December 2010

LOW CARBON New homes fail the fabric test

MASTERCLASS How to harness thermal energy

PIPES/FITTINGS Concern rises over failures

Tall order? Meeting the challenge of ever-higher skyscrapers

The CIBSE Building www.cibsejournal.com PerformanceTo seebook the aevent,shortlists table Awardspage goat and the to18

CIBSEdec10 pp01 cover.indd 1 19/11/10 10:14:35 2 CIBSE Journal December 2010 www.cibsejournal.com

p02_CIBSEMagDec10.indd 2 12/11/10 16:27:40 Contents December 2010 16 26

37

News Opinion Learning 6 News 22 Letters 42 Design masterclass part 4 Carbon scheme delayed in wake of Centres of excellence have different Energy and how to harness its stealth tax row; low carbon homes faces; ‘we are natural collaborators’. properties. are seriously underperforming, says 23 Opinion 45 CPD study; sector’s graduates struggling How can industry possibly perform Travelling into time with to find work, figures show. to low carbon standards if it has no psychrometry. idea how buildings operate in the 14 CIBSE News real world? Rewarding success; Journal ranked Classified as top benefit in institution’s new 24 Legal column 50 Products membership survey. What do the new consolidated Building services and products building regulations for England and available in the sector. 16 News analysis Wales mean for the sector? Is the proposed Green Deal for 54 Directory improving Britain’s existing buildings Features Building services suppliers. airtight or a just lot of hot air? COVER STORY People & Jobs 26 Space invaders 18 Best performers Key challenges facing the most 55 Looking ahead The full shortlist of entries in the ambitious skyscrapers are laid bare. CIBSE Building Performance Awards new-style CIBSE Building 2011, plus sector events and training. Performance Awards are unveiled. 32 Up in the air How natural ventilation in an 56 Appointments 20 Hot contender office tower block can cut energy Find your next job here and online at jobs.cibsejournal.com This year’s winner of the Society of consumption. Public Health Engineers (SoPHE) 37 Damage limitation 58 People Young Engineer of the Year award The UK contractors’ association has Greg Carpenter explains how he reminds industry to always think investigated failures in pipe and valve caught the engineering bug in just outside the box. fittings. one day.

www.cibsejournal.com December 2010 CIBSE Journal 3

CIBSEdec10 pp03 contents.indd 3 19/11/10 10:15:04 Windcatcher X-Air The Next Generation Natural Ventilation System

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p04_CIBSEMagDec10.indd 4 12/11/10 16:29:53 Editorial

www.cibsejournal.com From the Editorial Editor: Bob Cervi Tel: 01223 273520 Email: [email protected] Reporter: Carina Bailey editor Tel: 01223 273521 Email: [email protected] Senior designer: David Houghton Technical editor: Tim Dwyer Green heaven – or heads in the clouds? Advertisement sales Sales manager: Jim Folley o we are now a little bit clearer about the importance of the quality of the fabric of new Tel: 020 7324 2786 Email: [email protected] what the UK coalition government’s homes. The Code will now seek to ‘incentivise’ Sales consultant: Mark Palmer Tel: 020 7324 2785 Green Deal will entail. Energy house builders by awarding more points to those Email: [email protected] Secretary Chris Huhne is offering who ‘improve fabric efficiency’ (according to new Sales executive: Darren Hale S guidelines to the Code). Tel: 020 7880 6206 three steps to energy efficiency heaven for Email: [email protected] householders and businesses, starting with an However, whether this will go far enough to Recruitment sales: Stephen Fontana Tel: 020 7324 2787 energy survey (good news for the low carbon prevent levels of heat loss that brand-new, high- Email: [email protected] assessor industry?), then involving pay-as-you- quality homes are apparently experiencing, Advertising production: Jane Easterman Tel: 020 7880 6248 save finance packages that will fund insulation, remains to be seen. Writing in this issue of Email: [email protected] solar panels, and other gizmos (see page 12). the Journal, Professor Malcolm Bell of Leeds For CIBSE All well and good. Except that, all this won’t Metropolitan University argues for a ‘re-tooling’ Publishing co-ordinator: Nicola Hurley Tel: 020 8772 3697 fully take effect until autumn 2012 – which of the house building industry. This follows the Email: [email protected] seems odd, as major findings of his research Editorial advisory panel companies, including We need project on a housing Laurence Aston, Director, Buro Happold retailers such as Marks development in York: the Patrick Conaghan, Partner, Hoare Lea Consulting Engineers & Spencer, are lining up to ensure two-year study found that David Hughes, Building Services Consultant, to offer green deal-style heat loss at the low carbon MTT Consulting that new Philip King, Director, Hilson Moran services. The timescale buildings do what homes was between 50% Chani Leahong, Senior Associate, is, perhaps, a recognition and 100% higher than Fulcrum Consulting Alan Tulla, President, The Society of Light that the financing aspect it says on intended in the design. This and Lighting of the Green Deal will take is an extremely worrying Professor John Swaffield, CIBSE Past their design President some time to pull together. statistic, and may suggest Ged Tyrrell, Managing Director, labels Tyrrell Systems The proposed Green that many of the ‘low carbon’ Ant Wilson, Director, AECOM Investment Bank, which is meant to support homes being built are falling short of expected Morwenna Wilson, Graduate Engineer, Arup private-sector investment in high-efficiency standards. Even if Britain achieves the target for Terry Wyatt, Consultant to Hoare Lea Christopher Pountney, Graduate Engineer, technologies, research and installation, is still a all new homes to be ‘zero carbon’ by 2016, this will AECOM long way from becoming a reality. With only £1bn be an empty statistic if we can’t be sure that these CIBSE Journal is written and produced by Cambridge Publishers Ltd. Tel: 01223 477411. www.cpl.biz of government money going into the bank, we properties are, in operation, actually low carbon. 275 Newmarket Road, Cambridge CB5 8JE. Editorial copy deadline: First day of the month are still none the wiser about where the needed Amid Britain’s debt mountain, it could be preceding the publication month multi-billion pound levels of investment will argued that the drive towards green heaven on The opinions expressed in editorial material do not necessarily represent the views of the Chartered Institution of Building Services Engineers (CIBSE). Unless specifically come from. Earth is, in any case, a little unrealistic. But what stated, goods or services mentioned in editorial or advertisements are not formally endorsed by CIBSE, which But it is very welcome that the government we have to avoid is having our heads in the clouds does not guarantee or endorse or accept any liability for any goods and/or services featured in this publication. openly acknowledges the importance and urgency over what we’re actually achieving when it comes to CIBSE, 222 Balham High Road, London SW12 9BS Tel: 020 8675 5211. www.cibse.org of improving Britain’s existing housing stock. increasing the energy efficiency of buildings. We ©CIBSE Services Ltd. ISSN 1759-846X Housing Minister Grant Shapps emphasised need a concerted programme of testing, reviewing, Subscription Enquiries If you are not a CIBSE member but would like to receive CIBSE Journal, subscribe now! Costs are £80 (UK) and recently that, with housing responsible for ‘over and fixing of new buildings, to ensure they do what £100 (international). For subscription enquiries, and any change of address information, please contact: a quarter’ of CO2 emissions, we ‘need greener it says on their design labels. Otherwise we won’t Nicola Hurley at [email protected] or telephone 020 8772 3697.Individual copies are also available at a cost homes’. Indeed, Shapps announced important learn from our mistakes, and house builders, of £7 per copy plus postage.

Cover photo courtesy of Morgan Sindall revisions to the Code for Sustainable Homes, unwittingly or otherwise, will continue to produce Professional Services which grades new properties according to their sub-standard building fabric. predicted levels of energy efficiency, emissions, waste re-use and more. One significant change Bob Cervi, Editor ABC audited circulation: 19,728 January to December 2009 to the Code shows the government is recognising [email protected]

www.cibsejournal.com December 2010 CIBSE Journal 5

CIBSEdec10 pp05 editorial.indd 5 19/11/10 10:15:40 News

News in brief Carbon scheme delayed Homes code revised The UK government says it after ‘stealth tax’ row has removed the ‘gold-plated’ design features from the Code for The UK government has consultation on the second phase Sustainable Homes in an attempt n delayed a key element of of the scheme has been launched,

to make it more workable. Under its carbon-reduction policy after istck/Ralph125 meaning participants would not the changes, developers are the business sector accused it of need to register to take part until being encouraged to focus more introducing a ‘stealth tax’. 2013. on building fabric to improve In October’s Spending Review, Property group Land Securities energy efficiency. ministers announced that money welcomed the consultation but said generated from the Carbon a number of questions remained £1bn for councils Reduction Energy Efficiency Scheme around the CRC. Almost £1bn of government (CRC) would go to the government Dave Farebrother, environmental funding has been set aside for rather than being distributed among director at Land Securities, said: ‘It’s councils that welcome new better-performing companies good that they’re consulting, but housing developments in their Business lobby group the CBI from our point of view, most of the area. Government will match the attacked the proposals as being questions they’re consulting on are funding generated from council tantamount to a carbon tax on Companies still face a CRC ‘tax’ fairly academic -– they don’t really tax for any new homes built. A companies. affect the operation of the scheme consultation on the proposals The CRC has also required now further delayed the introduction or some of the fundamentals of it.’ has now been published. participants to buy carbon credits of the credit-buying requirement Points that Land Securities will www.communities.gov.uk in advance, relative to how much until 2013 – another delay that will make in its own response to the energy they consumed, with effect be seen as an apparent attempt to consultation include its belief that ‘LEEDING’ the world from 2012. The date of introduction ease the burden of the CRC ‘tax’ on the CRC scheme shouldn’t be One billion square feet of projects had previously been 2011, but business. a tax, it should be a true trading have now officially been certified was put back a year by the Labour Energy Secretary Chris Huhne scheme, and all tenancies should be with LEED, the environmental government. told delegates at the CBI conference metered, with sub-metering left up assessment methodology for the The coalition government has last month that a UK-wide to individual landlords. built environment. Another six billion square feet of projects are registered and currently working toward LEED certification around New homes the world, according to the US Press P + F Green Building Council. ‘escape’ rules

Mott launches new tool Builders are set to save millions Multi-disciplinary consultant of pounds by exploiting a legal Mott MacDonald has launched loophole that allows them to build the ‘first’ online construction hundreds of thousands of new cost and carbon tool, CapIT, with homes to outdated energy efficiency endorsement from the Institution standards. of Civil Engineers. It describes A survey by the LABC, the CapIT as a single resource for civil body representing local authority engineering and building data. building control teams, revealed Subscribers can add their own that builders plan to construct items or change data. They can 178,401 new homes to the old 2006 appraise different design options Building Regulations standard. and identify the best solution This is despite the new Part L considering both cost and carbon 2010 of the Building Regulations values. www.capit-online.com becoming law on October 1. The LABC said: ‘House builders have RICS consults on Ska been able to bypass the new law The Royal Institution of Chartered simply by registering before the Surveyors is consulting on October deadline their intention to proposed revisions to its Ska start work on a new site. This way, Rating assessment system for Putting humidity to good use the entire scheme is allowed to sustainable office fit-out and A project in Vietnam that uses a low-energy ‘desiccant wheel’ to mitigate comply with the old regulations.’ refurbishment. The Ska Rating the high levels of humidity has opened. The VietinBank Business A spokesman for the Communities was launched in November Centre’s new headquarters, a 300,000 sq m mixed-use development, Department said: ‘It is quite common 2009. The new version will be comprises two towers connected by a seven-storey podium building. The that, just before new measures are released early next year and will desiccant wheel system draws in humidity, separating the water from the brought in, there is an increase in include an evaluation to measure atmosphere and exhaling hot, dry air, which can then be cooled by ground applications – but some of these will the impact and effectiveness of a water and released back into the buildings. The project was designed by be speculative. Even where the old project 12 months after handover. architects Foster + Partners. arrangements apply, these are still good standards.’ www.labc.uk.com

6 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp06-07 news.indd 6 19/11/10 12:03:34 News

Low carbon homes are underperforming, says study which calls for action plan

An overhaul of new-home n construction in Britain is

needed if national ‘zero carbon’ Shutterstock targets are to be met, an extensive study has found. Researchers discovered serious failings in a new housing development in York, which performed significantly below its expected energy efficiency standards. Heat loss was 54% higher than the design intentions, despite the homes being developed with high levels of insulation. The solar thermal panels installed Are new low-carbon homes being built to the design standards? A study has highlighted high levels of heat loss in new houses suffered numerous operational problems, and the performance of chain need to change, the report The report’s authors state: ‘If they provide households with the ground-source heat pump was argues. national zero carbon housing goals homes that meet their needs while significantly less than designed for. Designs of new homes need are to be achieved, the performance enabling low carbon lifestyles.’ The findings are published by the to give greater priority to the as- gap must be closed. The report recommends a Joseph Rowntree Foundation in a constructed performance and to ‘There are encouraging signs 10-year programme of radical report, Low carbon housing: lessons supporting low carbon lifestyles, it that this is being taken seriously change to transform the industry, from Elm Tree Mews, produced says. by sections of industry and which includes a clear regulatory by Leeds Metropolitan University Services design should focus government. framework, a programme of researchers. on the whole system performance, ‘Closing the performance gap will research, education and training, If zero carbon is to become a and planning and control of require significant improvements in and a national ‘feedback loop’. reality, many processes and cultures construction needs to be improved the way that homes are procured, www.jrf.org.uk within the industry and its supply and include in-production testing. designed and constructed so that See Opinion, page 23 Infrastructure plan aims to ‘unlock’ investment The coalition government setting out ‘the infrastructure The infrastructure investment across government. ‘This initial has published the UK’s first Britain needs and how we will programme will help rebalance the phase of Infrastructure UK’s work ‘infrastructure plan’, which it claims unlock some £200bn worth economy and give industries the has validated the proposition that sets out the ‘major economic of public and private sector right conditions in which to grow.’ infrastructure development can investment’ needed to underpin investment over the next five years Paul Skinner, chairman of be an important driver of the UK’s sustainable future growth. to deliver it’. Infrastructure UK, a division future growth and competitiveness, At a CBI conference, Prime He said: ‘The economy has been of her majesty’s treasury, said: and that there is real value in Minister David Cameron launched too reliant on growth from a limited ‘Infrastructure UK will play an active taking an integrated, cross-sector National Infrastructure Plan 2010, number of sectors and regions. role in driving forward this agenda approach.’ www.hm-treasury.gov.uk

www.cibsejournal.com December 2010 CIBSE Journal 7

CIBSEdec10 pp06-07 news.indd 7 19/11/10 12:03:51 News

CABE plans to continue working Sector’s graduates despite funding cut The UK Commission for Architecture and the Built struggling to find Environment (CABE) is exploring ways it can continue working after the government withdrew all its funding. work, figures show CABE said in a statement: ‘We are now working with Construction and building government and others to try to n graduates are increasingly

find a way to ensure the kind of struggling to find work after leaving Shutterstock expert, impartial design advice university, according to the Higher for which CABE has been known Education Careers Services Unit remains available to councils, (Hecsu). communities and developers Around 21,000 of last year’s across the country.’ graduates in all subjects were still It added: ‘Meantime, CABE out of work – nearly 9% of the total, remains the government’s compared to 7.9% in 2008 and statutory advisor on architecture, 5.5% in 2007. urban design and public space. More specifically, 10.9% of We are continuing to conduct architecture and building graduates design reviews and to deliver were out of work, along with many of our programmes.’ 11.8% of those with mechanical In October, when its engineering degrees and 11.9% of Electrical engineering graduates fared worst in the sector, says Hecsu government funding was pulled civil engineering graduates. as part of the coalition’s multi- Electrical engineering graduates peaked. Next year we expect to see He added: ‘Students currently billion pound spending cuts, the fared worst in the sector, with 13.3% a decline.’ studying should talk to industry and organisation said it was bitterly failing to find work – this compares Nick Mead, chair of CIBSE’s to CIBSE to see what is required so disappointed by the decision. with 11% cent in 2008. Industry, Education and Training they can choose the right course or www.cabe.org.uk But Hecsu’s deputy research Group, said that all areas of add to their modules.’ director Charlie Ball suggested that the sector were affected by the Mead suggested that while the picture – across the board at least recession, but consultancy had studying, students should take Minister sticks by – is better than expected: ‘Graduate seen the biggest drop-off in recent up work opportunites in relevant planning reforms unemployment hasn’t risen as high months. companies not restaurants and bars as we feared and is some way off the He explained that the difficult including unpaid positions. Government has pledged to push levels of the last recession in 1992, jobs situation is ‘largely about He added: ‘Building services is through the scrapping of regional when it reached 11.6%. confidence to employ’ but said there extremely diverse, so jobseekers plans in England, despite losing ‘Prospects for graduates in was also an issue with the large should look at the whole industry, a court battle over the policy. the short-term look brighter, with range, and varying standards, of from design to build to manufacture Following a judicial review of unemployment likely to have building services degrees. to operations.’ the policy brought by housing provider Caia Homes, the High Court ruled that Community Group aims to ease Secretary Eric Pickles had acted Concerns rise over district heating path unlawfully in unilaterally revoking the system of Regional Strategies, A new task force looking into which set housing targets for school projects cutting the cost of district heating English local authorities. and other types of sustainable But Pickles said in a statement Concerns over school budget cuts led to the company’s demise, but community infrastructure, has been that the coalition government continue to grow after building admitted that a dropping-off in set up by energy experts. would be introducing a Localism maintenance company Rok, which orders and constraints in public The Zero Carbon Hub and the Bill shortly that would ‘sweep employs 4,000 people, was taken spending have had an impact. UK Green Building Council are away the last government’s into administration. Meanwhile, local authorities working together to investigate the controversial regional strategies’. The Exeter-based company, are reported to be in talks with cost-cutting measures. He said he would introduce which reported a £3.8m loss for contractors over ways to cut costs Neil Jefferson, chief executive ‘powerful incentives’ to build new the first half of the year, provides by as much as 40 per cent, with of Zero Carbon Hub, said: ‘The homes, adding that a proposed building services for schools, many likely to have to abandon new need to have a suite of “off the ‘New Homes Bonus’ would be councils and housing associations. building projects completely. shelf” legal and administrative announced soon, and would take At the time of going to press, Salford council leader John Merry frameworks to speed deployment effect in April next year. administrators reported plenty told the Guardian newspaper that and reduce costs is a key deliverable ‘Top-down targets do not build of interest from other companies he was now expected to go back on the critical path towards 2016 homes – they have just led to the wanting to buy Rok’s assets. to construction companies to and the work of this task group is lowest peacetime housebuilding The administrators renegotiate deals. vitally important.’ rates since 1924,’ Pickles said. PricewaterhouseCoopers said But, he added, ‘no builder can The group will eventually there was no one factor that had work on the basis of that’. produce guidance.

