Cutting carbon in construction
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Transcript of Cutting carbon in construction
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Cutting carbon in construction
John Barritt
Construction Materials Sector Specialist
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WRAP ‘Designing out Waste’ tools and guidance for maximising the carbon benefits of resource efficient construction
Reducing waste and carbon through an efficient site waste management plan
Exploring the options for recycling concrete without increasing net carbon
Defining model procurement requirementsfor carbon efficiency in construction projectsand facilities management
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WRAP Tools
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Identify opportunities to design out waste in buildings projects;
Record design solutions pursued to reduce material consumption, wastage and carbon;
Calculate the impact of these solutions, including savings in project costs, waste to landfill and embodied carbon;
Compare the performance of different projects / alternative designs; and
Provide an indicative waste forecast for your Site Waste Management Plan(SWMP).
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User journey Register/login
Performance report (waste forecast)
Record actions and impacts
Enter project details
Design review workshop
Awareness session: review of principles
Creativity session: generate ideas
Reasoning session: prioritise ideas
Calculate combined impacts
Reporting
Add new project
Detailed report
Project comparison
Use project as template
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WRAP SWMP Template
Users: Design Team, Client, Principal Contractor
When: As early in the project as possible
Inputs:
Waste forecasts
Actual waste arisings
Waste destinations
Cost: A few hours, depending on project size
Benefits:
Meet the legal requirement (England only)
Identify Good & Best Practice opportunities
Assign responsibilities for waste management actions
Identify areas for improvement & lessons learned
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SWMP Section
1 Enter Basic Details
2 Record Waste Prevention Actions
Forecast Waste Non Compliances: 11 / 11
3 Review >
Record Waste Reduction Actions
Specify Waste Carriers
4 Plan Waste Destinations
Record Waste Management and Recovery Actions
Status:
5 Enter Actual Waste Movements
Non Compliances: 16 / 16
Review >
KPI's
Status:
6 Reporting
Non Compliances: 2 / 2
Sign DeclarationReview >
Guidance
Pre- Construction
Not compliant
Compliance
Section 1.0
Section 2.0
Section 3.0
Construction
Post Completion
Status:
Not compliant
Not compliant
Project Stage
Section 4.0
Section 5.0
Section 6.0
Policy and setup
Preparation and
concept design
Detailed design
Construction
Pre-construction
Post completion
and use
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Crushed concrete produces a quality recycled aggregate
What are the most resource efficient and low carbon uses for aggregates produced from concrete?
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Recycled aggregates as coarseaggregate for concrete:
Limitations within concrete standard restrict use
Viable technical options for non structural concrete
>20% in structural concrete increases water demand, cement content and carbon
Use should be close to crushing operation to prevent high transport carbon
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2008 aggregate market
sand & gravel
28%
crushed rock
44%
recycled/secondary
28%
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For more information:
www.wrap.org.uk/constructionwww.aggregain.wrap.org.uk