I am currently working with vendors trying to get information showing compliance with MRc2. According option 2. Furniture., products are considered sustainable if they contain a certain percentage of recycled material or rapidely renewable material...Is this by total product or by specific material. For instance, for a chair seating is a composite product. For the portion of the product that has foam, are you looking for the percentage of all foam used in the product that is rapidly renewable, or the percentage of foam that is rapidly renewable in relationship to the accumulated amount of materilas in the entire product? The question can also be applied to FSC certified wood and recycled plastic. If only a portion of the product is wood, are you looking for the total percentage of wood that is FSC certified or overall product?
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Jenny Carney
Vice PresidentWSP
LEEDuser Expert
657 thumbs up
October 6, 2009 - 6:45 pm
Good question, and the calculations get a little sticky when only components of a product comply. The LEED for Operations & Maintenance Reference Guide does not address this as directly as LEED for New Construction Reference Guide, which states that the recycled content (or rapidly renewable, regional, etc.) value of a material assembly is determined by weight. The recycled fraction of the assembly is then multiplied by the cost of the assembly to determine the recycled content value of the entire product.
For example, if a $10 product weights 10 pounds, 5 pounds each of plastic and wood, and the plastic portion contains 50% post-consumer recycled content, the overall recycled content value is $2.50 (the recycled fraction is 50% of 50% = 25%, multiplied by $10 = $2.50).
Nelina Loiselle
Above Green239 thumbs up
June 13, 2011 - 4:49 pm
Yes, but is this the case for EBOM? The credit does not seem to suggest this as it does in LEED NC.