Document Detail

Environmental Performance of Green Building Code and Certification Systems.
MedLine Citation:
PMID:  24483287     Owner:  NLM     Status:  Publisher    
We examined the potential life-cycle environmental impact reduction of three green building code and certification (GBCC) systems: LEED®, ASHRAE 189.1, and IgCC. A recently completed whole-building life cycle assessment (LCA) database of NIST was applied to a prototype building model specification by NREL. TRACI 2.0 of EPA was used for life cycle impact assessment (LCIA). The results showed that the baseline building model generates about 18 thousand metric tons CO2-equiv. of greenhouse gases (GHGs) and consumes 6 terajoule (TJ) of primary energy and 328 million liter of water over its life-cycle. Overall, GBCC-compliant building models generated 0% to 25% less environmental impacts than the baseline case (average 14% reduction). The largest reductions were associated with Acidification (25%), Human Health-Respiratory (24%) and Global Warming (GW) (22%), while no reductions were observed for Ozone Layer Depletion (OD) and Land Use (LU). The performances of the three GBCC-compliant building models measured in life-cycle impact reduction were comparable. A sensitivity analysis showed that the comparative results were reasonably robust, although some results were relatively sensitive to the behavioral parameters, including employee transportation and purchased electricity during the occupancy phase were relatively sensitive to the results (average sensitivity coefficients 0.26-0.29).
Sangwon Suh; Shivira Tomar; Matthew Leighton; Joshua D Kneifel
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-31
Journal Detail:
Title:  Environmental science & technology     Volume:  -     ISSN:  1520-5851     ISO Abbreviation:  Environ. Sci. Technol.     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-2-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0213155     Medline TA:  Environ Sci Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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