Suzy Edwards

1
Suzy Edwards

• Independent Sustainability Consultant
• DFES Sustainable Schools 4th Dec 06

2
LCA Inventory Analysis for a Building
Upstream
Product System
Downstream
Inputs
Outputs
Building
Energy resources Material resources Water
resources
Emissions to air Emissions to water Emissions
to land
Key Boundary ________ Inventory
Functional Unit
3
Environmental Profiles Methodology

• DETR sponsored project with 24 Industry Partners
• Industry consensus for Methodology
• Applies LCA to all construction materials
• Transparent approach
• Associated Database of LCA data on Internet

4
Characterised data
5
Using Ecopoints and Green Guide scores
A
C
B
Best Ecopoint score for a range
1.7
2.9
Worst Ecopoint score for a range
6
Derivation of Ecopoints
Issues
Weighting
Measurement
E C O P O I N T S
7
(No Transcript)
8
Green Guide
Significance
Importance
9
Green Guide
Construction Element
Specification
Issue
Rating (A, B, C)
Summary Information
10
Ecopoints per m2 for range of components (from
Green Guide)

• ZODP insulation 0.05-0.25
• (w. HFCs insulation 0.1-0.9 )
• Floor finishes 0.1-4.2
• Roofing 0.5-4.1
• Ext Walls 0.5-2.5
• Upper floors 1.2-2.2