October 2010
ENERGY CHECK Sainsbury's under the spotlight
BLACK WATER How to recycle foul waste
FUEL CELLS Harnessing hydrogen power
Refi t takes off Terminal gets M&E facelift
Performance www.cibsejournal.com Enter the CIBSEClosing Building date 8 October 2010 Awards 2011See pageNOW 14
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2 CIBSE Journal October 2010 www.cibsejournal.com
p02_CIBSEMagOct10.indd 2 20/9/10 14:23:01 Contents October 2010 44 38
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News 28 Legal column Learning Don’t rest on your laurels just 6 News because the new Parts L and F of the 63 Design masterclass part 3 Top stories include: UK to extend Building Regulations are due out this The mechanics of room air ‘green deal’ for homes and month – prepare for the next round. movement. businesses; institutions demand 67 CPD more coordination of building regs. Features The application of gas absorption 19 CIBSE News COVER STORY heat pumps in a variety of buildings. What does climate change mean for 30 Terminal refit takes off at you?; getting the BEST from training; London Heathrow Classified Soft Landings Down Under. How one of the world’s busiest 72 Products airports was transformed into a The latest products and services 22 Young contenders prepare high-quality, modern building. for battle currently available in the industry. 38 Tall order We take a look at the credentials of 76 Directory An innovative approach to water this year’s six hopefuls fighting for the Suppliers for building services and recycling in a new London dockside 15th CIBSE/ASHRAE Graduate of the related industries. Year award. development. 44 Greening the aisles People & Jobs The second in a series of CIBSE- Opinion sponsored studies takes a critical look 77 Looking ahead 24 Letters at a ‘green’ supermarket. The low carbon challenge, plus events and training across the sector. We need more POE data; outliving its 50 All for one illuminance usefulness; and, stop this One hotel ‘greens up’ its 79 Appointments street-light wastage. environmental credentials using clean Find your next job here and online at jobs.cibsejournal.com 26 Opinion heat and power technologies. Why industry is still operating in the 57 The power of hydrogen 82 People dark when it comes to the great A client throws convention to the Farah Naz explains how she breathes British refurb. wind and installs a hydrogen fuel cell. life to new buildings.
www.cibsejournal.com October 2010 CIBSE Journal 3
CIBSEoct10 pp03 contents.indd 3 23/9/10 17:55:33 4 CIBSE Journal October 2010 www.cibsejournal.com
p04_CIBSEMagOct10.indd 4 20/9/10 14:23:52 Editorial
www.cibsejournal.com
Editorial From the Editor: Bob Cervi Tel: 01223 273520 Email: [email protected] Reporter: Carina Bailey Tel: 01223 273521 Email: [email protected] editor Senior designer: David Houghton Technical editor: Tim Dwyer Advertisement sales Learning curves – and blind alleys Sales manager: Jim Folley Tel: 020 7324 2786 Email: [email protected] f you believe the rhetoric of the coalition sustainable buildings group, AECB (see News, Sales consultant: Mark Palmer Tel: 020 7324 2785 government – which of course is simply page 10). A separate study of heat pumps by the Email: [email protected] Sales executive: Darren Hale repeating the mantra of its Labour Energy Saving Trust raises concerns about the Tel: 0207 880 6206 Email: [email protected] predecessor – the green-technology industry performance, design and commissioning of this Recruitment sales: Stephen Fontana I has the potential to provide major sources of new technology (see page 8). Such tests and trials of Tel: 020 7324 2787 Email: [email protected] jobs and wealth in Britain. That claim, like much installations are, of course, crucial to identifying Advertising production: Jane Easterman of the technology that is presented as the best what works best and where. But, under pressure Tel: 020 7880 6248 Email: [email protected] thing since sliced bread, is so much hot air. There to become a cleantech nation, we are in danger
For CIBSE is no sign yet that ‘cleantech’, whether in the of proliferating certain ‘solutions’ before Publishing co-ordinator: Nicola Hurley automotive, energy or indeed building services establishing whether they are any such thing. Tel: 020 8772 3697 Email: [email protected] sectors, will grow so dramatically in just a matter The UK government’s planned Renewables
Editorial advisory panel of years. The simple reason for this is that such Heat Incentive and the push for feed-in tariffs are Laurence Aston, Director, Buro Happold technologies need a lot of investment to emerge, cases in point. Wholly laudable as they are, these David Clark, Partner, Max Fordham Consulting Engineers and when they do so, they take a considerable carrots need to be provided with some thorough Patrick Conaghan, Partner, Hoare Lea amount of time to and serious health warnings Consulting Engineers David Hughes, Building Services Consultant, establish themselves in about the technologies and MTT Consulting the marketplace as both Users and installation services that are Philip King, Director, Hilson Moran Chani Leahong, Senior Associate, effective and affordable currently available. Fulcrum Consulting installers Alan Tulla, President, The Society of Light green solutions. A less widespread but po- and Lighting In the building services should be at tentially powerful technology Professor John Swaffield, CIBSE Past President engineering sector this is the heart of our is electricity generated by hy- Ged Tyrrell, Managing Director, very apparent when it comes drogen fuel cells, which have Tyrrell Systems cleantech Ant Wilson, Director, AECOM to heating technologies. been adopted for a number Morwenna Wilson, Graduate Engineer, Arup Responding to the carrots future of commercial and public Terry Wyatt, Consultant to Hoare Lea Christopher Pountney, Graduate Engineer, and sticks of national and sector developments (see AECOM local government regulations and incentives, page 57). All credit to Transport for London CIBSE Journal is written and produced by Cambridge Publishers Ltd. Tel: 01223 477411. www.cpl.biz manufacturers in the sector rush headlong into and others for taking a lead in applying this 275 Newmarket Road, Cambridge CB5 8JE. Editorial copy deadline: First day of the month developing and promoting various types of boiler, technology; we now need to sit back and take a preceding the publication month heat pump and combined-heat-power service. cool look at the various performance outcomes, The opinions expressed in editorial material do not necessarily represent the views of the Chartered Institution of Building Services Engineers (CIBSE). Unless specifically Commercial and residential property owners when they become available, before rushing stated, goods or services mentioned in editorial or advertisements are not formally endorsed by CIBSE, which and users become the guinea pigs for these to judgement. does not guarantee or endorse or accept any liability for any goods and/or services featured in this publication. green ‘solutions’; eventually we discover that the As another recent study – this time on smart CIBSE, 222 Balham High Road, London SW12 9BS Tel: 020 8675 5211. www.cibse.org technology either doesn’t work as it’s supposed meters (see page 12) – underlines, a great deal ©CIBSE Services Ltd. ISSN 1759-846X to, and/or it has been badly commissioned, by of the success of cleantech is down to the level Subscription Enquiries If you are not a CIBSE member but would like to receive CIBSE Journal, subscribe now! Costs are £80 (UK) and which time, for the user it is too late to turn back of knowledge, understanding and commitment £100 (international). For subscription enquiries, and any change of address information, please contact: the clock. that users can bring to it operationally. And Nicola Hurley at [email protected] or telephone 020 8772 3697.Individual copies are also available at a cost To take one example: the stampede by local this is where the politicians have a duty to put of £7 per copy plus postage.
Cover photo courtesy of Morgan Sindall authorities towards specifying biomass boilers as education of users and installers at the heart of Professional Services part of the process of meeting local renewables our cleantech future. targets is certainly cause for concern. Some of the questions surrounding this technology Bob Cervi, Editor ABC audited circulation: 19,728 January to December 2009 have been succinctly stated in a study by the [email protected]
www.cibsejournal.com October 2010 CIBSE Journal 5
CIBSEoct10 pp05 editorial.indd 5 23/9/10 17:25:43 News
News in brief UK to extend ‘green deal’ Huhne aims to be greenest Energy Secretary Chris Huhne for homes to businesses told last month’s Liberal Democrat annual conference The coalition government amount of investment per building, homes in the UK could save, on that the coalition government’s n has confirmed that it intends she said. average, around £550 per year. ambition was to be ‘the greenest to extend its ‘Green Deal’ initiative Ministers are aiming to extend All measures paid for through government ever’. He said its for retrofitting Britain’s homes to the scheme to 2.8m businesses the scheme, for both domestic and ‘Green Deal’, aimed at creating nearly 3m businesses. operating out of non-domestic commercial properties, will have to up to 250,000 jobs, would boost The Green Deal was originally properties, according to John satisfy the government’s ‘golden the economy. earmarked as a scheme for Alker, director of policy and rule’, which states that savings must homeowners and landlords to communications at the UK Green outweigh the capital and installation Refurb research begins implement energy efficiency Building Council (UKGBC). costs. A two-year project by the measures to cut carbon emissions. ‘This is something we have However, due to the diversity of Energy Technologies Institute A spokeswoman for the campaigned for; the problem of the non-domestic building stock, and its partners to design a Department for Energy and Climate accessing a large amount of money energy saving technologies and supply chain aimed at enabling Change (DECC) said the extension upfront to do refurbishments is not improvements in the non-domestic refurbishments of existing homes of the Green Deal to businesses was a problem specific to householders.’ sector may be different and more on a mass scale has begun. It will likely to be ‘limited to technologies The scheme will enable the costs diverse than those in the domestic identify ways of industrialising with shorter payback periods to of energy efficient improvements, sector. the processes of design, align repayments with the average like those to heating and lighting, to Full details are expected to be supply and implementation, lease length and the repayment be paid for upfront, with these costs revealed around November under while stimulating demand period on key heating and lighting paid back over time by occupiers’ the Energy Security and Green from householders. www. technologies’. through savings on energy bills. Economy Bill, with the scheme energytechnologies.co.uk There were no plans to cap the The most energy inefficient going live in late 2012. Funding deadline nears The deadline for applications for the Technology Strategy Board’s Project to test £8m Building Performance Level 6 homes Evaluation competition One of the UK’s largest closes on 13 October 2010. zero carbon developments The competition will enable has been unveiled in companies to apply for funding to Slough, Berkshire. investigate and monitor building Greenwatt Way has been performance, and conduct post- built to Level 6 of the occupancy evaluations. Code for Sustainable www.ktn.innovateuk.org Homes and its energy use will be monitored for Thousands miss CRC hurdle the next two years. The Thousands of companies are development includes an feared to have missed the energy centre to test five Carbon Reduction Commitment different types of renewable Energy Efficiency Scheme (CRC) energy generation, and registration deadline at the end of it incorporates a low- last month. Research by On365, temperature district heat an energy specialist, found that network The project was less than a third of the 5,000 engineered by AECOM. estimated businesses affected had registered at the beginning of September, risking fines up to £45,000. www.on365.co.uk Renewable targets ‘must be maintained’ Homes plan gets go-ahead The Renewable Energy Association in renewable projects in the UK’. on biomass initiatives. More than 100 new homes that (REA) has backed calls by the The REA backed the CCC’s Chief executive Gaynor were under review will now be Committee on Climate Change position, but added that the Hartnell said: ‘We agree with built under schemes run by (CCC) to maintain government government should put a greater the committee’s headline the Homes and Communities targets for renewable energy. emphasis on making sure the recommendation of sticking with Agency. The HCA’s funding was Currently just 3% of energy used targets are met. the 15% target, but putting greater reduced in July as part of the in the UK comes from renewable The REA also said that the emphasis on ensuring that it is government’s spending cuts, sources, but the government has government should set out a actually delivered. but funding for 105 homes has stated its aim of increasing this detailed position on the future of the ‘We will be scrutinising the now been cleared under the figure to 15% by 2020. Renewable Heat Incentive, adding Committee’s recommendations Kickstart and Local Authority The CCC called on the that current uncertainty ‘is resulting closely over the coming week New Build schemes. www. government to ‘provide the right in projects not progressing’. and making a full response to homesandcommunities.co.uk incentives to encourage investment It also called for more emphasis government in due course.’
6 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp06-07 news.indd 6 24/9/10 12:10:30 VICTAULIC Institutions call for INSTALLATION-READY more coordination TECHNOLOGY Up to 10 times faster to install of regulations than other joining methods. CIBSE is calling for a n ‘streamlining’ of the building and energy performance regulations so that they can be dovetailed PUSH IT with forthcoming changes to European law. The proposal forms part of the institution’s response to the government’s informal consultation on how to improve the Building Regulations in England and Wales. It comes as the Royal Institute of British Architects (RIBA), in its Hywel Davies: streamline the rules response to the consultation, also argues for legislation in this area government.’ RIBA attacks the to be more coordinated and less Building Regulations as being ‘piecemeal’. ‘impenetrable and alienating CIBSE’s consultation paper for a lay person’ and in need of summarises the responses from simplification. more than 190 members of the It says that, if they were written in JOIN IT institution. plain English, homeowners would It says that the regulations should be more able to make educated be streamlined with the Energy choices when undertaking small Performance of Buildings Directive building works to their homes. (EPBD) to reduce the time and cost RIBA president Ruth Reed involved in implementing both the said: ‘We do not need more recast EPBD and the next cycle of regulation, but better regulation. revisions to Part L. The Building Regulations come The institution also highlights the from firm foundations, but in recent need to increase levels of practical times have become complicated compliance, particularly relating and disorganised through to the energy performance of uncoordinated and piecemeal buildings. amendment and addition.’ Hywel Davies, technical director RIBA also calls for more of CIBSE, said: ‘Given the links incentives within the Building TIGHTEN IT between the Building and Energy Regulations to improve the Performance Regulations and the performance of the existing closely aligned timescales for the building stock. next cycle of revisions to Building For full details and a copy of the Regulations and implementation CIBSE report, visit www.cibse.org of the recast, we believe this offers and click on the Knowledge Bank. an opportunity to save time and For RIBA: www.architecture.com money, both for the industry and See Legal column, page 28
Cable commits to engineering Business Secretary Vince Cable has Engineering consultancy Buro publicly committed his support to Happold welcomed the move, after research and engineering ahead of warning that its own investment in the government spending cuts this R&D would be under threat if tax month. breaks were slashed earlier this year. NORTH AMERICA · UNITED KINGDOM · EUROPE During his speech, he Colin McKinnon, innovation MIDDLE EAST · LATIN AMERICA · ASIA PACIFIC announced that business-led leader at the company, said: ‘While funding schemes, such as the it is clear that funding cuts more Technology Strategy Board, should generally will be unavoidable in the be extended to help ensure the current financial climate, it makes UK continues to compete at sense to focus expenditure on areas international level in areas like where the UK research base leads research and development (R&D). the world.’
www.cibsejournal.com October 2010 CIBSE Journal 7 7
CIBSEoct10 pp06-07 news.indd 7 24/9/10 12:10:48 News
Heat pump performance CBI calls for better heat varies widely, says study policy .... The first large-scale field trial The Combined Heat and Power n of domestic heat pumps in Association (CHPA) has thrown the UK has found that performance its weight behind a CBI report that varies widely from site to site. calls for an integrated and efficient The year-long field trial by the policy on low-carbon heat. Energy Saving Trust monitored The report argues that cutting technical performance and emissions from heat is crucial to customer behaviour at 83 sites meeting legally-binding carbon across the UK. reduction targets by 2050 and It found that only 13% of mitigating rising energy costs, pumps produced a coefficient of but that existing heat policy is performance (COP) of at least 3.0 – fragmented and complex. the optimal performance. Among its demands are: an It also found that, when installed early review of the Renewable correctly, a heat pump can cut costs Heat Initiative; a government- and carbon, but its performance can backed advice service on better be affected by occupant behaviour. energy management for buildings; The report, Getting warmer: a field and extra resources for heat- trial of heat pumps, says: ‘The worst- mapping initiatives. performing sites we monitored Graham Meeks, director of illustrate the need for customers CHPA, said: ‘Tackling emissions to be vigilant when purchasing a Heat pump performance was also The trial has now been extended from heating will be fundamental heat pump, to be sure that they are found to be sensitive to installation to June 2011. to efficient and cost-effective buying the best system for their and commissioning practices. www.energysavingtrust.org.uk decarbonisation of the UK property and their lifestyle. economy. It is encouraging not ‘Manufacturers and installers Key conclusions only to see the CBI clearly making should also take care to ensure this point, but also highlighting that heat pumps are specified and n Better training is still required in the industry when designing and the need for policy on heat to be installed properly. commissioning the technology. better integrated into long-term It adds: ‘Installers need to be n Systems should be kept simple. energy policy.’ www.cbi.org.uk aware that they play an important n More investigation is needed to determine what factors affect the role in educating customers on the efficiency of hot water production. ... and to keep best way to control their system.’ n A comprehensive review of heating controls is needed after a failure to The trial found that ground- properly explain them to customers and installers was found. investing in source heat pumps had a slightly n A further study on a site-by-site basis needs to be undertaken to record higher efficiency rate than air-source what has been done wrong and well, and what can be done better. infrastructure versions. The coalition government should prioritise spending on infrastructure to safeguard the UK’s long-term interests, says the CBI. Its deputy director general, John Cridland, told industry bosses that failing to do so would risk ‘repeating past mistakes’, and that spending adequately in this area would help boost the economic recovery, create jobs and attract inward investment to the UK. Cridland said: ‘Reducing spend on transport links might seem a politically saleable option, but it’s just not in the country’s long-term interests. The UK’s infrastructure is poor by international standards Cambridge laboratory project moves closer and is a serious barrier to greater The topping out ceremony has been held for the new Medical Research Council (MRC) Laboratory of Molecular efficiency and to economic Biology (LMB) building in Cambridge. The £200m building, which is due to open in 2012, has been dubbed the flagship growth. Put simply, balancing the building of the extension to the Cambridge Biomedical Campus, with the design reminiscent of paired chromosomes. government’s books is going to The sculptural plant towers on each side of the building are designed to keep weight and vibration away from the need improved infrastructure, and laboratory areas. It was designed by RMJM Architects. doing it on the cheap would be a false economy.’
8 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp08 news.indd 8 23/9/10 16:42:15 13 A
250V~a.c.
www.cibsejournal.com October 2010 CIBSE Journal 9
p09_CIBSEMagOct10.indd 9 20/9/10 14:24:50 News
Biomass boilers not low Arup looks to cut carbon, argues study 600 jobs Biomass boilers are not low International engineering firm Arup n carbon and need proper has informed staff that it is looking
analysis of their impact, a new Shutterstock to make up to 600 redundancies, study says. and has launched a three-month The discussion paper, published consultation with employees. by the Association for Environment The company, which has been Conscious Building (AECB), involved in such high-profile argues that the use of biomass as projects as the Sydney Opera House the default solution for a low or and, more recently, the Ropemaker zero carbon fuel in new buildings Place development in the City of is ‘fundamentally misguided and London, has blamed the move on leading to increased UK carbon recent government cuts. emissions’. The company said that ongoing The paper adds: ‘This mistaken projects would not be affected, but assumption that biomass is low confirmed that the consultation had carbon, combined with the use of already started. a carbon rather than energy metric An Arup spokesman said: ‘While for buildings, is undermining we will endeavour to redeploy efforts to achieve large-scale carbon Biomass boilers are one of the least sensible uses for wood, insists the AECB staff, we anticipate that these staff reductions in the UK.’ reductions may affect up to 600 The paper says that burning gas increased by 25% in the past two concerns surrounding the sourcing, employees. instead of biomass fuel will result in years. But, biomass boilers are ‘one processing and transporting ‘Like many other businesses, fewer carbon emissions. of the least sensible uses for wood’, of biomass fuel, and concerns we have been affected by the Defining biomass as low the AECB said. about increases in NOx (nitrogen weak market, as well as expected carbon, and then setting carbon- The group says it is concerned oxide) and particulate emissions and current cuts in government based energy standards, leads that the planned introduction of as a result of biomass boilers, the expenditure. Our people are our to a relaxation of building energy the Renewable Heat Incentive in AECB said. greatest asset and it is with regret efficiency and ultimately higher Britain will only exacerbate the The AECB is calling for proper that the very difficult decision carbon emissions. problem, with biomass expected to analysis of biomass in use before has been taken to implement a A recent survey by the UK be included in any incentive scheme the country is ‘rushed into policies programme of redundancies, with a Forestry Commission found that that is launched. based on creative (carbon) 90-day consultation [that began] the use of biomass boilers had There are also wider industry accounting’. www.aecb.net on 6 September.’
Industry ‘hit by shortage of F-gas engineers’ Industry faces a shortage of engineers trained to new F-gas standards, with up to 35,000 still to update their qualifications. Technical skills trainer, Develop Training, fears the lack of action could leave thousands of engineers working illegally come July 2011. The legislation is part of the EU F-gas Regulations, the first part of which was introduced in April 2007. Since July 2009 any company which employs engineers working under F-gas regulations must have a Company Certificate. From July 2011 this will be extended to individuals. Three rivers form heart of urban regeneration in China Anyone carrying out service, The Sanshui district at the heart of Foshan in China is to principal routes linking and organising movement maintenance, recovery or leak undergo a major expansion, depicted above. The urban between the sites: a leisure river, a formal river, and an checking on refrigeration equipment regeneration project will include a new cultural centre, ecology river. covered by the regulations must library city archive and civic offices. Multi-disciplinary consultancy BDP has been have completed one of the updated ‘Sanshui’ means three rivers – marking the historical appointed as masterplanner and designer for all the national qualifications. beginnings of the district – represented by three main buildings within the development. www.developtraining.co.uk
10 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp10 news.indd 10 23/9/10 17:29:21 44% Market share leadership in Britain (BSRIA latest research)
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www.cibsejournal.com October 2010 CIBSE Journal 11
p11_CIBSEMagOct10.indd 11 20/9/10 14:26:36 News
Climate action ‘not tangible People need to be smart enough still’ The UK government is being warned that climate change too, says study of meters initiatives are still not translating into ‘tangible action on the ground’. The UK government’s part of an educational process. And The warning has been issued by n ambition to use smart meters people do need to have feedback on the Adaptation Sub-Committee, an to reduce energy consumption in energy consumption.’ advisory body, in its first report to millions of homes will only work Darby has also discovered ministers on the UK’s progress in if it is part of a wider educational there is no universally agreed preparing and adapting to climate programme, a study suggests. definition of a smart meter. What change. Sarah Darby, a senior researcher makes a meter smart is actually its The report says one of the key at Oxford University, has spent communication’s capabilities, not barriers to taking policy action are the last few years studying smart any display facility it may or may the Building Regulations, which still meters, and found that simply not have. do not explicitly consider the risks of installing the technology is not The UK government intends to global warming. enough to change people’s habits install millions of smart meters in Another key barrier is inadequate and routines when it comes to households in Britain by 2020 in a climate-risk information preventing consuming energy. bid to save energy, with customers organisations from taking Darby has studied the use of Sarah Darby: researching smart meters offered the opportunity to read their appropriate action on issues, such smart meters in a number of consumption readings via mobile, as surface water and flooding countries, including California, Italy, ‘But if you combine that with internet or a home display. risks; and market and policy and Sweden, and found they are a good display that people are The study is published in Building barriers preventing businesses not usually used to help customers interested in and pay attention to, I Research and information, www. and individuals from seeking consume less energy, but as tools would expect some impact. tandf.co.uk/journals/rbri sustainable drainage and water to provide utility suppliers with ‘I think there’s a potential to use efficiency. accurate bills. smart meters for demand reduction n CIBSE is holding a one-day The report points to five ‘On its own, a smart meter is just – if there’s an intention to do it for conference on Smart Metering priority areas for adapting the UK a meter. We wouldn’t expect much demand reduction, and not just for on 18 November. Visit www. to a warmer climate, including from it in terms of reducing energy managing peak [electricity] load. cibsetraining.co.uk for details designing and renovating buildings consumption,’ Darby said. ‘[People] have got to have it as and to register. to cope with rising temperatures and floods, and minimising water use. www.theccc.org.uk A&E scare Trade bodies warn clears with against cutting renewables funding puff of dirt Twenty-two separate organisations The accident and emergency have written an open letter to the department at one of London’s energy secretary Chris Huhne, most famous hospitals had to urging him not to cut subsidies for be evacuated after a new air renewable energy. conditioning unit caused a scare. The letter, written to the Guardian The drama took place in August, newspaper, came after comments at Whittington Hospital in the north by the energy minister Charles of the city, with staff concerned that Hendry, who confirmed that the a fire had broken out as a huge dust government was reviewing the cloud appeared. Firefighters were £27bn of subsidies planned for the called but it soon transpired that Renewable Heat Incentive (RHI), there was no blaze. which could be reduced. ‘We need A spokesperson for the hospital to make sure we’re using the money told the Journal: ‘The new air in the most sensible way,’ he said. conditioning system was much The letter says: ‘Both renewable more powerful than the previous heat and solar PV are decentralised one; when it was turned on, it blew technologies, which put the power Mixed-use development for east London 12 years’ worth of dust into A&E. to generate directly in people’s A new £4.5m mixed-use development aims to help regenerate Bow in east ‘We had to close the A&E unit to hands. London. The six-storey building will include apartments, commercial space ambulances for three hours and set ‘Costs come down when the and a communal roof garden. Building services provider JS Wright will be up a makeshift unit in the fracture industry can plan and invest with responsible for heating the apartments, installing an energy-saving, whole clinic. Some more serious cases confidence, and economies of house heat recovery ventilation system, more efficient cold water services, a were even sent to the Royal Free scale are achieved – that is one of gas distribution system, and above-ground soil and waste services. Wright Hospital in Hampstead. Luckily, the simple aims of these policy will start work on site in November. there were only about 20 patients at mechanisms.’ the time.’