8 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp08-09 news.indd 8 19/11/10 10:16:15 VICTAULIC Energy certificates INSTALLATION-READY TECHNOLOGY ‘have data errors’ Up to 10 times faster to install Government testing EPC domestic register and works n of energy performance by retrieving the lodged data and than other joining methods. certificates (EPCs) has revealed that calculating the potential effects of about 225,000 contain data errors. different energy efficiency measures The faults equate to about 6% on fuel bills and carbon emissions. PUSH IT of all EPCs lodged since September CLG hopes that enabling 2008. They were found by the consumers to model the impact of Department for Communities different energy efficiency measures, and Local Government (CLG) – and seeing for themselves the during testing of its new free potential savings they could make – online application to encourage will lead to an increased take-up of householders to model what energy the recommendations. efficiency improvements they can The tool has been designed to make to their homes. support all EPCs lodged since According to a letter by CLG, 21 September 2008, using SAP a number of error types have v9.82 software, says CLG. been identified, one of the most Any EPCs lodged before that date significant being an incorrect boiler will not be supported as they were index code. created in a format that does not Advisers who produced allow for consistent recalculation inaccurate certificates for of EPC results. JOIN IT consumers have now been Speaking of the new online instructed to investigate any tool, Richard Hipkiss, director of problems that may arise and to Information Prophets Ltd and a produce a new EPC free of charge CIBSE Low Carbon Energy Assessor, within 10 working days. said: ‘The news of the application Any consumer who has an moves an EPC on a huge step from inaccurate certificate will not be just being a compliance document able to use CLG’s new EPC Adviser to a more useful tool to drive energy tool because it uses the same data reductions.’ gathered to produce the EPC. The EPC Adviser service went live The tool links directly to the at the end of November.

TIGHTEN IT

Hot new idea wins SoPHE award NORTH AMERICA · UNITED KINGDOM · EUROPE MIDDLE EAST · LATIN AMERICA · ASIA PACIFIC Grzegorz Jaroszewicz (left) receives his 2010 Society of Public Health Engineers (SopHE) Young Engineer of the Year award from Ian Fellingham, chairman of the SoPHE education group, last month. This year’s theme was ‘Innovation in Public Health Engineering’ and Jaroszewicz’s entry on energy saving in the production of hot water by the reclaiming of heat energy from grey water impressed the judges. He will now enjoy a trip to New York and Niagara Falls. See page 20

www.cibsejournal.com December 2010 CIBSE Journal 9

CIBSEdec10 pp08-09 news.indd 9 19/11/10 10:16:33 News

News in brief Don’t throw bungs at green

Cameron commits to fund UK wind turbine sector solutions, says energy boss David Cameron has confirmed that he stands by the Labour UK policymakers should Soames warned that a third of the government’s pledge for a n stop giving inducements to country’s coal-fired capacity, two-

£60m funding package to green technologies such as micro- Shutterstock thirds of its oil-fired capacity and help British ports manufacture generation and start building new three quarters of its nuclear capacity and service wind turbines – energy infrastructure, according will be closed down – and that a particularly for use offshore. to the head of a global supplier of disjointed national energy policy Cameron said: ‘We need power generators. means there will be a lack of suitable thousands of offshore turbines Energy policy in Britain is ‘sailing investors in the UK. in the next decade and beyond, perilously close to the rocks’, said He predicted that, without yet neither the factories or these Rupert Soames, chief executive of a massive and immediate large port sites currently exist. Aggreko. programme of building power So we are stepping in.’ While the UK historically had an stations, with concrete being admirable energy policy, Soames poured in the next two years, ‘we Atkins acquires Danish said, the previous government will be in serious danger of the lights design consulancy believed that it could achieve energy going out’. Multi-disciplinary consultant policy objectives by sending signals Call for renewed power infrastructure Energy Secretary Chris Huhne said Atkins has acquired Gimsing to the market about particular in a recent speech to the CBI that & Madsen, an independent favoured technologies by throwing regularly tampered with or changed. the government would be setting specialist consultancy in them ‘bungs’. Each bung, in isolation, is trying to out its plans to ‘reform the electricity bridge and structural design He told the Scottish parliament: achieve a laudable goal. market’ before the end of the year. based in Denmark. The group ‘We had bungs for windfarms, ‘But, in combination, these ‘The current market framework is said that the move would bungs for micro-generation, bungs bungs produce not a symphony not fit to deliver the investment we boost Atkins’ capability in for solar, bungs for tidal energy, to delight investors and lure them need,’ he said, adding that a ‘seismic bridge and tunnelling design and then negative-bungs for coal to our shores, but a confusing and shift’ would be needed to secure and improve its ability to and nuclear. And each bung is discordant cacophony.’ investment in clean technology. respond to opportunities in the Scandinavian road and rail sector. Nuclear future ‘at risk from skills gap’ Langdon awarded UK’s The UK is lacking the skills required fears that not only is the UK lacking the Nuclear Industry Association first energy park to deliver the new nuclear power in skills, regulators will ‘move the said: ‘Ensuring that the UK is well- Peterborough Renewable Energy stations needed for security of goalposts’ once the framework to equipped with relevant specialist has appointed construction supply and a low carbon economy, build the plants has been agreed. skills is key. consultants Davis Langdon, energy industry experts have warned There are proposals to build 10 ‘This could be worth billions an AECOM company, to in a study. new nuclear power plants in the UK, to the country and will provide oversee the building of the first The report, Building Britain’s and up to 300 around the world, in thousands of highly skilled jobs sustainable Energy Park in the Nuclear Future by law firm Berwin the next 20 years, at an estimated at a time when other sectors are UK. Energy Park Peterborough Leighton Paisner and backed by cost of $300bn. shrinking.’ will take in mixed waste and the Nuclear Industry Association, Keith Parker, chief executive of www.blplaw.com recycle and remanufacture it. The Energy Park will produce enough renewable energy to power 60,000 homes, as well as glass, building blocks, metals and compounds.

Efficiency deal for homes EDF Energy, an electricity producer, has signed a deal with carbon reduction company, Sustain, to deliver energy- saving measures such as solid wall insulation, fuel switching and low carbon technologies, in low income areas through the government’s Community Energy Saving Programme University students enjoy modern living – with all the green mod cons (CESP). The agreement will The BREEAM Excellent rated ‘student village’ at Aston University has opened to students. The rooms in the £215m deliver these energy-saving development are in two new apartment blocks of nine and 18 storeys, which have been built in five and seven-bed measures for up to 3,000 clusters. The village includes low-pressure hot water heating, automatic building controls and rainwater harvesting, homes in the UK. installed by engineering firm JS Wright.

10 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp10 news.indd 10 19/11/10 10:34:28 44% Market share leadership in Britain (BSRIA latest research)

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www.cibsejournal.com December 2010 CIBSE Journal 11

p11_CIBSEMagDec10.indd 11 12/11/10 16:30:51 News

News in brief Warnings for sector as figures

Ill wind for turbines The biggest wind turbine maker underline falling growth in the world, Vestas, is to lay off 3,000 workers amid a fall in A leading statistical body construction sectors such as health, demand for clean energy. The n has admitted releasing education and roads, and will put Danish company, which has 12.5 incorrect figures for the growth of huge pressure on local authority per cent of the world turbine the construction industry this year, spending. market, closed its UK factory following a series of challenges from ‘These negative pressures are in Newport, Isle of Wight, last industry analysts and economists. likely to outweigh what will probably year, and is to shut four plants The Office for National Statistics be a slow and uneven recovery in in Denmark and one in Sweden, (ONS) originally stated that the housing, commercial and other while reducing staff levels at construction sector grew by 9.6% private sector construction over the others around the world. for the three months to June, next two years.’ compared with the previous three Separately the Chartered Institute 20-year plan for Brent Cross months. of Purchasing and Supply has Detailed planning consent But the ONS has admitted that warned that the slowdown in the has been given for an urban construction output rose by 6.8 per Fears for construction sector rise construction industry is threatening regeneration scheme in London’s cent. The ONS’s most recent figures an economic recovery in the UK. Brent Cross. The £4.5bn, 20-year for the sector report 4% growth for finance for development remains The institute’s Markit/CIPS scheme will create 7,500 new the third quarter of the year. in short supply. This obstacle to Purchasing Managers’ Index homes, three new schools and Simon Rubinsohn, chief growth is unlikely to ease in the near (PMI) for October shows that the a railway station – Cricklewood economist at the Royal Institute term’. sector was unable to sustain recent Midland. Work will commence in of Chartered Surveyors, said there The Mineral Products growth. 2014 and some 27,000 jobs are were ‘good reasons for maintaining Association’s executive director, David Noble, chief executive of expected to be created. a degree of caution on how well the Simon van der Byl, pointed the institute, said: ‘ Construction will industry will fare over the coming out that ‘the 21% cut in public have to look much harder for new House prices slide again year’. investment set out in the contracts going forward, so it’s no UK house prices slipped, on He added that ‘anecdotal Comprehensive Spending Review surprise that many are cutting jobs average, by 0.7 per cent in evidence continues to indicate that will mean substantial reductions in and reducing purchasing activity.’ October, according to the Nationwide Building Society – with warnings of further falls. Call for tower block The building society reported fire assessment that the average house price was just over £164,000. Newspaper A company specialising in fire safety pundits predicted falls of between is calling for an urgent review of 5% and 10% during 2011, high-rise living accommodation, compared to growth of 5.9% at following a television programme the end of 2009. that exposed safety concerns about tower blocks. Construction deaths down The BBC’s Inside Out West The construction industry Midlands show recently reported remains the most dangerous on possible fire safety failures in despite fewer injuries and deaths recently refurbished blocks within last year, according to the Health the West Midlands area. and Safety Executive (HSE). In particular, there were problems There were 42 deaths in 2009-10, with antiquated alarm systems compared with 52 the previous and fire extinguishers, and lack of year and an average of 66 worker provision of smoke-free exits. deaths per year for the five-year The BBC programme claimed a period from 2004/05. fire officer visited one block that had been refurbished at a cost of £4.7m Clocking up carbon but he still raised questions over its Turning the UK’s clocks back fire safety.

an hour at the end of October Securities Land Simon Jennings of SE Controls creates an extra 500,000 tonnes said: ‘There is an urgent need to of carbon dioxide, according One New Change opens review all the UK’s high rise living to a Cambridge academic. Dr One New Change, the City of London’s largest shopping complex, has accommodation – 224 tower blocks Elizabeth Garnsey told the Energy opened. Designed by architect Jean Nouvel, the development comprises in the West Midlands alone – to and Climate Change Committee 31,000 sq m commercial and 21,000 sq m retail space. It complies with determine that safe levels of fire that reverting to Greenwich Mean Part L of the Building Regulations 2006 and will realise the Mayor of safety and smoke control are Time caused higher energy use London’s target of generating 10% of its energy needs from renewable adequately provided. This inspection and demand in peak periods, sources. Consulting engineers Hoare Lea designed the office and retail should be initiated by independent according to The Times. mechanical, electrical and plumbing systems. inspectors and cannot begin too soon. Urgent action is required.’

12 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp12 news.indd 12 19/11/10 10:35:05 HOUSING s EDUCATION sæHEALTH sæLEISURE sæPUBLIC SECTOR sæCOMMUNITY

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p13_CIBSEMagDec10.indd 13 12/11/10 16:31:42 CIBSE News news Tel: 020 8675 5211 Fax: 020 8675 5449 Email: [email protected] President: Rob Manning BSc (Hons) ENg FCIBSE Chief executive: Stephen Matthews Rewarding success Members have been recognised for their achievements at this year’s President’s Award Dinner Simon Weir www.simonweir.com Weir Simon Andrew Sparkes, from to encourage future excellence. n Coventry University, has won Other awards given out on the the CIBSE Undergraduate Award night were: 2010, and the prize of £500, after impressing judges with his project Gold medals: on Phase change materials for • Ronald Chin was awarded the thermal energy distribution systems Gold medal in recognition of the in buildings. substantial achievements and The CIBSE Undergraduate contributions he has made to the Prize, sponsored by Hays Building development and enhancement Donald Leeper accepts his Gold medal from CIBSE president Rob Manning Services, has been in existence of the building services discipline for more than 18 years. It is in Hong Kong, and his 31 years Silver medals: accounts, as well as being a designed to encourage students working at the Government • Colin Ashford received the silver regional almoner. to develop their potential and of the Hong Kong Special medal in recognition of his • John Benn was recognised aim for excellence. It is awarded Administrative Region. contribution to CIBSE and the for his contribution to the to students in their final year of a • Donald Leeper was recognised Home Counties and South East CIBSE Merseyside and North building services course accredited for his vast contribution to the region, of which he is a former Wales region committee, and by CIBSE, and recognises their building services industry, and chairman, as well as being a for his ongoing contribution to academic achievements. Coventry CIBSE in particular. He has council member. the industry, which includes his University also received a trophy practised in the industry since • Lam Kam Kuen, an active CIBSE mentoring of junior engineers on the night, in recognition of 1966. An honorary member of member in the Hong Kong in the sector. its achievement. BSRIA, he has contributed to region, has worked for the Hong • Sam Collard, an active member The Happold Brilliant award many research steering groups Kong government for more than of the CIBSE North East region was won by the Barlett School and has sat on the Department 35 years, specialising in the design committee, has been chairman of Graduate Studies, University of the Environment’s multi- of building services installations for two years. He has made a College London. This award disciplinary Review Panel for and the promotion of energy large contribution to the region recognises excellence in the Construction Research. He has efficiency. and helped to raise the profile of teaching of building services been a member of the CIBSE • John Kieran Purcell has the building services industry. engineering. The prize of £1,000, Council since 1994, and was worked at Varming Consulting • Colin Bowen, currently vice together with the trophy, is awarded president in 2005/06. Engineers for 40 years, and is chairman, has been an active currently chairman. He is an member of the East Anglia region active member of the CIBSE committee for 10 years. He also Republic of Ireland branch, encouraged the formation of helping to promote the sector the region’s young engineers to school leavers. committee. Regional bronze medals: • Leung Ka Yue is an active member of the Hong Kong region. He has organised social and technical activities for the institution, as well as jointly with peer institutions. • Colin Howlett has been an active committee member of Dr Dejan Mumovic (right) accepts the Merseyside and North Wales the Happold Brilliant award from Rob Dr Kenneth Parker, of Coventry University; Mike McNally, from sponsor Hays region since 1974. He is currently Manning, CIBSE president, on behalf of Building Services; and Andrew Sparkes, winner of the CIBSE Undergraduate Award adviser/auditor of the regional the Bartlett School of Graduate Studies

14 CIBSE Journal MarchDecember 2009 2010 www.cibsejournal.com

CIBSEdec10 pp14-15 CIBSE News.indd 14 19/11/10 10:35:48 CIBSE News

Journal ranked as top benefit in institution’s membership survey The second CIBSE Member of the membership products and or effective. The delivery of topical n Satisfaction Survey took place services in terms of importance news and information also scored

last month and the results were very Shutterstock and satisfaction for the second highly, as did specialist and encouraging. year in a row, closely followed by technical information. In total, 60% of members rated the CIBSE website and then CIBSE Since the survey last year, CIBSE the value gained from CIBSE membership services. has worked hard to improve its membership as very high or fairly The top five CIBSE products and electronic communications, and high, and more than 75% said they services were rated as: both the website and the email were satisfied or fairly satisfied with • CIBSE Journal newsletter have been re-launched. their membership. • CIBSE website (www.cibse.org) Responses to both have been The primary reason for holding • CIBSE membership services positive, with 89% satisfied with CIBSE membership for more than • Professional training and the website and 85% satisfied two-thirds of respondents was development opportunities with the email newsletter. CIBSE professional recognition, followed belonging were also rated highly. • Online CPD will continue to improve these by 25% who highlighted access And 56% of members said they Members rated publications communication tools to ensure that to knowledge and information. are planning to progress their as the area that CIBSE was most they deliver the topical and timely Professional development and membership grade. effective at delivering, with 86% information that members are a professional home/sense of The CIBSE Journal was rated top believing they were very effective looking for. Nurturing the next engineering generation CIBSE has just published three new qualified engineers enjoy. at www.cibse.org, and hard hard copy resources, especially careers factsheets. Fighting Climate Change copy supplies are available from posters, which can be displayed Supported by CIBSE Patrons, addresses young people’s [email protected] in classrooms and they were put together in response increasing knowledge and It’s interesting that, libraries, and act as to Engineering UK’s recent concerns about environmental although we live in teaching resources. research into what influences issues, highlighting CIBSE an increasingly digital Demand for our young people’s career choices. members as 'low carbon heroes'. world, only 19% of Make a Difference poster Some 73% of young people Finally, Creative Design in BSE young people report and factsheet remains surveyed cited parents as a major responds to the finding that many internet sites as a key strong, and – thanks influence, so the new factsheet, young people who enjoy design influencing factor in again to CIBSE Patrons called Talking to Parents, focuses and technology at school do not their career choice. – we have been able to on the importance of choosing realise that these subjects have In contrast, careers continue making physics and maths at A-level, long- engineering applications. advisers and teachers this resource available, term careers prospects in Building These new factsheets bring are cited as much more influential helping to maintain a high profile Services Engineering (BSE) and the total suite to 12. They can be – and feedback from them for building services engineering the high status that professionally accessed through CIBSE’s website, reveals a continuing need for in schools.

