Forum discussion

CI-2009 MRc5:Regional Materials

Cut Sheets with % Local vs. Assembly Calculations

My question is for 2.0, but I think the content is still relevant to 2009. We have been asked to provide calculations for how the raw materials were determined for some products and told to reference the assemblies’ information from MRc4 to do so. Manufacturers’ letters or cut sheets have also been requested. The documentation for these products states that xx% was manufactured (or extracted) within 500 miles. Is this sufficient? Also, the credit asks for product cost but not material cost. If 98% of the product was extracted locally, do I input the whole cost towards the credit or just 98% of the cost? Thanks!

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Fri, 11/11/2011 - 15:52

G, the following instructions from the LEED Online form for the 2009 version of this credit should answer your questions, I think:"In lieu of exact distances, estimated distances may be used. If estimated distances are used, upload the manufacturer's letter stating that the material/
product was manufactured and/or extracted/recovered/harvested within 500 miles of the project site. For items that are regionally manufactured but only partially regionally extracted, split the material/product into two rows. Determine the cost for each row using the percentage by weight of each regional criterion."

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