12 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp12 news.indd 12 24/9/10 15:40:22 Insulated Panels
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www.cibsejournal.com October 2010 CIBSE Journal 13
p13_CIBSEMagOct10.indd 13 20/9/10 14:38:18 News
News in brief Public sector advice set to Go-ahead for eco-build South Tyneside Council is drive energy monitoring taking advantage of £800,000 in government funding to build New draft guidance to although the guidance does not 20 eco-friendly homes in South n help UK public buildings specify whether monitoring should Shields. The project is one consume less energy could Shutterstock be done by the contractor or the of several in the region being potentially drive serious monitoring client. supported by the Homes and and auditing in the built Key principles highlighted in Communities Agency. environment. the document include: where www.homesandcommunities. The Office of Government energy consumption is higher than co.uk Commerce (OGC) issued the expected because of poor FM, guidance to help public bodies then an element of this additional Gatwick revamp takes off gain more from their facilities cost should be passed on to the Global Infrastructure Partners, management (FM) contracts in a contractor; and performance the owner of London’s Gatwick bid to cut energy, carbon and costs standards should be set for FM Airport, has confirmed it is in their buildings. The guidance contractors to meet that are carrying out a £1bn revamp focuses on how to save energy objective, transparent and easy to over the next two years, and has from heating, lighting and cooling measure. named the consultants it will systems and is the first of its kind to Guidance pledged on public buildings The OGC also recommends use. The architectural suppliers be issued by the OGC. actions such as carrying out energy will be: Atkins; HOK; Jacobs; It is now consulting industry for and that they will be held to account audits and an audit of plant and Morgan Sindall Professional its views, with a view to publishing for it.’ equipment. Services; and Pascall + Watson. updated guidance late this year or He added that this could be a The OGC introduced the draft Civil engineering suppliers will early next. good move for building services guidance to help government be: Arup; Halcrow; Jacobs; Scott CIBSE’s technical director engineers – if it isn’t left entirely to departments reduce their carbon Wilson; and TPS. Hywel Davies believes this could facilities managers, who may not emissions by 10% in a year – a www.gatwickairport.com potentially drive more serious always fully understand a building’s commitment made by Prime monitoring and auditing in the built more complex services. Minister David Cameron – and to UK’s first geothermal site environment, although he stressed: The guidance intends to help help cut costs. Cornwall could be the site of ‘The whole thing needs someone make FM contracts enforceable The OGC said its guidance could the UK’s first geothermal power who wakes up in the morning without driving up costs also benefit the commercial and plant after planning permission knowing that this is part of their job, prohibitively for the contractor, private sector. www.ogc.gov.uk was granted for an exploratory drilling project near Redruth. Next spring, work will start on a Green buildings 4.5km-deep borehole, while there Entries sought for new awards are further plans for a second ‘can have wider The categories are: borehole near the Eden Project. public benefits’ The British government hopes • Training for Building geothermal power will provide up Green buildings worldwide offer the Performance Award to five gigawatts of electricity by most cost-effective way of tackling • Building Services Consultancy 2030. www.decc.gov.uk climate change, according to a The deadline is fast approaching of the Year Award new report from the World Green for entries in the CIBSE Building Recalled pumps replaced Building Council. Performance Awards 2011. • Energy-using Product Award Mitsubishi Electric UK has said Tackling Global Climate Change, Companies have until 8 • Passive (energy related) Product it will be replacing all 6,000 of its Meeting Local Priorities also argues October to enter the awards, Award Ecodan air-source heat pumps that sustainable properties can which will reward excellence in the that were recalled after a power also play a valuable role in meeting development and management of • Contractor of the Year Award receiver component in one W85 local needs, whether for affordable low carbon buildings. • Commissioning Project of the (medium-sized) unit failed under housing, job creation or in Categories incorporate each stage Year Award pressure, damaging the outdoor response to natural disasters. in the development of a building, unit. Full details are available at Paul King, chief executive of the from the initial training and skills • Low Carbon Consultant of the www.mitsubishielectric.co.uk/ UK Green Building Council said: of the people involved, through to Year Award response-team ‘This report shows that greening the products, commissioning and • New Build Project Award our buildings not only tackles building operators. Everard wins contract climate change, but can also play a Visit www.cibseawards.org for • Refurbishment Project Award Multi-disciplinary practice Pick crucial role in meeting local socio- the full entry criteria, and for entry • Building Operation Award Everard has won a contract to economic needs, which in the UK forms. • Client of the Year Award – Large design and manage a £500,000 includes job creation and lower Winners will be announced refurbishment of the Accident energy bills.’ on 9 February 2011 at London’s • Client of the Year Award – and Emergency department at The study shows that many Grosvenor House Hotel, with Medium/Small Moorfields Eye Hospital NHS countries across the globe are not an evening celebrating the • Integrated Project Team Award Foundation Trust in London. yet able to comprehensively analyse advancements and achievements of Completion is due next summer. and report the impact of their built the industry. • Carbon Champion of the Year environment. www.ukgbc.org
14 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp14-15 news.indd 14 24/9/10 15:40:56 News
Fire chiefs call for urgent review of risks from timber framed buildings An urgent review of the suggests that, in buildings under ■ Building Regulations is construction, fi res in timber-framed required following a series of fi res in buildings have a much greater timber-framed buildings in England, chance of spreading than in those according to the Chief Fire Offi cers with non-timber frames. Association (CFOA). Nicole Hoffmann, technical Two recent blazes in Peckham director at fi re engineering and risk and Camberwell, both in south management specialists Kingfell, London, and one in Basingstoke, said that while there were clearly Hampshire, have all resulted in fi re dangers surrounding timber- damage to adjacent buildings. framed buildings under
The Basingstoke incident, which Entertainment Moore/Empics Pawson/Jeff Moore/Cavan Jeff construction, many of the risks occurred last month, involved a were mitigated once the buildings timber-framed four-storey complex in question were completed. under construction. ‘There is a defi nite move towards The use of timber frame as a the use of more timber in buildings, method of construction, together so we would urge a review of with other innovative construction the facts at the earliest possible products and techniques, has opportunity,’ Hoffman said. increased markedly in recent years, She added: ‘If measures need to the CFOA says. A fi re in Peckham, south London, raised concerns over damage caused by spreading be put in place to make timber- It is increasingly concerned that framed buildings safer, when a fi re involving a timber framed Local Government (CLG), which buildings, and into fi re spread they are under construction or building under construction may oversees the fi re service, to speed within and beyond such buildings. completed, then those measures result in loss of life. It wants the up its plans to commission research The Fire Statistics Monitor, need to be implemented as soon Department for Communities and into fi refi ghting in timber-framed recently published by CLG, as possible.’
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www.cibsejournal.com October 2010 CIBSE Journal 15
CIBSEoct10 pp14-15 news.indd 15 23/9/10 17:26:20 News
News in brief Rural areas ‘need to be New Associated advisers A new category of adviser empowered’ to deliver has been launched by the Engineering Council. Associates will be recognised as organisation low carbon solutions supporters who provide valuable assistance and support to the The British countryside council’s work through their n has enormous untapped knowledge. www.engc.org.uk potential to contribute low carbon Shutterstock energy solutions, says a new report. ‘Simplify school building’ Community-owned power The government urgently needs generation, recycling and heating to simplify and improve the initiatives could have a major process of delivering better impact on helping to cut carbon schools before any more time emissions, says the study from the and money are wasted, said Rural Coalition, which represents a the Royal Institute of British number of planning groups. Architects. The view was voiced While rural dwellers currently as part of a government review have more carbon-intensive of capital investment in schools. lifestyles than their urban-dwelling www.architecture.com counterparts, a strong community spirit provides a ‘unique rural Professionalising FM advantage in tacking climate The Royal Institution of change’, the report claimed. Chartered Surveyors is launching The report contains a list a campaign to help FM of recommendations for the professionals demonstrate their government to help empower rural critical role in improving strategic communities, manage and plan for business performance. The business and residential growth in Professionalising FM campaign the countryside, and meet head-on Rural communities have untapped potential for helping to cut carbon, says report will be launched in October at the the twin challenges of a depressed FM and Estates Management economy and climate change. is essential to the creation government’s plans to create Show. www.rics.org Matthew Taylor, chairman of the of attractive, vibrant working local housing trusts, which would organisation, says in the report, communities, the report have the power to vote on rural Whole-life costs critical The Rural Challenge, that planners suggests, while the retention of a housing schemes. Heating and Ventilating need to ‘meet the challenges of community’s ‘inherited character’ is The proposal would allow Contractors Association (HVCA) the environment, climate change key to the planning process. building to go ahead without president, Martin Burton, has and community cohesion; address An effective masterplan should traditional planning permission, appealed to clients and building concerns about badly-planned include housing, community provided 90% of residents were owners to take account of whole- developments gobbling up green facilities, transport links, and green in favour. But, the report says, life costs, rather than just the fields; and tackle the diverse needs spaces – all developed to dovetail such a move could create ‘long- initial capital outlay, and called and challenges of tailoring services with existing developments in lasting conflict’ among residents on government to showcase best to small rural communities’. nearby towns and villages. in rural communities. practice. www.hcva.org.uk Effective masterplanning The report also criticises the www.ruralcommunities.gov.uk
A bright idea A change in EU legislation has meant that, from last month, Solid wall insulation requires big boost light-bulb packaging has to provide clearer information about Britain would need to see a tenfold Change (DECC) who attended the Insulation Association and the brightness (measured in lumens) increase in solid-wall insulations meeting told the NIA that around Solid Wall Insulation Guarantee of bulbs, as well as their wattage. to have a chance of meeting 2m of these properties may need Agency will be working with their government targets, a trade to be insulated by 2020 to meet the members, government and other New rule set back association has warned. government’s carbon emissions key stakeholders to significantly Local Authority Building The National Insulation reduction target. increase the industry capacity while Control has criticised the new Association (NIA), which Neil Marshall, NIA chief ensuring that quality and standards ‘commencement of work’ rule, represents UK manufacturers and executive, said that the industry was are maintained.’ fearing it will lead to new homes installers, raised its concern at a ready to step up to the challenge of Greg Barker, Minister for Energy being built to outdated energy meeting with government figures. insulating 2m properties with solid and Climate Change, said: ‘Our efficiency standards. It says the There are currently around 7m walls by 2020. But a major increase plans will give a huge boost to change could see new homes properties in the UK with solid walls in current activity would be needed, the insulation industry during the built to 2006 Building Regulation which require either external or he suggested. economic recovery as we pave the standards in 2013 or 2014. internal wall insulation. Marshall said: ‘The industry way for the start of the Green Deal.’ www.labc.uk.com A senior official from the is ready, willing and able to take www.nationalinsulation Department of Energy and Climate up the challenge; the National association.co.uk
16 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp16-17 news.indd 16 23/9/10 17:26:47 Journal welcomes new technical editor Tim Dwyer, formerly a professor in and, importantly, growth.’ Dwyer the engineering faculty at London sits on CIBSE Council, and is a South Bank University (LSBU), has fellow of CIBSE, ASHRAE and joined CIBSE Journal as a part-time IMechE. He chairs the CIBSE ????????????technical editor. He will help the Communications Committee, the magazine to continue to develop CIBSE/ASHRAE Group, and is an its technical content, which aims to ASHRAE director. refl ect the growing complexity and As a member of CIBSE’s diversity of technological change accreditation panel, Dwyer has and academic research in the visited many university building building services engineering sector. services-related courses. He says ‘As the fi rst technical editor of the he appreciates the high-quality magazine, I am keen to see that it education provision that he has continues to improve its technical encountered, but is well aware credibility for both members and of the increasingly challenging non-members of CIBSE,’ Dwyer environment that students face. commented. CIBSE Journal editor Bob Cervi Dwyer, who is also a member Journal’s inception in February lecturer and became the head of its added: ‘I am delighted that Tim of the Journal’s Editorial Advisory 2009. In this role he continues to building services group, helping to Dwyer is able to take on this Panel, will provide a range of have regular contact with leading forge strong links with industry. important new post. expertise in the writing, editing, manufacturers that are able to have ‘This is where our industry ‘I am sure he will have a big part devising and developing of an input into the content of some can make a real difference,’ says to play in the magazine’s future technical and academic content. CPD modules. Dwyer. ‘Where there is a real and development and its continuing He will also continue to oversee the Having started his career as not tokenistic industrial panel that efforts to offer the best and most highly popular CPD section of the a hospital design engineer, he is actively involved in an academic authoritative coverage of the magazine, which he has devised later joined London South Bank department, there is much greater building services engineering and and helped to develop since the Polytechnic (now LSBU) as a opportunity for continued success related sectors.’
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www.cibsejournal.com October 2010 CIBSE Journal 17
CIBSEoct10 pp16-17 news.indd 17 23/9/10 17:27:03 The New KX6 VRF Air Conditioning System Mitsubishi Heavy Industries introduce KX6, the latest development in their range of VRF Air Conditioning Systems. KX6 delivers the highest levels of comfort & efficiency through advanced engineering.
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18 CIBSE Journal October 2010 www.cibsejournal.com
p18_CIBSEMagOct10.indd 18 20/9/10 14:39:24 CIBSE News news Tel: 020 8675 5211 Fax: 020 8675 5449 Email: [email protected] President: Rob Manning BSc (Hons) ENg FCIBSE Chief executive and secretary: Stephen Matthews
What does climate CPD Directory update change mean for you? To be added to the directory of CPD course providers, contact This year’s CIBSE Annual Rosemary Perks on 020 8772 n Lecture will be presented 3639 or email [email protected] by Professor Mike Hulme on the We also accept applications theme ‘So what does climate for online courses and we change mean for you?’. will welcome more e-learning Hulme, professor of climate applications. A concessionary change at the School of rate is available for entries of the Environmental Sciences at the following categories: University of East Anglia, explains: • Academic institutions; ‘Climate change is not “a problem” • Not-for-profit organisations waiting for “a solution”. It is an offering free or non-profit environmental, political and training courses; cultural phenomenon that is • Sole traders who are members reshaping the way we think about of CIBSE and offering free ourselves, about our societies and or non-profit training courses; about humanity’s place on Earth.’ and Based on some of the ideas • Sole traders who are members contained in his recent book, of CIBSE and the training Why we disagree about climate business amounts to less than change, his lecture will dissect 5% of their annual turnover. the concept of climate change For more information on – where it came from, what it training and development, visit means to different people in the IPD CPD section of the different places, and why we CIBSE website at www.cibse.org disagree about it. He will use the Professor Mike Hulme will speak at this year’s Annual Lecture different standpoints of science, economics, faith, psychology, idea of global warming using November. It will start at 6.30pm Award communication, sociology, politics historical, cultural and scientific – with refreshments available from and development to understand analyses, seeking to illuminate the 6pm – and will be followed by contenders why we disagree about global numerous ways in which climate a reception. warming. change is deployed in public and There is no charge to attend, sought Professor Hulme was a director political discourse. but booking is essential. To book The Royal Academy of of the Tyndall Centre for Climate The lecture will be held at the your place visit www.cibse.org/ Engineering, in partnership Change Research from 2000 Wellcome Collection in Euston annuallecture or email Veron with the ERA Foundation, is to 2007. His work explores the Road, London, on Tuesday 23 Williams at [email protected] encouraging young entrepreneurial engineering researchers working in UK universities to enter their Entrepreneurs Award 2011. Microgeneration consultation The award is intended to encourage and reward academic Further to the August update, www.cibse.org/consultations October with a workshop to be held staff and researchers who are at the government has progressed We would welcome your at CIBSE. Email to register your an early stage in their career, with the consultation process for the comments, particularly interest in attending. the winner receiving a £10,000 new microgeneration strategy for any evidence of how the You will also find details of personal prize and a further England. It plans to issue a draft microgeneration certification other current consultations that £30,000 to be invested in the strategy document for review in system is working and on how CIBSE is involved in, and details development of their proposal. October 2010, which is currently better impartial technical advice of how you can get involved. This The award is open to those being formulated through a can be offered to consumers can be a good way of networking working in the field of electro- number of working groups. on microgeneration. Send your and can be counted as a part of technology. All submissions must CIBSE has attended a working comments via the website, or by your Continuing Professional be endorsed by a senior member group on quality and one on email to [email protected] Development (CPD). We also of the applicant’s university. To find advice, and the minutes from these We will be consulting on the post details of CIBSE responses to out more visit www.raeng.org.uk/ meetings are now available at draft strategy document in late consultations on the website. era The deadline is 11 October.
