Lighting for the Workplace
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Lighting for the Workplace AWB_Workplace_Q_Produktb_UK.qxd 02.05.2005 10:35 Uhr Seite 3 CONTENTS 3 Foreword by Paul Morrell, 4–5 President of the British Council for Offices INTRODUCTION 6–7 The Changing Corporate Perspective 6–7 WORKPLACE LIGHTING – PAST, PRESENT AND FUTURE 8–51 Lighting Research versus the Codes 10–11 – The Lessons of Lighting Research 12–15 – Current Guidance and its Limitations 16–23 Key Issues in Workplace Lighting 24–29 Natural Light, Active Light & Balanced Light 30–37 Further Considerations in Workplace Lighting 38–47 Lighting Techniques – Comparing the Options 48–51 WORKPLACE LIGHTING – APPLICATION AREAS 52–97 Open Plan Offices 56–67 Cellular Offices 68–71 Dealer Rooms 72–75 Control Rooms 76–79 Call Centres 80–83 Communication Areas/Meeting Rooms 84–87 Break-Out Zones 88–91 Storage 92–93 Common Parts 94–97 WORKPLACE LIGHTING – LIGHTING DESIGN 98–135 Product Selector 100–133 Advisory Services 134–135 References & Useful Websites 135 IMPRINT Publisher: Zumtobel Staff GmbH, Dornbirn/A Design: Marketing Communication Reprints, even in part, require the permission of the publishers © 2005 Zumtobel Staff GmbH, Dornbirn/A Paul Morrell President of the British Council for Offices (BCO) London aims to continue being Europe’s leading financial centre and will need more, higher quality office space in the future (photo: Piper’s model of the future City of London, shown at MIPIM 2005) FOREWORD 5 The UK office market, in particular in London, is changing, driven by a number of long-term trends in international banking and finance. Informed forecasts, such as the recent Radley Report*, point, firstly, to a shift towards our capital city, at the expense of Paris and Frankfurt, as Europe’s leading financial centre, with a commensurate pressure on office space. Secondly, we can see a medium-to-long term growth in the number of highly educated, mathematically literate graduates required to run these complex, sophisticated financial operations. This shift from low skill to high skill staff puts a premium Paul Morrell BSc FRICS Hon FRIBA President on worker satisfaction, as they become ever more demanding of their company and working of British Council for Offices conditions. The lesson is clear – nothing is more important in a service economy like ours than the efficiency of the working environment. In today’s fast-moving marketplace, successful companies must invest in improved design and specification, to attract and retain an increasingly valuable and demanding workforce. People, not technology, must become the driving force of future office design. If one looks at the ratio of long-term costs of any business, including building design, construction, maintenance and personnel, design is a tiny fraction of the total – about 0.05 % of the cost of your workers. Yet that very small investment in good design has been proven to have a huge impact on staff satisfaction, efficiency and profitability. To put it another way, if a building can increase the productivity of its occupants by 10 per cent, you essentially get it free. For all these reasons, improved design and specification – and especially lighting, the subject of this timely brochure from Zumtobel Staff Lighting – can make a significant contribution to long-term success. * The Outlook for Banks Operating in the City of London (Radley & Associates, March 2004) People & The Workplace As Organisations change, so does the Role of the Workplace e sourc s Man Re ag Historical an em m e u n Perspective H t WORKFORCE “the wages grow exponentially” Lower qualified Less Aspirational Resistant to Change Traditional division between Human Resources and Facilities Management FM driven Desk/task area focus Functional “a cost centre to be controlled” WORKSTATION F ac nt ili me ties manage e Mana orat gem Contemporary rp en Co t Best Practice wellness war for talent gymnasia esprit de corps brand in the workplace very aspirational Productivity factors management culture influenced by lighting: attraction, retention, motivation Speed WORKFORCE Persistence Living at Work Accuracy WORKPLACE Attraction lifestyle in the workplace Retention added value Motivation break out zones Satisfaction open change agenda Happiness common parts differentiation Potential Untapped Lighting flexiworking Dividend best practice lighting The Untapped Lighting Dividend Single Path – Physiological Generic practice Conventional lighting Visual Task Productivity (Louvred Downlights) Capabilities Performance Result "Lighting and task Best practice Visual Task conditions Enhanced lighting Capabilities Performance that improve visibility Productivity (Direct/Indirect) lead to better task Dividend performance" Dual Path – Physiological & Psychological