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NC-2009 IEQc5:Indoor Chemical and Pollutant Source Control

Residential Requirements

Hi all, I am working on a graduate housing project that is all residential, and some apartments have doors directly to the outdoors. What are the walk-off mat alternate requirements in this case? We will provide walk-off mats to all other entries/corridors and it is only a few apartments that will need to meet an alternate compliance path. My other question is can walk-off mats be an L-shape, such as leading in to a doorway on the right? We are looking into this because part of the corridor is exposed, so we need to push back the walk-off mat. It might not be 10' long unless we can use this L-shape option. Thank you.

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Mon, 04/18/2016 - 21:26

I'm not aware of an alternate compliance path unless you think you can justify LEED Homes criteria below. As for the L-shape, that should be acceptable IF you have 10' along the path of travel including cutting the corner if that is likely. 8.2 Indoor contaminant control (1 point each, maximum 2 points). Select from the following measures: a. Design and install permanent walk-off mats at each entry that are at least 4 feet in length and allow accessibility for cleaning (e.g., grating with catch basin). b. Design a shoe removal and storage space near the primary entryway, separated from living areas. This space may not have wall-to-wall carpeting, and it must be large enough to accommodate a bench and at least two pairs of shoes per bedroom. c. Install a central vacuum system with exhaust to the outdoors. Ensure that the exhaust is not near any ventilation air intake.

Wed, 04/20/2016 - 15:01

Thanks, Michelle. We were also looking into the LEED for Homes requirement. I asked this question to LEED Coach also and apparently individual residences are not considered high traffic areas so we would not have to include walk-off mats!

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