www.cibsejournal.com October 2010 CIBSE Journal 19
CIBSEoct10 pp19-20 CIBSE News.indd 19 23/9/10 16:19:26 CIBSE News
SLL book sale Getting the BEST from training A special book promotion has been launched by the Society of CIBSE is working with BEST Light and Lighting. n (Building Engineering
Order the following Services Training), the leading UK Shutterstock publications package at the training provider for the building discounted rate of £180 (normal services engineering sector, to member rate £319). Offer launch a new development route finishes 31 October 2010, while with professional recognition stocks last. Offer not currently for apprentices. available online. Price excludes The scheme, supported by postage and packaging. CIBSE, the Chartered Institute of Email [email protected], Plumbing and Heating Engineering quoting ‘LGSET’. (CIPHE) and the Institution of Engineering and Technology (IET), • The SLL Lighting Handbook will allow Level Three apprentices to The new development route will give apprentices a clearer career path • SLL Code for lighting receive professional accreditation (CD-ROM) as engineering technicians after chief executive of BEST, said: ‘This professional membership of • SLL Lighting Guide 02: completing qualifying criteria, laid initiative is about preparing for the CIBSE and Engineering Council Hospitals and Health Care down by the Engineering Council. future and ensuring the growing registration. CIBSE is delighted Buildings Apprentices will then be able professionalism of our industry.’ to be a part of this programme • SLL Lighting Guide 04: Sports to continue their professional Laurence Aston, CIBSE and will be very active in its • SLL Lighting Guide 06: The development within their trade, education, training and implementation.’ Outdoor Environment and ultimately receive a degree or membership chairman, and To support the launch, BEST will • SLL Lighting Guide 07: Office masters qualification. director of Buro Happold, added: organise and pay for the first year’s Lighting This scheme provides a more ‘In these times of uncertainty it’s membership subscription of the • SLL Lighting Guide 10: practical and clearer framework a fantastic effort by BEST and its appropriate professional institution Daylighting and Window for linking apprenticeships with partners to generate so many for all Level Three apprentices Design a career path and progression to opportunities for the development starting in 2010/11. • SLL Lighting Guide 11: Surface higher education. Mark Brenner, of craft apprentices to achieve www.bestlicensetopractice.com Reflectance and Colour • SLL Lighting Guide 12: Emergency Lighting Design Guide Soft Landings Down Under
The CIBSE Australia and New behind Soft Landings, such from the afternoon through to the New edition Zealand region is presenting a as identifying credibility gaps evening. Dates and cities for the keynote speaker seminar series between design intention and seminar series are as follows: of CIBSE in November. operational outcomes, the link 1 November – Perth Commissioning Soft Landings – the next big thing between energy use and occupant 3 November – Adelaide in delivering better buildings will satisfaction, and the components 5 November – Canberra Code W be presented by Roderic Bunn, of building performance. 8 November – Brisbane CIBSE’s updated guide will help building analyst for BSRIA. The seminar will also include 10 November – Christchurch you meet all the needs of a designer He will explain what BSRIA’s Soft a step-by-step tutorial on the five 12 November – Wellington when commissioning water Landings framework is all about, Soft Landings’ stages, from project 15 November – Auckland distribution systems. looking at how this tool will ensure inception to the extended aftercare 17 November – Sydney Commissioning Code W: Water both clients and occupiers get the period and post occupancy 23 November – Melbourne distribution systems provides: best out of their new or altered evaluation of projects. To register and for more • Good practice advice; buildings. He will look at the drivers Most of the seminars will run information visit www.cibse.org.au • definitions of commissioning procedures; and • A basis for the preparation of commissioning specifications. New CIBSE Guide D The code is intended to be used in conjunction with BSRIA Guide Guide D is the key reference latest codes and standards. In BG2/2010: Commissioning Water for anyone involved in the particular, it contains an extensive Systems. varied world of transportation revision to the guidance on You can buy both guides systems in buildings. It offers traffic planning, energy efficiency together at the special introductory a wealth of information and and conservation, and effective rate of £40 for members and £80 recommendations on the key commissioning, maintenance and for non members. issues affecting the design, testing of lifts and escalators. The offer is valid until 31 Oct installation, commissioning, Guide D is priced at £35 for 2010. Normal member price: £50 maintenance and renewal of members and £70 for non- for both titles, or £26 per individual vertical transportation systems. members. For more information or copy. Non-member price: £100 for The guide has been updated to order, call 020 8772 3618 or visit both titles, or £52 each. Order code: and brought into line with the www.cibse.org/bookshop CCW/BG2 OFFER
20 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp19-20 CIBSE News.indd 20 24/9/10 15:43:02 N_pMX`ccXek6 9\ZXlj\fli_\Xk`e^Xe[i\e\nXYc\jpjk\djdXb\Zfdd\iZ`Xcj\ej\%
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www.cibsejournal.com October 2010 CIBSE Journal 21
p21_CIBSEMagOct10.indd 21 20/9/10 14:40:25 Graduate award Profiles Young contenders prepare for battle
Six young engineers are battling it out to become the 15th A night to CIBSE/ASHRAE Graduate of the Year, sponsored by BAXI remember Commercial. Ewen Rose examines their credentials This year graduates will be competing for a first-prize trip to Las Vegas to attend the ASHRAE Winter Meeting. To win they must impress a panel of judges, chaired by CIBSE/ASHRAE group chairman Professor Tim Dwyer, who will decide which of the finalists show the best combination of communication skills, knowledge and enthusiasm while Last year’s finalists line up presenting to a packed for the 2010 CIBSE/ASHRAE auditorium. Graduate Award ceremony Two runners-up will also be chosen to Vasileia Chatzinasiou University College projects he has been responsible for include the receive cash bursaries London and energyexcell detailed design of the heating system in a highly from the Rumford Vasileia Chatzinasiou (known as Leia) serviced university laboratory. This included a district Club. graduated from the MSc Environmental heating system, air source heat pumps, underfloor During the event, Design and Engineering course last year, heating and large amounts of heat recovery from the the Institution achieving an overall distinction, and atria space. Cohen introduced an innovative product of Mechanical became class president at the start of the that is used to reduce the commissioning time of the Engineers (IMechE) academic year, a role which she had great success in. heating system, thus saving money for the client. Construction and Energyexcel employed her within a week of His Renewables Feasibility Report for two mental Building Services graduation, and she was sent to Poland on her first health hospitals was also very well received and is now Division annual award job the following day. She received two pay rises in used as a standard within the company. will be presented, a year and has since worked on several projects, all followed by the annual involved with improving the energy efficiency of Clodagh Farrell Ulster University and Semple ASHRAE Presidential building services. and McKillop Lecture. Chatzinasiou is now a chartered mechanical engineer Clodagh Farrell joined the second year The CIBSE Young in Greece, but has been living in the UK and working of the energy and building services Engineers’ Network in the UK building services sector since graduation. university course after completing an (YEN) will also be Electrical Engineering HND. She was hosting an evening Ben Cohen University of Bath and Arup studentof the year on the HND course, reception, which will Ben Cohen graduated with a first class and top student during each of her three years on the see several previous Honorary Master’s degree in BEng (Hons) course at Ulster. She graduated with a winners return to Mechanical Engineering in June 2009 first class honours. celebrate the award’s and is now a mechanical engineer in She undertook her placement with engineering firm, 15th anniversary. Arup’s Manchester office. Other Semple & McKillop in Ireland, where she was given
22 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp22-23 Grad.indd 22 23/9/10 16:20:32 Graduate award Profiles
responsibility for her own design jobs onsite, and was stakeholders to understand the policy objectives and offered full-time employment after graduation. embed their aspirations in the rating system. Estidama She is a firm believer in bringing the different parts was released in April 2010 and its requirements of the engineering community together to deliver a are compulsory for all new projects within the Abu more balanced solution. She is also committed to Dhabi Emirate. further research and development within the field, Slessor has worked on projects both in the UK and in particular reducing the amount of energy used by abroad, including modelling the largest district heating services and creating alternative methods. network planned in the UK since the early 1980s to assess its economic and environmental viability. Michael Gardner Coventry University and He is a qualified BREEAM Assessor and LEED Pick Everard Accredited Professional. He is a graduate member Michael Gardner was awarded a first of CIBSE and associate member of the IMechE. Last class honours degree in Building year Slessor was also the energy officer on the IMechE Services Engineering. His final year Greater London Region Young Members Panel. dissertation was entitled: ‘Life Cycle To win, they Considerations in Boiler Room James Wood Brunel and 8build must impress a Design’, studying how boiler room design and James Wood was awarded a first class panel of judges sustainability concerns can be intertwined. He made honours Master of Engineering (MEng) the point that designs for longer life of building services degree in Mechanical Engineering who will decide plant are not recognised by sustainability indexes – earlier this year. He achieved 22 A which finalist saying that they should be. grades out of 23 modules throughout shows the best His dissertation states: ‘BREEAM only looks at the the five-year sandwich course. life cycle of a building as a whole and not the individual During the course he completed a self-designed combination of services. Modular boiler rooms are offered as a way of project in which he investigated the feasibility of a communication providing long life expectancies, increased reliability Sterling engine micro-CHP system for a small urban skills, knowledge and ease of servicing.’ residence, achieving an A grade. He has an engaging personality and an ability to His level five MEng group project involved the and enthusiasm communicate effectively with people from diverse design and fabrication of a reactive high pressure and backgrounds – from site workers to managing directors temperature diesel spray test chamber. This project – with equal ease. was also awarded an A grade and the Crown Europe Prize for Excellence in Design Work in an MEng group Mike Slessor University of Cambridge and project. Buro Happold Since joining 8build as graduate engineering Mike Slessor has worked on a number manager he has been given sole responsibility for the of significant projects, most notably management and delivery of the M&E commissioning in the development of the Estidama of the company’s most prestigious project, valued at Pearl Rating System (Abu Dhabi’s around £15m. l equivalent to LEED/BREEAM) since graduating from Cambridge with an MEng and joining Judging will take place at the IMechE on October 7. Entry Buro Happold in Dubai. to the graduate award judging and ASHRAE lecture is In developing the specific requirements for Estidama, free. The YEN evening reception is by invitation only. Slessor liaised with relevant government agencies and For more information visit www.cibseashrae.org i0522-12 CIBSE AD AW:CIBSE Magazine 190x66 16/6/10 14:29 Page 1
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www.cibsejournal.com October 2010 CIBSE Journal 23
CIBSEoct10 pp22-23 Grad.indd 23 23/9/10 16:20:46 Letters
We need more POE data is absorbed without providing any visual see cars driving around without their lights Congratulations to CIBSE Journal for effect. In a recently published paper (Lighting on because the ambient lighting is higher and publishing the post-occupancy evaluation Research & Technology 2010, 42(1) 73-86) the driver isn’t aware? If we cut street lighting (POE) case study, and to Buro Happold for I have proposed a Perceived Adequacy of by 75% it would still be adequate. Stop light supplying properly organised data (September, Illumination (PAI) criterion, which is satisfied pollution and save energy. page 35). The tabulated POE results for energy by providing reflected light to the eye from James Brown consumption per square metre on page 40 are surrounding room surfaces. I included an particularly interesting, as they show the huge example of lighting design for PAI in which Not the ‘voice for the profession’ variation between individual dwellings, space the illumination target is specified in terms of I was not aware that comments made by me heating and hot water. mean room surface exitance. This approach were going to appear in the August issue The data show the acute difficulties in (a) of CIBSE Journal (Letters, page 18). The forecasting a particular client’s consumption comments were taken from a heavily- when starting from scratch, and (b) setting edited extract of a valedictory essay I wrote up norms for regulatory design targets. One when I left the Engineering Council; the full can quibble that the energy consumptions version is available at http://bit.ly/aor12H should be factored against the number of So I was surprised to see Ian Brown’s occupants, as kWh/sq m/person, and even response in the September issue (Letters, against occupied hours per day as well; but page 20). Regarding his remarks, I would allowing for these in the design stages is simply observe that the Engineering equally problematic and would probably Council I led was not charged with acting as alter the figures by concentrating most the ‘voice of the profession’, and it certainly consumptions closer to the mean rather did not ‘administer’ the 36 engineering than by changing the overall spread. I accept institutions. Its sole task has been to run the that a single average figure has some use, licensing system to maintain and promote but measured figures for a particular single professional standards for the engineering building without supporting data are almost profession. I believe that the Engineering meaningless. Council has discharged this task well. Our My plea is therefore that predicted design involvement in speaking for the profession consumptions for all purposes, whether was largely the result of the vacuum I for Part L or for prediction of energy bills, describe in my essay. should be calculated by rather more subtle Andrew Ramsay, methods than the currently accepted norms. Companion CIBSE Chief executive officer, For regulatory purposes, standardised Engineering Council, 2002-2010 occupant numbers and occupancy/ behaviour patterns must be used, and be a inverts current notions of lighting efficiency Clarification: The way Ian Brown’s letter required input, so that arguments over figures and opens up opportunities for satisfying users’ in the September issue was edited meant submitted for regulatory approval and for expectations for spaces to appear adequately some readers may have been left with the energy certificate comparisons would largely illuminated with very low lighting power impression that Andrew Ramsay had been disappear. Similarly the effects of occupancy density values. chief executive of the Engineering Council patterns could be demonstrated more simply It is high time that we recognised that (EC) for 35 years. To clarify, he joined the to a client and by an approved method. visual task plane illuminance has outlived EC as director for engineering regulation John Moss, MA, MCIBSE, CEng its usefulness for specifying illumination in September 1997 and became its chief adequacy. executive in April 2002, retiring on 31 July Outliving its illuminance usefulness Kit Cuttle, MA FCIBSE FIESANZ FIESNA FSLL this year. While your Lighting Roundtable discussed Havelock North, New Zealand at some length potentials for reducing CIBSE Journal welcomes article proposals from illumination levels, it failed to address the Stop this street-light wastage any reader, wherever you are – whether it be letters, longer opinion pieces, news stories, fundamental point that the way in which More than 40 years ago I was engaged in the people or events listings, humorous items, or any those levels are currently specified bears no production and calibration of street lighting ideas for possible articles. sensible relationship to human assessment of photometers and other photometers under Please send all letters and any other items for lighting adequacy (CIBSE Journal, September, the brand name EEL. It seemed that when possible publication to: bcervi@cibsejournal. page 27). The schedules of visual task plane the units of measurement changed from foot com, or write to Bob Cervi, Editor, CIBSE Journal, Cambridge Publishers Ltd, 275 Newmarket Road, illuminance (which invariably is interpreted candles to lumens to lux, and lighting became Cambridge, CB5 8JE, UK. We reserve the right to as horizontal workplane illuminance) require a profession in its own right, the need for street edit all letters. Please indicate how you wish your that ‘efficient’ lighting systems direct their lighting to be measured at very low levels went letter to be attributed, and whether you wish to have your contact details included. output onto the floor, where a high proportion out of the window. How many times do you
24 CIBSE Journal October 2010 www.cibsejournal.com
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p25_CIBSEMagOct10.indd 25 20/9/10 14:48:27 Opinion Operating in the dark The ‘great British refurb’ will remain a daunting task if we continue to lack building-performance intelligence, argues David Thorpe
ast year I was commissioned to write a book on director, Neil Morgan, thinks that to achieve 80% sustainable home renovation that, among other reductions on average will require around £60,000 to criteria, would help the UK meet its target of £70,000 per property. That is ten times more than the reducing global emissions by 80% by 2050. It £6,800 figure quoted for the Green Deal. Lseemed reasonable to suppose that there must be plenty The Passivhaus standard is one, very successful, of low carbon homes, where it would be possible to see absolute standard. It provides measurable results; the by example what worked and what didn’t. But as I started space heat requirement must not exceed 15kWh/(sq visiting homes and talking to their occupants, to estate m/a) – less than one-fifth of that mandated by building managers and to contractors, it became apparent that regulations. Total Primary Energy Use must not this was far from being the case. My research revealed exceed 120kWh/(sq m/a) – less than half the average a lamentable shortage of documented, monitored or consumption of European new evaluated refurbishments. housing. Building fabric U-values In other words, we are largely operating in the must be less than 0.15 W/ sq m K. Of the dark. What we do know is that of the environmental What if we adopt a standard that renovations that have been evaluated, on average they approaches this for retrofits? While environmental perform thermally only half as well as predicted, for those homes able to be upgraded to renovations that have been reasons of poor installation, occupant behaviour or this standard or near it are being failure of the materials. dealt with, we could side-by-side evaluated, on average they This year, several monitored projects have begun. have a programme of accelerated perform thermally only Retrofit for the Future is one, government-sponsored, replacement of those remaining, programme tackling this, and several others are being with Passivhaus new build. half as well as conducted by social housing authorities and academics. Such buildings eventually pay predicted Until their results are in, builders and architects have for themselves with their energy only probabilities as a substitute for evidence. savings – central heating would become a sign not of Government thinking is far from clear on what to do progress but of obsolescence. about home renovation, although it does recognise the We must also beware of apparent solutions, offered by scale of the problem. It is using carbon cost-effectiveness particular manufacturers, that may solve one problem analysis to provide an estimate of the net social cost per but do not address all of the issues posed by the concept tonne of CO2 reduction resulting from its community- of low-impact housing. The choice of materials is scale energy policies. But I can find no reference to the important, too, in overall carbon reduction. standards being sought for different insulation measures The UK’s retrofit challenge is huge. We can achieve that are used as the basis for their calculations. Such a lot with currently available technology, but only if we standards might be: the projected U-value of the home act with absolute urgency. Meanwhile a lot of research or measure; the air changes per hour; or the absolute is required and, inevitably, some behaviour change. We final energy use. It’s important to note that these are also need a massive training programme of designers absolute and not relative criteria; a figure like ‘a 40% and contractors, the roll-out of appropriate supply chains reduction’ of CO2 emissions is meaningless if we are and, not least, the sensitisation of Building Control to unclear of the baseline we’re starting from and the the issues, so that implementation is scrupulously efficacy of the measures. monitored and improved. l The UK government’s Green Deal proposal, which aims to repay the cost of renovation from the resulting Sustainable Home Refurbishment: The Earthscan Expert energy savings, lacks such targets. It also carries a high Guide to Retrofitting Homes for Efficiency, by David probability of being insufficient to meet the cost of all Thorpe, is published by Earthscan. www.earthscan. co.uk/?tabid=102285 the necessary modifications. Retrofit for the Future’s
26 CIBSE Journal October 2010 www.cibsejournal.com
CIBSEoct10 pp26 opinion.indd 26 23/9/10 16:21:11 FKHCEH7:?7JEHI
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CFNK IX[`Xkfij]ficfnk\dg\iXkli\_\Xk`e^jpjk\dj1 fgk`dXcZfd]fikXe[_`^_\]ÔZ`\eZp Kf[XpËjYl`c[`e^gifa\Zkj$n_\k_\idf[\iee\nYl`c[fin\cc$i\efmXk\[fc[\igifg\ik`\j$ Xi\ZfejkXekcpiX`j`e^k_\YXikfXZ_`\m\k_\_`^_\jk\e\i^p\]ÔZ`\eZpZfdY`e\[n`k_ g\ijfeXcZfd]fik%GlidfiX[`Xkfij[\c`m\iYfk_#n`k_Xep_`^_\]ÔZ`\eZp_\Xk`e^jpjk\d# gXik`ZlcXicpn_\ek_\jpjk\d`jj\kXkcfnnXk\ik\dg\iXkli\j%K_XkËjefkaljkjdXik# k_XkËjZc\m\i%:Xcclj]fidfi\`e]fidXk`fefim`j`kflin\Yj`k\1nnn%glidf%Zfd GlidfLB#I\kk`^GXib#;ildCXe\#9`ikc\p#:flekp;li_Xd#;?)(www.cibsejournal.com 89K'/+,'.'('0'lb7glidf%Zf%lbOctober nnn%glidf%Zfd2010 CIBSE Journal 27 p27_CIBSEMagOct10.indd 27 20/9/10 14:49:27 Legal To be continued This month the 2010 revisions to Parts F, L and J of the Building Regulations come into force. But, although the next review won’t be for a few years, don’t sit back and wait for it, advises Hywel Davies reform that the previous government Stunell asked in particular for evidence relating to introduced to the Building Regulations compliance with the regulations. Around 200 readers was a three-yearly cycle for changes. The responded to the CIBSE survey asking for feedback government agreed to give industry a degree on Part L compliance, enabling us to provide evidence ofA certainty about the future direction of the regulations, from day-to-day practice of how commissioning goes instead of the previous arrangements in which changes unchecked, how nobody is asked for a building log book, could happen at almost any time, which meant that and how few projects have their as-built energy rating following them could be a real struggle for the sector. checked against the design. The three-year cycle also dictates that, by and large, the Since then, CLG has held a workshop to discuss the ‘Parts’ of the Building Regulations cannot be changed in key issues, and has indicated that it plans to consult consecutive rounds. I say ‘by and large’ because there is more formally on the future of Building Regulations one crucial exception to this rule – one that is of particular compliance. Our concerns about enforcement of Part L interest to those in the area of were stressed, and supported building services engineering: by others. the exception affects Parts As we get to grips CLG officials are also L and F. looking at the ‘recast’ Energy To meet the ‘zero carbon’ with the latest Performance of Buildings targets for dwellings in 2016, changes to Parts L and F, Directive (EPBD). This must be and other buildings in 2019, implemented in EU member Parts L and F have to change we need to be mindful that states by 2013. One proposal every three years. So, as readers there is more to submitted by CIBSE to CLG in England and Wales get to was to streamline the next grips with the latest changes come in 2013 revision of Part L and combine to Parts L and F, and readers it with implementing the recast in Scotland prepare for changes in their standards, they EPBD, creating one process, one set of regulations, one need to be mindful that there is more to come in 2013. consultation, one set of industry activity and, for CLG, Over the summer, while ministers went on holiday, one administrative task. This means cutting red tape and Andrew Stunell, the junior minister in the Department of burdens on industry, saving money and achieving a single Communities and Local Government (CLG) responsible outcome covering all aspects of the energy performance for the Building Regulations, asked industry to send him of buildings. ideas on how the regulations might develop. This might This idea is not just CIBSE’s idea. Other industry seem a cynical ploy: ask everyone what they think, with bodies including FETA, HVCA, ECA and BSRIA – supporting evidence, when they are all away, and nobody whose members together make, install, commission and consultation event has time to submit a proper response. But that might be test much of the energy-using kit installed in buildings For the full CIBSE response to an unwise view of the situation. – support it, too. It remains to be seen what CLG will the informal consultation by Andrew Stunell, go to Stunnell is an unusual minister. Some readers may think. www.cibse.org/consultation recall the so-called ‘Stunell Act’, or the Sustainable and One thing is certain: the stream of consultations, CIBSE will be holding an Secure Buildings Act, to give it its proper name. This changes and regulations relating to energy use in buildings event on on 13 October at Private Member’s Bill, sponsored by Stunell, amended the is set to continue unabated for some time to come. We 6.30pm to discuss the future 1984 Building Act, introducing regulatory powers relating will be ready to react and respond when consultations of building regulations and in particular the links with to sustainability, security and compliance. So the current are launched. l the EPBD. Further details will building regulations minister may know the regulations be advertised shortly on the is technical director of CIBSE. better than some of his officials. Hywel Davies CIBSE website. 