Physiological Path “Lighting and task Visual Task conditions that improve Capabilities Performance visibility lead to better task performance” Productivity factors influenced by lighting: “People with dimming Personal Control Speed Task control showed more sustained motivation, and Persistence Performance improved performance on Best practice Motivation a measure of attention” Accuracy lighting Attraction (Direct/Indirect and Retention controls) “People with dimming con- Motivation trol reported higher ratings Satisfaction Personal Health & of lighting quality, overall Control Wellbeing environmental satisfaction, Happiness and self-rated productivity” The Untapped Appraisal “People who are more sat- Lighting Dividend isfied with their lighting, rate Health & Preference the space as more attrac- Wellbeing tive, are happier, and more satisfied with their environ- Mood ment and their work” *”This is the first time that this com- Psychological Path* plete path has been demonstrated” “Light is the key to well-being.” lighting design should be based workplaces – gymnasia, break- cal, rather than purely visual, – Le Corbusier on the latest scientific research out zones, thoughtfully designed aspects of lighting. into lighting and visual comfort – common parts. most of which is ignored in The leading financial houses in Constructing and operating a current advisory codes. As we The advantages gained by such the City of London and other building can cost a lot of money demonstrate on pages 12–15, hygiene factors are only just financial capitals have long – but not nearly as much as the this research points towards a beginning to be fully appreciated realised the importance of light- cost of the people who occupy number of significant conclu- – easier change management, ing – share dealer rooms, which the building. In the same equa- sions that are embodied in our sense of belonging, mirroring produce the most spectacular tion the cost of the lighting is whole approach to workplace the employees own personal profits, are always equipped insignificant. Comparatively lighting. aspirations – being just some. with state-of-the-art direct/indi- small investment in better design So, far from being a cost to be rect lighting systems. Most have and better lighting can have a These pages illustrate how good controlled, the workplace is sophisticated controls. Banks huge, positive knock-on effect lighting can pay dividends. The increasingly being viewed as an and share traders know that for many years to come. Con- historical management perspec- asset to be managed. But all such systems create the most versely bad design can push up tive of the workplace – a cost to the investment in hygiene fac- stimulating and visually comfort- long-term costs – while hitting be controlled – has lead to the tors and company culture can able working environments. the bottom line. adoption of a standardised, and be stifled if we follow the con- flawed, lighting approach for ventional, flawed lighting design However at Zumtobel Staff we In a world where the pace of offices. But there are signs of path. As business management don’t believe that the best light- change in work patterns, com- change. Exceptional businesses changes so must lighting begin ing should be confined only to pany practices and technology are beginning to incorporate a to reap the untapped dividends high profile bond traders and is accelerating, we believe that range of hygiene factors in their associated with the psychologi- the like – ordinary administrative staff and other grades should not have to compromise with inferior, direct downlighter sys- tems, which surveys show are W Integrated Model ual ell-B vid e universally disliked. For the sake of Lighting Quality* di in n g of job satisfaction, visual com- I – visibility fort and general well-being, they – “Lighting is for more than – activity – social & communication also deserve the best lighting – visibility” – mood, comfort and that means direct/indirect – “Comfort is more than glare – health & safety systems. These central princi- control” – aesthetic judgement ples, derived from the findings of lighting science – direct/indi- * Jennifer A. Veitch, Ph.D. National Research Council of Canada rect lighting and dynamic, vari- www.irc.nrc-cnrc.gc.ca/ie/light The able light levels – lie at the core Untapped of this guide to office lighting. In Lighting combination they correspond to Dividend Zumtobel Staff’s central lighting – installation – form design philosophy, which can be – maintenance – composition summed up in the phrase “light- – operation – style – energy – codes & ing for people”. – environment standards E ** A re conomics rchitectu ** see Chart page 7 AWB_Workplace_Q_Produktb_UK.qxd 02.05.2005 10:37 Uhr Seite 7 Economics THE CHANGING CORPORATE PERSPECTIVE 7