delivering the future, today
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Delivering the future, today. Specifying and designing public sector low carbon buildings – the productivity design approach. [email protected]. Scottish Government Energy Efficiency Action Plan. October 2010. - PowerPoint PPT PresentationTRANSCRIPT
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Delivering the future, today
Specifying and designing public sector low carbon buildings – the productivity design approach
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Scottish GovernmentEnergy Efficiency Action Plan
“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.”
October 2010
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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 economicallyUK-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
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Delivering the future, todaySuite of Documents
Executive summarySetting the sceneProject Manager’s GuideProject Owner’s Guide
Tools– Client value preparation – Skills, knowledge and experience – Low carbon tracker
www.carbontrust.com/resources/reports/advice/delivering-the-future-today
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OPERATIONAL ENERGY TARGET
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SETTING THE SCENE
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Temperature
Thermal comfort wintertimeThermal comfort summertime
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DaylightCalifornian 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.
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How to make it low carbonPassive first
1
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Efficient Services – not overspecification
2
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Ensure services are off when not needed
3
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Heat Recovery
4
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Renewables
5
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So, just specify x% better than building regulations to get better performance?
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The specification gap
Regulated
Overall design carbon emissions
U-value and air tightness levels
Ventilation levels
Elemental carbon emissions
Minimum equipment efficiencies
Controls for individual items
Asset related emissions Operational emissions
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Time and Cost
More time for design – Innovation, Best ValueCapital Cost
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Capital Costs
Angus Council – 50% energy savings compared to previous school at no capital cost premiumWhitecross in Hereford, 50% energy savings 0.7% capital increaseInverclyde Council – 4% capital increase with 30% reduction in energy
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Whole life costing
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 20100%
50%
100%
150%
200%
250%
300%
350%
Electricity Gas HFO
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PROJECT MANAGER’S GUIDE
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Client value preparation tool
Organisational ManagementClient Values at Project InceptionProcess and FinanceInvestment and Whole-life CostsContractual Arrangements
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Site selection
Orientation optionsUrban horizon angleAccess to enable delivery of biofuelsPlanning restrictionsAvailable spacePrevailing weather directionZoning of adjacent areas
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Skills, knowledge and experience tool
Site selection Sustai
nabilityOperatin
g energy
DesignProdu
ctivity
Investment
Operational
Cost
Construction
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Design team selectionDesign team contracted to design a low carbon building
Full dynamic thermal and visual modelling to optimise passive façade and orientation
Operational modelling during design process
Adherence to commissioning metering and monitoring requirements
Architect and Services engineer toallow time to work together
Design team fees to incentivise integrated design and passive demand reduction
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HOW THE CARBON TRUST CAN HELP YOU
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Further assistance
Support the Client in specificationBe a handholder for the Client through the whole procurement processAct as Technical Advisor on project design teamBe a verifier of key milestones reporting direct to Project SponsorProvide extensive training for different members of the design team