CIBSE workshop – the Future of Building Regulations The institution’s recent and Local Government (CLG), 3. Embrace localism and the ‘big them with energy performance workshop on the Future of presented the programme of society’ agenda. regulations. Building Regulations explored future development work on the The presentations and a report Key points raised include: what new revisions will be made Building Regulations, and said an on the evening workshop can 1. Buildings should be revisited to Part L in 2013. announcement was due shortly on be found in the ‘Presentations’ after completion to review their The evening workshop what measures will be considered section of the Knowledge Bank at carbon dioxide emissions; started by reviewing the results in detail in the consultation, www.cibse.org 2. Better enforcement is needed, of the recent CIBSE survey on scheduled for late 2011. Participants broke into groups especially when working on enforcement, and summarised A package of changes are to discuss the four key topics in existing buildings; the institution’s response to expected be announced in late CIBSE’s response to CLG on the 3. Logbooks should be better the minister. 2012 and implemented in 2013. Future of Building Regulations, policed and electronic versions The survey clearly CLG has the following aims for which were: required as standard; demonstrated that Part L the review: • Compliance and enforcement; 4. Occupation should not compliance is not 1. Explore ways to increase • Compliance criteria and better be allowed until Building comprehensively enforced compliance with Building metrics; Regulations compliance is by building control officers Regulations, and ensure • Are existing buildings dealt with signed off; and at present. regulations are effective and adequately? and 5. Part L and the Energy Brian Martin, from the deliver what they set out to do; • The simplification of the Performance of Buildings Department of Communities 2. Reduce the regulatory burden; regulations and combining regulations should be merged.

www.cibsejournal.com December 2010 CIBSE Journal 15

CIBSEdec10 pp14-15 CIBSE News.indd 15 19/11/10 10:36:11 News analysis UK Green Deal

Wholesale Shutterstock solution? What sort of green ‘deal’ is being offered by ministers to UK consumers to cut their energy use? Carina Bailey reports on the latest proposals

Improving existing buildings involvement of high street retailers n has finally been set as a have for the building services priority in the UK government’s sector? agenda. Energy and Climate Change The Federation of Environmental Minister Chris Huhne last month Trade Associations (FETA), which Will the Green Deal promote much more than home insulation and fail to improve set out ‘three steps’ by which represents manufacturers, doesn’t overall efficiency, experts ask? householders and businesses could see this development as a problem. take part in the proposed ‘Green Director general Cedric Sloan says: airtightness of a home need to be more likely we are going to need Deal’ programme. Full details of ‘Their size and funding may allow approached holistically. somebody who fundamentally the scheme are yet to emerge, but them to be the only “one-stop He says: ‘You have to make sure understands the home as a system, legislation for the policy is expected shop” available to the consumer to you don’t create more problems but at the moment, the jury is still to be introduced to parliament access all available schemes and than you’re actually trying to solve. out on whether the Green Deal is this month. allowances.’ I actually think that cavity wall going to be the thing that delivers The deal is expected to be However, he is concerned about insulation is probably not enough, that.’ available from autumn 2012. exactly what works will be covered it’s probably questionable. The But David Frise, head of From 2015, housing tenants will by the Green Deal: ‘Our fear is that it breathability of a building could be sustainability at the Heating also be able to ask their landlords will not take an holistic approach. affected if you’re not careful.’ and Ventilating Contractors’ for reasonable energy efficiency ‘Rather, it seems to restrict itself But one of the most important Association, is certain the key is to measures under the forthcoming to matters such as insulation. aspects of making the Green stick to basic measures, such as Energy Bill. This will allow local This in itself is not a problem. The Deal work, emphasises Smith, is insulation, energy efficient lighting authorities to insist that landlords problem arises if other relevant education. ‘You have to know how and low energy systems, such as carry out the works. factors are ignored – for example, to manage your house. People have condensing boilers. However, there are fears that why insulate a home with a wasteful got to learn if they have a heavily ‘Once the basics have been the initiative focuses too heavily on old boiler consuming too much insulated and airtight building what mastered and widely applied, insulation rather than whole-house energy?’ effect opening the window has on then we can look to add more refits. And the latest announcement For the Green Deal to have the the ventilation.’ sophistication, but it is crucial that shows a high level of interest in greatest impact, Sloan believes it John Alker, director of policy and we avoid green bling,’ he says. ‘selling’ the new policy by household must encourage a whole- house communications at the UK Green ‘Some of the legislation has names, such as DIY specialist B&Q approach that analyses air leakage, Building Council, believes the main pushed people into making the and energy supplier British Gas. heating, controls and insulation and opportunities for engineers will wrong choices and it is essential Even retail giant Marks & Spencer then prioritises the most effective come from retrofitting the non- that the loans are not frittered away is advertising its ‘M&S Energy’ arm solution(s). domestic sector. He says: ‘Almost on inappropriate technologies that in the national press, offering to Simon Smith, UK director of any non-domestic building retrofit do not deliver.’ provide all your insulation needs, buildings at building services group is going to need building services However, Nick Cullen, partner ‘from expert advice to installation’. Ramboll, agrees that any measures engineers.’ at Hoare Lea, fears that lack of But what implications could the that aim to insulate and improve the But Alker agrees that domestic competency to carry out the work should be about whole-house measures could be the biggest packages that are capable of deep barrier to making the Green Deal a Three steps to getting a green deal emissions cuts rather than simply success. Step 1 – an independent energy survey of the property, giving clear advice insulation, adding that when it gets He says: ‘The UK has an incredibly on the best energy efficiency options, like loft and/or cavity wall insulation. to this stage, it needs to be done by diverse range of building types Step 2 – Green Deal finance to be provided by a range of accredited experts, not high street retailers. and their energy performance providers, which will be repaid through savings on energy bills, making ‘The idea of Tesco or B&Q improvement will require skills in properties cheaper to run from day one. sending out builders to do major construction and the other trades but Step 3 – Homes and businesses to receive their energy efficiency package. retrofits is an idea that a lot of also an understanding of potential Only accredited measures will be installed by appropriately-qualified people would dread, unless they’re problems that can arise with installers, overseen by government, giving consumers confidence that the working with teams of architects energy retrofits, such as interstitial deal they are getting is high-quality and will save them money. and engineers who really know what condensation or reduced ventilation. Source: www.decc.gov.uk they’re talking about. It would a disaster if in curing one ill ‘The deeper the retrofit, the we create a bigger one elsewhere.’ l

16 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp16 newsanalysis.indd 16 19/11/10 10:37:11 Air-Water Heat Pump A4.ai 1 08/10/2010 12:53

www.cibsejournal.com December 2010 CIBSE Journal 31

p31_CIBSEMagDec10.indd 31 12/11/10 16:33:32 CIBSE awards 2011 The shortlists Best performers The actual performance of buildings is at the heart of the new-style CIBSE annual awards. We unveil the shortlisted entries for 2011

The CIBSE Building renewable technologies to improve n Performance Awards performance and reduce carbon recognise, reward and celebrate the emissions throughout the life of best performance, innovation and the building. At the same time, practice in building services. As with the building must deliver the high Winning line-up: the CIBSE Low Carbon Awards recipients in 2010 previous years, the 2011 awards levels of comfort and performance will be held at London’s Grosvenor required by occupants. Similarly, Project of the Year Award will performance. The award is primarily House, and will take place on the the Refurbishment Project Award recognise an organisation or project focused on the ongoing programme evening of 9 February. will honour the candidate that can team that can best demonstrate for the management of existing The awards now have a new demonstrate the use of outstanding the process that they undertook in building(s) to achieve improved name, but they build upon the design and construction to deliver commissioning a building, and the performance. The winning entry scope and success of the CIBSE Low energy efficiency. resulting benefits to the performance will show thorough evidence of Carbon Performance Awards that Evidence of the actual of the building, to the client, and to measured performance over at least were launched in 2007. performance of the building the users. a year of operation. One of the most popular compared, where possible, with Looking more towards the Achieving a positive impact on categories in the awards in terms performance before refurbishment, successful operation of a building the actual performance of a building of submissions, the New Build will be a key factor in choosing the or group of buildings in practice, the in practice is also very much about Project of the Year Award, will be winning entry, which will also be Building Operation Award marks individual staff aptitude and training. presented to the building that most expected to indicate the anticipated the achievements of the building Hence, the Training for Building effectively combines construction payback period on capital costs. manager or team responsible for Performance Award recognises an materials with low carbon and Meanwhile, the Commissioning delivering outstanding building organisation that has excelled in

Awards: the shortlists in full (candidates in alphabetical order)

Building Operation (submitted by Richards Partington Low Carbon Consultant of the Year Energy-using Product (Sponsored by Gratte Brothers) Architects) To be announced on the awards night, (Sponsored by FlaktWoods) British Land Group: York House Royal Mail (submitted National 9 February A O Smith Water Products Eli Lilly and Co: Erl Wood Manor Design Consultancy) Jayhawk International Power Efficiency: Midsummer Place New Build Project of the Year Long Vision (HK) Trading Company Shopping Centre Client of the Year – Public Sector Aedas Architects, Loxford School PhotonStarLED (EcoStar) Transport for London: head-office (Sponsored by Elya Fans) Arup, Eleven Brindley Place PhotonStarLED (SmartNemesis) buildings Heart of England Foundation NHS Arup Associates, Harlequin 1 Zehnder Trust (submitted by Cynergin and (BSkyB) Building Services Consultancy of ENER-G) BDP, Graham headquarters Refurbishment Project the Year (Sponsored by Balfour Metropolitan Housing Trust Hoare Lea, The Scarlet (Sponsored by Vaillant) Beatty) Scottish Environment Protection JPW Construction, Canolfan AECOM, National Audit Office AECOM Agency, Scottish Natural Heritage Hyddgen Arup Scotland, Scotstoun House Arup and the Joint Nature Conservation Max Fordham, Bohozone Core BDP, Carrolls Building Atelier Ten Committee (submitted by URS/ Building 1 Ernest Griffiths, Elizabeth II Court Hoare Lea Scott Wilson) Red Engineering Design, Capgemini Hoare Lea, Highbury Square Red Engineering Design Merlin data centre John Thompson & Partners, 23-25 TACE Commissioning Project of the Year Richards Partington Architects, Great Sutton St URS/Scott Wilson EDP Consulting Ltd, Co-op foodstore Temple Avenue Project Metropolitan Housing Trust, Hong Kong Polytechnic University, Steenven Varming, National Portrait Victorian Properties Project Carbon Champion of the Year International Commerce Centre, Gallery, Australia To be announced on the awards night Hong Kong Training for Building Performance J V Tierney and Co, Criminal Courts Passive (energy-related) Product (Sponsored by SummitSkills) Client of the Year – Large of Justice, Dublin of the Year ABS Consulting (Sponsored by Imtec) Blygold UK Alumet Systems UK Better Buildings Partnership Integrated Project Team eTRV CCL Consulting John Lewis Partnership (submitted EDP Consulting Laing O’Rourke and BDP Crown House by Synergy BSS) Hoare Lea Passivent Technologies Joseph Rowntree Housing Trust Metropolitan Housing Trust Svenska Aerogel TACE

18 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp18-19 awards.indd 18 19/11/10 10:37:37 using training and development to successfully as a key and integral part further the use of low carbon and of project teams that have delivered The judges sustainable technologies in their new/refurbished buildings that business, whichever part of the operate to the highest standards of Jon Ashford, Sainsbury’s Bill Gething, consultant sector supply chain it operates in. low carbon performance. Jon is head of energy Bill is an independent This outcome can be demonstrated Two awards recognise and sustainability at architecture and in terms of design, construction, manufacturers and their innovative Sainsbury’s. He is sustainability commissioning or operation. sustainable products. The Energy also a member of the consultant, having The value of integrated teams Using Product Award is aimed at policy committee at the UK Green been a long-standing partner at in achieving outstanding building building services products that Building Council. Feilden Clegg Bradley Studios. projects is widely recognised in the use delivered energy themselves, industry. The Integrated Project for example in the delivery of Paddy Conaghan, Hoare Lea Doug King, King Shaw Associates Team Award rewards examples of heating or ventilation. The Passive Paddy is a former Doug is founder of teams that demonstrate outstanding (energy related) Product of the senior partner and consulting engineers project outcomes on one or more Year, by contrast, will be won by a now consultant with King Shaw Associates new build or refurbishment projects. product that doesn’t directly use Hoare Lea. and a Visiting The two awards to Clients – one delivered energy, but which may Professor at Bath University. for large clients, the other for public generate energy itself or reduce Hywel Davies, CIBSE sector organisations – recognise energy demand – for example, Hywel is technical Rob Manning, CIBSE outstanding client-led initiatives to solar heating or control systems or director with Rob is president improve the performance of existing heat recovery units. Innovation in responsibility for of CIBSE and a buildings, as well as gauging user design/technology and evidence of technical director of AECOM, feedback on the changes made. performance will be key factors for development of CIBSE’s where he heads up The Building Services both awards. publications, guidance, and policy the company’s healthcare sector. Consultancy of the Year Award, The awards night, on 9 for engineers. which is open to both large and February, once again promises to Alan Tulla, SLL smaller companies, will recognise showcase the best advancements David Frise, HVCA Alan is the current the fi rm that demonstrates best and achievements in low carbon David is head of president of the overall performance in designing performance across the supply sustainability at the Society of Light and and delivering aspirational and chain. To book your table at the Heating and Lighting (SLL). sustainable buildings. The winner event, visit www.cibseawards.org or Ventilating He currently holds the SLL will have to show that they can work call 020 7324 2764. ● Contractors’ Association. Diploma in Lighting.

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www.cibsejournal.com December 2010 CIBSE Journal 19

CIBSEdec10 pp18-19 awards.indd 19 19/11/10 10:38:06 Hot contender

Engineers should never forget to think outside the box, says Grzegorz Jaroszewicz, this year’s Society of Public Health Engineers (SoPHE) Young Engineer of the Year award winner. He talks to Carina Bailey

ou could say engineering is in Grzegorz the best way to enjoy engineering, and discover that Jaroszewicz’s blood. The 27-year-old, who nothing is ever fi nished – there is always something moved to the UK from Poland in 2008 that can be done better. It was pure outside-the-box when he joined Arup, is from a family of thinking, something which all engineers should always engineers.Y ‘It seemed a natural decision for me. I remember to do.’ decided to study environmental engineering after He adds: ‘These competitions inspired me to push being slightly infl uenced by my oldest brother, who is the boundaries of engineering, continue my research a structural engineer!’ and look more critically at rigorous design schemes Jaroszewicz, known as Greg to friends, impressed and other peoples’ designing habits, because if the judges of this year’s SoPHE Young Engineer of the something was designed in a certain way and it worked Year Award with his entry. This year’s awards theme okay, it does not mean that we cannot do better in the was Innovation in Public Health Engineering. In the future.’ past he has also won the award as part of a team. Each award entry was judged on the quality of the Now based at consulting engineer Hoare Lea’s proposal, its fi tness for purpose, originality, potential Bristol offi ce, Jaroszewicz wins a trip to New York and benefi t to the community and practical application. Ian a visit the Niagara Falls for his winning entry on saving Fellingham, who is chairman of the SoPHE education energy in the production of hot water by reclaiming group and responsible for running the SoPHE heat from grey water. YEA award, says: ‘The research material presented He says he is very proud of his achievement, which [by Jaroszewicz] was convincing, and it was felt he he says helped him to learn valuable lessons in demonstrated how this innovation could potentially engineering: ‘Taking part in SoPHE YEA was, for me, reduce the energy consumption necessary in hot water systems in both domestic and commercial markets.’ To take part, entrants had to make an initial The Society of Public Health Engineers submission using only one single A3 sheet to convey The CIBSE Society of Public Health Engineers (SoPHE) was set up to provide their ideas in a conceptual form. These were then a higher profi le and focus for public health engineering, and a route to gaining reviewed and the best entries invited to further develop professional status. their concept, for presentation in front of a judging SoPHE aims to promote the art, science and practice of public health panel. engineering, along with raising the awareness of the contribution engineers Jaroszewicz’s project, Heat recovery unit from hot make to this sector. Through organised technical talks, evening events and waste water, concentrated on decreasing the amount newsletters, members are kept informed of specifi c developments and of energy needed for hot water by preheating incoming relevant updates on legislation, as well as having the opportunity to network cold water on its way to the hot water cylinder using the with colleagues. Through the society, members are able to input into CIBSE hot wastewater from sanitary appliances. publications and government consultations. ‘The proposed heat recovery system is in principle To fi nd out more about joining, visit www.cibse.org/sophe very simple,’ Jaroszewicz explains. ‘Hot waste water collects in drains and fl ows to the wastewater

20 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp20-21 SOPHE.indd 20 19/11/10 10:38:41 Public health SoPHE award

attenuation tank. Then, the hot wastewater flows that can be made in the fi eld of energy savings and through a heat exchanger. people could not afford not to use it.’ ‘The heat reclaimed from the hot waste water is then Jaroszewicz’s interest in the competition was fi rst transferred to the incoming cold water on its way to the ignited in 2009 when he entered the award as part hot water cylinder. of a group with his Arup colleagues at the time. This ‘Additional benefits can be achieved by a grey year, he was no less enthusiastic. ‘When I fi nally saw water recycling facility, as grey waste water is already what the challenge was, I immediately started intense separated from foul water.’ research. I must admit that it was extremely motivating Reducing energy from building services was a key for my day-to-day job, and I found that the more time driver for Jaroszewicz in his project, and he felt that I was spending on this project, the more satisfying it nothing like this had ever been attempted before. ‘Since was.’ buildings are better insulated, energy consumption The most challenging part of the entry process, he If something for space heating has been drastically reduced. On says, was trying to cram all his ideas onto one A3 sheet was designed the other hand, hot water consumption has been of paper. increasing annually. Jaroszewicz has a history of winning. He studied in a certain way ‘The usual measures for reducing energy at the University of Life Science and Technology and it worked consumption are renewable energy sources, but in Bydgoszcz, Poland, and received an MSc in okay, it does their installation costs and payback period might put engineering, specialising in building services. In 2007, off possible customers. And up till now nothing has at university, he was named Best Graduate of the Year, not mean that been done to reclaim the energy used for hot-water and he came third in the Best Thesis of the Year. we cannot do generation. That is why I decided to focus on one of He is now a member of two professional engineering better in the the biggest energy eaters in our homes: hot-water bodies, becoming a chartered engineer with the Polish generation. Chamber of Engineers and a member of CIBSE in 2009. future – ‘I believe that installing a heat recovery unit may A few months later he was registered as a chartered Grzegorz result in 50% savings on the energy consumption for engineer with the Engineering Council. His ambitions Jaroszewicz hot water generation, cut CO2 emissions, and end- for the future, he says, include working on ‘challenging users will have to pay just half of the energy bill. This projects, to keep learning and continue my research and would make it one of the most profi table investments broaden my knowledge on sustainability’. ●  

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www.cibsejournal.com December 2010 CIBSE Journal 21

