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CS-2009 MRc2:Construction Waste Management

Rebar - Offsite Scrap Recycling

Profile picture for user rmeza_2
Roberto Meza
Sustainable Building Consultant
SPHERA Sustainable Building Consultants
LEEDuser Basic Member
43 thumbs up

Hello, We have an interesting situation at a large project, Rebar is being bought from a company which at the same time offers to bend it into the various figures needed for columns etc. This reduces the projects on-site personnel and assures quality pieces. They use the rebars the project buys and then separate the waste which is produced from the rebar, scraps, then sell the waste (small rebar pieces) to a local recycling company. This revenue is given back to the project as it was generated from its rebar scraps. Would the project be able to take into account this recycling even though it is not done on site? This scrap would be generated on-site if the company was not paid to bend the rebar, so technically it is the project which generates it. Any thoughts will be appreciated. Thanks,

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472 thumbs up

Mon, 02/17/2014 - 17:26

Roberto - While this idea is well-intentioned and beneficial, I personally would not contribute it MRc2 calculations because the waste is not generated on-site. However, you could consider including the material that is sold as diverted waste and including it in your overall C&D waste calculations - as long as you explain the situation to your review team and outline it in your CWM Plan. I cannot say whether they have encountered something like this that would allow them to sanction it. I would suggest reviewing the LEED Interpretations for MRc2 to see if there is any precedence there. (I looked quickly and did not see anything that would help but please look further.) Please note that if this project were pursuing LEED v4, this strategy might be able to be considered under Option 2 Reduction of Total Waste Material under MR Credit Construction and Demolition Waste Management - as it deals with source reduction.

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