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PrecastAn Eco-friendly option? Jim Lewis, RA, LEED AP ASTM E60 Sustainability October19, 2009
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LCA and Precast Why is an LCA important? What will PCI and the industry do with the results? Will we be transparent?
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Greenwash (grenwosh,-wôsh) – verb: the act of misleading consumers regarding the environmental practices of a company or the environmental benefits of a product or service. Source: www.sinsofgreenwashing.org
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Truth? Lighter, cleaner and more energy efficient than precast…
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The process An credible LCA requires: Good data: oManufacturer data (9 precasters); oPCA reports with LCI data on cement and concrete; and oU.S. LCI database (NREL) A good process: oISO 14040 oISO 14044 Transparency: oExternal review team; and oExperienced consultant.
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Credible partner LCA consultant –RFP creation –Lit review –Interview moderator Interviewed 3 –Athena/Morrison Hershfield –PE Americas/Five Winds –CIRAIG External review team –Professor, Carnegie Mellon –Berkeley Labs –British Precast Association
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Outcome
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Why an LCA? To benchmark industry and back claims RequestsOwners Requirements Congressional Caucus Coalition (hpbccc.org)
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Comparative analysis 3 partners Phase 1: Comparative analysis Per ISO, specific requirements for disclosed, comparative assertion LCAs. Data for all products must be treated equally and be of similar quality.
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Building scenarios Envelope and abbreviation Structure and abbreviation Steel (S)Cast-in-place concrete (C) Precast concrete (P) Curtain wall (CW)S-CWC-CWP-CW Brick and steel stud (S)S-SC-SP-S Precast concrete (P)S-PC-PP-P Insulated precast concrete (PI) S-PIC-PIP-PI Insulated precast concrete and brick veneer (PIB) S-PIBC-PIBP-PIB Under Ground Services - (Contain Liquid) - (Keep Liquid Out) Precast concrete only, full LCA
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New Eco-shape bottle uses 30% less plastic. The new bottle weighs 12.5 grams which is 15% less. Nestle estimates it will save 65 million lbs of plastic with Eco-shape. Cap was blue, which wasnt recyclable. Example: manufacturer changes
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What do we do with an LCA? Improve our processes Improve our products Improve structures
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Next steps Phase 2-Building use Transportation products
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Questions? Thank you for your time!
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