CIBSEdec10 pp20-21 SOPHE.indd 21 19/11/10 10:39:03 Letters

Centres of excellence have there is certainly something to be said for my own 60 years of working life. So, let us different faces building services engineering training. do what we can to encourage young people I welcome CIBSE’s positive response to the Bill Lenehan, Hamburg into the undoubtedly rewarding world of publication of Engineering a Low Carbon Built engineering. Environment as outlined by Stephen Matthews Rewarding future in engineering David G Parratt JP, LLB, FRICS, FCIArb, in last month’s CIBSE News (‘We are meeting I read the Journal article ‘Unequal start’ with DipICArb, FBEng, FSPE, PEng, MAE, MSLL future challenges’, page 18). The substantial great interest (November Journal, page 28). funding to support two further visiting To gain entry into one of the engineering Unifi ed voice for the profession professors of building physics can only have professions, young people need to study the Further to the letters from Ian Brown a positive impact on our industry and the basic subjects for A Level (or equivalent). (September) and Andrew Ramsay (October), education of our future recruits. I am also To that end, the Society of Professional which highlighted the question of national grateful that CIBSE is supporting the present Engineers has launched its charitable arm leadership in the engineering professions, it work to establish the economic case for may be of interest for readers to know centres of excellence to act as focuses for that in recent years the professional knowledge, teaching and research in the engineering community has been fi eld. working together to present a unifi ed Unfortunately, the diagram published voice to the UK government and the with the article could lead to the belief devolved assemblies. that the centres of excellence are fait To my knowledge there are currently accompli, as many will recognise that it two such bodies. The fi rst, Engineering represents Bath University. I would like the Future, is a broad alliance of to assure colleagues at other universities, engineering institutions and associated particularly those presently contributing bodies, including the Engineering to the design for the centres, that this is Council, EngineeringUK and the Royal not the case. Developing the model for Academy of Engineering, which work centres of excellence is ongoing work, together to present engineering policy based on the experiences and capabilities to government. of a number of different universities, not The second body, Education for just Bath. My apologies for the error. Engineering (E4E), which I chair, acts Doug King FInstP FCIBSE to provide a single, coherent voice from the profession on education and We are natural collaborators skills. We have representation from all In the article ‘Professional engagement’, it 36 engineering institutions and work was suggested that different engineering together to infl uence the government’s professionals be encouraged to develop education and skills policy to improve interdisciplinary and collaborative skills the supply of engineers and technicians in order to be innovative (November for the future needs of the country Journal, page 35). Typically, a building and to support our economic recovery. services engineer will have a common called Exciting Engineering. The object of The full E4E briefing can be found at building services education and then, at this charity is to encourage young people to www.educationforengineering.org.uk/e4e_ some point, decide to opt for mechanical, plan early enough for a satisfying life-long briefi ng.pdf electrical, controls or some other speciality. career. It is hoped that, through publicity Doug Oughton FREng HonFCIBSE By contrast, engineers in heavier industries and talks to schools and careers conventions, Consultant, AECOM such as oil and gas, petrochem and power young people of both sexes can be persuaded generation specialise more, which makes to study the ‘hard’ subjects of mathematics interdisciplinary and collaborative skills and science. CIBSE Journal welcomes article proposals from more diffi cult to develop. When I was failing in maths at school, any reader, wherever you are – whether it be letters, longer opinion pieces, news stories, Some of the best engineering and project those who encouraged me to try harder people or events listings, humorous items, or any managers in these heavier industries have have earned my immeasurable gratitude ideas for possible articles. building services backgrounds. These people because my ultimate success has led me to Please send all letters and any other items for are often regarded as a little suspicious a lifetime of satisfying work. My father, who possible publication to: bcervi@cibsejournal. because they are not dyed-in-the-wool piping was a senior local government offi cer, came com, or write to Bob Cervi, Editor, CIBSE Journal, Cambridge Publishers Ltd, 275 Newmarket Road, or process engineers, but what they do have is home from work one day and said: ‘I’ve had Cambridge, CB5 8JE, UK. We reserve the right to neutrality and, most importantly, a knack for a wonderful day today: I’ve done some civil edit all letters. Please indicate how you wish your understanding the needs of every discipline engineering.’ I have never forgotten that letter to be attributed, and whether you wish to have your contact details included. in the team, to get the project moving. So, comment and I have found it to be true in

22 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp22 letters.indd 22 19/11/10 11:58:35 Opinion Getting real on ‘zero’

New homes continue to be built to ‘low carbon’ standards but, asks Malcolm Bell, how do we know if they are anywhere near this defi nition without ongoing performance testing?

In 2006 the UK government took the bold is not undertaken at the right level of detail, detailed step of declaring that the UK could achieve calculation seems to be avoided, and there is little zero carbon new housing within 10 years, and understanding of as-constructed performance of whole this was enthusiastically embraced (at least in systems or the tolerances involved. Tpublic) by leaders in the house building industry. Four In addition, construction planning does not include years on, the defi nition of ‘zero carbon’ is still under detailed work sequencing such that one operation discussion. Meanwhile a number of supposedly low does not hinder another and reduce performance. and zero carbon developments are under construction Commissioning of services does not involve stringent – but the extent to which their design claims will performance measurement of all aspects of the system. be supported by good performance data remains Residents are often left bewildered by controls – as are alarmingly unclear. professionals, too, sometimes! The performance claims Indeed, if our recent research is anything to made by the supply chain rarely take into account the go by, such ‘zero carbon’ housing may turn out real conditions in which products to be anything but. Detailed monitoring carried are applied. out in the last five years on two new housing The solutions to all these What is required developments, Stamford Brook in Cheshire and hindrances lie in building an Elm Tree Mews in York, tell similar stories of a effective feedback system based is nothing short serious shortfall in the performance of both fabric on well-run and independently of a re-tooling of the and services. verifi ed performance measurement Trials at the two developments – both of which were regimes. Without feedback there is industry and its conducted by my research group at Leeds Metropolitan no learning and no improvement. processes University – showed fabric heat loss to be 50% to The design and construction 100% higher than intended at design stage. The team at Elm Tree Mews had a very diffi cult job when system effi ciencies of the properties were also well faced with no data or guidance on the real performance below those assumed in the modelling. Monitoring of the fabric and services systems they were working at Stamford Brook suggested a gap of around 25% with. They did the best that could be done and their between designed and actual carbon emissions. At pioneering efforts should be applauded. Elm Tree Mews the gap was about 80%. The feedback that can be provided by schemes such These results are echoed by other studies. In the last as Elm Tree Mews needs to be repeated so that we learn fi ve years we have measured heat loss from almost 20 what level of as-constructed performance is possible, dwellings. Not one performed as designed. The worst what process control is required to ensure robust performer was 120% higher than predicted; the best performance, and what approach to measurement just over 10% higher. The average was about 60%. and monitoring will ensure that the gap is closed and These numbers are very disturbing – and do not kept closed. bode well for meeting the UK’s carbon targets. While What is required is nothing short of a re-tooling of the recognition of the problem does seem to be increasing industry and its processes, led by good feedback: while within government, the industry and the Zero Carbon the government can make substantial improvements Hub – the advisory body that is working on a defi nition to regulation and the building control regime, this will of ‘zero carbon’ – action remains sluggish. (Almost not work unless everyone in the industry, including three years on, I am still waiting for the government its academics, takes responsibility for ensuring to publish the Stamford Brook report!) compliance. ● Where do the underlying problems lie, and what should be done to tackle them? The forensic analysis Malcolm Bell is Downing Professor of Surveying and undertaken at Elm Tree Mews and Stamford Brook Sustainable Housing, Centre for the Built Environment, Leeds Metropolitan University sheds light on these questions. We found that design

www.cibsejournal.com December 2010 CIBSE Journal 23

CIBSEdec10 pp23 opinion.indd 23 19/11/10 10:48:11 Legal All change for the regs A new consolidated set of building regulations for England and Wales was published in September. Hywel Davies discusses what this means for building services engineers

he last few months have seen significant changes calculations to comply with Regulation 17C now to the Building Regulations, not least the latest need to turn to Regulation 26. Energy performance revisions to Part L. While these are not on the certificates, formerly required by Regulation 17E, scale of the 2006 revisions, there is plenty of are now in Regulation 29. Regulation 20C, covering Tdetail under the surface. It is important to remember commissioning, has gone to Regulation 44. that Part L – which is legally binding – is just a few And one item has moved from being Requirement paragraphs. It states that ‘reasonable provision shall be L1(c) in Part L to being a regulation in its own right made for the conservation of fuel and power’ and that – Regulation 40: ‘Fixed Building Services [shall be] energy efficient [and] ‘information about use have effective controls’. of fuel and power’. So the The four new Approved Documents – ADL1A&B for requirement to provide a Combining the two new homes and work to existing homes, and ADL2A&B building log book is now sets of regulations for other new buildings and existing buildings – are a regulation in its own accompanied by two new compliance guides for right. The regulations in 2013 would make domestic and non-domestic building services. Much of most relevant to electrical everyone’s life – not least in the detailed guidance relating to specific ‘fixed building suppliers and installers services’ systems (the lighting, hot water, heating and are: those addressing building services cooling and ventilation systems) is now in the compliance commissioning, which – a whole guides rather than the Approved Documents (ADs). is a requirement of The ADs and compliance guides are officially regulation 25 for all lot easier sanctioned to provide guidance on how to comply fixed building services; with the Part L requirements, and they explain what and information about use of fuel and power, which is ‘reasonable provision’ could look like. But they are not covered by regulation 40. Regulation 17, which covers prescriptive, except where they quote the regulations, the issue of completion certificates by building control, and each document makes it clear that there is freedom may also be relevant where electrical installation is the WEBLINKS to make reasonable provision in other ways, as long sole or main work undertaken. Regulation 13 covers the l Planning Portal, for all Approved Documents... as the Building Control Officer accepts the alternative requirements to deposit information with plans when www.planningportal.gov. solution. they are submitted to building control. uk/buildingregulations/ In September this year the 2010 edition of the Another detailed consequence of the new regulations approveddocuments/ Building Regulations was laid in parliament, thereby is a series of consequential amendments to the Energy l The page that has links to consolidating the last 10 years of change and revision Performance of Buildings Regulations – to align the cross- the Building Act, Sustainable into one ordered set of rules. They now contain 54 references in these to the new Building Regulations. It and Secure Buildings Act, Building Regulations 2010 specific regulations, covering control of building works, really serves to demonstrate the logic and scope to www.planningportal.gov. notices, plans and certificates, supervision and self- streamline the various regulations for energy performance uk/buildingregulations/ certification, energy and water efficiency requirements, of our buildings by pulling the two sets of regulations buildingpolicyandlegislation/ information provision, testing and commissioning, and together into one single, coordinated set of rules. currentlegislation/ transitional provisions. It may be asking too much, but if UK government l The front page for the The first thing to note is that when you take the 2010 ministers are serious about reducing red tape and Building Regulations area of Approved Documents and compare them to the 2010 regulatory burdens, then combining these two sets of Planning Portal: www.planningportal.gov.uk/ Building Regulations, the regulation numbers do not regulations would certainly make everyone’s life – not buildingregulations/ match! The ADs were produced to provide guidance on least in building services – a whole lot easier. l l Building Regulations 2010 the 2000 Building Reg, and subsequent amendments. www.legislation.gov.uk/ Hywel Davies is technical director of CIBSE So, for example, those used to doing carbon emissions uksi/2010/2214/made

24 CIBSE Journal December 2010 www.cibsejournal.com

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p25_CIBSEMagDec10.indd 25 12/11/10 16:32:32 Space invaders

The global recession may have delayed construction of some of the world’s most ambitious skyscapers, but new projects continue to soar ever higher. Mark Jansen looks at some key challenges these structures pose for specifi ers of services

26 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp26-30 feature_tall buildings.indd 26 19/11/10 10:43:29 Tall buildings 1 Services

London’s skyline has been transformed by the tall buildings that have shot up in and around the City. Notable examples are the cone-shaped ‘Gherkin’, behind which looms the much older Tower 42 (formerly the NatWest Tower). Left of these is an artist’s impression of the even-taller 47-storey Leadenhall Building, yet to begin construction

uper-tall buildings provide building services developments, according to Bernard Antieul, regional engineers with the luxury of plenty of room director at consulting engineer hurleypalmerflatt. Tall to play with when specifying installations, buildings need a large core to house the multiple lifts, right? Wrong. A recurring challenge for design toilet pipework, heating and chilled water pipework, professionalsS working on these structures is that, ventilation ducts, escape staircases and electrical paradoxically, as they rise higher, so the services tend equipment used by the occupants. to demand a bigger share of the available space. And Services engineers are usually brought in at the start this outcome, not surprisingly, is resisted by developers of design work and are under constant pressure to pare wanting to maximise the amount of lettable area. back the space they take up. ‘Each time you have a new The net-to-gross space ratio in a tall building is usually building layout, you have to go back to square one and just 60% to 70% compared with 80% for low-rise redesign those cores, and on a tall building you could >

www.cibsejournal.com December 2010 CIBSE Journal 27

CIBSEdec10 pp26-30 feature_tall buildings.indd 27 19/11/10 10:43:50 The proposed Leadenhall Building is to provide sky-high office space in the City of London. Work on the development is due to begin next summer

> easily do that 25 or 30 times,’ adds Antieul, whose CV In addition to pumps, plate heat exchangers are also includes work on Land Securities’ 38-storey ‘Walkie placed at intervals up the building to break the pressure Talkie’ at 20 Fenchurch Street in the City of London, in the water column while transferring warmth. and Riverside South, the new headquarters building for However, as Arup associate director James Thonger JP Morgan at Canary Wharf, which will boast towers of notes, several degrees may be lost each time the warmth 45 and 37 storeys respectively. The downturn has meant is passed through an exchanger. The solution may be to that both projects are delayed, although the design work use bigger exchangers, but this comes at an extra cost, on each is well advanced. requiring a fresh cost-benefit analysis. There is also a trade-off between the number of pressure breaks that Pump it up may be desirable and the space they take up. Solar The challenge of getting water for sanitation and Building services engineers must compensate for photovoltaic ventilation systems to the top of a tall building is the thermal expansion and contraction of pipework on dealt with by having a series of pumps and valves at tall buildings, because the movements become much cells, with their intermediate stages along its height. This avoids the more significant. Pipework is broken into sections long payback need for massive pumping power and pipe thicknesses and independently supported at the top, middle and periods, are to deal with enormous water pressures at the base of bottom. the column. Flexible joints resembling a concertina are one way to expensive. Solar However, this process also creates a new space absorb the movements; another is to fit short horizontal thermal may demand, as does the need to have several electricity sub- sections, forming a series of right-angled bends, along produce some stations dotted around a tall building, as opposed to a the vertical length of the pipe, although this takes up single sub-station in the basement, which would suffice more space. Thonger points out that wind-induced hot water, but for a low-rise. The result is more plant floors. movement of a tall building can interfere with the lifts the real energy Antieul points out that plant floors can require greater and a great deal of design and calculation work goes need in tall floor-to-ceiling heights than is typical for other floors into limiting it. and this irregularity must somehow be incorporated A 500mm riser in a 50-storey building will easily buildings is for into the external look of the building, rather than crudely weigh 40 tonnes, so serious thought must go into cooling concealed with some louvre shading. how it will be supported. The decision will affect the

28 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp26-30 feature_tall buildings.indd 28 19/11/10 10:44:21 Tall buildings 1 Services

construction sequence. If a riser is suspended from the External air circulates between the inner and outer skin top of the building core, there is less need to reinforce to help cool the building. The outer skin also acts as a the base and there could be big savings in weight and brake on the external wind speed, which helps to make stress on the structure. natural ventilation viable. However, the advantage of supporting it from the A mixture of mechanical and natural ventilation will base is that the building contractor can begin installing be offered from floors 12 to 50, after which the external pipework at the same time as erecting the core, rather wind speed becomes too high. The lower floors are sealed than wait for the core to be completed. ‘We have to because of the wind turbulence caused by surrounding buildings, noise and pollution at street level. At the higher levels, the building management system will All design thinking is going to ensure that the mechanical heating and cooling systems are turned off when the windows are open. have to change. The standard office The viability of natural ventilation depends partly specification is going to look very on having the correct ratio of building width to floor different in 10 years’ time height, which at The Pinnacle is a useful five to one, Kitson says. The building’s orientation is also well weigh one up against the other; it’s a very significant suited to London’s predominantly south-by-south-west question,’ says Nigel Clark, technical director at Hilson and north-east winds. Kitson is convinced that mixed- Moran, which is advising on 288-metre Pinnacle in the mode ventilation has a big future, not least because City of London, currently under construction, as well of tightening environmental legislation. ‘All design as the 67-storey Tameer Towers in Dubai, also under thinking is going to have to change. The standard office construction. specification is going look very different in 10 years’ time.’ Renewable limits Antieul says it is difficult to incorporate low-carbon Logistical test A depiction of the Shard, features into a tall building. Solar photovoltaic cells, with Antieul says there can be competition for space at the currently under construction near London Bridge station very top of a tall building. Engineers may want the roof their long payback periods, are expensive. Solar thermal in the capital, presented a may produce some hot water, but the real energy need for cooling towers, air handling plants, electricity sub- challenge to its lift designers in tall buildings is for cooling. The opportunities for stations and transformers, while the developer wants > (see next page) ground-source cooling are limited by the small footprint of the building and, typically, its urban location. Open- source cooling using cold water drawn up from an aquifer is also limited, because the small footprint of the building means that lukewarm water will soon be drawn back into the system. Plans for the 150m tall Strata residential tower at Elephant & Castle in south London feature three 9m wind turbines built into the top, which the developers Brookfield Europe have claimed will provide 8% of its electricity needs. Antieul says this may well be possible, but believes turbines are unsuitable for commercial towers because they consume much more power than residential towers – as much as 15MW. Even a 60-metre turbine can only generate a maximum of 750kw, he argues. Office computers create a large cooling load for tall buildings; this load can only be reliably met by mechanical ventilation, Antieul says. High wind speeds and ‘deep’ floorplates mean that designers (and tenants) tend to reject natural ventilation for such structures.