28 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp28 legal.indd 28 23/9/10 17:30:06 More contribution from this, so less from this A.O. Smith high-effi ciency solar systems: SGE & SGS Thanks to the single intelligent control system incorporated in our SGE & SGS water heaters, we can guarantee the highest level of solar effi ciency, up to 40% extra when compared with a standard solar system. This is achieved by saving as SGS + IT much solar energy as possible in the systems stored water and using the fossil fuel burner only when absolutely necessary. For full information on these intelligent solar systems please see the “ReNEWables” page of our web site, alternatively call our technical department who are available SGE to answer any questions on sustainable hot water applications. 0870-AOSMITH (2676484) or www.aosmith.co.uk. We are always happy to assist you in fi nding the perfect hotwater solution! Innovation has a name. www.cibsejournal.com October 2010 CIBSE Journal 29 p29_CIBSEMagOct10.indd 29 20/9/10 14:50:50 Terminal refit takes off at London Heathrow Overhauling one of the world’s busiest airport terminals presented a range of challenges for the mechanical and engineering consultants involved in the project. And key to the successful outcome was co-operation between the wide range of stakeholders. By Alasdair Macintosh, Dominic O’Hara and George McBride he opening of Terminal 5 at Heathrow Airport the building open to the public throughout. The and associated transfer of British Airways’ redevelopment involved the following programme operations provided airport operator BAA of work: with an opportunity to carry out a large-scale • The construction of a new 185 x 25 metre extension Trefurbishment of the existing facilities at Terminal 4. to the existing check-in concourse; Morgan Sindall Professional Services was appointed • The creation of a new departures forecourt; by BAA under its long-standing design framework to • The refurbishment of the existing check-in concourse develop the mechanical and electrical design for the and seamless integration with the new extension; ambitious redevelopment portfolio. • The construction of new airside lounges for business Morgan Sindall’s task was to turn a tired, underlit and first-class passengers; and overly warm space into a high-quality, modern • The reconfiguration of aircraft stands to accommodate terminal building consistent with the Heathrow vision the new A380 ‘super jumbo’ aircraft; and Morgan Sindall for a world-leading passenger experience. • The creation of back-of-house accommodation for The team had to meet demanding environmental approximately 45 airlines, retail concessionaires and targets, deal with security considerations and keep the UK Border Agency. > 30 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp30-32,34,36 Heathrow.indd 30 23/9/10 16:22:45 M&E services Airport case study Terminal refit takes off at London Heathrow Terminal 4 at Heathrow: the challenge for the M&E team was to turn an overly warm and underlit space into a high-quality, modern terminal building www.cibsejournal.com October 2010 CIBSE Journal 31 CIBSEoct10 pp30-32,34,36 Heathrow.indd 31 23/9/10 16:23:33 M&E services Airport case study > Thermal modelling One of the early tasks undertaken by the M&E design Morgan Sindall Morgan team was to provide advice to the whole project team on the building envelope, in order to maximise energy performance and deliver high levels of passenger comfort throughout the concourse area. Project architect 3D Reid designed the extension’s main façade to be highly glazed for aesthetic considerations and to gain the daylight benefit of a south-east facing outlook. The project team had to ensure that the façade was capable of resisting a bomb or projectile attack. This requirement was brought home powerfully to the whole team by an attack on Glasgow airport in June 2007, when a burning car was driven into the main terminal building – an incident that occurred midway through the design programme. The event led to a reappraisal of the vehicular approach and terminal forecourt philosophy. The security considerations resulted in the proposal for the main terminal canopy to be constructed in ETFE – the plastic used for the Eden Project domes – to effectively mitigate the risk of shrapnel. It was identified early in the design that the performance of the fully glazed façade would be a key driver in the overall energy performance of the building It was identified early in the design by the Morgan Sindall team that the performance of the fully glazed façade would be a key driver in the overall energy performance of the building. Accordingly, extensive thermal modelling was carried out to examine and model the effect of different glazing specifications, angles and shading options to reduce unwanted solar gains in summer, enhance thermal performance and still provide high levels of natural daylight. The ETFE canopy provided a further opportunity for the design team to fine-tune the solution: various ‘polka-dot’ patterns were tested within the model to establish the optimum level of obscuration. The calculation models indicated that, with the optimum combination of high-performance solar control glazing and ETFE canopy obscuration, we could expect to see a dramatic reduction in the peak cooling loads by up to 40% (compared to standard clear glazing and These three CAD model images show the co-ordination of pipework services with the new baggage no canopy). collector belts connecting the new check-in desks with the baggage hall Energy efficiency Although a large concourse area could be viewed as a primarily transient space, the team noted at an early stage that there were a significant number of areas – such as check-in desks, information points, ticket desks and retail shops and cafes – where passengers would congregate in large numbers and where staff would be present for extended periods. Therefore, the > 32 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp30-32,34,36 Heathrow.indd 32 23/9/10 16:23:50 HOUSING s EDUCATION sæHEALTH sæLEISURE sæPUBLIC SECTOR sæCOMMUNITY High effi ciency air source heat pumps – discover a breath of fresh air from Dimplex Renewables The new Dimplex LA TU high effi ciency air source heat pumps set new standards of performance for sustainable heating in commercial buildings. Designed specifi cally to maximise energy effi ciency at low ambient air temperatures and suitable for heating, hot water, cooling and heat recovery, the range is able to deliver seasonal energy effi ciencies directly comparable with ground source systems. With its unique “owl’s wing” fan blade design to minimise acoustic emissions and outputs from 9 – 60kW, multiple LA TU’s can be installed together to meet the demands of large public sector and commercial buildings, making them ideal for schools and colleges. LA TU air source heat pumps are just part of the comprehensive Dimplex Renewables portfolio, which includes a full range of renewable heating, hot water and energy solutions, as well as full technical support and help with obtaining grants and funding. Discover Dimplex Renewables. And put the world of renewables at your fi ngertips. sæHigh effi ciency air source heat pumps sæHigh capacity ground source heat pumps sæSolar hot water sæSolar PV sæCommercial hot water cylinders sæSmartRad low energy radiators Discover our world of renewables technologies today! 01489 773336 www.dimplex.co.uk/discover www.cibsejournal.com October 2010 CIBSE Journal 33 p33_CIBSEMagOct10.indd 33 20/9/10 14:51:50 M&E services Airport case study Morgan Sindall Engineers faced the challenge > M&E team spent a great deal of time in the early days of of air distribution and BMS controls. By re-selecting of working on a section the design reviewing the most energy efficient way to supply and extract diffusers to suit the new ceilings, of Terminal 4 while the achieve internal environmental conditions consistent and re-commissioning the existing AHUs, significant building services for the whole building were kept fully with the client’s technical standards and aspirations. improvements in conditions were achieved at the operational throughout Achieving an internal temperature of 20C to 24C expense of minimal additional energy consumption. for the terminal in an energy efficient manner proved a The construction sequence for the extension further challenge for the team. It investigated an extensive range complicated matters, as the new AHUs were to be roof of natural ventilation techniques and options before mounted and shielded from view by the new extension concluding that the unique combination of ambient, structure. This dictated that the units were selected, acoustic and security circumstances surrounding procured and installed far earlier in the project an existing airport terminal building effectively dictated a mechanically cooled and ventilated resolution of some description. The accuracy of our early The team settled on a solution where the concourse environmental modelling and extension is served by four new roof-mounted air handling units (AHUs), supplying air via a bank of calculation took on a huge jet nozzles located on a bulkhead at high level. The air significance, given the procurement handling units are enthalpy-controlled, and the rate of constraints fresh air supply is controlled using CO2 sensors in the return air ductwork. programme than anyone was ideally comfortable with. The 12 metre-high ceilings of the extension mean The accuracy of our early environmental modelling and that the concourse is capable of handling relatively calculation took on a huge significance on this project large fluctuations in internal heat gains, and the given the procurement constraints. controls are configured to run the AHUs at low speed The AHUs were selected to take account of the wherever possible in order to save energy. specification of high-performance glazing (U-value of In the existing check-in areas, the solution was 1.3W/sq m.K) and a building fabric designed to achieve altogether simpler and relies on the re-use of existing an air permeability of 5 cu m/hr at 50Pa. Combined systems. During early surveys, it had been noted by with the consequential reduction in load on the existing the team that the existing ventilation system was not gas-fired boilers and water cooled chillers, this resulted performing as would have been expected. Upon further in the completed building performing even better than review, the issue was identified as being a combination the calculation model suggested. Once the building > 34 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp30-32,34,36 Heathrow.indd 34 23/9/10 16:24:47 LIFE SUPPORT for energy efficient and sustainable homes Lungs Heart Top quality, highly efficient fan motor keeps things running smoothly Highly efficient heat exchanger - up to 9l% Brain Easy to maintain Electronics filters balance, monitor and control air flow levels perfectly Arteries Airways Full range of Fully adjustable matched ducting boost settings for optimum increase capacity performance when required Ports accept l00 or l25mm ducting with no adaptors Will your ventilation system be fully functioning? Call our consultants for a ‘Ventilation Health Check’ Tel: 01206 713800 www.titon.co.uk/hrv www.cibsejournal.com October 2010 CIBSE Journal 35 p35_CIBSEMagOct10.indd 35 20/9/10 14:54:55 M&E services Airport case study Morgan Sindall traffic flow around the terminal multi-storey car park, and temporarily moving the passenger entry and exit point to the terminal via the arrivals concourse, which is one level below departures; and • Areas of the terminal that are fundamental to its operation and cannot be bypassed – immigration and security search, for example – were designed to be completed in small packages of work in engineering hours (23:00-04:00 nightly). It was relatively simple to design many of the M&E systems to suit the phasing strategy, but other aspects of the M&E, including the power distribution infrastructure and the terminal fire detection and public address/voice alarm system, proved to be more challenging. The team identified early on that additional capacity would be required on the landside power distribution network with a new 11kV substation being a key requirement of the new extension. The need for early ‘power on’, coupled with the phasing A CAD model image showing > was commissioned, the ‘as constructed’ thermal model strategy, effectively dictated the substation location, but the coordination of one of the showed the building would achieve energy savings of this was ruled out, primarily on aesthetic grounds. ‘bookend’ offices (which are approximately 20% over that required by Building The M&E design team worked closely with the suspended within the check- in concourse at either end) Regulations Part L. wider team to develop alternative options for the substation location and identified a suitable location Passenger challenge at arrivals level. Armed with this alternative location, Aside from driving down the energy consumption, the the team quickly set about re-planning the construction design team had to cope with the complex challenge sequence for that area. set by the nature of the T4 building: it was essential On the fire alarm system, Morgan Sindall had the that the building was kept operational and fully open benefit of having successfully completed the design to the public, with all building services maintained for the replacement of the whole T4 fire alarm system throughout. two years previously. This detailed knowledge was When the project team took possession of the absolutely vital in understanding how the evacuation terminal building, it was dealing with around 19m zones overlapped with the construction zones, and passengers a year. Throughout the project, airlines allowed the design team to develop detailed step- began to decant from the building to make space for by-step cause-and-effect sequences that ensured the incoming carriers. However, the number of passengers safety of passengers and staff throughout the whole passing through never dropped below 4m. The question construction cycle. that drove the design team’s thought process from the Identifying and addressing issues of this nature start was: ‘How do you design a project portfolio of this early within the whole team was acknowledged by magnitude without disrupting the travelling public?’ the client as being of fundamental importance to the Recognising the size of the challenge, BAA assisted projects’ eventual success. the design team from the earliest point, by helping Geoff Sykes, BAA project leader for T4, says: ‘The to identify and engage with all of the numerous M&E team was flexible enough to establish the project stakeholders involved. They included individual requirements through constant engagement with airlines, retailers, HM Customs, the UK Border Agency, the client team and the contractor, while ensuring the Metropolitan Police, baggage handling, London that design solutions delivered were innovative, and Underground, Heathrow Express and car park operators, ultimately represent best value to the client. among many others. Gaining an understanding ‘Despite an extremely challenging programme, the of an individual stakeholder’s requirements was a team pulled together to complete an excellent project fundamentally important exercise for the design team on time and on budget.’ l and significantly influenced the overall design in terms of construction phasing and buildability. Alasdair Macintosh is associated director of electrical The phasing strategy that emerged from the review services, Dominic O’Hara is associate mechanical was as follows: services engineer, and George McBride is sector leader for aviation and infrastructure at Morgan Sindall Professional • To maintain passenger flow through the check-in Services. www.morgansindall.com process, the check-in concourse was constructed in T4 TEAM four sequential sections moving east to west, ensuring Architect: 3D Reid; structural engineer: Buro Happold; that sufficient check-in desks were available; M&E services: Morgan Sindall Professional Services; • The departures forecourt was effectively closed to quantity surveyor: Turner Townsend; construction manager: Vinci the travelling public by reversing the entry/exit and 36 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp30-32,34,36 Heathrow.indd 36 23/9/10 16:24:58 geometry What’sdesignFind new out in ssustainability geometry generative coHevacompmponents arrchchiti ece ture generative geometry High-Performance componentsonenon ts sustainability design geeommete ry sustainability Green Buildings architecture generative components archhittecectut re architecture geometry design Image courtesy Hamilton Associates Image courtesy HKR Arhitects Image courtesy Foster+Partners Software for Building Energy Design, Already a Hevacomp user? 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Bentley, and the “B” Bentley logo are either registered or unregistered trademarks or service marks of Bentley Systems, Incorporated or one of its direct or indirect wholly owned subsidiaries. Tas copyright EDSL. Used with Permission. Other brands and product names are trademarks of their respective owners. www.cibsejournal.com October 2010 CIBSE Journal 37 p37_CIBSEMagOct10.indd 37 20/9/10 14:55:50 Wood Wharf – an early CGI study model Tall Hare Miller Minimising water use was at the heart of plans for a new London dockside orderdevelopment, but some of the more obvious solutions were rejected in favour of a radically new approach, writes Peter White 38 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp38-40,42 Water.indd 38 23/9/10 16:36:37 Water conservation Recycling Courtesy of GE ess than a decade ago the incorporation of a had already incorporated ‘per parcel’ grey water Depiction of the ZeeWeed rainwater harvesting system into a project was recycling facilities. However, both teams acknowledged membrane bioreactor (MBR) seen as something of a novelty – a bit of green- that the effectiveness of these facilities would be limited process flow wash to keep people happy. Nowadays, these by the fact that an office block could never yield enough Lsystems are included as a matter of course, and even grey water to meet its non-wholesome water needs. recycling systems for grey water (recyclable waste Within the residential and hotel elements of the water) are regularly given consideration. In 2008, when scheme, the MEP designers from Hoare Lea found Hoare Lea was appointed as mechanical/electrical/ themselves blessed with more grey water (from plumbing (MEP) and sustainability consultants to all those baths and showers) than they could find the infrastructure, residential and hotel elements uses for. Hoare Lea’s feasibility study showed that if of Wood Wharf, one of London’s largest waterside centralised grey-water facilities were incorporated into developments, the need for each of the proposed each of the three marketable residential parcels, 7B, buildings to reduce water consumption was firmly on 7C and 7D there would be about 17,000 litres per day the agenda. of excess grey water available to use elsewhere in the Wood Wharf is a seven-hectare site adjacent to development (see diagram showing ‘Outline strategy Canary Wharf in London’s Docklands. The proposed for black-water recycling at Wood Wharf’). masterplan for the site comprises a range of high- Unfortunately, unlike the office designers with quality homes, offices, shops and community facilities, their well-defined cores and basement plant rooms, set within a waterspace and public realm. The main our residential designers were faced with limited riser features of the proposed scheme are: space to accommodate additional sets of grey-water • Six commercial buildings providing approximately drain and vent stacks, and non-wholesome water risers. 454,000 sq m of office space; This, together with limited space for plant at basement • Six residential buildings providing up to 1,668 level, led the team to conclude that only the hotel could homes, including 35% social rented housing and a accommodate a centralised system. significant proportion of affordable shared ownership Therefore the apartments would either have to rely family housing; on flow-limited taps and showers, and reduced-volume • A waterside hotel; bath tubs (which would not be seen as acceptable in the • A retail mall; and high-specification private residential accommodation), • A new public park. or they would need to install micro grey-water collection facilities for each of the 1,000 apartments. But such Emerging challenges installations, at around £1,800 per unit, would be The tall buildings and high density of the development too costly overall. There was also the issue that such makes the ratio of population to available water technology was largely an unknown quantity in the collection area very high – which means that rainwater UK a couple of years ago. harvesting was never going to have much impact. Conservation and re-use of water were going to have Recycling options to be considered if our efforts were to be anything other Given the unfavourable conclusions of the per-parcel than token. solutions, Hoare Lea’s MEP infrastructure and On a building-by-building level, (or ‘parcels’ in Wood sustainability designers were tasked to look at the idea Wharf masterplanning terminology) the office teams, of a ‘whole site’ approach. This led to a review of three with MEP designers from Hilson Moran and AECOM, centralised options: a single centralised grey-water > www.cibsejournal.com October 2010 CIBSE Journal 39 CIBSEoct10 pp38-40,42 Water.indd 39 23/9/10 16:37:04 Water conservation Recycling City of Melbourne > recycling system to serve the whole site; a centralised Factfile dock-water recycling system (with water being taken Making use of from the adjacent dock); and a centralised black-water waste black recycling system for toilet wastewater (see Factfile water box). The first option, centralised grey water, brought with Black-water recycling it the problem of lack of riser space to accommodate is essentially the same process as any traditional the additional drainage required, together with the municipal sewage long, horizontal, gravity-fed pipework runs needed treatment works. The to connect each parcel to a centralised plant. When difference is that instead it became apparent that the largest commercially of discharging the treated water to an estuary or available plant could only treat 50 cu m per day and that similar water body, the a system to treat the estimated 375 cu m per day would water treatment is to a have to be bespoke, a centralised grey-water solution specified standard to suit was rejected. whatever the re-use is. The second option was the result of a detailed study There are various by Hoare Lea of a model (originally worked on by technologies, but the process stages are the Hilson Moran and Atkins) into the viability of using same: abstracted dock water as part of the cooling strategy. Screening to remove The advantage of this centralised dock-water recycling large solid items such as system was that additional drainage pipework would rags and plastics; not be needed and that, as infrastructure to take the Sedimentation to allow water for cooling was to be implemented, all we would solids to settle and need to do would be to divert some off into centralised oils and greases to be decanted; storage and treatment, and distribute it to the parcels. Aeration to reduce the organic content in the The downsides of dockwater recycling were: water; • The brackish water quality of 4psu (practical salinity Clarification to further units), which meant energy intensive reverse-osmosis remove organic sludge; (RO) treatment would be needed; and, • the fundamental question of whether an abstraction Tertiary treatments to license would be granted; and further improve (polish) • the restrictions that may be imposed during periods the water quality, such as sand filtration, of low rainfall, as the dock in question is a closed UV treatment and one, using pumping to maintain water level if there chlorination. is insufficient use of the locks. Because black-water The Council House 2 scheme in Melbourne, Australia, uses The third, black-water option came about because recycling is a relatively membrane bioreactor (MBR) technology to treat black water Hoare Lea was aware that, internationally, there were new concept in the examples of this technology being used successfully in UK, there is currently no guidance regarding buildings (see Technology box) . Our proposal involved appropriate water quality installing a single centralised black-water recycling for differing uses. plant, which would treat the foul water generated on Our research site to a standard where it could be re-used as non- suggested that a wholesome water. document published by the Environment There were a number of benefits to this option, Protection Agency (EPA), which were mainly that no additional collection > Victoria, Australia, entitled Guidelines For Environmental Table 1: Proposed volumes and uses for recycled black water Management – Use of Reclaimed Water, 2003, Wood Wharf building/ Recycled black-water use Estimated volume Estimated volume was a sound basis. It use required discharged contains four classes of water quality, ranging Buildings WW01 – • WC flushing 300 cu m/day 470 cu m /day from urban use with WW06 • Urinal flushing uncontrolled public access, to the irrigation Buildings WW07B – • WC flushing 60 cu m /day 330 cu m /day of non-food crops. WW07D • (possibly washing (100 cu m /day if water These classes of use are machines) can be supplied to expressed as A to D, with washing machines) A being the highest quality – the one we selected as Cooling tower Cooling tower make-up 100 to 140 cu m /day Not applicable the most appropriate for Wood Wharf. Irrigation External irrigation As required Not applicable 40 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp38-40,42 Water.indd 40 23/9/10 16:38:20 www.cibsejournal.com October 2010 CIBSE Journal 41 p41_CIBSEMagOct10.indd 41 20/9/10 15:06:27 Water conservation Recycling Outline strategy for black-water recycling at Wood Wharf Technology Proven method for sludge treatment Membrane bioreactor (MBR) technology provides combined activated sludge treatment with membrane filter cassettes, which sit in the sludge and have wastewater drawn through them using vacuum pumps. This greatly reduces the footprint of the system. Within an MBR, wastewater is first screened much as in a traditional plant. The wastewater then enters the bioreactor where high levels of aeration promote the growth of an active sludge. This sludge feeds on the organic content of the wastewater, significantly reducing its biological oxygen demand (BOD). The wastewater is then abstracted via membrane filtration units with a pore size of 1x10-7 m, which remove the majority of pathogens and discoloration. The water leaving the unit is of a > infrastructure would be needed; and that, as it was no high standard, but may need polishing to kill any longer restricted to wastewater from baths, showers remaining viruses and remove discoloration. and basins, far bigger volumes of recycled water Outside the UK there are examples where this could be produced to satisfy a larger proportion of the technology has been used successfully in buildings, development’s non-wholesome water needs, including predominantly in Australia and North America. The cooling tower top-up on the office buildings. Council House 2 scheme in Melbourne, Australia, The conclusion of this study was that a centralised treats 100 cu m per day and pipes treated water off black-water recycling plant was the best fit for the aims site for use in other buildings, street cleaning and of the development. Buildings require compact high- irrigation. density wastewater treatment technologies. We found The Solaire residential apartment scheme in that the most widely used technology in this application New York treats 95 cu m per day and supplies water is the membrane bioreactor (MBR), which has a for toilet flushing, irrigation and cooling tower smaller footprint than a traditional sewage treatment top-up. This scheme achieved the LEED Gold plant (see Technology box). environmental standard. Other schemes using Table 1 shows the proposed volumes and uses for MBR technology include the Vancouver Convention recycled black water per building type, together with and Exhibition Centre, the mixed-use Dockside an estimate of the black water discharged by each type Green development in Victoria (both in Canada), of building. It should be noted that the cooling tower and the Palm Jumeirah Development in Dubai. make-up of 100 to 140 cu m /day represents 25% to 35% of the average annual requirement to allow mixing with wholesome water to avoid the risk of dissolved solids However, it must be stressed that this was a build-up in the towers, as experienced at the Solaire simplified exercise which ignored the complexities of scheme. Based on these estimates it was proposed that the development’s phased nature; this could have a a 500 cu m/day MBR should be considered, with any significant impact on the real payback period because excess black water being discharged (untreated) to the it would be many years before the plant operated at local utilities sewer. full duty. However, it is reasonable to say that, in terms of Whole-life costing both technology and cost, it has been established that Indicative costs for the black-water solution for Wood a centralised black-water recycling scheme is feasible Wharf were worked out as: for Wood Wharf. What is much harder to establish are • Capital cost of plant: £600,000 the wider issues, such as acceptance, perceived risk • Civil and infrastructure works: £1,100,000 and the commercial issues surrounding a scheme such • Preliminaries, contingency and O&M: £1,150,000 as Wood Wharf. At the time of writing, Wood Wharf Using this information, together with annual energy awaits the revival of the property market, in particular and maintenance costs obtained from GE Power & residential property values. So sadly, the opportunity to Water, and the estimated savings on Thames Water work through these issues with the stakeholders is on wastewater treatment costs – and assuming an income hold – but if water really is the new carbon, then black- based on Thames Water charges for selling the recycled water recycling may well be a solution in waiting. l water to each parcel – a basic 25-year whole-life costing analysis was performed. This indicated a payback Peter White is public health principal at Hoare Lea consulting engineers period of between 11 and 18 years. 