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Online Catalogue | Construction

	Creating Environmental Weightings for Construction Products
	Order Code: BR042EP Publisher: BRE Press No. of Pages: 22 Date of Publication: 2007 Price: £25.00
This Report gives the results of a BRE study conducted in 2006 to update weightings for a range of environmental issues first established in 1999. An international panel of 10 experts was set up to judge the importance of 13 parameters and their individual responses have been aggregated to create a single set of weightings. The Report also explains how the weightings are applied to BRE's tools for assessing the environmental impact of construction products. The Report: describes the methodology analyses the statistical techniques employed and the statistical robustness of the weightings obtained explains how the weightings contribute to the Environmental Profiles methodology for measuring the environmental performance of construction products. explains how environmental ratings ('Ecopoints') are arrived at gives the latest results and analysis of a weightings exercise supports the revision of The Green Guide to Specification Contents Executive summary Introduction The weightings exercise Results Conclusions References Annex 1: The Expert Panel Annex 2: Extracts from the BRE online questionnaire Annex 3: Expert responses Annex 4: Non-expert responses Annex 5: Reliability analysis of expert responses



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