Natural option However, natural ventilation is being offered as an option to potential tenants of The Pinnacle in the City of London, due for completion in 2012. Hilson Moran’s sustainability director, Matt Kitson, says tenants who take up the offer will be able to cut their energy consumption by around 5%. The Pinnacle features a single-glazed outer skin and a double-glazed inner skin, with solar shading in between.

www.cibsejournal.com December 2010 CIBSE Journal 29

CIBSEdec10 pp26-30 feature_tall buildings.indd 29 22/11/10 10:31:16 Tall buildings 1 Services

> a restaurant or public viewing gallery. If the gallery or Antieul says the solution often amounts to bringing a restaurant wins, the engineer may be forced to conceal small crane into the building in pieces, using the goods the plant at some mid-point inside the tower, where it lift, then assembling it on the roof. The small crane is takes up more space and has to suck air in from outside used to hoist a larger crane onto the roof, which in turn and expel it again, using more energy. lowers the redundant plant to street level and lifts the Tall buildings also present a serious logistical problem new plant in. The services engineers must ensure at the when plant needs to be replaced. How do you move the building design stage that the spot where the crane will old plant out and the new plant in when the plant room be erected can take the likely loads. Space also has to be is 30 storeys up in the air? The goods lift may not be big left to enable transformers, for example, to be moved enough and a mobile crane may be unable to reach the through doors and along corridors, should they need higher floors. The issue must be considered at design replacing. ‘You can end up with what looks like wasted stage, yet Kitson says it is frequently overlooked in the space, but actually, it’s not,’ says Antieul. Middle East: ‘In probably half the high-rise buildings Clark at Hilson Moran argues that such strategies [there], you can see they haven’t thought about the plant can be expensive and says there are alternatives, such replacement strategy. When you go around some of as running a goods lift at slower than normal speed, to these buildings you think, “I wonder how they’re going increase its weight-bearing capacity. ‘We’ve done most of to get that out of there when it breaks down?”.‘ our tall buildings entirely with goods lifts,’ he says. l

Elevator strategy has its ups and downs

Designing lifts for a tall buildings is complex While there was continual pressure to save space, and time-consuming. Lift design firm Lerch the lifts must also retain sufficient capacity to meet Bates has been working on the 72-storey industry-wide performance criteria, such as being Shard London Bridge project in central able to transport 15% of the office population within London since 2000: ‘It just takes hours and five minutes. ‘It’s like a battle – the architect is hours of sitting with the architect, working always asking “How much would we save if we cut through the core design,’ says project back this much here”, but we can’t because we’re director Chris Manning. working to the performance criteria,’ say Manning. The Shard, currently under construction, One pinch point was Lerch Bates’ insistence on will have six escalators and 35 lifts to a machine room exclusively for its own equipment, serve a maximum daytime population of which meant other M&E services had to be routed 5,855 people. In order away from it. ‘We don’t want to minimise space a hot water engineer coming taken up by lifts in We start with the into the lift machine room – it’s a tall structure, it is a safety issue,’ says Manning. highly desirable to lifts, then the toilet and ‘It took a lot of design co- locate the bulk of the ventilation strategy, then ordination to get there. population in the you usually have to go To make best use of space, lower floors. Over toilet blocks are frequently half the occupants of back and tweak your lift sited in the lift lobby on each the Shard – all office strategy, then someone floor, where there is often workers – will be usually says ‘Your net room to spare because many located in the first of the lobbies conceal lifts 28 storeys. These to gross ratio is terrible, that pass through without floors will be served you have to do better’ stopping. The engineer will by nine double-deck – James Thonger try to arrange the toilet blocks lifts, which feature one directly above the next two lift cars fixed one atop the other, from floor to floor, to make the most efficient travelling up and down a single shaft arrangement of pipework. However, higher up the

Lerch Bates and stopping at two separate floors building, there is less space in the lift lobbies, as simultaneously. more of the lifts are stopping, so the toilets have Access to the hotel, located on floors to be moved to other parts of the floor and the 35-52, will be via another two double- pipework starts to zig-zag. deck lifts which take guests from the ‘You really don’t want to do that,’ notes James ground floor straight to reception on Thonger of Arup. He adds: ‘We start with the lifts, floor 35, where they will transfer to a local then the toilet and ventilation strategy, then you lift to reach their rooms. The apartments, on usually have to go back and tweak your lift strategy, Elevator plan for the floors 55-65, are also served by express lifts from the then someone usually says “Your net to gross ratio is Shard London Bridge ground floor. terrible, you have to do better.”‘

30 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp26-30 feature_tall buildings.indd 30 19/11/10 10:45:59 CABLECALC UK

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Castline Systems - Tel (01293) 871751 http://www.castlinesystems.comhttp://www.castlinesystems.com www.cibsejournal.com December 2010 CIBSE Journal 31

p31_CIBSEMagDec10.indd 31 15/11/10 12:03:25 The tall building of the Commerzbank Headquarters in Frankfurt, featuring its triangular shape and vertical ‘villages’ of office floors

Up in the air The natural-ventilation strategy adopted for an office tower development in Germany has shown that it can cut energy consumption. By Joana Carla Soares Goncalves and Klaus Bode

key feature of tall commercial buildings, impact of increased occupation density, compared with particularly offices, is their high energy the standard current European practices. demand. The Frankfurt headquarters of Tallness is at the heart of the ventilation strategy of German financial group Commerzbank, the 258m-high mixed-use Commerzbank building, Acompleted 12 years ago, has proven that energy savings which has 56 floors and a total built area of 100,000 sq are possible from applying natural ventilation; almost a m. The tower is divided into four vertical office ‘villages’ decade of monitoring the building’s energy consumption each comprising 12 storeys and three gardens, with one has shown how a naturally ventilated tall office building garden lying at each orientation of the triangular floor can minimise energy use substantially and offset the plate (see figures 1 and 2).

32 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp32-34 feature_commerzbank.indd 32 19/11/10 10:46:37 Tall buildings 2 Ventilation case study

The concept of the vertical villages, with the central atrium surrounded by offices and semi-open spaces – together with the effects of cross-ventilation from the stack effect – underpins the ventilation strategy of the internal zone of offices facing the atria. Each village has openings on the three orientations of the building. Each floor plate is divided into three environmental zones: the external zone facing the external façades; the internal zone facing the atria; and the intermediate zone between the two. In the external façades, double-glazed windows with internal blinds open directly to the outside, protected by a glass panel wind shield. While the external and internal zones are effective for working stations in cellular offices, the intermediate zone is intended for meetings. The internal environmental conditions of the Commerzbank building are controlled by a mixed-mode system that enables the offices to be either naturally ventilated or air conditioned, according to external climatic conditions and occupants’ requirements. internal environmental conditions. Figure 1: The view of the The air conditioning system was designed to guarantee An increase in the number of working stations in atrium of one of the “villages” thermal conditions that would not exceed 26C 2008, raising the population of the building from 2,400 from the communal space (garden) of the first floor of in summer (overriding natural ventilation when to just over 2,800 occupants, led to changes in the internal the vertical block of 12 storeys necessary). Windows only shut automatically under layout of the usable floors, resulting in a partial opening conditions of high wind speeds, external temperatures of the cellular office plan into an open-plan space. above 25C and internal temperatures below 17C. The two new zones of the floor plate, combining cellular offices and open plan, safeguarded the natural Occupation changes ventilation strategy, further improving the overall Since 2002, given the satisfactory conditions of the environmental performance of the building with microclimate inside the villages, the control of the the elimination of the ‘middle zone’, and enhancing windows of the internal zones has been left to the performance towards a fully naturally ventilated tall occupants, who were used to opening the windows office building. For this reason, regardless of the extra for natural ventilation. With more control over load of computers and other equipment, the impact environmental conditions given to the occupants, who of the increase in the population and the change in were familiarised with naturally ventilated working the layout on control of the internal environmental spaces, there have been occurrences of even higher conditions, involving both lighting and air-conditioning temperatures in summer than the initial figure of 26C loads, was minimal. – showing that the occupants could tolerate slightly higher temperatures than the ones predicted in the Energy sources design, rather than closing windows and going for the All electrical energy consumed by the building is artificial cooling. imported directly from the grid, which means that In other words, the control of the internal there is no in-house power generation; energy for all environmental conditions was simplified as the heating requirements (space heating and hot water) is building became increasingly ‘manual’, resulting provided from the local district heating network. in even higher energy savings. For the air conditioning periods on hot days, In 2002 the nine weather stations that the majority of normal cooling demand (i.e. were originally located in each garden were normal operation and not standby mode) replaced by a single one at the top of the is met by absorption chillers, also served building, aiming for better accuracy by the district heating system, with in recording wind data compared minimal electrical energy used by the with the measurements taken chillers and electrical energy demand from inside the gardens, and, primarily associated with the therefore, achieving more chilled water distribution system. precision in the control of Meanwhile heating of office > the windows on the three external façades. The Figure 2: Schematic drawing of the triangular floor plate change to one weather with the two office wings station again simplified and one side occupied by the the control of the communal space.

www.cibsejournal.com December 2010 CIBSE Journal 33

CIBSEdec10 pp32-34 feature_commerzbank.indd 33 19/11/10 10:46:55 Tall buildings 2 Ventilation case study

kWh/m2 180 m), which are mechanically ventilated and heated (160kWh/ sq m), but not artificially cooled, as seen in 160 EnEV2007 [Air-Conditioned Building] the case of electricity consumption and, surprisingly, 140 even lower than naturally ventilated office buildings EnEV2007 [Mechanically Ventilated + Heated Building] 120 (135kWh/ sq m) (see figure 4). In this scenario of comparative analysis, it is worth 100 noticing that the thermal consumption figures cover 80 both heating and cooling, so the thermal performance for heating alone should be even more impressive when 60 EnEV2007 [Naturally Ventilated + Heated Building] compared with the other references. Nevertheless, such 40 statistics need to be considered in the light of the fact 20 that for substantial periods of the year the building is naturally ventilated, thereby keeping annual cooling 0 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 demand figures down. Figure 3: Yearly electrical energy consumption of Commerzbank against German benchmarks (1999 onwards) Conclusions

Heating Tall office buildings can be naturally ventilated kWh/m2 Cooling and height is not necessarily an impediment or a 200 EnEV2007 [Air-Conditioned Building] complicating factor in the design of the building. 180 The analysis of the Commerzbank building’s energy EnEV2007 [Mechanically Ventilated + Heated Building] 160 consumption shows how natural ventilation can reduce energy consumption in such an environment. 140 EnEV2007 [Naturally Ventilated + Heated Building] Moreover, minimising the complexity of controls and 120

100

80 The control of the internal

60 environmental conditions was

40 simplified as the building became

20 increasingly ‘manual’, resulting in

0 even higher energy savings 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Figure 4: Average yearly energy consumption for heating and cooling Commerzbank, with average allowing more freedom of choice to occupants already figures for 1999 to 2008 compared to German benchmarks used to natural ventilation are important factors in this reduction: this suggests that office buildings can be > accommodation is by means of low-level radiators, on less dependent on sophisticated automation systems. the external perimeter of the office floor plate, integrated The Commerzbank building’s rearrangement of the into the structural enclosure. office space for the open-plan layout also enhanced The design concept of the building systems the effectiveness of natural ventilation, eliminating for environmental control separated mechanical the ‘internal zone’, which used to be mechanically ventilation from active cooling and heating, aiming ventilated for the entire period of occupation. for higher rates of energy efficiency. When in air- The building has also had an impact on its locality; conditioned mode in summer or winter, the ventilation regarded as an ‘environmental/good quality tall use for fresh air is distributed to all floors from centrally building’, it has influenced neighbouring tall buildings located air-handling units with heat recovery. in the financial centre of Frankfurt to go through a total retrofit of their facades in order to incorporate natural Energy performance ventilation. The success of natural ventilation is not The total annual electrical energy consumption has purely related to the opening of the facades, of course, varied slightly over the last ten years, ranging between but it should be acknowledged that this is a positive 105 and 120 kWh/sq m. It is worth noticing that the change in the attitude towards the environmental annual electrical energy consumption figures are paradigm of tall office buildings.l below the national benchmarks (EnEV 2007) of not only equivalent air-conditioned offices (155kWh/sq m) Joana Carla Soares Goncalves, who teaches in the Faculty of Architecture and Urbanism at the Federal University but also just below the benchmark for offices that are of Rio de Janeiro, is the author of The environmental mechanically ventilated and heated (125kWh/sq m), performance of tall buildings, 2010, Earthscan, London. but not artificially cooled (see figure 3). [email protected] The annual thermal energy consumption figures Klaus Bode, who worked on the Commerzbank building, are below all of the national benchmarks (EnEV 2007) is co-founder of BDSP Partnership consulting engineers. [email protected] for equivalent air-conditioned offices (190kWh/ sq

34 CIBSE Journal December 2010 www.cibsejournal.com

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www.cibsejournal.com December 2010 CIBSE Journal 35

p35_CIBSEMagDec10.indd 35 15/11/10 10:09:38 Advertisement feature 10 things you should know about replacing pumps During the life cycle of a pump, the vast majority of it’s associated cost - 80%+ - is accounted for by the energy the pump uses over its lifetime, so choosing the right option to suit the present needs is vital.

t Grundfos Pumps Check out variable speed we understand the pump options importance of pump New pumps offer greater effi ciencies replacement, not just than previous generations, but to becauseA of the energy savings gain maximum energy and CO2 but also because of improved benefits variable options should comfort levels and the overall always be considered. carbon footprint benefi ts. Today’s preferred choice for variable volume systems are often Why you should consider a permanent magnet circulators pump replacement? as they deliver significant energy In the main, it is very rare for savings over older style pumps, anyone to consider switching a such as the Grundfos MAGNA, as pump for any other reason than they self adjust to the demands of it has developed a problem that the system. means it has reached the end of its life. Yet there are many other How important is service opportunities when to do so would access? result in better comfort and/or For glandless circulators the performance levels, improved replacement heads are readily energy effi ciency and therefore reduced emissions. So Are the pumps correctly sized? available and are simple to change. On glanded pumps looking at replacing either individual pumps or whole All circulators and booster pump applications were sized the two main service items are the motor and the pumping systems prior to when it’s absolutely essential for an original duty of fl ow against a pressure. The fi rst mechanical seal. Today’s pump designs facilitate easier can have a short pay-back period. consideration should be, is the pump suitable for the replacement of wearing components. The choice of a current duty requirements? The pump may be over sized major manufacturer who is able to provide service for Did you know? and nameplate information may not refl ect the original the long term is important, as they will have a wide ■ Pumps currently consume 12% of global electrical design duty of the current operating duty and hence the range of dedicated service kits and replacement motors power replacement duty requirements. A review or the current available. ■ Switching to high effi ciency motors would save 5% system requirements will often lead to a more effi cient of the total electrical power consumption (equal to pump selection, with the benefit of reduced energy Can frequency converters be retrofi tted into the total annual energy consumption of 11 million consumption. fi xed speed systems? people) The Grundfos CUE range of wall mounted frequency ■ 90% of pumps use 60% too much energy Has the building undergone any change of use? converters can operate in conjunction with centrifugal ■ 85% of LCC costs are attributable to the energy The building may have changed its confi guration and/or pump types in both new and existing application areas costs in the usage phase main use since it last had an M&E fi t-out, or indeed may in a broad power range. This option means a system be about to change its use and these factors can have a can be confi gured into a fully integrated energy effi cient so ensuring that they are as energy effi cient as possible major impact on what pumps and pump duty’s should solution – pump, frequency converter, controller and offers pay-back on lots of different levels so always be considered. In particular it is important to look at sensor all perfectly matched to meet specific pump e-place don’t replace. changes that may require additional pumps being added installation needs to the requirement. For example any change of use that Like for like? results in more condensed living may require additional When to exchange the pumps? Pumps in commercial premises require replacement water boosting. Ideally pump replacement timings should be planned, for many reasons. When this happens, it offers the for example replacing heating stock in the summer opportunity to review the system and make sure it is Glanded or Glandless circulators? months. However, emergencies do occur and then it is delivering the most effi cient solution for that particular Heating and cooling circulator pumps form the majority important to ensure you are getting the best longer-term building against its individual blueprint. Whatever the of the replacement market. The market today favours solution but with readily available stock. This is where circumstances, it is worth reassessing the situation as the use of glandless circulators for heating applications reputable pump manufacturer like Grundfos will be able depending on the application there are large fi nancial because of their compact nature and low maintenance to advise and assist with the best technical solution and savings to be made by taking the opportunity to change demands. Glanded mechanical seal style products supply this from a comprehensive UK stock-holding held to a more effi cient option.. However, our experience however are more effi cient and can be fi tted as direct with selected distribution partners. tells us that, for the most part, pumps are directly replacements for glandless circulators in some cases. replaced with a ‘like for like’ solution, without any extra Where conventional motors are used, these should also To fi nd out more contact Grundfos Pumps on 01525 consideration and this means that the opportunity to be EFF1 or better. Some manufacturers, like Grundfos, 850000 or email: [email protected], or visit optimise on a replacement selection is lost. do offer these as standard for fi xed speed solutions. www.grundfos.co.uk

CIBSEdec10 Grundfos Advertorial.indd Sec1:36 15/11/10 10:11:22 Pipes, pumps & valves Commissioning Damage limitation Failures in pipe and valve fittings can cause major problems for clients – an issue that the UK contractors’ association has investigated. Andrew Brister looks at the issues Vitaulic Vitaulic

Most pipe fittings, such as ipework, pumps and valves aren’t as sexy ‘If something is not done to rein in these failures, this one, are successful, but as photovoltaics or wind turbines, but HVCA members’ insurance premiums are bound to failures can occur get things wrong here and you could find rise,’ says Russell Mott, technical officer at the HVCA. yourself in deep water – literally. Water The association has now included an investigation of damageP in buildings is on the increase and wreaks the extent to which firms are taking action designed havoc on fixtures and furnishings. Oval, the insurance to address the issue in its independent member partner for the Heating and Ventilating Contractors’ inspection and assessment procedures. Association (HVCA), has reported an increase in water Some of the problems are attributable to the surge damage claims occurring as a result of the failure of in demand for compression and push fittings that pipework fittings. The HVCA is sufficiently concerned have brought massive savings in costs and installation about this issue to make such failures the subject of times on major building services projects. While such the first of a planned series of Technical Notes to its innovations are no doubt welcome in the drive to make membership. construction more efficient, any technology has to be >

36 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp37-38,40 feature_pipes_indd.indd 36 22/11/10 10:30:21 Pipes, pumps & valves Commissioning

High-tech pumps can provide > installed correctly. So what exactly is going • Compression fittings where the pipe is added sustainability features wrong? The problem is down to a number not fully inserted or the cap-nut has not of factors. been tightened to the manufacturer’s recommendations. Unsuitable fittings ‘All of the above can be resolved In one case, where a 54mm diameter by ensuring that operatives are fully compression fitting had become trained on the range of fittings to be detached from the pipework, two used, and in the operation of any special factors were at work. Firstly, owing tools needed,’ says Mott. to the size of the fitting, and its Of course, such systems have to be put inaccessibility, it was difficult in correctly. ‘Any pipe jointing system is to tighten it according to the only as good as the engineer installing it,’ manufacturer’s recommendations says Andy Carter, product engineer at and led to deformation of the copper Victaulic. ‘You need to know what you pipe. are doing.’ Secondly, there was evidence that the Victaulic offers free training on how to supplied brass olives had failed to deform install its products correctly and visits sites to so as to grip the pipe sufficiently. ‘Members check that all is going smoothly. ‘When I’m are advised to review the position in which out troubleshooting, I’d say that 99 times compression fittings are to be located to out of 100, any installation problems are ensure the manufacturer’s requirements because the engineer hasn’t been trained can be adhered to, and to consider replacing by us.’ brass olives with soft (annealed) copper-type Durapipe’s marketing manager Mitchell fittings,’ advises Mott. Holmes agrees: ‘Any shortcuts and you are asking for trouble.’ Durapipe also offers Improper installation free training advice on installation and A number of failures can be attributed how to deal with expansion of the plastic to a lack of care during installation. For with temperature. ‘Part of the problem example, cases have been reported of: is that there is no training for plastics • Solder-ring and end-feed fittings being in apprenticeships,’ says Holmes. ‘This left unheated – and thus not soldered is something we are addressing with – and heating systems not remaining SummitSkills.’ watertight largely due to the presence of flux; The HVCA’s Technical Note argues that • Push-fit fittings where the pipe has been insufficiently specifiers need to understand that any change in the inserted to make a proper seal, or the pipe is damaged make or type of fitting must be supported by familiarity and the grip-ring in the fitting is unable to hold it in training. Workers should also be supervised on the job position; to ensure they are following the correct installation • Swaged fittings where the swaging action has not procedures, and that a percentage sample of the work been fully completed; and is subject to quality control inspection. >

Underfloor heating goes ‘outdoor’ The £5m Tollymore National Outdoor Centre, and a rolling pool for canoe training, with sited on the edge of Northern Ireland’s underfloor heating and pipework throughout. Mourne Mountains, is a new building According to Rehau, the project has been designed for Sport Northern Ireland by built with close attention paid to its impact on Consarc Design Group. The centre has the environment and includes both a biomass almost 1,000 sq m of underfloor heating and boiler as the heat source for the underfloor 6,000m of hot and cold water supply pipe, heating system, and solar panels to provide supplied by Rehau. heat for the hot water supply, as well as a The main building features a roof rainwater recycling system. As a result, it has finished in copper art membrane curved been awarded a BREEAM Excellent rating. in three dimensions over the entire three The pipework used throughout is Rehau’s storey structure which is supported by glue PE-Xa flexible pipe, fitted with the Everloc laminated timber beams. The building jointing system comprising a DZR brass comprises meeting areas, training rooms and internal fitting and a compression sleeve. residential accommodation. White underfloor heating was specified for Below this is a lower ground area the project by M&E consultant Taylor and housing changing rooms, shower facilities Fegan.