42 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp38-40,42 Water.indd 42 23/9/10 16:38:41 WANT TO SIGN FOR Say goodbye to ŇaŶgŝŶg, threadŝŶg, A TOP TEAM? 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Contact us or download the PDF from our website for full details. For more information call us on 01993 824900 or visit www.emmeti.co.uk Radiator System Plumbing UFH System Zone Fitting Manifolds Manifolds Components Controls Systems www.cibsejournal.com October 2010 CIBSE Journal 43 p43_CIBSEMagOct10.indd 43 20/9/10 15:08:17 Energy efficiency Supermarket case study Greening the aisles In the second in a series of CIBSE-sponsored building-performance case studies, John Field and Alexandros Balaskas look at whether a ‘green’ supermarket is saving lots of energy – and what can be done to improve its performance n August 2008, the supermarket group Sainsbury’s opened a new ‘flagship’ green store in the UK. The outlet in Dartmouth, Devon, received a BREEAM Excellent rating for its environmental features, and Ia grade D score on its display energy certificate (DEC), which is based on metered energy usage. Following the opening, Sainsbury’s said that most of the energy- saving features from Dartmouth would be replicated in other new stores, as part of plans for a 25% cut in CO2 emissions across its stores by 2012. But, two years later, how has Dartmouth performed as a ‘green’ building? In order to learn lessons from the store’s first full year of monitored operations, an engineers at its London headquarters. The sub-meter up-to-date assessment of the efficiencies of its building information is remotely read using the company’s services installations was recently commissioned by internal IT network. CIBSE as part of the institution’s ongoing programme Recorded energy costs for the store in 2009 were of investigations into real-life building performance. £72,800, comprising £66,500 for electricity and £6,300 The assessors from energy management consultancy, for wood pellets (for the biomass boiler). Energy supplies Power Efficiency, reviewed energy data monitored at the were 201,000 kWh from wood pellets and 1,019,000 kWh store, and they found that the store has indeed performed of electricity including 95,000 kWh of on-site electricity well and that there was more that could be done to reduce derived from wind turbines. The actual emission figure energy consumption – and within identifiable payback of 173 kg CO2/sq m illustrates that the Sainsbury’s periods. Power Efficiency was able to provide detailed store performance was 17% better (lower) than the DEC recommendations for improvements, which Sainsbury’s benchmarks (207 kg CO2/sq m), but this would improve is now considering taking on board. For CIBSE, the further to 24% better than the benchmarks if the bakery lessons learnt will provide key insights for both energy and server room could be separated off. assessors and the wider engineering community involved with such green-building developments. Installations Wind turbine: energy is generated on-site by two 6kW Energy consumption rated output wind turbines reducing the amount of Metering arrangements at the store comprise one half- imported electricity. Metered electrical energy generated hourly energy meter for imported electricity and several in 2009 is reported at 95,044 kWh, representing around sub-meters dedicated to metering the HVAC, wind 10% of the store’s total electricity consumption. turbines and refrigeration consumption respectively. Cooling: the main issues affecting energy Energy metering data is uploaded to the supplier’s web consumption at the site are refrigeration and the air portal and can be interrogated remotely by Sainsbury’s conditioning units. The air conditioning systems are 44 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp44-46, 48 Sainsburys.indd 44 23/9/10 16:39:20 Greening the aisles the shop floor sensors have had to be adjusted to face the walls as low-level sunlight through the store entrance Shop floor sensors have had to wall was shutting off the lights unnecessarily. The cold be adjusted as sunlight through the stores have very low energy LED lamps, which reduces store entrance wall was shutting off the cooling load. the lights unnecessarily Potential improvements Proposed energy performance improvement measures in use 24/7 and seem to run at a constant speed. The have assessed annual cost savings of £6,350 per year, refrigeration compressors in the main plant room with an overall payback period of 1.5 years (See Table 1). run continuously, but these are fitted in banks of five The assessed energy cost savings are 10% and carbon and eight, serving specific duties, so that turndown is emissions savings are 10%. The main components of reasonably efficient. The condenser coils are located these measures are: outside on the boiler house roof and operate on the • Energy champions: to ensure that energy-saving cascade principle with variable speed fans. Most of the investment produces the maximum benefit, it split-system air conditioners are expected to be running is important that energy-saving policy and its continuously as these are not controlled by any central implementation is properly managed. Formal system. The building management system (BMS) allocation of responsibility for this area is essential, provides the basic control of the HVAC. and one of the building management team should also Lighting: the basic lighting level of around 300 lux be designated as the energy manager, whose first task in most of the store is typical of the expected level, and should be the formation of an energy working group to the modern fittings have a high light output per watt. further devolve responsibility for energy management Automatic light-level controls are fitted on the shop floor to individual areas with clear consumption targets and and PIR detectors are fitted in the staff areas, although monitoring with adjustment for degree days. > www.cibsejournal.com October 2010 CIBSE Journal 45 CIBSEoct10 pp44-46, 48 Sainsburys.indd 45 23/9/10 16:39:30 Energy efficiency Supermarket case study Enter the CIBSE Building Performance Awards Have you worked on a new- build project completed in the past year, which you think sets high standards for energy efficiency and sustainability? Or perhaps you have worked on a refurbishment project that successfully reduced energy use in a building? If so, make sure your project gets the recognition it deserves and enter the CIBSE Building Performance Awards. There are 13 categories this year – including New Build Project of the Year, Refurbishment Project of the Year, and Building Operation – and judges will be looking for buildings that have combined construction materials with low carbon and renewable technologies to improve building performance and reduce carbon emissions. They will also be looking to ensure that they meet the high levels of comfort required by the building occupants. The closing date is 8 October 2010. For the full list of categories, and the entry criteria, along with entry forms visit: www.cibseawards.org working areas and plant rooms. The latter areas should be visited to identify potential problems with equipment and control systems. Actions taken by the organisation to reduce energy consumption should be publicised via notice boards to assist in improving the levels of awareness at the site. • Sub-meters: the bakery and IT servers are a significant electricity use and currently operate as required with little oversight on their use. Installing sub-meters that can be read automatically, along with other meters on site, with usage information provided to the store Energy-efficiency measures at > • Regular reviews: once initial energy-saving measures manager would enable staff to see how the use was the new store have had a big are in place, the organisation should conduct regular related to operational requirements. A reduction impact on CO2 emissions reviews, which should cover both management and plan, such as shutting down ovens when not required technical opportunities and should record all activities and ensuring IT servers are correctly cooled, with that will have an impact on energy consumption. They appropriate savings targets, could then be put in place should also identify further opportunities for energy to reduce this use. saving. The reviews should be completed both during • Lamp replacement: The plant rooms and some staff working group meetings and site tours covering areas are continuously lit with standard fluorescent > Table 1: Short- and medium-term energy-saving measures Electricity Biomass Carbon Cost Guide Simple Refer to savings savings dioxide saving price payback report estimate estimate saving (£/yr) (£) period (yrs) section (kWh/yr) (kWh/yr) (te CO2/yr) Shorter-term payback measures: Reinforce existing energy management practices and staff awareness 50,440 10,000 27 3,600 1,000 0.3 9.1 Bakery and server room sub-metering 14,600 0 8 1,100 1,500 1.4 9.2 Sub total 65,040 10,000 35 4,700 2,500 0.5 Medium-term payback measures Lighting level review and reduction 4,790 3 350 1,320 3.8 9.3 Install variable speed drives 17,400 9 1,300 6,000 4.6 9.4 Sub total 22,190 0 12 1,650 7,320 4.4 TOTAL 87,230 10,000 47 6,350 9,820 1.5 46 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp44-46, 48 Sainsburys.indd 46 24/9/10 15:41:39 LST Radiators Range of Low Surface Temperature radiator models to suit all budgets and applications IMPACT FRIENDLY ROUNDED EDGE Easy installation – ready assembled BSRIA tested outputs and surface temperatures SteriTouch® antimicrobial surfaces as standard Energy efficient copper aluminium emitters Attractive yet functional design ANTI LIGATURE NEW & VERTICAL SECURITY WALL SAVING DESIGN FEATURES CORNER & CONTINUOUS DESIGNS Call 01787 274135 www.autron.co.uk Cleaner Greener TT - the latest addition to Lochinvar’s range of High Efficiency gas fired Condensing Boilers. 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NEW PRODUCT For details, call us on + 44 (0)1295 269981 email [email protected] or visit www.lochinvar.ltd.uk Lochinvar Ltd 7 Lombard Way The MXL Centre Banbury Oxon OX16 4TJ www.cibsejournal.com October 2010 CIBSE Journal 47 p47_CIBSEMagOct10.indd 47 20/9/10 15:10:30 Energy efficiency Supermarket case study Table 2: Summary of energy use, emissions, costs and energy certificate performance showing the effect of improvements Electricity Biomass CO2 Cost Emissions DEC EPC 2 (kWh/yr) (kWh/yr) (te CO2/yr) (£/yr) (kg CO2/m grade grade Annual energy consumption 2009 1,019,343 200,920 552 79,600 173.1 83 / D 42 / B Server room and bakery consumption as assessed 116,884 0 63 8,400 20.3 ANALYSIS RELATIVE TO CONSUMPTION EXCLUDING SERVER ROOM Consumption excluding bakery and server room 902,459 200,920 490 71,200 158.3 76 / D 42 / B Total effect of short-term measures 65,040 10,000 35 5,000 11.4 Consumption following shorter-term measures 837,419 190,920 454 66,200 146.9 71 / C 40 / E Improvement from shorter-term measures - 7% - 5% - 7% - 7% - 7% Total effect medium-term measures 22,190 0 12 1,600 3.9 Consumption as improved after all measures in Table 1 815,229 190,920 443 64,600 143.1 69 / C 37 / D Improvement from all measures in Table 1 - 10% - 5% - 10% - 9% - 10% Effect of longer-term measures (Table 2) Installation of solar photovoltaic (PV) panels: 1,600 1 800 0.3 0 0 0.0 Consumption as improved including longer term measures 813,629 190,920 442 63,800 142.8 69 / C 37 / D Improvement from all measures including longer term - 10% - 5% - 10% - 10% - 10% Supporting data Floor area for DEC calculation including server room and bakery 3,192 m2 Floor area for DEC calculation when server room and bakery is excluded 3,093 m2 Benchmarks adjusted & using DEC intensities (kWh/m2) 371 99 206.5 Unit cost (p/kWh) 7.20 3.10 Annual standing charges excluded from costs above £640 £640 CO2 intensities (kg/kWh) for this report generally 0.537 0.025 CO2 intensities (kg/kWh) for DEC certification only 0.550 0.025 > tubes in surface-mounted luminaires. The replacement the on-site wind turbine provides a significant energy- of these fittings with modern high-efficiency units reduction facility that works well in its location. cannot normally be justified through energy savings, The analysis here also underlines the importance of but adaptor kits are now available that enable the tube staff education and their continuing involvement in the and starter to be replaced with an electronic high processes available for keeping energy usage as low as frequency unit and a high output T5 tube. These tubes possible within the necessary operations of a building. have the same light output as T8 tubes, but have much As well as providing organisational structures to lower power consumption. enable staff to become ‘champions’ of energy-efficiency • Variable speed drives: the two existing air handling and the need for ongoing energy management, the units in the main plant room provide heating and suggested changes also extend to providing shopfloor cooling to the shop floor using recycled heat from the workers with more means to monitor and control their refrigerators and recycled cooling from the shop floor particular area of the building – such as installing sub- with flow rates of 7 cu m/s and 3.5 cu m/s. Variable meters in the bakery. speed drives (VSD) on these units could be used to The findings and recommendations here will, reduce air flows overnight. hopefully, provide engineering professionals and low- Using a VSD to control the extract air flow would carbon building assessors with insights that will help allow the additional winter heating or summer cooling them to provide effective energy-efficient solutions to be reduced, but there would be no loss in overall in future. l ability as the full speed capability would still be available for normal use. It is estimated that the current annual For the full survey report, go to the digital version of fan usage is around 34,950 kWh and an average 50% the October 2010 CIBSE Journal at www.cibsejournal. reduction in flow rate during out of hours would give com For the previous CIBSE-commissioned survey a saving of 17,400 kWh in the fan use with a similar published in CIBSE Journal, see the June 2010 edition, saving in chiller use. It is difficult to quantify the heating page 38, which is also on the website. To obtain a copy load due to the steady consumption of the biomass of CIBSE’s TM22: Energy Assessment and Reporting boiler. Methodology, visit www.cibse.org/bookshop Conclusion John Field and Alexandros Balaskas work for While the Dartmouth store’s energy-saving building Power Efficiency. services installations have been shown to be effective, www.powerefficiency.co.uk there is room for improvement. What is clear is that 48 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp44-46, 48 Sainsburys.indd 48 23/9/10 16:39:49 New shape, new features the new Remeha Quinta Pro Range OF WALL HUNG CONDENSING BOILERS HIGH EFFICIENCY FULLY MODULATING PREMIX BURNER CLEAN ULTRA LOW NOx 100% 110% NCV AT 40/30OC BOILER CONTROL COMBUSTION BREEAM EXCELLENT RECYCLEABLE INTERNAL LED COURTESY LIGHT MAKES SERVICING EASIER QP30: 8.0 - 31.4 kW | QP45: 8.0 - 43.0 kW | QP65: 12.0 - 65.0 kW | QP90: 14.1 - 89.5 kW | QP115: 16.6 - 114.0 kW For further information visit www.quintapro.co.uk | T: 0118 978 3434 Sustaining our future & refurbishing our past www.cibsejournal.com October 2010 CIBSE Journal 49 p49_CIBSEMagOct10.indd 49 20/9/10 15:11:31 All photos: Anna Branthwaite Anna photos: All All for one A new luxury hotel in central London has installed a range of technology aimed at providing energy efficient heating and power. Mark Jansen reports he Park Plaza Westminster Bridge is one of boilers have sufficient capacity to provide 100% of the London’s newest hotels, with over 1,000 guest hotel’s needs, acting as back-up for periods when the rooms, a 1,200 m sq ballroom and 31 meeting biomass and CHP units need maintenance. rooms. The Park Plaza hotel chain is owned Buetow argues that condensing boilers would Tby the Israel-based Red Sea Group, and most of the not have worked in condensing mode in this hotel consulting and design teams are also based in Israel. system. For a condensing boiler to work efficiently, the The heating and hot water systems were designed by temperature of the return water must typically be below Zvi Pollak Consulting Engineers. Pollak notes that ‘this 55C, he says. However, the hotel’s air conditioning is the first hotel where we have used renewables to system and the constant massive demand for hot water such an extent’. all require water at high flow temperatures. This means The heat and power used by the new hotel is delivered the return water is too hot for condensing boilers to using a range of technology, including renewables: a work effectively, he says. biomass boiler, a gas-powered combined heat and A large part of Buetow’s role on the hotel project power (CHP) system, and six gas-fired cast-iron high- was in advising how best to integrate the three energy efficiency boilers. sources – gas boilers, CHP and biomass boiler – and The 1,200 kW boilers have a seasonal efficiency the absorption chiller into one system. This involved of 86%, according to manufacturer Buderus. Joerg many calculations, particularly around pump and pipe Buetow, its senior technical product manager, says the design, as well as safety devices. All the energy sources > 50 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp50-52,54 Heating.indd 50 23/9/10 16:40:55 Commercial & industrial heating 1 Hotel case study The Park Plaza Westminster Bridge hotel (facing page) uses a system that includes a biomass boiler and combined heat and power plant (below left and right), and a series of gas-fired cast-iron boilers (above) www.cibsejournal.com October 2010 CIBSE Journal 51 CIBSEoct10 pp50-52,54 Heating.indd 51 23/9/10 16:41:12 Commercial & industrial heating 1 Hotel case study > feed into a manifold, which then distributes heat to the air conditioning, heating or hot water appliances. Each of the appliances has an optimum flow rate, depending on the demand. ‘You have to balance your system properly so that each appliance gets the right amount of water and the system can operate with minimum energy loss,’ says Buetow. Very often at other sites, he adds, over-sized pumps are installed, which results in hot water running through the pipe network too quickly, so that its heat is not transferred to the heating space effectively and the return temperature is almost the same as the flow temperature. For standard heating zones, there needs to be a difference of 10 to 15C between the flow and return temperatures to run the heating system at optimum efficiency, says Buetow. ‘You have to calculate the size of the pumps very precisely in order to achieve this.’ The heating system is adjusted to compensate for changes in the outside temperature by raising or lowering the flow temperature of the water in the pipework. Buetow says this is much more efficient than the more typical scenario of leaving heating systems to run with the same water temperature regardless of the The absorption chiller uses CHP heat to produce cold water weather, as this causes them to be switched on and off more frequently. as possible. This switching off, or ‘cycling’, greatly The hotel’s CHP system, from ENER-G, has a impairs efficiency, increases maintenance costs and 500kW heat capacity and 384kW electricity capacity lengthens the payback time for the unit. The optimum and is expected to run 6,000 to 7,000 hours a year size is normally between 10% and 20% of the total heat to maximise efficiency. Gidon Rotem, chief engineer demand, he says. at the London branch of Electra, the M&E consultant The unit runs on gas and its primary purpose is to for the project, says it is critical that CHP units are generate electricity. Rotem estimates the CHP unit is correctly sized so they are switched off as infrequently generating 10% to 15% of the hotel’s total electricity needs. With the daytime cost of electricity from the national grid at 8p to 12p per kilowatt hour, and the Off-site construction cost of generating electricity from natural gas at only saves time 3p per kilowatt hour, using the CHP unit makes a lot The hotel’s 1,000-plus bathrooms were pre- of sense. The payback period for using the CHP unit fabricated off-site using the ‘pod’ system – which is reckoned at three years. reduced construction time on the site by 14 to 16 The hotel’s biomass boiler has yet to be fully months and greatly improved the build quality, commissioned. Dave Bell, chief engineer at the hotel, according to M&E consultant on the project, says the biomass boiler will be used and the delay is Electra mainly due to the need to get other parts of the building Traditional methods of bathroom construction up and running first. Bell is exploring the possibility in hotels can lead to high levels of damage because of using dried food waste from the hotel as feedstock so many trades have to converge on a small space, for the boiler. it says. By contrast, the pods are designed with the ‘We think we’ve probably got enough food waste to ducts and pipes attached to the bathroom and the run the biomass boiler for about 10 hours a day during fan coil is mounted above the pod ceiling. the conference season [which runs 10 months of the All the installation of the fan coils and pipework year], and for about four or five hours a day when we took place at the pods’ factory. The shafts, pipes just have leisure guests in,’ says Bell. and ducts were manufactured and pressure-tested He adds that the wood pellets are ‘not overly in Israel before being shipped to the pods factory in expensive’ and could easily be bought in to supplement Newcastle, England. the feedstock derived from food waste. ‘We want to be When the pods reached the hotel construction one of the greenest hotels in London. We get a lot of site in central London, all that remained to be done enquiries from companies who ask about our green was to make the vertical connections between the policies and we are winning business on the back of shaft’s pipes and ducts. The entire hotel was built it, so it’s important for us.’ in 27 months. The absorption chiller, a 174kW capacity Broad X Non-Electric model, takes heat from the CHP and > 52 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp50-52,54 Heating.indd 52 23/9/10 16:41:36 www.cibsejournal.com October 2010 CIBSE Journal 53 p53_CIBSEMagOct10.indd 53 20/9/10 15:12:29 Commercial & industrial heating 1 Hotel case study Factfile Projected energy use and consumption Domestic hot water in guest rooms: 2,000 kWh Domestic hot water in public areas and kitchens: 1,450 kWh Spa pool: 400 kWh HVAC(heating) of public floors: 2,000 kWh HVAC (heating) of guest rooms: 2,100 kWh Total: 7,950 kWh Heating sources Boilers: 7,200 kWh (6 x 1,100 kWh) CHP: 500 kWh Biomass: 600 kWh Total: 8,300 kWh Cooling consumption HVAC (cooling) of public floors: 1,000 kWh HVAC (cooling) of guest rooms: 1,000 kWh Spa pool: 200 kWh Dave Bell (left) and Gidon Rotem take stock of hotel’s heating system, which includes six cast-iron non-condensing boilers Total: 2,200 kWh > uses it to produce cold water. This will be used in the to the electricity supply, which is essential when you Cooling source air conditioning for the hotel’s public areas and four have a luxury hotel full of paying guests. The biomass below-ground floors. boiler is attractive because the fuel is deemed to be Chillers: 5,400 kWh (4 x 1,350 kWh) Although Rotem cannot currently quantify the completely carbon neutral. These two technologies carbon savings this will achieve, he insists they will cover approximately 15% of the designed heat load Absorption chiller: 190 kWh be significant, particularly as the public areas and basement levels need to be cooled throughout the Total: 5,590 kWh winter because the lower levels are actually below We want to be one of the greenest Source: Electra ground level. Using waste heat to power the absorption (Westminster), M&E chiller is around 80% cheaper than using grid hotels in London, and we are consultant electricity, he estimates. winning business on the back of The hotel owners were keen for the building’s our green policies heating system to include the best balance of environmental benefit, low running costs and high and are designed to be the lead heat generators. The reliability. There was also a requirement to include benefit is optimised when these technologies run renewable technologies to meet the requirements for constantly for long periods. The high efficiency boilers planning permission. will only fire if demand exceeds this level. The whole The exact mix of technologies will vary from project system is controlled by the main building management to project and will depend on the exact expectations system. of the investors and the demands of the building. Because the hotel has only been open six months, Although the CHP at the hotel runs on natural gas, the building services team has yet to complete any 40% of the thermal capacity counts as renewable long-term performance measurement on the heating, because the electricity is generated without the massive cooling and hot water system. Rotem says he has wastage of centrally generated electricity. not yet had enough data relating to the hotel’s actual In a hotel where there is 24/7 demand for electricity energy consumption to compare against the design matched to a high requirement for heat (including assumptions (see factfile, left). However, he adds, first converting the heat to cooling using the absorption indications are positive, and some adjustments will be chillers), CHP is almost a must; it also gives security inevitable as the hotel goes through its first winter.l 54 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp50-52,54 Heating.indd 54 23/9/10 16:41:51 Buderus High Efficiency Commercial Heating Fuel efficient heating from 43kW - 19MW Buderus provide commercial heating expertise from planning to final commissioning, with all the quality and reliability you'd expect from a Bosch Thermotechnology brand. With over 3 million high efficiency heating systems installed throughout Europe, a comprehensive product range and over 275 years in the heating industry we are widely recognised as Europe’s largest condensing boiler manufacturer. 