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Designing Low Carbon Buildings for the Public Sector: A Productivity Approach

This document outlines strategies for specifying and designing low carbon buildings in the public sector, aligning with the Scottish Government's Energy Efficiency Action Plan. It emphasizes the importance of energy efficiency guidance and leadership to reduce the UK's carbon emissions, particularly from non-domestic buildings, with a goal of achieving substantial carbon savings economically. Key insights include leveraging existing measures for carbon reduction, the significance of natural lighting in educational settings, and innovative solutions for optimizing energy performance without significant capital costs.

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Designing Low Carbon Buildings for the Public Sector: A Productivity Approach

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  1. Delivering the future, today Specifying and designing public sector low carbon buildings – the productivity design approach Renate.powell@carbontrust.co.uk

  2. Scottish GovernmentEnergy Efficiency Action Plan October 2010 • “We will provide clear energy efficiency guidance and leadership to the public sector to enable the delivery of energy saving improvements and promote exemplary behaviour.” • “We will work with the Carbon Trust to produce guidance… on the procurement of energy efficient, low carbon buildings in the public sector.”

  3. The sector matters… • 18% of UK’s carbon emissions are from non-domestic buildings • Many of the measures for carbon reduction in our buildings exist today and could be implemented quickly … and has potential to deliver significant carbon savings economically • UK-wide 35% carbon reductions by 2020 (vs. 2005) could deliver net benefit to UK of £4-5bn – • Reducing more carbon, sooner, will lead to a reduction in cumulative cost of achieving 80% reduction by 2050 • Reductions of 70-75% could be possible at no net cost to UK

  4. Delivering the future, todaySuite of Documents • Executive summary • Setting the scene • Project Manager’s Guide • Project Owner’s Guide • Tools • Client value preparation • Skills, knowledge and experience • Low carbon tracker www.carbontrust.com/resources/reports/advice/ delivering-the-future-today

  5. Operational Energy Target

  6. Setting the scene

  7. Temperature • Thermal comfort wintertime • Thermal comfort summertime

  8. Daylight Californian study on 20,000 pupils. It found that in schools, students with the most day-lighting in their classrooms progressed 20% faster on maths tests and 26% faster on reading tests in one year than those with the least.

  9. How to make it low carbon Passive first 1

  10. Efficient Services – not overspecification 2

  11. Ensure services are off when not needed 3

  12. Heat Recovery 4

  13. Renewables 5

  14. So, just specify x% better than building regulations to get better performance?

  15. The specification gap Asset related emissions Operational emissions

  16. Time and Cost • More time for design – Innovation, Best Value • Capital Cost

  17. Capital Costs • Angus Council – 50% energy savings compared to previous school at no capital cost premium • Whitecross in Hereford, 50% energy savings 0.7% capital increase • Inverclyde Council – 4% capital increase with 30% reduction in energy

  18. Whole life costing

  19. Project manager’s guide

  20. Client value preparation tool • Organisational Management • Client Values at Project Inception • Process and Finance • Investment and Whole-life Costs • Contractual Arrangements

  21. Site selection • Orientation options • Urban horizon angle • Access to enable delivery of biofuels • Planning restrictions • Available space • Prevailing weather direction • Zoning of adjacent areas

  22. Skills, knowledge and experience tool

  23. Design team selection

  24. How the carbon trust can help you

  25. Further assistance • Support the Client in specification • Be a handholder for the Client through the whole procurement process • Act as Technical Advisor on project design team • Be a verifier of key milestones reporting direct to Project Sponsor • Provide extensive training for different members of the design team

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