38 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp37-38,40 feature_pipes_indd.indd 38 19/11/10 10:50:18 Superior efficiency rules the water. Think about ITT.

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www.cibsejournal.com December 2010 CIBSE Journal 39

p39_CIBSEMagDec10.indd 39 15/11/10 10:19:16 Pipes, pumps & valves Commissioning

Valves: Remote Shuterstock commissioning from a PC The latest breed of valves are making it much easier to reconfigure building services as occupancy rates change, even in cooling systems involving fan coil units or chilled beams. ‘With a conventional design, recommissioning a fan coil or chilled beam system involves visiting each valve in the ceiling void, one by one,’ explains Martin Lowe, technical manager with Marflow Hydronics. ‘As a result, any such changes can prove costly and disruptive for the building owner, often resulting in no changes being made to the systems when the building usage changes. Clearly, this introduces inefficiencies that will lead to wasting energy.’ Marflow has introduced an addressable pressure independent control valve (PICV) which, it claims, has not only made it considerably easier to balance variable flow systems but has also enabled the use of remote commissioning from a PC. This means the valves are no longer difficult to adjust. And such solutions can be retrofitted to existing systems relatively easily. ‘Initial commissioning is greatly simplified, as is any subsequent recommissioning,’ claims Lowe. ‘For example, in a recent project using this concept, a 1,400 fan coil system was commissioned in just four days and the building operator will be able to change the system whenever necessary.’ Lowe is concerned that the industry has been slow to adopt such innovations in the world of valves: ‘It does seem strange to me that we A number of pipe-fitting > Mains pressure embrace new technologies in just about every other failures can be attributed to The third factor relating to water leaks identified by walk of life, yet the industry has been slow to take poor installation the HVCA was variation in mains water pressures. advantage of new valve technology. I know it takes In particular, a number of HVCA members have time for new ideas to “bed in”, but I would suggest highlighted situations where momentary pressure the time is now.’ spikes have been recorded, causing fittings to become detached from the pipework. says David Taylor, chairman at Aquatech Pressmain. This phenomenon has been ably demonstrated in a ‘We know this because we destroyed several 100 bar test rig set up by pump and booster set manufacturer pressure transducers during testing – according to the Aquatech Pressmain. It applied a three-pump variable manufacturer this takes circa 200 bar.’ speed booster set to a 20m horizontal run of 54mm Carter is well aware of the effects of hydraulic shock, copper pipework – equivalent to the top seven storeys but maintains that the grooved pipework couplings can of a building. It found that compression fittings withstand this: ‘If you take our four inch coupling, then installed to the manufacturer’s instructions failed the working pressure may be 10 bar, with a maximum catastrophically under hydraulic shock. working pressure of around 50 bar. We build in a 3:1 Hydraulic shock is caused by a rapid change in the safety factor so the system will support 150 bar easily.’ velocity of a liquid contained within a pipe for example Aquatech Pressmain says it has developed technology when water comes up against the top of a riser or a that defends against damage from hydraulic shock: valve is rapidly slammed shut and the flow of water has AquaVent and Repress. During booster set restart, to stop instantly. The high density of water means that the AquaVent automatically controls the air release an area of very high pressure is generated. This area of to provide an air cushion helping to reduce the water high pressure moves along the pipe as a shock wave, at velocity. The company claims that the Repress system the speed of sound in water: approximately 1,300m/s. ensures that the booster set cannot possibly generate ‘Although we measured 62 bar, we know that the any shock conditions by reducing the flow rate during actual pressure could be more than double this,’ the refilling of the rising main.l

40 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp37-38,40 feature_pipes_indd.indd 40 19/11/10 10:50:53 Future features in CIBSE Journal January 2011 Renewables IT & software

February 2011 Industrial & commercial heating Industrial & commercial cooling Schools & education facilities*

March 2011 Air conditioning Security & safety in FM

April 2011 Offi ces & data centres Your

May 2011 Air conditioning, air movement & ventilation Fire engineering & smoke extraction all round

June 2011 Electrical services solution provider Social housing*

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Editorial submission: Please send editorial proposals/ and refrigeration ideas three months before publication date, eg, 1st October for January publication. Extensive stock available for collection or timed delivery from branches across the UK including: Send to: [email protected]. Aberdeen, Glasgow, Gateshead, Manchester, The fi nal editorial copy deadline is Birmingham, Heathrow, Crayford and Fareham one month before publication date.

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www.cibsejournal.com December 2010 CIBSE Journal 41

p41_CIBSEMagDec10.indd 41 15/11/10 10:22:59 Recovery mode

relation to energy (see Figure 1): • Energy is a quantity that may be understood as the Masterclass ability to do work. Energy may be transformed, but it cannot be created nor destroyed. It may, however, be Professor Doug King so degraded that it can no longer do useful work. • Exergy is the measure of the work that can be extracted This month Doug King looks from a system as it changes to a state of equilibrium with its surroundings, or maximum entropy. Exergy at energy and how to harness is therefore a measure of the ‘free energy’ that is its properties available to be used. It is actually exergy, not energy, which we consume. • Entropy is a measure of the amount of energy in hen we describe low-energy architecture a system that is not available to do work; it is the and building services we often refer reciprocal of exergy. Entropy is therefore a measure to ‘energy conservation’ to indicate of disorder, as ordered systems have the ability to do how our worthy creations consume work. Wless. This terminology is common parlance; after all, A closed system always tends towards a state of conservation is the antonym of consumption, and so maximum entropy. However, if work is done on a system helps non-technical people to understand what we are through the application of an external energy source, talking about. Nevertheless, this usage is technically entropy can be reduced. incorrect and I have noticed a worrying trend recently Although developed to describe the characteristics amongst engineers, myself included, referring to energy of heat engines in thermodynamics, the principles of conservation in technical discussions when actually we exergy and entropy can inform the way that we think mean something different. about energy conversion in many different systems. Why is this important? Well, it is recognised that For instance, the input of external solar energy to our certain concepts can only exist once you have language planetary biosphere maintains order against the natural to describe them. Thus, if we misuse terminology, our tendency of biological matter to decay. Photosynthesis in It is commonly understood thinking can be misled and we can miss key aspects of plants processes simple molecules of carbon dioxide and that chiller systems reject the problems we are trying to solve. water with solar energy (work) to form more complex heat from air conditioning So, what is wrong with the common usage of ‘energy carbohydrate molecules, reducing the overall entropy of and this can inhibit our conservation’? It is of course a fundamental law of the the biosphere. Without this continuous input of energy, thinking about opportunities universe that all energy is conserved. Even when we use plants die and their substance decays back to a state of for energy recovery. We rarely make the conceptual leap that energy to do work in our building services systems, the high entropy. a chiller is exactly the same quantum is conserved. How can we therefore conserve However, the input of solar energy, arranging atoms as a heat pump. In order to the energy further by installing heat recovery or similar into complex carbohydrates, also creates exergy which maximise the exergy gained systems? can be used if the molecules are broken down again. We from building systems, we In order to discuss energy utilisation in a meaningful use plants as a source of external energy ourselves (food) need to start considering all systems as combinations of way we must first use the correct terminology; to prevent the onset of decay in our own bodies. We also heat sources and sinks. particularly we must understand exergy and entropy in use plant matter as a fuel to create heat, consuming its exergy, releasing the carbon dioxide once more, and raising the entropy of the planetary system overall. Electricity is an extremely valuable form of energy, as it can be converted to numerous other forms and delivers high exergy through the conversion. Nevertheless, nearly all of the conversion processes for electrical energy ultimately result in the energy being dissipated to the environment as heat; heat is in high demand for building services in the UK climate, and we consume astonishing amounts of fuel to create it, despite often being quite careless of it once it has been generated. Although thermal systems in buildings appear simple compared with biological or electrical systems, we must still be aware of the exergy of heat sources in relation

Doug King Doug to sinks, in order to make the most efficient use of

42 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp42-43 Masterclass.indd 42 19/11/10 10:48:49 Design masterclass 4 Thermal systems

energy. This means considering the temperatures of heat sources and sinks compared with the operating temperature ranges for building services (see Figure 2). In order to be of use – or worth recovering – a source of heat must have sufficient exergy to drive heat through the system we want to use it in; otherwise we will have to add energy from an external source. For example, extracting heat from a room at 25C and sending it back at 20C, is unlikely to prove effective because the exergy is very low and therefore little heat will be transferred. However, recovering heat from exhaust air to incoming fresh air at 10C creates a much larger temperature difference between the source and sink, allowing much more exergy to be gained from the system. In other words, a greater quantum of heat is transferred, even though the resulting temperature is lower. I am often asked why we cannot use heat recovery systems on the exhaust air from stack-effect ventilation. Figure 1: Exergy and entropy are inextricably linked in energy processes. Well, if a building is naturally ventilated by stack effect, As we use energy to do work, exergy is reduced and entropy increased then it is the heat in the internal air that is providing the force to drive the ventilation in the first place. When the temperature inside a building is higher than outside, an energy gradient then exists. Given the opportunity, the Figure 2: The human body and waste heat from electrical devices both have system will adjust itself to restore a state of equilibrium, sufficient exergy to heat buildings. and in doing so has the potential to do work; there However, extracting heat from the outside is exergy available as a result of the temperature air in winter using a heat pump requires difference. considerable input of external work. High- In practical terms, the air inside is less dense than grade heat sources such as boilers or solar thermal collectors can be used to heat that outside as a result of the temperature difference, domestic hot water, but heat recovery or and this creates a pressure difference due to buoyancy. If heat pumps cannot do so unaided the system is released, the pressure difference causes the mass of air to move through the building. By definition, moving a mass is doing work, and if we constrain the flow appropriately, we can harness this work to provide our required fresh-air ventilation. Now, if we were to extract heat from the exhaust air, reducing its exergy to near zero relative to the exterior, we would remove its capacity to do work and the ventilation would stall. Warm air contains only a very small amount of exergy, and we must carefully consider the trade-off between heat recovery and beneficial work in ventilating the building. Finally, if a heat source is close to, or at a lower temperature than the sink, as in a heat pump or chiller, then we must use external energy to do work on the system to transfer energy. The greater the temperature difference between source and sink, the greater the amount of work needed. Since external energy is added to the system, then it must be the case that the system It is a criminal exergy is increased. Thus, it is a criminal waste of exergy to install any refrigeration system, whether a heat pump waste of exergy or air-conditioning, without heat recovery. to install any When we can all discuss building services in terms refrigeration of exergy and understand the implications for fuel consumption and increasing entropy, we will have set system, whether ourselves well on the road to a low carbon and energy a heat pump or secure future. l air-conditioning,

Doug King is principal of King Shaw Associates and without heat Visiting Professor of Building Physics at Bath University recovery

www.cibsejournal.com December 2010 CIBSE Journal 43

CIBSEdec10 pp42-43 Masterclass.indd 43 11/22/10 10:32:19 AM Book your table at the building services event of the year visit www.cibseawards.org or call 020 7324 2764

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44 CIBSE Journal December 2010 www.cibsejournal.com

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The CIBSE Journal CPD Programme of the Engineering Council (UK). Members of the Chartered Institution of CIBSE Journal is pleased to offer this Building Services Engineers (CIBSE) and module in its CPD programme. The other professional bodies are required to programme is free and can be used by any maintain their professional competence reader. throughout their careers. Continuing This module will help you to meet CIBSE’s instructions for its submission. Modules will professional development (CPD) means the requirement for CPD. It will equally assist remain available online at www.cibsejournal. systematic maintenance, improvement and members of other institutions, who should com/cpd while the information they contain broadening of your knowledge and skills, record CPD activities in accordance with their remains current. and is therefore a long-term commitment institution’s guidance. You can also complete the questionnaire to enhancing your competence. CPD is a Simply study the module and complete the online, and receive your results by return requirement of both CIBSE and the Register questionnaire on the final page, following the email.

Travelling into time with psychrometry Designers can use computer modelling and weather data to calculate loads across operational periods. But there is also a simpler method for making such assessments – incorporating weather data with a psychrometric chart

he use of computer modelling the psychrometric chart is a useful tool to So, for example, Figure 1 indicates the tools enables designers to evaluate examine the properties and energy flows mean temperature averaged over 24 hour and options of building design and plant associated with air processes. However, 48 hour periods for a particular geographic selections at the press of a button. when evaluating the comparative operation location collected in 1K ‘bins’. So considering ModellingT software will use weather data as of different possible solutions, it is important the yellow shaded area, the -3C bin – this made available to it (such as the CIBSE Test not only to take into account the values of bin is the sum of historic occurrences of Reference Year[1]) and will attempt to calculate the operational psychrometry in design and 24 hourly averaged outdoor temperature loads across the operational period. part load conditions, but also to consider how between -3.5C and -2.5C. Looking at the In many cases the development and input frequently this might occur. The designer height of the yellow column, it occurs on the of the underlying data set may be complex, (whether aware of it or not) will already be equivalent of just under one daily period per and the incorporation of the air conditioning applying frequency-based weather data when year. But, more importantly, this data or, if plant details can be challenging, particularly at undertaking any building load analysis, available, the numeric data used to create this early design stages. Alongside the computer even when calculating a simple steady state graph, may be used to see how many 24-hour model it is often useful to have a simpler building heat loss. periods have a hourly averaged temperature method not only to aid understanding of the below the bin of -3C. Adding up the (24-hour) more complex outputs of the software, but Ready-made analysis columns to the left of the -3C column comes also to provide swift feedback as a check of When calculating room heating loads using to about one occasion (ie one 24-hour period) the overall validity of the model. Through the winter design conditions from the CIBSE when the temperature falls below -3C over incorporation of appropriate weather data, Guide[2] the selected external temperature the average year. According to the guidance a psychrometric chart can provide the tool would be based on historic weather data (as in the CIBSE Guide, this would indicate that to undertake such checks. This article will well as a knowledge of the building thermal -3C was a reasonable temperature to use as explain how to set this up, and explore some inertia). The underlying data in ‘binned’ the external design condition for heat losses first examples of application. format (in ‘bins’ or bands of temperature), as (for low thermal intertia or ‘lightweight’ shown in Figure 1, provides a basis on which buildings) – a temperature where it gets Frequency-based weather data the external design condition may be selected colder on just one occasion in a year. When As has been illustrated in previous CPDs, for heat-loss calculations. evaluating ‘heavyweight’ buildings, the >

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CIBSEdec10 pp45-48 CPD.indd 45 11/19/10 11:33:21 AM CPD Programme

> design condition is again selected based on 6 (such as airfields) so actual conditions required this single occasion guidance but this time for building and system evaluation will need 5 24 hour using the 48-hour data. (This method dates to take account of the local microclimate, 48 hour back to an article in the predecessor of this 4 compared with that of the nearest weather Journal by Jamieson in 1955 – see CIBSE station. There may also be some concerns 3 Guide A2 for more detail.) as to the effect of climate change on future, The effect of the time period used for 2 predicted values based on historic data. The

averaging the temperature observations may Number of occasions CIBSE Technical Memorandum 34, Weather clearly be seen by noting that the 48-hour data 1 Data with Climate Change Scenarios provides is far less extreme than the 24-hour data. The 0 extensive guidance based on a number of actual underlying data (as collected by the -8 -7 -6 -5 -4 -3 -2 -1 predictive models, and includes frequency weather station) would be based on the same Bin temperature in C data for UK summer months that can be Figure 1: Example of binned average temperatures sets of hourly averages data; however, the compared directly with the current tables in in occasions per year longer averaging period will moderate out CIBSE Guide A2. the high and low values. This moderating depend on the frequency of both dry and wet- These particular data in Figure 2 have been effect becomes more obvious as the averaging bulb temperatures. laid out in terms of the percentage occurrence period is lengthened (for example, if a of coincident pairs of dry-bulb temperature monthly or seasonal average temperature is Weather data and moisture content. So, to take the yellow considered). The historic data are available in tables that highlighted data as an example, over a So the assessment of outdoor design include (amongst other things) coincident year it might be expected that the dry bulb conditions for simple heat losses can be wet-bulb and dry-bulb temperatures, and temperature of between 10.0C and 11.9C (ie chosen from a knowledge of the outdoor are ideally suited to act as a basis for the a 11.0C ‘bin’) would happen at the same time temperature, with no need for the ‘complexity’ analysis of design conditions. (To purchase as a moisture content of 8.00 to 8.99 kg/kg of a psychrometric chart. But these data are specific historic weather data see the CIBSE (a 8.5kg/kg ‘bin’) for 0.78% of the hours in a limited to just temperature: what if a better Guide J section 11 and the CIBSE web site year (about 68 hours per year). understanding is needed of the coincident for sources). CIBSE Guide A2, section 2.4 The data can also be used to establish how external moisture content, or indeed some includes frequency data for summer months frequently the selected design values are likely enthalpy data are needed to evaluate plant (June to September) for eight UK locations. to be exceeded. In the right-hand column the performance? And when considering mid- Figure 2 is indicative of a type of weather totals of all the dry bulb/moisture content season and ‘summer’ building operation, data that can be sourced. These were taken coincident pairs are given. So, for example, if the decisions that will affect the economic from data produced by the Meteorological we were selecting an external dry-bulb (bin) viability, selection and sizing of humidifiers, Office[3]. Many of the 35 main measuring temperature of -3C, the total frequency of cooling coils and heat recovery devices will stations are located in relatively remote areas temperature below that bin is 0.24 + 0.06 +

Weather data for example site – collected over 20 years. Hourly averages 0:00 to 24:00 – shown as %