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Intelligent Heating Solutions Buderus is a brand name of Bosch Thermotechnology Ltd., Cotswold Way, Warndon, Worcester WR4 9SW www.cibsejournal.com October 2010 CIBSE Journal 55 p55_CIBSEMagOct10.indd 55 20/9/10 15:13:09 Your solution providers for air conditioning and refrigeration Extensive stock available for collection or timed delivery from branches across the UK including: Aberdeen, Glasgow, Gateshead, Manchester, Birmingham, Heathrow, Crayford and Fareham 0141 883 0447 www.kooltech.co.uk Schools to supermarkets, homes to hospitals All your renewable needs - under one roof Biomass Boilers Air Source Heat Pumps Ground Source Heat Pumps Solar Thermal Outputs from 30kW - 5.8MW Outputs from 6.6kW - 34.4kW Outputs from 5.4kW - 43.7kW Evacuated tubes or flat panels • Full survey, system design, planning • Energy efficient - COP up to 3.9 • Also available as water source model with • Create collector fields from 1.5m2 & installation service • Models for internal & external use outputs up to 56.8kW • Perfect for residential use • • Wide range of accessories & storage • Reversible models available with COP up to 4.7 (ground) & 6.0 (water) • Use with water heaters for • Efficiencies up to 88% cooling outputs up to 30.5kW • Cascade installations up to 15 heat pumps commercial or larger developments Call us for your renewables on 01268 546700 or online at www.mhsboilers.com/green 56 CIBSE Journal October 2010 www.cibsejournal.com p56_CIBSEMagOct10.indd 56 22/9/10 08:23:54 Industrial & Commercial Heating 2 Fuel cells The power of hydrogen A hydrogen fuel cell is being used to provide power for a TfL/Logan Energy TfL/Logan trigeneration facility, installed during a fit-out of an office building used by Transport for London. Kevin Stanley lifts the lid on the system ydrogen fuel cells are commonly associated with the automotive and space industries. But they are also appropriate for providing energy for buildings. When Transport for HLondon (TfL) was looking to develop a location for head office staff at Palestra in central London, it decided to install a combined cooling, heating and power (CCHP) facility as part of the fit-out of the building. Detailed feasibility and viability studies suggested that a hydrogen fuel cell would be the logical choice to provide sustainable energy for Palestra. The aim was to deliver the UK’s largest building-integrated fuel cell CHP as part of a 1MW trigeneration scheme. The fuel acts like a giant battery, with the hydrogen extracted from the natural gas supply and oxygen from the air supplied to the fuel cell stack, made of plates separated by an electrolyte medium. The resultant electrochemical process has an output of DC electricity, which is fed into the building via an inverter providing a stable supply for the building’s IT equipment. The hydrogen for the fuel cell is created in a chemical process from the mains natural gas supply by a reformer built into the unit. There are losses associated with this process, but it is hoped that these will be offset by the efficiency of a device with virtually no moving parts compared with a conventional reciprocating engine CHP (RECHP). Says Andy Stanton, head of sustainable buildings at TfL: ‘The unit we visited in Germany was actually fed by gas from a large anaerobic digester composting local food waste.’ The fuel cell has two heat output streams, one that feeds a thermal storage vessel supplying the building’s heating and an absorption chiller, and a second that pre-heats the building hot water. Another by-product is pure water, most of which is reused in the hydrogen > The hydrogen storage tank at Palestra, the central London office refitted for Transport for London www.cibsejournal.com October 2010 CIBSE Journal 57 CIBSEoct10 pp57-58,60 Hydroden.indd 57 23/9/10 16:47:26 Industrial & Commercial Heating 2 Fuel cells TfL/Logan Energy TfL/Logan The ground-floor installation > reformer, but with the remainder topping up a newly one of its routes in central London in 2006. A new fleet of the CHP unit gave TfL installed rainwater harvesting system that is used to of fuel cell buses are due to hit the London streets this an opportunity to put the flush toilets. Autumn. The technology is also relatively mature in technology on public display TfL worked closely with the London Hydrogen Europe and the US, with the number of installations Partnership to research the fuel-cell market, visiting running into the hundreds. manufacturers and installations in the UK and As TfL found in its research, a wide range of building Germany, before carrying out further studies and types are appropriate for fuel cells, which are present computer thermal modelling to define suitability. in hospitals, manufacturing plant, data centres and commercial buildings. Ease of installation TfL worked closely with the The fuel cell system at Palestra presented few London Hydrogen Partnership to installation challenges, says Stanton. ‘It was fairly research the fuel cell market, visiting straightforward, much the same as any building services installation such as a large gas boiler or manufacturers and installations in conventional CHP, with connections to gas, water, the UK and Germany electricity supplies and building monitoring systems all fairly standard. The fuel cell chosen, manufactured by UTC in the ‘The challenges were mainly around physically US and supplied by Logan Energy, was chosen for installing a piece of plant in an existing building, and its technical capability, commercial readiness and as usual with building services projects, integrating electrical and heat output. Technical support for the metering and building management systems.’ project from an experienced contractor, through the The installation was simplified by locating it at design and installation phase, was also a key factor. ground-floor level in a reinforced-glass unit known For TfL the choice of a fuel cell was logical, mirroring as the ‘pod’ because of its organic curved shape. The the technology used in the hydrogen buses TfL ran on opportunity to create a public display energy centre > 58 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp57-58,60 Hydroden.indd 58 23/9/10 16:49:38 Menlo3 Freedom to create with the power to comply Menlo³ is our powerful new range of modular fluorescent luminaires designed to meet the challenges of modern office lighting design with style and imagination. 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UÊ3 mounting options: recessed; semi-recessed and surface. www.thornlighting.co.uk www.cibsejournal.com October 2010 CIBSE Journal 59 p59_CIBSEMagOct10.indd 59 20/9/10 15:16:33 Industrial & Commercial Heating 2 Fuel cells involved in the transportation and filling of gaseous or liquid hydrogen. ‘Moreover a large investment in infrastructure would be required to fuel vehicles and energy plant.’ Despite this, Spires does believe that fuel cell technology in itself has real potential, because it Pinniger and Partner Lighting Design Lighting Partner and Pinniger can ‘process energy in a cleaner and more efficient way by using more of the stored energy of the fuel in generating electricity than traditional combustion reaction generators’. Sarah Royse at consultancy Inbuilt adds: ‘There are still many unanswered questions regarding hydrogen fuel cells – not only the energy conversion and thermodynamic implications related to the fuel cell operation, but also how the hydrogen is derived and the losses associated with its storage and distribution. The jury is still out – the TfL installation will provide invaluable evidence.’ The fuel cell is located in a > at street level, with the fuel cell CHP as its focus, In fact, the fuel cell system was fitted with pod-like room on the ground fitted perfectly with TfL’s remit to share the buildings independent metering to monitor not only electrical floor of Palestra sustainability credentials and design with the public, energy delivered to the building and gas consumption, says Stanton. but also heat rejected by the system, providing a The fact that the fuel cell weighs around 22 tonnes complete ‘picture’ of the system performance – which also made locating the unit at ground-floor level, is vital to measuring performance with the CHPQa rather than hoisting it to the roof, a more attractive scheme (see box below). proposition. The system is being monitored by building The system is capable of providing 200kWe and maintenance staff. Stanton says that TfL hopes to have approximately 263kWth energy to the building services comprehensive data available on the performance of installations, operating at a system efficiency of 36%. the fuel some time in the future, ‘once all metering is in It is anticipated the figure will reduce over the life of place and a truly representative spread of consumption the equipment. relating to building occupation is available’. l Pros and cons Phil Jones, chairman, of the CIBSE CHP Group, says that, despite some concerns over their high capital cost, CHP Quality assurance fuel cells may present one of the transition technologies When Transport for London (TfL) acquired the head to the hydrogen economy: ‘Fuel cells could be the way lease of Palestra and nine floors of the building, its forward for CHP in buildings and it’s great to see brief to the design team was to take the BREEAM rating from ‘Very Good’ to ‘Excellent’. As part of that, the team had to install a significant trigeneration There are still many unanswered system, not only to reduce running costs during the questions regarding hydrogen lease period, but also to meet specific Mayoral targets for Greater London Authority buildings in particular. fuel cells – the TfL installation will Detailed feasibility and viability studies used by provide invaluable evidence Transport for London suggested that a combined – Sarah Royse heat and power (CHP) system, thermal storage and an absorption chiller installed in the building TfL taking a lead in demonstrating this cutting-edge could meet a significant proportion of the building’s technology,’ he commented. electricity, heating and cooling needs, as well as ‘Fuel cells have relatively high efficiencies, good significantly reducing energy cost and carbon heat-to-power ratios, no moving parts and they are emissions. noise-free. Importantly, fuel cells can be fired on a wide A key part of the brief was a requirement of the range of fuels. In my view it’s probably one of the most trigeneration scheme to meet the quality assurance important technologies for providing heat, cooling and scheme (CHPQa) standard to ensure a minimum, power in buildings in the future.’ audited level of performance and efficiency. The However, Brian Spires of HLM Architects says initial phase of this certification has been completed, hydrogen fuel cells for buildings have their practical resulting in a rebate of the climate change levy on problems: ‘The drawbacks of hydrogen are numerous. gas used in the building’s CHP systems, says Andy It has low energy content per unit volume, high tankage Stanton of TfL. weights, issues with storage, and there are difficulties 60 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp57-58,60 Hydroden.indd 60 23/9/10 16:53:57 HVCA Business Plus. 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Supporting the employer Freephone: 0800 195 80 80 Or visit www.welplan.co.uk Private Medical Insurance • Employee Assistance Programmes • Health Assessments Death In Service • Pensions • Life Cover • Disability Cover • Sickness Benefit • Holiday Pay Scheme 62 CIBSE Journal October 2010 www.cibsejournal.com p62_CIBSEMagOct10.indd 62 22/9/10 08:24:19 Design masterclass 3 Air movement Heady mix Masterclass Professor Doug King In his third masterclass, Professor Doug King looks King Doug of courtesty diagrams and images All at some of the mechanics of room air movement hen we are designing ventilation or air conditioning systems, it is important to find an efficient means of delivering fresh or conditioned air to the room, and, Wensuring even distribution without causing discomfort due to draughts or temperature fluctuations. There are two principal means of air delivery: mixing ventilation and displacement ventilation. Mixing ventilation, as its name suggests, aims to achieve a mixed condition so that the air quality and temperature is uniform throughout the room. This is accomplished by introducing the supply air with sufficient momentum to stir up the air in the room. The supply air becomes thoroughly mixed with the room air within a short distance from the supply grille, which means that we can use greater temperature differentials in order to deliver heating or cooling into the space. Displacement ventilation uses the natural convection generated by heat sources within the room to create the air movement without mixing. The supply air is introduced at close to the desired room condition, directly to the occupied zone, whilst overheated air convects away for extraction at ceiling level. It is worth understanding the mechanics of room core of the jet. In this turbulent boundary some of the Turbulent flows dominate air movement, as this allows us to quickly assess the room air is entrained into the jet and dragged along most ventilation scenarios. Here a buoyant plume is likely success of ventilation systems without needing with it. This causes the jet to expand conically but, as created when air rising by to resort to in-depth analysis. Essentially, we need the mass of moving air increases, the velocity decreases stack effect expands into to know whether our air movement is turbulent, in order to conserve momentum. After some distance a wider space above the creating mixing, or laminar, when simple convection the turbulence penetrates the core of the jet and balcony rail. The smoke will dominate. the jet velocity decays rapidly with further distance. reveals the turbulence at the boundary layer When air is introduced through an orifice from a Empirically it has been determined that the angle of high-pressure zone into a low-pressure zone, as in any expansion of a jet is constant at 11.8C. Now, due to the mechanical ventilation system, it forms a characteristic conservation of momentum, the mean jet velocity at flow pattern, known as a jet (see Figure 1). At the edges a distance from the orifice is inversely proportional to of the jet, the moving air interacts with the stationary the mass of air it contains, which is proportional to its room air, creating a ring of vortices around the laminar cross-sectional area. > www.cibsejournal.com October 2010 CIBSE Journal 63 CIBSEoct10 pp63-65 Masterclass.indd 63 23/9/10 16:46:12 > Therefore, knowing the angle for expansion allows us to perform simple calculations on the jet such as the distance travelled before the mean velocity drops to an imperceptible level. Similarly, if the supply air is initially at a different temperature to the room air, the entrainment will also change the temperature of the jet along its length due to mixing, and we can estimate the mixed-jet temperature using the same rule of thumb. An isothermal jet in free air will travel in a straight line. As air is entrained into the jet there must be momentum perpendicular to the jet axis, as indicated by the inward streamlines in Figure 1. As the entrainment occurs equally from all directions, these momentums balance, satisfying conservation of momentum and creating an all-round pressure that constrains the jet to travel in a straight line. A jet at a different temperature to the room air will still expand at the same rate as an isothermal jet, but its axis will follow a trajectory dictated by the buoyancy of the air in the jet relative to the surrounding air. A buoyant plume is very similar to a jet in its characteristics, being a stream of air from an orifice Figure 1: A jet is a stream of air created by a pressure difference across an orifice, as whose propagation into the room is driven by a in most supply air situations, even a breeze through an open window. The jet has a temperature difference rather than pressure (see turbulent interface with the static air through which it passes, resulting in mixing Figure 2). A buoyant plume has the same turbulent between the two air masses mixing at the boundary layer, although with a slightly reduced angle of expansion of 10.6C. It is rare to find genuine plumes in ventilation systems as the air is almost always introduced to the room with some pressure difference. Plumes may, however, be encountered in natural ventilation design, for instance where a room has an opening roof-light admitting cool air. Plumes were also sometimes used to introduce mixing ventilation in Victorian theatres, where there was sufficient headroom for cool air to mix with room air before entering the occupied zone. The aim of air conditioning design, particularly in cooling, is to ensure that the supply air jet has adequately mixed with the room air and its velocity has decayed sufficiently so that it does not give rise to discomfort through cold draughts. One well-established way to increase the distance travelled by a jet or plume is to use the ceiling effect. It has been observed that if a cold supply grill is located close to a ceiling, the resulting jet travels further before succumbing to negative buoyancy (see Figure 3). If a jet is introduced close to a surface, it tends to attach to the surface and expand more slowly, travelling further than a jet in free field. As the jet propagates, it Figure 2: A buoyant plume (left) is similar to a jet, but is created when air passes is unable to expand in all directions; it is constrained through an orifice driven by a difference in density. A laminar plume (right) occurs by the surface on one side, but expands freely in the when the change in density is caused by a heat source within the room opposite direction. As room air is only being entrained into the jet from one direction, this results in unbalanced momentum, creating a pressure that keeps the jet pressed against the surface. This unbalanced momentum probably has as much to do with jet attachment to surfaces as the Coanda Effect, the tendency of a flowing fluid to follow a surface. 64 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp63-65 Masterclass.indd 64 23/9/10 16:46:27 Design masterclass 3 Air movement Now let’s look at laminar flows. When a heat source is introduced into a room, we observe natural convection as air around the source is warmed, becomes buoyant and rises. Air is drawn in from the surroundings to replace the air displaced by convection. This creates a laminar plume which, following the same laws for the conservation of momentum, accelerates as it rises and contracts, but does not involve any turbulent mixing with the room air (Figure 2). This is the source of room air movement in a displacement ventilation system. However, the method of introducing the supply air is critical to ensure that the displacement effect works correctly. In many instances the grilles chosen for displacement systems are too small, and thus introduce the air with a pressure difference creating a turbulent The method of introducing the supply air is critical to ensure that the displacement effect works correctly jet. Similarly, if supply air is too cold in relation to the room air, it is possible to create a buoyant plume, again creating turbulent mixing and upsetting the Figure 3: A jet at a different temperature to the room air is subject to gravity: its laminar flows. path is determined by its buoyancy. The ceiling effect is often used to overcome the The choice between mixing and displacement negative buoyancy of cold supply air ventilation and the location of supply air grilles can depend on a large number of variables. So having a brief understanding of the nature of turbulent and laminar flows allows us to quickly assess the likely room conditions from a proposed ventilation solution. This saves us having to know the final grille selections in order to use manufacturer’s nomograms; nor do we need to spend time on complex computational fluid dynamics (CFD) analysis in the early stages of a design. l © Doug King 2010 DESIGN MASTERCLASSES IN CIBSE JOURNAL Doug King is principal of King Shaw Associates and The first two Design Masterclasses in this series were published in the June and Visiting Professor of Building Physics at Bath University August editions of CIBSE Journal and can be accessed online at www.cibsejournal.com CMR AIR MANAGEMENT SYSTEMS Sizes 80 - 100 - 160 - 200 - 250 -315 - 400 Operating Pressure from 50 to 750 Pa Accuracy and repeatability within 3% Response time instantly Field adjustable set point or motorised Air dampening shock absorber standard No hunting of the damper action Rubber seal push in fitting for easy installation PRECISION COMPONENTS FOR VENTILATION AND PROCESS AIR CONTROL Fast acting constant CMR CONTROLS Ltd 22 Repton Court Repton Close Tel +44 (0) 1268 287222 volume valves Basildon Essex SS13 1LN GB Fax +44 (0) 1268 287099 CMR Website : http://www.cmr.co.uk e-mail: [email protected] www.cibsejournal.com October 2010 CIBSE Journal 65 CIBSEoct10 pp63-65 Masterclass.indd 65 23/9/10 16:46:56 So much power. So little space. Eurocondense three. Scaling new heights. Introducing the NEW “Smaller Footprint” condensing boiler from Potterton Commercial. Established values. Leading edge technology. Baxi Commercial Division 0845 070 1055 www.pottertoncommercial.co.uk 66 CIBSE Journal October 2010 www.cibsejournal.com p66_CIBSEMagOct10.indd 66 20/9/10 15:21:37 CPD Programme CPD Programme The CIBSE Journal CPD Programme programme is free and can be used by any Members of the Chartered Institution of reader. It is organised jointly by CIBSE Journal Building Services Engineers (CIBSE) and other and London South Bank University, and will professional bodies are required to maintain help you to meet CIBSE’s requirement for their professional competence throughout CPD. It will equally assist members of other their careers. Continuing professional institutions, who should record CPD activities development (CPD) means the systematic in accordance with their institution’s guidance. maintenance, improvement and broadening Simply study the module and complete the of your knowledge and skills, and is therefore questionnaire on the final page, following the a long-term commitment to enhancing your instructions for its submission. Modules will competence. CPD is a requirement of both remain available online at www.cibsejournal. CIBSE and the Register of the Engineering com/cpd while the information they contain Council (UK). remains current. You can also complete the CIBSE Journal is pleased to offer this questionnaire online, and receive your results module in its CPD programme. The by return email. Gas-absorption heat pumps This CPD module introduces the application of gas absorption heat pumps for large residential (for example hostels and group housing), institutional and commercial properties, for use in both heating and hot water generation applications. This is a technology that has been available for some time, but interest in the new-build sector appears to be rejuvenated due to the potentially high efficiencies and low environmental impact of this innovative application of well-established technology here is growing pressure on the improve the environmental performance significantly above that provided by the building services industry from of products throughout the lifecycle gas input. The output from the heat pump architect, building services engineer, by ensuring that there is a systematic can be used to supply low-temperature contractor, equipment supplier integration of environmental aspects during hot water for space heating and/or for the andT end-user to deliver heating and hot product design. production of domestic hot water via an water solutions with ever-increasing In the UK there is also a need to work indirect cylinder, similar to a traditional system efficiencies. There is a move away towards zero carbon homes in 2016 and zero boiler. Ground-sourced gas-absorption heat from focusing on appliance efficiency to carbon non-domestic buildings in 2019, pumps are based on the same principle of overall system efficiency, and to lifecycle which, enforced through local buildings operation, except that the energy collected environmental impact of products and codes and regulations, will also drive the from a ground loop (trenches or bore holes) solutions. This is also being driven by the new applications of heating technology. is used to augment the heat generated by the Eco-Design of Energy Using Products (EuP) combusting gas to produce highly effective Directive – likely to be implemented across Principle of operation fuel efficiencies (in just the same way as the whole of Europe within the next three With traditional air-to-water heat pumps, with electrically powered ground source years – which demands exceptionally high electricity is used to power an induction heat pumps). minimum system efficiencies within two motor that drives the refrigeration The gas-absorption heat pump comprises years of its introduction. compressor. Air-sourced gas-absorption a sealed thermodynamic circuit, normally The directive estimates that more than heat pumps use a gas burner to drive the containing an ammonia water solution that 80% of product-related environmental refrigeration cycle, which draws on the acts as the working fluid, with ammonia impacts are determined during the design available energy from the surrounding being the refrigerant and water the absorbent. phase of a product. Eco-design aims to ambient air to increase the thermal output Traditional air-to-water electric heat pumps > www.cibsejournal.com October 2010 CIBSE Journal 67 CIBSEoct10 pp67-70 CPD.indd 67 9/23/10 3:32:59 PM CPD Programme > typically use modern fluorinated refrigerants Defrosting valve (such as the HFCs R407C and R410A) that, although less damaging than the previously Evaporator 50˚C used CFCs, still have a signicant global warming potential (GWP). Ammonia, a naturally forming chemical, offers no harmful effects to the ozone layer. Generator The ammonia water working fluid has zero ozone depletion potential (ODP) and zero pipe in Pipe Condenser/Absorber Absorber/Regenerator GWP. Apart from the intrinsic environmental Burner 40˚C benefits, a low GWP also provides a credit when assessing BREEAM (Building Research Establishment Environmental Assessment Solution pump Methodology) ratings for the building; and similarly the lack of CFC will ensure that the Energy and Atmosphere prerequisite for the LEED (Leadership in Energy & Weak Strong Refrigerant Refrigerating Hot water Environmental Design) rating system’s solution solution vapour fluid Fundamental Refrigerant Management will Figure 1: Internal thermodynamic cycle of a gas-absorption heat pump be satisfied, [1]. Ammonia refrigerant is toxic and exchanger called the ‘absorber’, which is at boilers for space heating applications. As the flammable. However, the commercially low pressure. It is here that the ammonia heat pump is typically designed for outdoor available units are designed for outdoor vapour and water join up again generating installations, the plant room size could be installation. The heat pumps contain a fully further heat as they combine. The heat is reduced, thereby offering space efficiency as sealed ammonia circuit, with no need for extracted in the condenser/absorber section well as fuel efficiency. An example of a 41kW any contact with the fluid during operation to improve system efficiency. The now cool heat pump is shown in Figure 3. or servicing. The risk of hazardous ammonia low-pressure mixture is pumped back to As with most types of heat pumps, the escape is therefore significantly reduced. the generator, using the solution pump to optimum performance available from gas- Considering the circuit shown in Figure complete the process. absorption heat pumps is achieved when 1 with reference to the bottom right of the The water (from the building heating supplying low temperature loads such diagram, the condensed refrigerant is circuit or coil of an indirect cylinder) is as underfloor heating. Here water outlet expanded and enters the evaporator at a raised in temperature, which in this case temperatures at, for example, 35C to 45C are relatively low temperature and pressure. is by 10K. The water used as an absorbent more appropriate for heat pumps compared Heat is thus drawn into the system from is quite separate from that circulating in with traditional radiator circuits requiring the surrounding air by the ‘evaporator’ as the heating system. (For a more complete temperatures around 80C. the ammonia evaporates (the evaporator is description of the absorption refrigeration Gas-absorption heat pumps are also shown diagrammatically wrapping around system, see the CIBSE Journal CPD article capable of producing domestic hot water with the other components – this can be seen from November 2009 – available online at temperatures in excess of 65C via an indirect more clearly in the sectional diagram of a www.cibsejournal.com). cylinder, in a similar manner to conventional production unit in Figure 2). commercial boilers. However, the efficiency Heat is also added into the system by Applications would be significantly reduced to reach the gas burner as it heats the refrigerant Gas-absorption heat pumps can be utilised required storage temperatures for the potable and absorbent solution in the ‘generator’ – in schemes that would traditionally use (or domestic) hot water to prevent risks from this should ideally be configured to allow legionella bacteria. (See section 5 of CIBSE condensing of the combustion gases to TM13 [2] and HSE ACoP L8 [3] for guidance maximise performance. This heat is being on averting the risk of Legionnaire’s disease) used to ‘boil out’ the ammonia from solution, For larger load applications it is possible to so that the now higher temperature and connect multiple gas-absorption heat pumps higher pressure ammonia vapour can pass to ‘cascade’ through the use of a digital into the top of the ‘condenser’ (that is shown controller. In the case of some products this combined with the systems ‘absorber’) and can allow the linking of many units to provide exchange heat to the return water from the total installed capacity of several megawatts. heating system (shown in this example at Using appropriate controls, it is possible 40C) so that the ammonia condenses and to design and install a system where a returns via the expansion device back to the combination of gas absorption heat pumps low pressure evaporator (to receive more heat and commercial boilers are used i.e. bivalent from the surrounding air). systems. Here the gas absorption heat pump At the same time, the absorbent (water) capacity may be selected to match the base from the generator, after the refrigerant Figure 2 : Internal view of a gas-absorption thermal load of the building, as a technology to is boiled out, continues to another heat heat pump contribute to achieving a low carbon footprint. 