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FAQs about MRc4 :

Is the default average recycled content value of 25% for steel still allowed?

Can site materials, such as soil, be included in the MR credit calculations?

Are there recycled content claims that I should be wary of?

Can I count FSC-certified MDF toward both MRc4 and MRc7?

If I have one cut sheet that meets the LEED 2009 requirement to upload 20% of cut sheets by cost, for this credit, is that acceptable?

I have recycled content information for a product, but it doesn’t specify whether it is pre-consumer or post-consumer. What should I do?

The recycled content percentage on the product data sheet is given as a range. What should I do?

The manufacturer can't give me product-specific recycled content data, but they say that they fall within the national industry average. Can I use that?

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NC-2009 MRc4:Recycled Content

MRc4 - Recycle Content of Reinforcement Steel

How can we use the reinforcement steel towards this credit? Generally, suppliers do not have any information. Can we count 50% straightaway? Thanks

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Wed, 09/03/2014 - 13:16

KC - If your suppliers are unable or unwilling to provide information on the recycled content of any steel product, you can use the default recycled content value. As noted in the LEED Reference Guide, "For steel products where no recycled content information is available, assume the recycled content to be 25% postconsumer." See also the FAQ above "Is the default average recycled content value of 25% for steel still allowed?." You would take 100% of the cost of the reinforcement steel times the 25% to get its recycled content value. Note that many steel products have a higher percentage of recycled content than the default but if you can't get that value, at least you have a fallback.

Wed, 09/03/2014 - 14:15

Thanks Michelle, That was really helpful.

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