Moisture content kg/kg 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 11.00 12.00 13.00 14.00 Dry Bulb ˚C to 0.99 to 1.99 to 2.99 to 3.99 to 4.99 to 5.99 to 6.99 to 7.99 to 8.99 to 9.99 to 10.99 to 11.99 to 12.99 to 13.99 to 14.99 TOTAL -16.0 to -14.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 -14.0 to -12.1 0.0 0.00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 -12.0 to -10.1 0.0 0.01 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.01 -10.0 to -8.1 0.0 0.02 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.02 -8.0 to -6.1 0.0 0.02 0.04 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.06 -6.0 to -4.1 0.0 0.01 0.23 0.00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.24 -4.0 to -2.1 0.0 0.01 0.69 0.12 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.82 -2.0 to -0.1 0.0 0.01 0.75 1.45 0.00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.21 0.0 to 1.9 0.0 0.00 0.56 3.65 0.76 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.97 2.0 to 3.9 0.0 0.00 0.35 2.52 4.24 0.04 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.15 4.0 to 5.9 0.0 0.01 0.17 1.19 5.00 2.92 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.29 6.0 to 7.9 0.0 0.00 0.12 0.62 2.78 6.15 1.61 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 11.28 8.0 to 9.9 0.00 0.00 0.06 0.42 1.28 3.77 5.68 1.00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12.21 10.0 to 11.9 0.0 0.0 0.03 0.22 0.73 1.73 3.67 4.67 0.78 0.0 0.0 0.0 0.0 0.0 0.0 11.83 12.0 to 13.9 0.0 0.0 0.00 0.10 0.48 1.04 1.84 3.08 3.58 0.97 0.00 0.0 0.0 0.0 0.0 11.09 14.0 to 15.9 0.0 0.0 0.00 0.04 0.23 0.78 1.16 1.77 2.42 2.68 0.94 0.03 0.0 0.0 0.0 10.05 16.0 to 17.9 0.0 0.0 0.00 0.02 0.15 0.50 0.93 1.31 1.51 1.49 1.49 0.53 0.03 0.0 0.0 7.96 18.0 to 19.9 0.0 0.0 0.00 0.00 0.06 0.30 0.65 0.93 0.94 0.85 0.69 0.39 0.10 0.01 0.0 4.92 20.0 to 21.9 0.0 0.0 0.00 0.00 0.03 0.12 0.34 0.54 0.62 0.63 0.41 0.22 0.08 0.02 0.0 3.01 22.0 to 23.9 0.0 0.0 0.0 0.00 0.01 0.05 0.13 0.30 0.34 0.32 0.24 0.12 0.06 0.02 0.00 1.59 24.0 to 25.9 0.0 0.0 0.0 0.00 0.00 0.02 0.07 0.12 0.16 0.14 0.13 0.08 0.03 0.01 0.00 0.76 26.0 to 27.9 0.0 0.0 0.0 0.00 0.0 0.01 0.03 0.03 0.05 0.07 0.07 0.03 0.01 0.01 0.00 0.31 28.0 to 29.9 0.0 0.0 0.0 0.00 0.0 0.01 0.01 0.02 0.03 0.03 0.02 0.01 0.01 0.00 0.0 0.14 30.0 to 31.9 0.0 0.0 0.0 0.00 0.0 0.0 0.00 0.01 0.02 0.01 0.01 0.01 0.00 0.0 0.0 0.06 32.0 to 33.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.01 0.01 0.00 0.00 0.0 0.0 0.0 0.02 34.0 to 35.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.00 0.0 0.0 0.0 0.0 0.00 36.0 to 37.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 TOTAL 0.0 0.1 3.0 10.4 15.8 17.4 16.1 13.8 10.5 7.2 4.0 1.4 0.3 0.1 0.0 100.00 Data is rounded – ‘0.00’ indicates an occurrence less than 0.01% Figure 2: 24-hour weather data for example UK site

46 CIBSE Journal December 2010 www.cibsejournal.com

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Figure 3: Example of psychrometric 24-hour, hourly weather data – frequency % x 100 Figure 4: Summer external design point

0.02 + 0.01 = 0.33% (about 29 hours a year) – Visualisation in the fourth dimension additional design load on a cooling coil to these data are highlighted in green. A bounding envelope has been added to the cope with approximately 3 kJ/kg increase in Similarly the data can be quickly used to psychrometric data in Figure 4 to emphasise enthalpy difference is likely to be over 10% determine extreme summer time dry bulb the most frequently occurring psychrometric (based on a ‘typical’ cooling coil air leaving temperatures that may be used, for example, conditions. The chart is now a tool that not enthalpy of 30kJ/kg) – to meet the extra need to aid in the selection of an appropriately sized only allows examination of the properties of for just 24 x 365 x (0.1/100) = six hours per air cooled condenser. air but also clearly includes the dimension year. of time. If the underlying data is available explicitly Moving the psychrometric chart into A summer external design point is shown linked to each of the 8,760 hours in a year, the time domain – this could be, for example, the summer then refined subsets of the data may be simply However, the application of the data becomes design condition as proposed by the load developed. This has been used to produce far more accessible, both visually and calculation software, or the ‘standard’ as CIBSE Guide A, tables A2.7 to A2.15 as data analytically, when it is superimposed onto a used by a designer for a particular location. for ‘summer’ conditions (June to September) psychrometric chart. The data have been taken The graphical representation provides, at the that can be similarly superimposed over a from Figure 2 and added to the outline chart least, a swift visual check on the value, but psychrometric chart. as shown in Figure 3. (While doing so, the data also can inform and communicate the effect were multiplied by 100 to remove the decimal of alternative values on the consequent plant Conclusion places). operation. This will not just be, as a standard The application of simple tools described in A couple of the data points appear to exist in psychrometric calculation, in terms of power, this article are not advocated as a replacement the impossible area to the left of the saturation but by including the frequency information, for computer modelling, but can be used curve; this is due to the approximated sketch and hence time, comparative energy use may both to illustrate quickly and to undertake of the psychrometric chart and should not be examined. ‘ball park’ evaluations of different design distract from the bigger overall picture. If For example this design point of 28C dry options. They are particularly useful as a meteorological frequency data is available in bulb/20C wet bulb could be used as the means of illustrating the impacts of system terms of coincident dry bulb temperature and starting point to undertake some sensitivity design decisions on those who have less wet bulb temperature, then this could have analysis on the size of a cooling coil in a full extensive experience of HVAC&R operation. been as simply added to a chart, but using a fresh air conditioning system (see the April grid based on the dry-bulb temperature and 2010 CPD article for a reminder of the basic © Tim Dwyer 2010 wet bulb temperature axes. system and its psychrometry). The load on the My thanks to Dr Roger Legg for his publications, Immediately, looking at the chart, the data cooling coil is determined by the incoming air which provided underlying material for this article are transformed into a form that allows quick enthalpy, and at the plotted condition this may visual evaluations of conditions without any be read off the chart (using the superimposed formal calculations. It can be seen that although grey enthalpy lines) as 57 kJ/kg. In this case References there are significant tails on both the ‘winter’ it can be readily seen that by increasing the 1. CIBSE Guide J Weather, solar and and ‘summer’ conditions, the actual times that design wet bulb by 1K to 21C (maintaining illuminance data Section 8, CIBSE, 2002 these are likely to occur are relatively few. the dry bulb design at 28C), the system would 2. CIBSE Guide A2, Environmental Design, Inferred frequencies of occurrence of operate within its capabilities for (about) an Section 2.3, CIBSE, 2006 wet bulb temperature and specific enthalpy, extra 10 data points (above that of the current 3. Data after Collingbourne and Legg, together with any other air properties that are condition). As each data point is equivalent The frequency of occurrence of outside air included in the base psychrometric chart, are to 1/100% of the hours in a year, this equates conditions in the UK, IoEE TM 58, South now automatically available for analysis. to (10/100) % = 0.1% of the time. And the Bank Polytechnic, 1979

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CIBSEdec10 pp45-48 CPD.indd 47 11/19/10 11:33:42 AM CPD Programme

Module 23 Name (please print)...... December 2010 Job title...... ______

Organisation...... 1. Referring to the data in figure 1, which of these should be the

closest estimate of the outdoor design condition suitable for heat Address...... losses for a heavyweight building? ...... A -7C B -5C ...... C -3C D -1C Postcode...... E Above -1C Email ...... 2. Which CIBSE Guide is specifically related to weather data? Are you a member of: A Guide A B Guide B CIBSE

C Guide C If so, please state your membership number D Guide F E Guide J (if available)......

3. What is the closest bin temperature associated with the lowest Other institution moisture content recorded in the example site Figure 2? (please state)...... A -16C B -14C To help us develop future CPD modules, please indicate your C 0C primary job activity: D 6C E 9C Building services engineer Mechanical engineer 4. Referring to Figure 2, which bin pair occurs most frequently? Electrical engineer A 33C & 9.5g/kg Commissioning engineer B 23C & 13.5g/kg Energy manager C 17C & 12.5g/kg Facilities manager D 7C & 5.5g/kg Other (please give details)...... E -5C & 1.5g/kg

By entering your details above, you agree that CIBSE may contact you from time to time with

5. If the design conditions in the example were relaxed from information about CPD and other training or professional development programmes, and 28Cdb/20Cwb to 28Cdb/19Cwb, approximately how many fewer about membership of CIBSE if you are not currently a member. hours would a cooling coil be able to cope with outdoor conditions? Please go to www.cibsejournal.com/cpd to complete this A None questionnaire online. You will receive notification by email of B 0.3 hours successful completion, which can then be used to validate your C 3 hours CPD records in accordance with your institution’s guidance. D 30 hours Alternatively, you can fill in this page and post to: . N Hurley, CIBSE, 222 Balham High Road, London, SW12 9BS E 300 hours

48 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp45-48 CPD.indd 48 11/22/10 10:31:20 AM We’ll never put a square peg in a round hole.

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p49_CIBSEMagDec10.indd 49 15/11/10 10:24:50 Products & Services Telephone: 020 7880 6206 Email: [email protected]

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CIBSEdec10 pp50-54 products.indd 50 19/11/10 12:00:18 Products & Services Telephone: 020 7880 6206 Email: [email protected]

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www.cibsejournal.com December 2010 CIBSE Journal 51

CIBSEdec10 pp50-54 products.indd 51 19/11/10 12:00:36 Products & Services Telephone: 020 7880 6206 Email: [email protected]

Cutting-edge Hitachi heating and cooling at Ireland’s most popular tourist attractions Hitachi Air Conditioning Group has recently had its innovative IVX and Set-Free VRF systems Megaflo Solar provides the solution installed at at the Building Centre Ireland’s top two tourist sites – the Guinness A high-performance solar powered hot water Storehouse in Dublin and Waterford Crystal system from Heatrae Sadia has been installed at Showrooms. The Building Centre in London. Installers of both projects opted for Hitachi’s The Building Centre was established almost Eco school ticks all the renewable systems in order to meet the fundamental 80 years ago and is an independent forum boxes with Nu-Heat requirements of each site – high-performance, dedicated to the provision of inspiration and A Nu-Heat integrated renewable system has cost-effective heating and cooling, quick and information to those involved in all aspects of been installed in a brand new eco school in efficient installation, energy-saving operation building. When a refurbishment was required Dartington, Devon – the first zero carbon and long life-cycle. By using an effective for part of the building, Heatrae Sadia’s Megaflo primary school in the UK. combination of models, the installations Solar was selected to meet hot water demand The school was designed by White Design provide the highest level of comfort for visitors. for the hand-washing, toilets and kitchens. after discussion with pupils, teachers and l For more information call 01628 585394 or l For more information call 01603 420220 or the community, and incorporates modern visit www.hitachiaircon.com visit www.heatraesadia.com construction methods and natural materials. Insulation measures include wood fibre insulation, taped joints and energy efficient Website shows how heating can double-glazed windows with insulating argon help hit renewable targets gas. Heating is based around Nu-Heat’s NIBE Mitsubishi Electric has launched a new website 2025 air source heat pump. to highlight the benefits of a unique new range l For more information call 0800 731 1976 or of commercial heating products. The website visit www.nu-heat.co.uk will help buildings hit renewable energy targets with more ease and flexibility than any other form of alternative heating, including biomass Marco environmental commitment boilers. Available at www.mitsubishielectric. continues as firm gains ISO14001 co.uk/commercialheating, the website details accreditation the efficiency challenges facing building owners ENER-G introduces innovative air Marco, the UK’s largest manufacturer of Steel today and highlights the versatility of use that conditioning technology to UK Wire Cable Tray, and uPVC Cable Management the new range of heat pump boilers offer. ENER-G has partnered with Advantix Systems Company, has gained environmental standard l For more information call 01707 282880 or to introduce DuCool liquid desiccant clean air ISO14001. email [email protected]. conditioning technology to the UK. DuCool The recent announcement follows more provides up to 80% energy savings and removes than a year’s worth of preparation by the Marco 91% of air borne micro-organisms, and 80% team, based in Anglesey, north Wales. This of particles larger than five microns, including accreditation demonstrates a company-wide allergens. It absorbs moisture from the air commitment to the environment through and then cools or heats the air to the required various schemes to reduce waste, re-use temperature. The technology is green, clean and materials and recycle where possible. The can be refrigerant free, providing a more hygienic benchmark highlights a proven commitment solution to de-humidifying and cooling buildings. across the business to minimise the impact it l For more information email james.hobday@ has on the environment. energ.co.uk, call 07554 452359, or visit l For more information visit www. www.energ.co.uk. marcocableman.co.uk

Samsung’s free DVM-Pro software a boon for specifiers Designing a VRF-type air conditioning system or a single/ multi-split system for commercial applications? It just got a whole lot simpler with the new DVM-Pro software from Samsung Air Conditioning. DVM-Pro is a free program available on CD to help designers and specifiers select and order the best Samsung air conditioning solution for each project. And Samsung is now offering the program with a free 10 minute tutorial to ensure optimum specification every time. l For more information call Jon Pettitt on 01932 455000 or visit www.samsungac.co.uk

52 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp50-54 products.indd 52 19/11/10 12:00:52 Products & Services Telephone: 020 7880 6206 Email: [email protected]

The total solution from SE Controls SE Controls’ new brochure is intended to give specifiers of natural ventilation and smoke control systems a broad overview of the requirements and regulations covering such systems. The brochure covers the basic principles of each system and offers specifiers guidance on automation solutions. Now widely specified on a Check pic quality range of building types, the brochure shows examples of completed building projects in the residential, educational, commercial and health care sectors. l For more information call 01543 443060 or visit www.secontrols.com

Office block cuts carbon emissions with climate control from Mitsubishi Heavy Industries A VRF air conditioning system from Mitsubishi Heavy Industries (MHI) is encouraging better Dimplex on call – new number for working productivity – and it qualified for a 25% business customers grant from the Carbon Trust – for tenants of It’s now easier than ever to talk business with a large office block in Telford. Stratum House Dimplex, thanks to the launch of a new phone has replaced an inefficient gas central heating service dedicated to non-consumer enquiries. system with a heat recovery system from MHI’s The number, 0845 601 5111, is a direct line KXR inverter range to sales administration, the heating design for simultaneous team, customer services and all the other heating and MHS Radiators strides ahead at support services. The change to 0845 601 5111 cooling as and premier sporting venue has been introduced as part of the company’s where required. MHS Radiators has supplied 22 Sunline radiant commitment to customer care, enabling The system ceiling panels as part of a £38m investment at business callers to get through to their Dimplex achieves a CoP Basildon Sporting Village, Essex. The Sunline contacts quickly on a different number from of up to 3.4, panels were installed in the eight-metre high the one used by consumers. improving the ceiling of the sports hall and were specified for l For more information call 0845 601 5111 or building’s overall their ability to provide warmth and comfort email [email protected] energy efficiency. from height. Generally the systems operate l For more 3C lower than convective systems without any information call loss of comfort – plus air movement is kept to New training course website and 0207 842 8100 a minimum, making them perfect for sports brochure from Polypipe or visit www. facilities. Following the launch of the BPEC Ventilation mitsubishiaircon. l For more information visit Installer training course, Polypipe has launched co.uk. www.mhsradiators.com informative support material in the form of a brochure and dedicated website section. The training course was written by Polypipe BG Controls gives ‘The Regis Ventilation in response to the 2010 revision School’ electronic panel solution to Approved Document F of the Building Award-winning building controls specialists, Regulations, which came into force on BG Controls, has installed a brand new Building 1 October 2010. Management System (BMS) in ‘The Regis Buildings built to plans submitted from School’ to optimise energy efficiency. that date must have their ventilation systems The £39m Building Schools for the Future commissioned and a commissioning report (BSF) development includes a complete given to the local authority building control reconstruction of Bognor Regis Community body; this must be carried out by a suitably College. BG Controls installed the BMS to qualified person. Grundfos is now on YouTube monitor and control technologies such as l For more information call 08443 715523 or YouTube is the world’s most popular online natural ventilation, biomass boilers and gas visit www.polypipe.com/installer-training video community. Founded in February 2005, boilers to maximise energy efficiency. it now provides a platform that allows people l For more information call Duncan Biggins on to connect, inform and inspire others across 01909 517460 or visit www.bgcontrols.co.uk the globe and acts as a distribution platform for many original-content creators. Grundfos Pumps is using the YouTube channel to deliver a wide range of information, including corporate details, service videos and more in-depth solutions-focused innovative products in an interesting and informative way. l For more information visit www.youtube. com/grundfos or call 01525 850000

www.cibsejournal.com December 2010 CIBSE Journal 53

CIBSEdec10 pp50-54 products.indd 53 19/11/10 12:01:17 Products & Services Telephone: 020 7880 6206 Email: [email protected]

Flat pack cooling from ICS ICS has launched a range of flat-pack chillers. Standard and bespoke units can be manufactured, tested and then systematically broken down for transport at ICS’ 50,000 sq ft UK manufacturing facility in Southampton. The components are put on pallets and once delivered, units are taken in pieces to the required site to be re-built, re-tested and installed in the required location. Units can be built specifically for site, incorporating footprint restrictions, unit capacity, noise constraints, or a combination of these. New Impro readers by BPT Security l For more information call 0800 1693861 or Systems make biometric security visit www.icstemp.com an affordable reality BPT Security Systems (UK) has launched the very first biometric readers designed for use Shiny and new: the aluminium catalogue from Titon with its Impro access control systems. Leading ventilation and hardware expert, Titon, has released its The new B-Sho Biometric readers are one of brand new Aluminium Catalogue – a comprehensive guide to the the most cost-effective biometric solutions on company’s wide range of fittings for aluminium windows and doors. the market in terms of both capital cost and With more than 70 pages, the catalogue is divided into three main installation, claims BPT. Unlike other biometric sections for windows, doors and ventilation. They include Titon’s own readers, B-Sho has been specifically designed UK manufactured ventilators and handles, as well as products from to integrate seamlessly with existing Impro market leaders Maco and Securistyle. The catalogue also provides an access control systems without the need for introduction to Sobinco’s huge range of aluminium window and door additional equipment. fittings – exclusively distributed by Titon throughout the UK. l For more information call 01442 230800 or l For more information call 01206 713800 or email visit www.bpt.co.uk [email protected]

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 Ground Source Heat Pump all budgets and applications Leaders in fluid pumping equipment and controls Easy installation – ready assembled Installations • Water Pressure Booster Sets BSRIA tested outputs and surface temperatures SteriTouch® antimicrobial surfaces as standard • Sealed System Pressurisation Units Meeting Renewables Targets Energy efficient copper aluminium emitters • Tank Level & Temperature Controls 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