68 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp67-70 CPD.indd 68 9/23/10 3:33:11 PM CPD Programme Air Temp Water Heat Fuel Input Gross CV Gross Fuel Efficiency Electricity Net Efficiency EuP Rating (˚C) Temp Output (m3/hour) of Gas Input (kW) Gross CV Consumption Gross CV of Directive (˚C) (kW) (MJ/m3) of Fuel (kWe) Fuel Benchmark 7 35 41.2 2.62 38.5 28.0 147.1% 1.09 143.3% >132% A+++ 7 50 38.3 2.62 38.5 28.0 136.8% 1.09 132.9% >132% A+++ 7 65 30.0 2.62 38.5 28.0 107.1% 1.09 103.3% >100% A+ -7 50 31.5 2.62 38.5 28.0 112.5% 1.09 108.6% >100% A+ Table 1: Efficiency table for a 41kW-rated gas-absorption heat pump The commercial boilers would operate in the Conclusion event that the thermal load exceeds the heat Gas-absorption heat pumps offer an pump output. Alternatively the heat pumps innovative, high-efficiency solution for low- could be sized for the lower grade heat loads grade heating and hot water generation (underfloor heating and hot water pre-heat) solutions, whether used on their own or with the commercial boilers serving the in conjunction with commercial boilers; higher temperature radiator circuits or main and their use can contribute to reduced hot water calorifier. An example application of carbon emissions and improved building a gas absorption heat pump supplying heating environmental ratings. With the increasing and domestic hot water is shown in Figure 4. pressure being applied to the UK heating and ventilating sector to deliver solutions Gas-absorption heat pump with higher efficiencies and a lower carbon performance footprint, gas-absorption heat pumps have Gas-absorption heat pumps deliver a high the potential to provide part of the solution. level of fuel efficiency during operation, © Tim Dwyer and Yan Evans compared to traditional heating boiler plant, Figure 3: A commercial gas-absorption heat pump if used with lower load temperatures of References: around 35C. Higher efficiencies can still be By combining the energy available from 1. The Leadership in Energy and achieved at load temperatures of up to 50C. natural gas with that extracted from the Environmental Design (LEED) 2009 During operation, the refrigerant cycle uses surrounding ambient air, gas-absorption heat for New Construction and Major natural gas (or LPG or, potentially, biogas) pumps offer extremely high fuel efficiencies. Renovations Rating System. assisted by the energy in the air, rather than For example, with an ambient air temperature www.usgbc.org/ShowFile. electricity to provide heat. As the carbon of 7C and a water load temperature of 35C, a aspx?DocumentID=7244 Accessed emission factor for gas is lower than grid- heat pump efficiency of around 143% can 24/8/2010 supplied electricity,(grid supplied electricity be achieved. This is the efficiency using the 2. TM13 2002: Minimising the Risk of = 0.544 kgCO2/kWh and natural gas = gross calorific value of natural gas and after Legionnaire’s Disease. CIBSE, 2002 0.184 kgCO2/kWh [4],) improved emission deduction of the parasitic loss (ie the solution 3. ACoP L8 – Legionnaire’s disease: the reduction benefits are offered, compared with pump, fans and controls energy use). If applied control of legionella bacteria in water traditional electric heat pumps. Ongoing heat- in the appropriate manner, they have the ability systems. HSE, 2000 pump operating costs are also lower. to deliver fuel efficiencies that attain the A+++ 4. Conversion factors – Energy and carbon The starting current of a gas absorption level, which is likely to be defined under the conversions – 2009 update. heat pump is considerably lower compared EuP Directive. Carbon Trust, 2010 with more conventional ground and air- Outdoor source heat pumps, reducing the reliance Room Thermostats Weather on local electricity supply infrastructure. Sensor There is no compressor used within the Temperature Control Regulator refrigeration cycle – the solution pump (see Figure 1) used within the system to raise the solution pressure only consumes a small quantity of electricity; for example, for a 41kW System Pumps Expansion gas-absorption heat pump, the electricity Vessel requirements for the solution pump is only around 1.1kW. Primary Pump Overall gas-absorption heat pump Gas red heat pump performance is measured in efficiency terms, and not simply the traditional coefficient of performance (COP). Table 1 outlines the Direct Buffer Indirect Domestic Cylinder performance of an example unit when used Hot Water Cylinder with different ambient air temperatures and water flow temperatures. Figure 4: Schematic of example system www.cibsejournal.com October 2010 CIBSE Journal 69 CIBSEoct10 pp67-70 CPD.indd 69 9/23/10 3:33:23 PM CPD Programme Module 21 October 2010 ______ 1) What is the closest value to the global warming potential Name (please print)...... of ammonia? Job title...... A 0 B 10 Organisation...... C 100 Address...... D 1,000 E 1,500 ...... ...... 2) Which of the following is least likely to be true? A Ammonia has a zero ODP Postcode...... B R410A has a significant GWP Email ...... C Currently natural gas has a carbon emission factor about a third of that of grid supplied electricity Are you a member of: D Water is used as the refrigerant in the ammonia-water absorption system CIBSE E In the example heat pump, less than 3% of the input energy If so, please state your membership number is electrical (if available)...... 3) What section of the absorption heat pump extracts heat from the ambient air? Other institution A Absorber (please state)...... B Condenser C Evaporator To help us develop future CPD modules, please indicate your D Expansion Device primary job activity: E Generator Building services engineer Mechanical engineer 4) What overall efficiency provides an A+++ designation under the Electrical engineer proposed EuP Directive? Commissioning engineer Energy manager A 100% Facilities manager B 116% Other (please give details)...... C 132% If you do NOT wish to receive information about Potterton D 143% Commercial and Andrews Water Heaters, the sponsors of this CPD E 149% module, please tick here: By entering your details above, you agree that CIBSE may contact you from time to time with 5) What overall efficiency does the article suggest is possible for an information about CPD and other training or professional development programmes, and about membership of CIBSE if you are not currently a member. absorption heat pump with an ambient air temperature of 7C and a water load temperature of 35C? Please go to www.cibsejournal.com/cpd to complete this A 100% questionnaire online. You will receive notification by email of B 116% successful completion, which can then be used to validate your CPD records in accordance with your institution’s guidance. C 132% D 143% Alternatively, you can fill in this page and post to: . N Hurley, CIBSE, 222 Balham High Road, London, SW12 9BS E 149% 70 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp67-70 CPD.indd 70 9/23/10 3:33:33 PM 34% LESS CARBON EMISSIONS Speak to ENER-G for your 2020 vision for carbon reduction Reduce your carbon footprint and energy costs Our extended range of combined heat and power (CHP) units between 4kW and 2MW offers a highly efficient Contact us for more information: and affordable solution for on-site power generation. ENER-G Combined Power Ltd With CHP you can achieve more sustainable buildings with reduced carbon emissions and energy costs in Tel: 0161 745 7450 both the commercial and industrial sectors. E-mail: [email protected] Focus on sustainability in the built environment 1776_0810AS New titles from IHS BRE Press Energy efficiency in new and existing buildings: from IHS BRE Press from comparative costs and CO2 savings NEW How does the energy efficiency of new and existing buildings compare? This report considers the relative impact on UK CO2 savings targets of constructing new zero-carbon buildings as opposed to improving the energy efficiency of the existing stock. In order to achieve the challenging targets, it is clear that both Order online now at www.brebookshop.com new and existing buildings have a vital role to play. or phone +44 (0) 1344 328038 quoting ref. 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FB 24, £25 FB 28, £35 Bright ideas www.cibsejournal.com October 2010 CIBSE Journal 71 p71_CIBSEMagOct10.indd 71 20/9/10 15:23:47 Products & Services Telephone: 020 7880 6206 Email: [email protected] BACnet natural ventilation control from BPT launches versatile video door TITAN Products entry panel TITAN Products announces the release of an additional BPT Security Systems – a specialist in door BACnet enabled controller specifically designed for natural entry, access control and gate automation – has ventilation control – the CCM-204-NV. launched Thangram, a modular video door It provides energy efficient control in buildings by entry panel. controlling the natural ventilation on demand and Thangram gives new meaning to the word improving the environmental conditions through the ‘modular’: every panel you could ever require control of temperature and CO2 levels. can be configured from the seven elements that It can control two separate zones and can be used stand- constitute Thangram. alone, in a master/slave group or as part of a BMS system. Select from an audio and / or video entry l For more information call 0161 406 6480 or visit www.titanproducts.com panel, access control module with keypad or RFID reader, double, single or double height single buttons, two panel colours and three interchangeable covers. KNX intergration brings all-round Overtrop valves chosen for ward l For more information call 01442 230800 or benefits to school buildings refurbs at Grimsby hospital visit www.bpt.co.uk At the Drive School When selecting in Gateshead where which valves a programme was to use for completed to update the wards’ the school buildings, refurbishment a complete electrical project at re-fit had an important Diana Princess role to play. The school of Wales needed a plug and play Hospital in power distribution Grimsby, the Northern Lincolnshire and Goole system that could be Hospitals’ Foundation Trust, in conjunction fitted quickly and would integrate with a wide with consulting engineers DSSR, specified variety of systems. This has been achieved Oventrop for their quality and competitive cost. using KNX and brought to the school an As a result, the company’s mechanical services integrated, controllable system that ensures valves have been used throughout the first two energy is never wasted, while services are of an phases of the refurbishment, with a third phase excellent standard. due to begin. l For more information call 0845 869 5908 or l For more information call 01256 330441 or visit www.knxuk.org email [email protected] Durapipe is number one for Woking Civic Centre Durapipe UK’s leading pre-insulated pipework ModuMax boilers for an system, Duracool, has been specified for the environmentally excellent building refurbishment of a computer hub room at a A Wessex ModuMax 250/750 condensing boiler civic centre in Surrey. from Hamworthy Heating was selected for the The centre, in Woking, houses the council Hive, in Manchester’s Northern Quarter, and offices of Woking Borough Council. The cooling is making a valuable contribution to its system in the computer hub room was in need environmental credentials. of renovation, as more cooling capacity was Erected by Bardsley Construction and handed needed than the existing system could cater over to its owners, Argent Estates, in February, for. Xergi chose high performing pre-insulated the Hive is a hub for creative businesses with pipework system Duracool. around 80,000 sq ft of office space and workspace. l For more information call 01543 279909 or It is intended to tap into the inspirational spirit visit www.durapipe.co.uk of the area and set a new standard for future developments. l For more information call 0845 450 2865 or visit www.hamworthy-heating.com Classroom ventilation units Aircraft Air Handling’s 260mm-high classroom ventilation units: silenced to nr25; plate recuperator 60% efficient; air volume 0-500 litres. Heating: LPHW/ELECTRIC. Cooling: CW/DX. Larger air volumes and bespoke units are available. l For more info visit www.aircraftairhandling.com 72 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp72-75 products.indd 72 23/9/10 16:43:30 Products & Services Telephone: 020 7880 6206 Email: [email protected] Samsung office aircon solution is right Renolit solar roofing membranes on in Brighton increase solar energy Samsung’s DVM Plus III (VRF) system was specified for a ALKORBRIGHT, by Renolit, is a white, single- six-storey office refurbishment in Brighton, carried out by ply roofing membrane designed to ensure main contractor, Tangent Projects. The brief was to allow optimal reflection of solar rays – particularly independent control and metering of each floor of offices, important when used with solar PV systems to allow for multiple occupation of the building with ease and thermal-solar installations. Unlike of management. This called for a flexible system with the alternative white roofing membranes that are best green and economic credentials, with suitable indoor fitted with a dark under layer, ALKORBRIGHT unit sizes to fit into the voids available. is completely white the whole way through, l For more information call 01932 455000 or visit www.samsungac.co.uk improving levels of solar reflection by more than 95%, which is particularly impressive when compared to an average 82% efficiency Watts Industries’ Microflex solution from alternative standard white membranes. for green school l For more information visit Microflex pre-insulated and flexible piping www.alkorproof.co.uk from Watts Industries is part of the renewable energy system circulating hot water from a central plant room to eight distribution points in the new £35m Gainsborough Educational Village in Lincolnshire. Hot water for heating and sanitary purposes is generated by a central biomass boiler and two ground source heat pumps, with gas boilers topping up Titon says Building Regulations the temperature when necessary. It is piped revisions are good news through 600 metres of single and twin core Microflex to the above-ground distribution The 2010 revisions to Part F of the Building pipe work. Regulations covering ventilation, which come l For more information visit 01386 446997 into force in October, have been welcomed by leading manufacturer, Titon. The revisions now make it legally binding to ensure that all fixed mechanical ventilation systems Mothercare chooses JS Air are commissioned and that the relevant Curtains Building Control Body is notified. Also, it JS Air Curtains has supplied more than 50 has been made mandatory that air flow shall air curtains to Mothercare to help maintain be measured on site – for all mechanical a comfortable internal atmosphere for ventilation systems. customers and staff, as well as improve l For more information call 01206 713800 or energy efficiency. visit www.titon.co.uk The air curtains have been installed by M&E contractors, Adcrest. JS Air Curtains worked with Adcrest and Mothercare to select the MHI takes climate control to new heights at airport correct air curtain solution for each store. JS Air Curtains supplies an extensive range of A 375kW air conditioning installation from Mitsubishi Heavy Industries (MHI) has just checked air curtains, as well as bespoke solutions, for in at Bristol Airport. Twenty multi-split systems from MHI’s FD Micro Inverter range and 33 all commercial and industrial applications. SAF fresh air heat exchange units service a l For more information call 01903 858656 or hub of pre-boarding and arrivals areas, plus email [email protected] a new two-storey walkway connection to the terminal building. MHI’s FD Split and Multi Split Systems feature a cutting edge inverter controlled compressor that adjusts automatically to meet the precise demands of the indoor unit. l For more information call 0207 842 8100 or visit www.mitsubishiaircon.co.uk GSHP helps Environment Agency office set BREEAM record Horizon House, the new office for the Environment Agency, has been labelled the ‘greenest building in Bristol’ thanks, in part, to the ground source heat pump system that provides both heating and cooling from 25 boreholes drilled underneath the building. EarthEnergy Limited worked closely with the developer to optimise the energy available from the building footprint to ensure the development’s carbon saving target was achieved. l For more information call 01326 310650 or www.earthenergy.co.uk www.cibsejournal.com October 2010 CIBSE Journal 73 CIBSEoct10 pp72-75 products.indd 73 23/9/10 16:43:49 Products & Services Telephone: 020 7880 6206 Email: [email protected] DuPont Building Innovations and EDSL launch Ecociat: a new heat recovery unit innovative software from Ciat Ozonair DuPont Building Innovations and Environmental Design CIAT Ozonair’s new heat recovery unit – the Solution have developed an innovative program to simulate Ecociat – has the potential to reduce domestic the performance of DuPont™ Energain®, a lightweight and hot water bills by up to 70%. The unit captures easy-to-install thermal mass panel based on pioneering phase and recycles heat contained in air brought in change technology. Energain® Thermal Mass Builder helps and drawn out by natural ventilation systems. specifiers determine the impact of Energain® on a building’s Instead of being vented outdoors, this energy energy usage and interior comfort. It interfaces with EDSL’s is used by Ecociat to heat domestic hot water. Tas Building Designer software, which is approved by the Department of Communities and Local The unit is designed for use in conjunction Government for both Part L2 and Energy Performance Certificate calculations. with conventional boilers and other systems l For more information call 01275 879770 or visit www.energain.co.uk run on fossil fuels, and is simple to install without changes to existing circuits. It offers year-round energy efficiency with a COP of 3.5. Potterton Commerical launches Andrews’ solar water heating l For more information call 01883 621015 new condensing boiler in Wolverhampton centre for Potterton the blind Commercial, Andrews Water part of Baxi Heaters has Commercial supplied two Division, SOLARflo introduces water heating the new systems for the LogoCondense new Beacon with Centre for the CarboCondense – a high output steel Blind in Wolverhampton. The centre has eight pressure jet boiler with a patented carbon separate buildings – some of these were in Spirotech introduces integrated heat exchanger that can safely and efficiently need of refurbishment and all were expensive pressurisation solution to condense and even clean the boiler’s flue to maintain and run. After due consideration, commercial customers’ offering gases. There is currently no other oil-fired the decision was taken to replace them System protection specialist Spirotech UK is boiler on the market with the carbon heat with a brand new centre with a three-storey offering its commercial customers a complete exchanger vital for this type of boiler to office block and a separate support area system lifetime care solution with the launch operate in condensing mode, making this an to the residential block, which have both of the new-generation portfolio of products exciting and important development in the oil been designed to achieve an energy efficient – Spirocare – featuring deaeration, dirt heating sector. solution that minimises CO2 emissions. separation and a series of new pressurisation l For more information call 0845 070 1055 or l For more information call 0845 070 1055 or options. Designed to provide ultimate care of visit www.pottertoncommercial.co.uk visit www.andrewswaterheaters.co.uk the system, both at the commissioning and installation phase and throughout its lifecycle, the integration of the pressurisation range HygroMatik VortexSteam reduces complements the company’s established, absorption distances by 50% high performance deaeration and dirt The VortexSteam from HygroMatik provides an separation products. energy-saving, hygienic option for humidifying air. l For more information visit Due to optimised air-flow distances, the HygroMatik www.spirotech.co.uk VortexSteam offers short absorption distances, making it ideal for installing in all duct sizes. The VortexSteam module creates turbulence in the duct air flow and optimises the absorption of steam in the air. The absorption distance is shortened without increasing condensation and without loss of energy. For flow velocities from 2.2 m/sec, VortexSteam can reduce the absorption distance by more than 50%. l For more information call 02380 443127 or visit www.hygromatik.co.uk IPS – an ECO:nomics low carbon solution from Armstrong In the coming months Armstrong will be launching 10 low carbon solutions under its ECO:nomics brand. The first of these is the IPS controller which offers unrivalled levels of energy efficiency and carbon reduction in multi- zone, multi-pump HVAC heating and chilled water applications. Energy savings of up to 47.5% can be made (compared to a constant speed, constant volume system) by harnessing IPS advanced control technology in systems incorporating variable speed-drive pumps. l For more information call 08444 145145 or visit www.armstrongintegrated.com 74 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp72-75 products.indd 74 23/9/10 16:44:23 Products & Services Telephone: 020 7880 6206 Email: [email protected] Liverpool One – a great result for Hilton Sun shines for Flintshire school Liverpool has been undergoing a huge transformation to its commercial with MHS Boilers and cultural centre in recent years. At its core is Liverpool One, a £1bn A Flintshire primary school is achieving a development that has added two million sq ft of shops, offices and 50% reduction in annual water heating costs, leisure facilities. In a key location overlooking the Liver Buildings, Albert thanks to the installation of its AURON® DF Docks and River Mersey is the new Hilton Liverpool Hotel. Working solar heating system from MHS Boilers. directly with Kier Build, the main contractor, Grundfos Pumps was The direct-flow vacuum-tube solar delighted to offer its expertise to supply a complete turnkey pump solution. collectors have been installed on a pitched l For more information call 01525 850000 or email [email protected] roof at Sandycroft School in Deeside, in conjunction with three floor-standing high performance MHS Ultramax PB 120kW Rehau Rauvitherm pipework boilers and an MHS Gemini 500 litre chosen for district heating scheme cylinder. Installer Mel Roberts, of Margden East Holme in Dorset is the hub of an Heating, said: ‘MHS products are cutting- innovative district heating scheme that uses edge and user-friendly, saving time and costs Rehau’s new RAUVITHERM flexible polymer on installation.’ pipework to distribute heat to 16 properties l For more information visit www. on its estate. A biomass boiler has been mhsboilers.com installed in a redundant farm building, and the distribution pipework has been installed in trenches dug 0.5m – 1.5m deep and up to 400m long. RAUVITHERM was chosen for the installation because its flexibility and durability made it the most appropriate solution for the Dominators help regenerate long pipe runs and exposed location. Manchester city centre l For more information call 01989 762600 or More than 800 dominators from Crane Fluid email [email protected] Systems – a leading brand of Crane Building Services & Utilities – are being installed in the heating and cooling system of a massive new office development in Manchester’s Piccadilly Square. The Dominator is a compact prefabricated unit that combines a control valve, flow measurement device, bypass Dimplex delivers dining comfort at valves, strainer and drain, ready for simple Oxford University and fast on-site connection to fan coils and When an Oxford University college needed other terminal units, and is part of the Crane to improve comfort levels in a hard-to-heat ProBalance range. dining hall, Dimplex’s commercial heating l For more information call 01473 277434 experts came up with an efficient solution to keep students warm all year round. By combining a fast warm-up from powerful fan heaters with air curtains to minimise iSense Simplicity heat loss from the doorways, the Dimplex Simplicity in design and operation defines the Remeha iSense solution quickly raises room temperature high-quality room thermostat / controller. A large bright blue to comfortable levels and easily retains the back-lit LCD screen, two buttons and one turn-and-press dial warmth for the duration of the hall’s use. make the iSense exceptionally user friendly. The iSense controller l For more information call 01489 773336 or provides an extensive range of options to ensure a high standard visit www.dimplex.co.uk of comfort for either home or office. Simply scroll through the menu, accessing help texts at the press of a button if you need further explanation, and then choose your settings. l For more information visit www.remeha.co.uk New LED High-Bay luminaire cuts energy and maintenance costs The new LED High-Bay luminaire from Cooper Lighting has been designed to provide major reductions in energy consumption and maintenance requirements. Utilising multi-die LED chip array technology, the new luminaire achieves a low power consumption of just 142W, resulting in energy savings of 65% when used in place of a 400W metal-halide luminaire. LED High-Bay delivers instant white light with no restrike or run-up delay, and it offers a long service life free from the need for lamp changes. l For more information visit www.cooper-ls.com www.cibsejournal.com October 2010 CIBSE Journal 75 CIBSEoct10 pp72-75 products.indd 75 23/9/10 16:45:45 Directory Your guide to building services suppliers Telephone: 020 7880 6206 Email: [email protected] Air Conditioning Air Handling CAD Services Fluid Flow CadEURO Draughting Services A leading supplier of quality Manufacturer of high quality bespoke AHU’s • Building Services Work HVAC and Fluid Flow equipment and fan coils. Undertaken for residential, commercial Specialists in refurbishment and site • 2D Draughting and industrial applications. • 3D Autocad MEP assembly projects. • Record Drawings Our commitment is to provide Expedient delivery service available. • Excellent Rates & Turnaround innovation, effi ciency and Aircraft Air Handling Ltd Service sustainability to our customers Unit 20, Moorfield Ind Est, • MEP BIM Services on a global scale. Cotes Heath, Stafford, ST21 6QY Contact Stephen:- Tel: 08444 145 145 Tel: 01782 791545 Fax: 01782 791283 T: 020 7043 7491 F: 020 7043 7493 Fax: 08444 145 146 Email: [email protected] E: [email protected] Email: [email protected] Web: www.aircraftairhandling.com W: www.cadeuro.co.uk Web: www.armstrongintegrated.com Energy Effi ciency LST Radiators Pump Packages LST Radiators Range of models to suit all budgets and applications Ground Source Heat Pump Leaders in fluid pumping equipment and controls Easy installation – ready assembled Installations • Water Pressure Booster Sets BSRIA tested outputs and surface temperatures • Sealed System Pressurisation Units SteriTouch® antimicrobial surfaces as standard • Tank Level & Temperature Controls Meeting Renewables Targets Energy efficient copper aluminium emitters Attractive yet functional design • Energy Efficient • Bespoke Design Service Tel: 02392 450889 Call 01787 274135 www.autron.co.uk To discuss your project please contact Jim Rusbridge Fax: 02392 471319 Head Office: 01206 215121 www.groenholland.co.uk Certificate Number MCS 1201 email: [email protected] Heat Pumps www.aquatechpressmain.co.uk Solutions for low cost, clean and Groenholland 5x2.indd 1 27/1/09Autron 09:40:295x1.indd 1 18/3/09 15:47:52 high effi ciency combustion New, inexpensive technologies make it quick and easy to retrofi t existing combustion systems and signifi cantly For Sale reduce energy costs and noxious emissions. Compared with a new boiler, an axial air fl ow burner with Ratiotronic controls fi tted to an existing shell may be half the or Merger capital cost. Yet it’s the burner, not the boiler, that has the major impact on effi ciency, fuel consumption and reduction of emissions. Building Services (Mechanical & Electrical) Engineering and Energy Consultancy Small and established for 15 years, based in the West of Scotland for sale or merger due to owner retiring. Low Energy Carbon Assessor (Scotland); ISO9001 Certifi ed. Excellent Track Record. Apply for further details to:- Dunphy design, manufacture, install and commission all types of turnkey and pre-fabricated boiler houses for CHP, heat, steam McMillan Financial and waste to energy processes. Tel: 01560 485381 For a comprehensive energy and Email: mcmillanfi [email protected] emissions audit, contact [email protected] 76 CIBSE Journal October 2010 www.cibsejournal.com BuildingServices.indd 1 2/9/10 11:53:12 Directory October.indd 76 22/9/10 08:22:44 Looking ahead Events & Training NATIONAL EVENTS AND CIBSE regions The low carbon challenge CONFERENCES l 04 Oct 2010 Devolution of The new Society of l 07 Oct 2010 CIBSE/ASHRAE Building Regulations to Wales Light and Lighting Graduate Award London London (SLL) series of Five finalists will give presentations. Jane Davidson AM, Minister for the masterclasses kicks www.cibseashrae.org Environment, Sustainability and off on 7 October in l 08 Oct 2010 President’s Housing, is guest speaker. Birmingham. Awards Dinner London [email protected] This season the Includes the CIBSE Undergraduate l 05 Oct 2010 Carbon Neutrality masterclasses will Award. [email protected] – is it possible? Plymouth provide insight into l 12 Oct 2010 Hinton Lecture Insight into zero carbon. how we can meet the and Dinner London [email protected] low carbon challenge in Speaker Dr Lyn Evans. l 14 Oct 2010 Impact of the relation to lighting. The [email protected] 2010 Building Regulations Part L programme includes l 12-14 Oct 2010 Energy in London speeches from the Transition London A technical presentation. lighting industry’s Meeting future energy demands. [email protected] key players, as well as [email protected] l 21 Oct 2010 Part G and speakers from the field l 15 Oct 2010 Part G – Reading Greywater Systems Liverpool of lighting design, such between the lines London A Merseyside and north Wales as the International Provision of domestic hot and cold regional event. Association of Lighting Chris Wilkes, of water services. [email protected] [email protected] Designers. Holophane, is one of the l 17-18 Oct 2010 ACE GCG 2010 l 17 Nov 2010 Energy Efficiency Brian Charman, SLL masterclass speakers Conference Abu Dhabi Opportunities from Zip Heaters from Philips, will look Risk management and more. Manchester at the speed of innovation and of lighting control. [email protected] Speaker: Adrian Hippert. the rapidly developing standards The programme dates are: l 19 Oct 2010 What’s New [email protected] and guides, discussing how 7 October 2010, Birmingham About Part L 2010? London this will affect designers. Other 28 October 2010, Leeds Updates for the building services Cibse/other TRAINING speakers include Chris Wilkes, of 23 November 2010, Liverpool sector. www.cibsetraining.co.uk Holophane, who will be looking at 27 January 2011, Cardiff l 18 Nov 2010 Smart Metering l 20 Oct 2010 Society of Facade the requirements to make energy 24 February 2011, Norwich London Engineering – technical meeting savings, and what benefits and 24 March 2011, Edinburgh Is smart metering working? London considerations might be needed; 28 April 2011, Dublin www.cibsetraining.co.uk Technical meeting. and Stewart Langdown, from 19 May 2011, London l 02 Dec 2010 Building www.cibse.org/sfe Tridonic, reviewing aspects To book, visit www.sll.org.uk Information Modelling (BIM): Who Benefits?London CPD TRAINING What does the future hold for BIM? l 03 Nov 2010 Gas Safety Regulations London www.cibsetraining.co.uk Visit www.cibsetraining.co.uk, Regulations London l 03 Nov 2010 Fire detection l 09 Dec 2010 Fred Jamieson call 020 7675 5211 or email l 04 Nov 2010 Part L Building and alarm systems for dwellings Memorial Lunch Belfry hotel [email protected]. Regulations Loughborough BS 5839 Part 6:2004 London Plus the Trainee of the Year Award BUILDING REGULATIONS AND MECHANICAL SERVICES l 17-19 Nov 2010 Fire Safety launch. [email protected] ENERGY EFFICIENCY l 12 Oct 2010 Introduction to Engineering Design: Principles & l 05 Oct 2010 Part B (Fire building services London Practice (three-day) London SOCIETY OF LIGHT AND Safety) of the Building l 18 Oct 2010 Air conditioning LIGHTING LIGHTING Regulations London basics 1: Comfort, climate & heat l 09 Nov 2010 How to specify l 06 October 2010 Low gains London lighting: office lightingLondon Visit the SLL pages via www.cibse.org carbon buildings and energy l 19 Oct 2010 Air conditioning l 07 Dec 2010 Lighting basics 1: l 07 Oct 2010 SLL Masterclass infrastructure for Local basics 2: The air conditioning Light, sight & colour London – The Low Carbon Challenge Authorities London process London ELECTRICAL SERVICES Birmingham l 07 Oct 2010 Part L Building l 28 Oct 2010 Practical air l 14 Oct 2010 Introduction to [email protected] Regulations Liverpool distribution system design BS 7671: 2008 requirements for l 19 Oct 2010 Energy in Lighting l 12 Oct 2010 Smart metering London electrical installations London London London l 04 Nov 2010 Variable flow l 26-27 Oct 2010 Practical Carbon Reduction Commitment. l 13 Oct 2010 How to specify water system design London approach to LV fault level analysis [email protected] a ground source energy system FACILITIES MANAGEMENT (two days) Birmingham l 28 Oct 2010 SLL Masterclass – London l 06 Oct 2010 Practical project PERSONAL DEVELOPMENT The Low Carbon Challenge Leeds l 18 Oct 2010 Part L Building management London l 6 Oct 2010 Practical Project [email protected] Regulations London l 21 Oct 2010 Introduction to Management London l 23 Nov 2010 SLL Masterclass l 20 Oct 2010 Part L Building facilities management London – The Low Carbon Challenge Regulations Bristol FIRE SAFETY Send your event details to Liverpool l 02 Nov 2010 Energy Surveys l 05 Oct 2010 Part B (Fire [email protected] [email protected] (audits) London Safety) of the Building www.cibsejournal.com October 2010 CIBSE Journal 77 CIBSEoct10 pp77 events.indd 77 23/9/10 17:28:54 FINAL CALL FOR ENTRIES 8 October deadline 78 CIBSE Journal October 2010 www.cibsejournal.com p78_CIBSEMagOct10.indd 78 20/9/10 15:24:35 Telephone: 020 7324 2787 Email: [email protected] Appointments Senior Mechanical Services Engineer Salary Scale £39,510 - £46,635 per annum, plus generous staff benefits package Founded in 1826, UCL is a world leading University, with approximately 22,000 students and 8,000 staff and an annual revenue budget in the region of £700 million. Reporting to the Building Services Design Team Leader within the Capital Programme department, the Senior Mechanical Services Engineer will lead the provision of mechanical Building Services design, design reviews and strategy management across a wide variety of “Long Term Maintenance” projects, alteration, refurbishment and new build projects across the estate. You will have extensive experience of designing and managing Mechanical Engineering Projects from inception to completion, with schemes typically ranging from £5k – £250k. You will possess a relevant degree in Building Services Engineering or related Engineering disciplines, preferably with chartered status. Experience of building services engineering within the scientific research and higher education sector would be advantageous. For further details about the vacancy and how to apply on line please go to http://www.ucl.ac.uk/hr/jobs/ For a confidential discussion, please contact our advisor Ben Duffill of The Management Recruitment Group on 020 3056 4016 / 07976 125 010 or [email protected] The closing date for receipt of applications is Friday 22nd October 2010. We particularly welcome applications from black and minority ethnic candidates, as they are under represented within UCL at this level. The Management Recruitment Group, Three Tuns House, 109 Borough High Street, London SE1 1NL Tel. 020 3056 4016 Senior Appointments for the Built Environment www.mrgpeople.co.uk Specialists in Building Services Recruitment IS IT TIME FOR A CHANGE? We are now experiencing an increase in both contract and permanent positions from our clients. If you are looking for a new role call us today! Senior Electrical Design Engineer – Data Centres | London | £NEG! Our client is an international consultancy looking to recruit a senior engineer. You will ideally be Chartered and have signifi cant experience, with a particular focus in the data centre sector. Excellent support and development will be provided. Senior M & E Design Engineers – Airports and Rail | London | £NEG! Our client is a major multi-disciplinary consultant and is looking to expand its M&E team. With signifi cant project wins in the Airport and Rail sectors, they are now seeking to recruit senior engineers with Rail and Air experience to join the team. Positions are offered on a permanent and contract basis. Graduate Mechanical or Public Health Engineers | London | to £27K Our client is looking for fresh graduates or graduates with some PQE. They are looking for Building Services graduates who have a desire to succeed. Graduates with experience must be able to perform load calculations and pipework and ductwork sizing. Principal Mechanical or Electrical Engineer | London / Surrey | to £50K+ Great opportunity for a senior engineer to join a leading practice. You will have signifi cant experience and ideally be Chartered. Wide ranging project experience is essential. As well as design you will need to be comfortable liaising with clients and happy to mentor younger members of the team. Principal Mechanical or Electrical Engineer | London | £NEG! Our client is looking for a qualifi ed senior engineer who is ideally Chartered. They are looking for someone with signifi cant building services experience in the rail sector. This is a senior appointment with good career opportunities. For more information or a confidential discussion please contact Mark Butter t: 02392 603030 e: [email protected] www.blueprintrecruit.com E3 & E5 Heritage Business Park, Heritage Way, Gosport, Hampshire PO12 4BG www.cibsejournal.com October 2010 CIBSE Journal 79 p79-81_CIBSEMagOct10.indd 79 22/9/10 15:14:23 Appointments Building Services Vacancies Not just any recruitment. MechanicalElectrical Design Associate Engineer Design Engineer Ref: 50957 London to £50,000 + Benefits Ref:A senior 11098 electrical design engineer is required to assist in the design of stadiaCentral and leisure complexesLondon and mentor junior staff. International experience£45,000 an advantage.- £57,500 Contact + LucyExcellent for further information.Benefi ts Yr Amgylchedd a Gwasanaethau Technegol OurDesign client Engineers is a market leading multi-disciplinary engineering consultancy and is keenRef: 50421 to appoint the services of a Associate Director for theNW Mechanical London from arm £35,000 of the PEIRIANNYDD GWASANAETHAU Electrical x1 and Mechanical x1 with Commercial, Laboratory and Pharmaceutical sector building Centralservices designLondon experience Building required Services within Division. this established This is company.a leading Contact independent Darren for provider further ADEILADU ofinformation. high value, sustainable multi-disciplinary services. The management team are Cyfeirnod Swydd: EL010910 looking forward to an exciting future having met recent targets and growth plans. TheyHV/LV have Electrical also Designmade Engineeran investment to their colleagues having recently been Cyfl og: £30,011 - £32,800 y fl wyddyn Ref: 11050 Manchester & London from £40,000 awardedOur client, aInvestors leading expertin People in the alongside fields of Energy winning & Environmental various other Services, industry Building awards. Services Am sgwrs anffurfi ol cysylltwch â Rhys Griffi th ar 01248 752161. TheDesign, appointment Property Appraisal for anServices Associate and People Director Solutions is are a recruitingvery urgent for a HV/LVrequirement. Electrical DesignIdeally Mae’r Swydd uchod yn disgwyl dyfarniad swydd. Engineer to join their Building Services Design Team. The candidate shall demonstrate a full beingunderstanding CIBSE of qualifion HV siteed, survey you andwill desk be basedable review,to demonstrate analysis, calculation, a career HV design.rising Contactthrough DYDDIAD CAU: HANNER DYDD, DYDD GWENER 1 HYDREF 2010. BuildingDarren for furtherServices information. Engineering and will either be a Senior Mechanical Engineer who feels that they are ready to make the step up or an Associate Director who is Mae gwybodaeth bellach a ffurfl enni cais ar gael drwy ein lookingSenior Mechanical to move to Designa more Engineer forward thinking company. safl e we www.ynysmon.gov.uk neu ffonio 01248 752504 Ref: 11002 London from £40,000 neu e-bostio [email protected]. HavingAn established worked Property for aManagement similar company company yourequires will a beSenior looking Mechanical to join Design a business engineer thatto despiteprovide survey the currentand design market solutions. uncertainties Managing existing is able commercial to boast properties a full orderyou will book. be tasked This includeswith creating repeat new cost business efficient and replacement recent HVACwins fromdesigns new and clients. monitoring The their successful installation. candidate Contact Darren for further information. Environment and Technical Services will be backed by the success of 50 years trading by the employer. ThisM&E Facilitiesis a rare Engineer opportunity in Central London to develop a Building Services Ref: 11062 Nottinghamshire to £35,000 + bonus and car BUILDING SERVICES ENGINEER department within such an established company. Mechanical Associate Director is Job Reference: EL0109103 This is a new business stream within an existing company which requires an M&E professional with notfacilities the andceiling maintenance and there experience. is opportunity The work to willmove entail further both planned through and the reactive senior works ranks to of Salary: £30,011 - £32,800 per annum thecommercial organisation sites. Contact if you Darren harbour for further desire information. to do so. For an informal discussion please contact Rhys Griffi th on SoM&E if Coordinator you feel you have the required skill set to fi ll this contact Darren 01248 752161. WarmingtonRef: 11047 on 01483 768 600 for additional informationSouth East to £42,000on this excitingWorking on opportunity.behalf of this Main All Contractor, applications you will bewill versed be in treatedoverseeing withsubcontractors the upmost in the The above post is awaiting job evaluation. confiinstallation dentiality. of new Mechanical & Electrical systems on live projects. Experience essential across Commercial, Education and Healthcare facilities. Contact Darren for further information. CLOSING DATE: 12 NOON, FRIDAY 1 OCTOBER 2010. Further details and application forms are available from Call 01483 768600 or email [email protected] our website www.anglesey.gov.uk. or telephone 01248 toCall enquire us on about01483 this 768600 and other or email vacancies. [email protected] 752504 or e-mail [email protected]. BSV Consultants www.bsvconsultants.co.uk www.anglesey.gov.uk CONSPEL, an International MEP leading Contractor, operating in the Gulf area seeks to employ a Commissioning Manager for its operations in Qatar. The person employed will be responsible for carrying out detailed planning and implementation of the commissioning plan. General Duties and Responsibilities: ■ Provide technical advice on commissioning plan. ■ Produce co-ordinated commissioning logic networks, method statements and programmes. ■ Prepare works test procedures. What’s new about Part L 2010? ■ Witness works testing. ■ Witness pre-commissioning activities. …come and find out on the 19 October ■ Perform regular site inspection of services installation. where we’ll be discussing what effects the ■ Organise demonstrations of plant and system operating procedures with the end user’s engineering representative. revisions will have on your projects ■ Provide technical input to the O&M Manuals and associated record drawings. • Hear a concise overview of the revisions to ■ Plan and manage the transfer of the building services from contractor Part L 2010 to end user’s representative. • Understand the differences between the Qualifi cations: new and current regulations Applicants will be University graduates and will have solid and relative • Recognise the critical financial and practical experience in the construction industry. Applicants will be pleasant, highly implications that come with these revisions motivated, dynamic and hard working individuals, able to demonstrate • Ensure you/your company are compliant – hands-on ability to lead and direct large groups of professionals. can you afford not to be? The position offers attractive career and development opportunities. A generous remuneration package will be offered to the successful candidate, Members: £225 +VAT • Non Members: £325 +VAT commensurate with the expectations of the position, free accommodation, medical insurance coverage, company car and tickets to the country of origin. For more information contact our events team on Applications should reach our offi ce on or before the end of October, 2010. 020 8675 5211, email [email protected] or visit Applicants should forward their CV, in confi dence to: HR & Administration Dept, P.O. Box 21135, 1502 Nicosia, Cyprus www.cibsetraining.co.uk Fax: 00357-22884706 Email: [email protected] 80 CIBSE Journal October 2010 www.cibsejournal.com p79-81_CIBSEMagOct10.indd 80 22/9/10 15:14:37 Appointments Improve your skills with CIBSE training and events CIBSE provides high quality training and events for professionals at every level of building services and beyond. Whether you are starting out, furthering your career or looking to fill a gap in your skills, CIBSE will be able to help. We run hundreds of seminars, conferences and training courses each year covering topics from general introductions to building services through to in-depth commercial energy assessor training and specific courses on areas such as lighting, heating, renewables and sustainability. For more information on CIBSE conferences, Mid Career College, energy assessor training and our new online learning packages visit www.cibse.org/events www.cibsejournal.com October 2010 CIBSE Journal 81 p79-81_CIBSEMagOct10.indd 81 22/9/10 15:14:45 People Movers & Shakers Research A life’s labour associate Maria Shamash has Farah Naz explains why she’s moved to CIBSE to study the passionate about breathing new life impacts of future into the built environment climates on buildings, and solutions for adaptation as part of Sustainability engineer Farah Naz housing abundant in the borough, CIBSE’s Knowledge Transfer believes designing a new building is says Naz. The challenge set is to Partnership with the UK Climate like creating a life form. meet the government’s target Impacts Programme (UKCIP). ‘By having well integrated, to reduce CO2 emissions from She joined from the Institute for efficient building services, it’s existing housing stock by 80% Sustainable Development at possible to make a building more by 2050, with target emissions of will be monitoring the building’s De Montfort University. healthy, humane and comfortable – 17 Kg CO2/sq m/year. performance for two years. saving energy and carbon, but most ‘My primary task is to transform ‘This will give us an excellent The Heating of all creating a great place to live the theory into reality,’ enthuses opportunity to test our strategies and Ventilating and work.’ in a real life context, and to Contractors’ It is this concept that drove Naz understand the effects that Association towards the building services sector Being part of our operational energy and human (HVCA) has with UK engineering consultants, behaviour have on the building’s appointed Gifford, leaving her architecture industry and trying energy consumption,’ added Naz. Neil Griffin to the new senior career behind. to make change But it can mean long days, with post of head of operations. Her role is varied, involving early Naz not finishing work until 9pm. Griffin joins the HVCA from the stage sustainability workshops and happen is the best But she says it’s all worth it: ‘The aerospace industry. energy and carbon analysis, as well responsibility falls on all of us who part of the job as thermal and daylight modelling, are working in the field to strive to Multi-disciplinary consultancy energy performance certificates, Naz, ‘which involves converting the reach CO2 reduction targets. Being hurleypalmerflatt has appointed and early stage BREEAM work. early stage SAP analysis, carbon part of our industry and trying to Ray Hatfield as its new divisional But one of her most interesting and energy figures, into a real-life make change happen is the best director. Hatfield joined from and challenging jobs is a construction solution. part of the job.’ MDA International, where he was competition-winning project for the ‘The aim is to reach the UK a director for 12 years. In his new Technology Strategy Board (TSB), government’s renewables targets, For more information on role he is expected to accelerate the Retrofit for the Future program. as well as meet the client’s Technology Strategy Board- hurleypalmerflatt’s push into new The competition involves aspirations, and perhaps go beyond funded projects, together with the markets and strengthen its core retrofitting an existing 1960s three- where possible. accompanying report, visit www. market capability. bedroom semi-detached property ‘When any project starts on site innovateuk.org/competitions in Harrow, as part of extension I get very excited as all parts of the Bob Arthur of Marks & Spencer works to transform the property puzzle are brought together.’ Email people appointments/ has taken over as president of the role profiles to into a four-bedroom dwelling. Once the occupants have British Refrigeration Association. [email protected] This property is typical of social moved in, the Energy Saving Trust The outgoing president, Eddie Gittoes of Arctic Circle, is now the immediate past president. New fellows, members and associates Meanwhile, Geoff Lockwood of ebm-Papst UK, became president CIBSE has gained more than 20 Members who have been promoted to fellow this month are: of the Heating, Ventilating and new members this month, and David Moulder Steve Platt is the Air Conditioning Manufacturers promoted two to fellow status. The is employed head of building Association at the same time, full list is: as engineering services for Atkins’ taking over the reins from Paul FELLOW manager with operations in the Wenden of Flakt-Woods, who David William Moulder Qatar Siemens Industrial South East. is now the immediate past Stephen Michael Platt Guildford Solutions in the Platt has 27 years’ president. Both will serve for Gulf region. He is currently experience in the industry and two years. MEMBER working on a major healthcare is passionate about the Ragumuthukumar Oman Alagarsamy infrastructure project, development and evolvement Royston Wright John Bolger Dublin undertaking design management of engineers to meet today’s is the new Chiu Yin Chan Hong Kong and system integration. engineering challenges. business Kam Tui Ken Choi Hong Kong manager for the Siu Wai David Lai Hong Kong Craig Shorto Guernsey Michael Collins Ardfert west and central Stephen Laws Kent Peter Franklin Silva Sri Lanka Steve Colomb Singapore Gregory Philip Lawton Worthing Abdul Razaque Solangi United Arab division at Steven Cook Newcastle Upon Emirates building services provider, SES. Tyne Chun Nin Lee Hong Kong Costica Dragos Turcu Qatar Issam Hammad United Arab Yat Ping Andy Ma Hong Kong He will be based in the Emirates Ioannis Makaronas Qatar Chi Kong Bryan Wong Hong Kong company’s new Bristol office, Darren John Hunt United Arab Frederick McElwee Dun Laoghaire ASSOCIATE and will be responsible for Emirates Stamullen Francis McNulty Stephen Jennings Solihull promoting and developing Lee Kee Keung Hong Kong Hong Kong James Yau Kaing Pang Chris Lawton Loughborough business relationships within the Jung Hung Koh Malaysia Andrew Rhodes San Francisco south west area. 82 CIBSE Journal October 2010 www.cibsejournal.com CIBSEoct10 pp82 people.indd 82 23/9/10 16:42:49 New Light for greater energy effi ciency. The TRILUX Neximo. Every luminaire from TRILUX is far more than just light. For instance, the TRILUX Neximo: from the side a flat pane that is subordinate to the architecture, from below a unique design object thanks to the organically formed light output. Its technology is also worthy of noting: 22 high-power LEDs deliver the light directly onto the desk in a glare-free manner, while 36 additional LEDs provide a wide-angle, indirect light component that illuminates a wide, spacious area. Its long service life and low power consumption with high light output guarantee an efficient, standards-compliant lighting that becomes even more efficient with the integrated light management system. www.trilux.co.uk www.cibsejournal.com October 2010 CIBSE Journal 83 p83_CIBSEMagOct10.indd 83 20/9/10 15:25:21 CMR Controls manufactures low air pressure and air volume measurement sensors and control systems for standard air conditioning, clean rooms, sterile laboratories, containment facilities, and fume cupboard extract systems. DPC CONTROLLER Fast and accurate controls to drive high speed dampers or invertors. Full PID stand alone controls with DPM PRESSURE SENSOR BMS interface. Panel Mount Pressure or Velocity Transducers with remote alarms, analogue and digital interfaces. Traceable calibration certificates CAV AND VAV DAMPERS supplied as standard. Accurate air flow measurement with the unique CMR Venturi built into the AIR MANAGEMENT SYSTEM airtight shut-off damper to control room pressure or constant volume. A complete turn-key system to control room pressure to +/-1Pa. Fume cupboard face velocity to 0.5m/s at high speed and provide constant air changes into the labo - clean Metal Damper room. VAV CAV PPS EXTRACT DAMPER PPS EXTRACT SUPPLY EXTRACT DAMPER DAMPER DAMPER CONTROLLER Poly-propelene control and shut off valve incorporating the CMR Venturi Nozzle. This NORMAL EXTRACT HEPA is essential when dealing with corrosive FUME FILTER extract air especially from fume cupboard CUPBOARD systems. LABO - CLEAN ROOM PPS Damper PRECISION COMPONENTS FOR VENTILATION AND PROCESS CONTROL 22 Repton Court, Repton Close, Tel: +44 (0)1268 287222 CMR CONTROLS Basildon, Essex SS13 1LN. GB Fax: +44 (0)1268 287099 A Division of C. M. RICHTER (EUROPE) LTD Website: http://www.cmr.co.uk E-mail: [email protected] 84 CIBSE Journal October 2010 www.cibsejournal.com p84_CIBSEMagOct10.indd 84 20/9/10 15:26:12