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Allow time for documentation
Documenting this credit can take time, since cost and exact percentages of post- and pre-consumer materials must be collected for each recycled item used.
LEED requires the base materials budget to be consistent across all MR credits. The LEED Online credit forms help provide consistency across MR credits by applying the same data to multiple credits. Materials used to earn this credit cannot also be counted for MRc3: Materials Reuse, nor for MRc6: Certified WoodWood from a source that has been determined, through a certification process, to meet stated ecological and other criteria. There are numerous forest certification programs in general use...
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5 Comments
Aggregating data
One LEED site boundary has two individual LEED projects that are under construction under one contract by the same GC. Would it be acceptable to aggregate the data for MRc4 and MRc5 documentation for the two LEED projects? Both projects are registered under CS 2.0
Project Costs
Hello, I have a question about construction costs to calculate the recycled content value of my LEED project. The project scope involves both an office building, which we are LEED certifying, and a parking garage, which will not be certified but will be used to calculate credits like Heat Island-Nonroof. Do the costs associated with the work in the parking garage count toward the total amount of the construction costs, or can those be excluded?
Sara, is the parking garage within the LEED boundary? It sounds like it is, and it sounds like it will be part of the LEED-certified project. I would include it in materials costs.
Reinforcing steel
Upon my request the reinforcing steel manufacturer submitted the following information:
"All of our products are produced to 100% from recycled scrap. Additionally you have to take into account personal wages and row materials like alloys, gas, oxygen and electricity. We estimate the value part of recycled material (scrap) is 50% of total value."
Later I found out that the value of the recycled part is 48% and the alloys is 2% while additional costs (wages,gas,oxygen,electricity) are 50% of the total value.
How can I calculate the recycled content according to the these?
You calculate this based on the cost value of what you are paying for. If you're paying $100 for steel, and it's 100% recycled content, you can count $100 toward this credit. You don't need to get into the manufacturer's costs at all. Just your costs, and the % recycled content.
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