54 CIBSE Journal December 2010 www.cibsejournal.com

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76 CIBSE Journal December 2010 www.cibsejournal.com

Directory December.indd 76 12/11/10 16:03:26 Looking ahead Events & Training

NATIONAL EVENTS AND services easier and safer to install, CIBSE Building Performance Awards 2011: CONFERENCES use and maintain Bristol An exploration of recurring issues. Engineering for a low carbon built environment l 02 Dec 2010 Building [email protected] Information Modelling (BIM): l 18 Jan 2011 Society of Façade Who Benefits?London Engineering – evening technical What does the future hold for BIM? meeting London www.cibsetraining.co.uk Further details to be announced. l 07 Dec 2010 CIBSE ASHRAE [email protected] Group, CIBSE HCNE and CIBSE l 18 Jan 2011 Services London Centre Young Engineers – Infrastructure & Smart Metering technical meeting London Northampton Low carbon hot water solutions Further details to be announced. [email protected] [email protected] l 09 Dec 2010 Fred Jamieson l 19 Jan 2011 CIBSE Memorial Lunch Belfry hotel HCSE meeting: achieving Plus the Trainee of the Year Award practical carbon reductions in Attendees enjoy dinner launch. [email protected] supermarkets Croydon at the 2010 event l 09 Feb 2011 CIBSE Building Presentation by Tesco. Performance Awards London David Frank, 07801 869586. The first CIBSE Building Grosvenor House hotel in The best-performing buildings and Performance Awards will be London on 9 February 2011. people in the sector. Cibse/other TRAINING staged in February next year, The awards will recognise, www.cibseawards.org/home celebrating all that’s good in reward and celebrate the l 08 Dec 2010 Air Conditioning the building services sector. best examples of actual SOCIETY OF LIGHT AND Inspection for Buildings LIGHTING Birmingham The entries for the new low carbon performance in How to undertake inspections. awards, which build upon practice, allied to excellence l 27 Jan 2011 SLL Lighting www.cibsetraining.co.uk the CIBSE Low Carbon in the design, construction, Masterclass Cardiff l 09 Dec 2010 Dealing Performance Awards launched commissioning and operation The Low Carbon Challenge with multi-building sites and in 2007, are now in, and the of buildings of all types, as well www.sll.org.uk improving the accuracy of your shortlist will be announced as the development of people, DEC London shortly. products and processes in the CIBSE regions Training for assessors. www.cibsetraining.co.uk The prestigious ceremony building services sector. l 03 Dec 2010 West Midlands l 13 Dec 2010 CPD Part L of the will be held at the historic www.cibseawards.org/awards/ Region Annual Dinner Building Regulations update for Birmingham LCEAs London Annual social event. Looking at the updates to Part L. basics 2: distribution systems and l 26 Jan 2011 Fire detection and [email protected] www.cibsetraining.co.uk equipment London alarm systems for buildings – BS l 06 Dec 2010 Visit to l 14 Dec 2010 Providing l 25-27 Jan 2011 Electrical 5839 part 1 London Stephenson College Leicestershire renewable feasibility studies and Services Explained Newcastle MECHANICAL SERVICES Further details will be advised. retrofitting where appropriate BUILDING SERVICES AND l 07 Dec 2010 Introduction to [email protected] London ENERGY EFFICIENCY Combined Heat and Power (CHP) l 08 Dec 2010 UV air Pros and cons of renewables. l 16 Dec 2010 Part L Building London sterilisation Bristol www.cibsetraining.co.uk Regulations London l 17-19 Jan 2011 Mechanical Presentation on UV air sterilisation. l 25 Jan 2011 Part L Building Services Explained Manchester [email protected] CPD TRAINING Regulations Manchester LIGHTING l 09 Dec 2010 Renewable FACILITIES MANAGEMENT l 07 Dec 2010 Lighting basics 1: Energy Tariffs Brighton Visit www.cibsetraining.co.uk, l 12 Jan 2011 Effective light, sight and colour London A presentation on renewable energy call 020 7675 5211 or email Maintenence Management l 08 Dec 2010 Lighting basics 2: tariffs. [email protected] [email protected]. London lamps and luminaries London l 09 Dec 2010 Fire Precautions BUSINESS SKILLS AND FIRE SAFETY l 09 Dec 2010 Emergency in Buildings London MANAGEMENT l 09 Dec 2010 Overview of lighting to comply with fire safety A technical presentation. l 15 Dec 2010 Report Writing current fire legislation and requirements London [email protected] London guidance London l 20 Jan 2011 Lighting basics l 14 Dec 2010 Future Trends in l 19 Jan 2011 Successful Design l 09 Dec 2010 Emergency 3: interior lighting applications Street Lighting London Management London lighting to comply with fire safety London What will the future landscape look ELECTRICAL SERVICES requirements London PUBLIC HEALTH AND WATER like? [email protected] l 01-03 Dec 2010 Electrical l 14 Jan 2011 Smoke control: l 14 Dec 2010 Building Drainage l 14 Dec 2010 The New Part L Services Explained London matching the method to the Explained London Plymouth l 12 Jan 2011 Building electrics building London Ant Wilson presents the changes. basics 1: choosing electrical l 19-21 Jan 2011 Detailed Send your event details to [email protected] supplies London technical design of fire alarm [email protected] l 13 Jan 2011 Making M&E l 13 Jan 2011 Building electrics systems London

www.cibsejournal.com December 2010 CIBSE Journal 55

CIBSEdec10 pp55 events.indd 55 19/11/10 12:02:09 Appointments Telephone: 020 7324 2787 Email: [email protected]

Senior Electrical Engineer £40,000-£45,000, Tonbridge Specialists in Building Services Recruitment Our client, a consultancy established for over 30 years requires an electrical design engineer from a Building Services background. The company is built on long standing relationships with its clients and a reputation for its quality of work within the public and private sector. The successful candidate will have strong technical design skills, Sustainability Engineer | Surrey | NEG! | ref: 7478 be client facing and able to work on their own Our client requires an experienced engineer to bolster and develop their green Building Design sector. Experience of passive and active solutions to sustainable or lead project teams. Ideal candidates will have building design and a grasp of the relevant regulations is ideal. Technically excellent completed a relevant engineering degree and and able to sell ideas and solutions to clients and other engineers. be a chartered engineer. Mechanical Design Engineer | London | to £50K+ | ref: 8774 Our client is looking to recruit a senior / principal level engineer to help build and BAR537/JA develop a growing team. You will be technically sound, able to liaise with clients, carry out detailed design work and have worked with signature architects. This is a real opportunity to join a successful company and progress your career. Senior Electrical Design Engineer – Data Centre | London | £NEG! | ref: 6412 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 Associate Mechanical in the data centre sector. Excellent support and development will be provided. Design Engineer Mechanical Project Engineer/Design Manager | London | £NEG! | ref: 3122 We are currently looking for an experienced mechanical engineer for a major £50,000-£65,000, Central London blue chip M&E Contractor. You will have a solid design background and be We are recruiting for an associate mechanical design comfortable with technical input into services, products and subcontractors. engineer with strong technical design skills along Rail experience would be an ideal, but not essential. with business development acumen. The successful M & E Technical Design Managers | UK Wide | to £50K+ | ref: 4123 A multi-national M&E Contractor is currently looking to recruit experienced candidate will have previously worked as a mechanical Technical M&E Design Managers for various locations across the UK. You will associate or principal mechanical design engineer in have an excellent technical knowledge and able to liaise with clients. A mixed a building services consultancy. Leading a team of Contractor/Consultancy background is ideal! building services engineers on varied projects, client For more information or a confidential discussion please contact Mark Butter liaison and development, preparation of budget cost reports, and creating tender documents. The ideal t: 02392 603030 candidate will have completed a degree in e: [email protected] www.blueprintrecruit.com engineering and be a chartered engineer. E3 & E5 Heritage Business Park, Heritage Way, Gosport, Hampshire PO12 4BG BAR535/JA Senior Mechanical Engineer to £40p/h, Berkshire To advertise your jobs with CIBSE Journal contact: Contract engineer required to deliver Mechanical [email protected] Building Services design for replacement buildings 020 7324 2787 at one of the largest high technology nuclear research, design development and production facilities in the country. Successful applicants should be able to demonstrate extensive experience of delivering technical work packages without supervision, possess the ability to solve complex technical challenges, and communicate those solutions effectively. Engineers with current Security Clearance and Nuclear, Pharmaceutical, Process or The home of building services Laboratory Containment experience preferred. vacancies in print and online BAR538/CB

For further information and to apply, please call us on 0845 519 4455 or email [email protected] Visit jobs.cibsejournal.com Discover your future at www.b-a-r.com to find your next career move

56 CIBSE Journal December 2010 www.cibsejournal.com

p56-57_CIBSEMagDec10.indd 56 17/11/10 12:37:04 Appointments

Corporate Services Building Services Vacancies Estate Development Not just any recruitment. These full-time posts are available immediately on a permanent basis.

Sustainability Design Engineer Assistant Electrical Engineer Ref: 11339 London - from £35,000 + Benefi ts An established consultancy requires a degree qualifi ed engineer specialising in Energy Management and sustainable building services design. They require an engineer who is part of a (Ref. L5121780) design team looking to achieve the best value low energy designs. You will in part have experience with Chilled Beams, VAV, Computer Room Cooling and CHP systems. The ideal candidate is a mechanical engineer who has experience with energy strategy for planning application and SAP Salary up to £27,319 depending on qualifications assessor and will have equipment selection experience. and experience Contact Darren Warmington on 01483 768 600

Electrical and Mechanical Design Engineers – Intermediate and senior levels The University of Exeter is seeking to recruit an enthusiastic Ref: 11162 London & Home Counties - £35,000-£50,000 + excellent benefi ts Electrical Engineer with some postgraduate experience to work as Dealing with top Blue Chip clients, our client has a need for both Mechanical and Electrical design part of a multi-disciplinary Mechanical & Electrical (M & E) Team in engineers who are looking to develop towards associate Level. You will be expected to work with drive and ambition to design and manage your own projects. Some travel may be expected. Estate Development Services, delivering the estate infrastructure plan. Applicants will need to show a proven track record within the M&E building services industry. Contact Richard Sutton on 01483 768 600 Based at the Streatham Campus, this post offers the opportunity for you to build electrical engineering skills reporting to the Senior M&E Manager Ref: 11490 London & South East – Circa £54,000 + Benefi ts Electrical Engineer. A very recognised and respected Main Contractor is seeking an M&E Manager to join their team. You will be working across a variety of sectors which include Commercial, Health, Education You must be willing to undergo training to become a Chartered and Residential. The successful applicant will be able to demonstrate a stable career working Electrical Engineer. within the main contractor environment. This position requires experience in the management of subcontractors and their on-site labour, programming, coordination, value engineering and The University estate has a wide variety of buildings including surveying. You should hold a CSCS card. laboratories, workshops and teaching spaces, and in addition, Contact Darren West on 01483 768 600 the Estate Development Service is responsible for the provision of Associate Mechanical Director (Design) the high voltage distribution system. Ref: 11098 Central London £55,000 + Benefi ts Will appeal to a Project Team Leader responsible for management of technical and specialist projects The starting salary will be from £24,273 up to £27,319 on Grade E, in the corporate and private sector. Projects involving design, management, supervision, survey, consultation and report writing. You will also be responsible for assisting in resource and fi nancial depending on qualifications and experience. planning, maintaining quality of groups output and being involved in the practice operation. This will suit an ambitious senior engineer who is looking to progress. The successful candidate will preferably Application packs are available from be Chartered, commercially minded and have experience in the London market. http://www.admin.ex.ac.uk/personnel/jobs/L5121780.pdf Contact Darren Warmington on 01483 768 600 or e-mail [email protected] quoting reference number L5121780. Call 01483 768600 or email [email protected] to enquire about these and other vacancies. Head of Engineering BSV Consultants (Ref. L5211432) www.bsvconsultants.co.uk Salary up to £52,347 depending on qualifications and experience The University of Exeter is seeking to recruit a Chartered Electrical Engineer with significant postgraduate experience to head a multi-disciplinary M & E team in Estate Development Services. Based on the Streatham Campus, this post offers the opportunity for you to build upon existing engineering and management skills. You will be required to take responsibility for the management of a small department of mechanical and electrical engineers who are working on a programme of projects which include M & E elements of major building projects and projects which are wholly M & E in nature. 7KH&,%6( The capital value of the projects ranges between £500k to £40m. The department also has significant responsibilities for the provision of high voltage electricity, medium pressure gas supplies and a %HQHYROHQW)XQG water network. You will be expected to advise on technical matters and deal with general estate issues relating to the utility infrastructures. 0HPEHUVKHOSLQJPHPEHUV The University is keen to appoint an Engineer with experience of DQGWKHLUGHSHQGDQWVLQQHHG team management, design and project management. You must be able to work on your own initiative and be effective leading ,QWKH&,%6(%HQIXQGUHFHLYHGD multi-disciplinary teams. LQFUHDVHLQUHTXHVWVIRUKHOS The starting salary will be from £38,951 up to £52,347 on Grade G, depending on qualifications and experience. Application packs are available from :HDUHKHOSLQJPRUH%XLOGLQJ6HUYLFHV http://www.admin.ex.ac.uk/personnel/jobs/L5211432.pdf (QJLQHHUVWKDQHYHUEHIRUH or e-mail [email protected] quoting reference number L5211432. The closing date for completed applications is 12 noon on +HOSXVWRKHOSWKHP 16 December 2010. -XVWWLFNWKH%HQIXQGER[RQ\RXU The University of Exeter is an equal opportunity employer PHPEHUVKLSUHQHZDO and promotes diversity in its workforce and, whilst all applicants will be judged on merit alone, is particularly keen to consider applications from groups currently underrepresented in the workforce. 9LVLWZZZFLEVHRUJEHQIXQGWR¿QGRXWPRUH DERXWWKHZRUNRIWKHEHQIXQG

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www.cibsejournal.com December 2010 CIBSE Journal 57

p56-57_CIBSEMagDec10.indd 57 17/11/10 12:37:17 People

Movers & Shakers

Catching Multi-disciplinary new chairman. Jones has more engineering than 30 years’ experience as an consultancy industrial fan manufacturer. In his Cundall has new role, he aims to raise the appointed profile of the FMA. the bug Andrew Parkin as its new acoustics director. Johnson Controls, Greg Carpenter of Hoare Lea explains Parkin has worked in acoustics for a supplier of how he caught the engineering bug in more than 13 years. He will be energy efficiency based in Cundall’s Birmingham products for just one day office and will work on projects buildings, has across the UK and internationally. appointed Greg Carpenter was just a Agostino Renna as vice president schoolboy when he was first Bryan and general manager for Energy introduced to the building services Glendinning, Solutions in Europe, the Middle sector, but it was enough to get commercial East and Africa. him hooked. director of It was while he was completing Warmer Heating, The K&C Group a work experience placement at has been has employed an architectural department that appointed chairman of the Grant Bleddyn Jones his interest was first ignited. ‘In Aided Heating Installers Network. as its new the building services department Glendinning was originally the construction they were designing a night club network’s first vice-chairman. manager. Jones and choosing lots of whizzy lights He replaces Paul Cooper, the was chosen by the construction and talking about amplifiers and network’s chairman of eight years. company to manage K&C’s speakers – to a 15-year-old this was commercial and residential awesome!’ enthuses Carpenter. Ten new ordinary council developments in north west During the past 20 years I am lucky to be members have been elected Wales. Carpenter has carved quite a surrounded by onto the Institution of Structural career for himself in the industry, Engineers (ISE) council. The Kjeld Staerk is the and is now an associate at multi- some great people new members are: William new chairman of disciplinary consultancy, Hoare Lea. – the enthusiasm is Harvey, Elisabeth Green, Suzanna EPEE (European In his current role, the 38-year-old Ovenstone, Barry Ayres, Ian Cox, Partnership for oversees the delivery of projects infectious Mark Edwards, Paul Sau-Chung Energy and the while running a team of engineers, Tsang, Fergus Shaw, Kerry Greeves, Environment), promoting Hoare Lea and finding and a number of different people and Matthew Evans. The new which represents the refrigeration, new work. working on different facets; members expressed a passion air conditioning and heat pump ‘Most of my time in the last ultimately, these all need to be on wide ranging issues, including industry in Europe. He will help three years has revolved around brought back into a complete work sustainability, international EPEE continue its fight to reduce meetings – either with the client package for delivery. This leaves engagement and inspiring a new carbon emissions generated from team, design meetings with the little time available during the day generation of engineers. heating, refrigeration and air professional team, or the bread and lunch is usually held on the conditioning systems. and butter co-ordination meetings move chatting about the latest NG Bailey, a with my colleagues in Hoare Lea,’ hot topic.’ building services Steve Rickards explains Carpenter. Carpenter divides his time provider, has has been His day typically kicks off with a between the office and site visits, announced Steve appointed as the client or design meeting that can depending on what stage each Parr as its supply new commercial last anywhere between two and project is at. chain and director for four hours, followed by discussions ‘My time at Hoare Lea has been business transformation director. Heatrae Sadia with the Hoare Lea team, either all about team work – I’m lucky Parr was formerly supply chain Heating and Baxi Group New working out how to deliver a to be surrounded by great people director at Carillion plc. In his new Build and New Design. This is a particular aspect of design, solving with lots of ideas and dedication, role he will lead the company’s new position, created following a a problem, or on work related to all working to a common goal – the supply chain function, as well as strategic review undertaken by the morning meeting. enthusiasm is infectious. being responsible for the Heatrae Sadia and its parent Carpenter added: ‘Disseminating So, what of the future? ‘In the company’s strategy development. company, Baxi Group UK, of the the information from the meetings short term, I am taking a lead role future of the water heating market to the Hoare Lea team is incredibly in setting up a new office for Hoare Members of and new build housing sector. important in order to keep the team Lea in Cambridge, planned to open the Fan focused, motivated and up to speed in the next three months. My long- Manufacturers Derek Gow has been appointed with the pace at which the project term goal would be to be become Association as group sales director at HEVAC is moving. a partner in Hoare Lea, but clearly (FMA) have systems manufacturer, Vent-Axia. ‘A project as large as One there is a lot of hard work ahead!’ elected Mark Gow will be responsible for the New Change [a large mixed-use Jones, managing director of performance of its sales team Email people appointments/ development in London], for industrial fan manufacturer across residential, commercial role profiles to example, means that there are Woodcock & Wilson, as their and industrial sectors. [email protected] many aspects to stay on top of

58 CIBSE Journal December 2010 www.cibsejournal.com

CIBSEdec10 pp58 people.indd 58 19/11/10 10:41:27 www.cibsejournal.com December 2010 CIBSE Journal 59

p59_CIBSEMagDec10.indd 59 15/11/10 10:25:49 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]

60 CIBSE Journal December 2010 www.cibsejournal.com

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