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NC-2009 IEQc5:Indoor Chemical and Pollutant Source Control

Roof deck entry mats?

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Erica Downs
LEED Consultant
The Green Engineer
LEEDuser Basic Member
188 thumbs up

There have been a lot of earlier threads on this, but they are old and there does not seem to a definitive answer provided yet. Has anyone had success in arguing for no entry mats at roof deck doors? Seems silly, if these areas have hard surfaces, there is no public access, and can only be accessed from inside the building. Thanks!

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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Sat, 08/26/2017 - 20:39

If they are not "regularly used," and they sound like they aren't, then I wouldn't provide them. A roof deck that is an amenity for the building would be a different story.
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Erica Downs
LEED Consultant
The Green Engineer
LEEDuser Basic Member
188 thumbs up

Sun, 08/27/2017 - 02:43

Hi Tristan - thanks for the response. These are indeed an amenity for the residents.
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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Mon, 08/28/2017 - 01:40

Then I would give them the entryway mat. They are regularly used. And rooftops get dirty... from the air!
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Erica Downs
LEED Consultant
The Green Engineer
LEEDuser Basic Member
188 thumbs up

Mon, 08/28/2017 - 02:51

Ok, thanks for the input.
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Erin Holdenried
Sustainable Design Director
Bell Architects
LEEDuser Premium Member
40 thumbs up

Tue, 05/15/2018 - 17:46

Has there been a published LEED Interpretation for this issue?
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Erica Downs
LEED Consultant
The Green Engineer
LEEDuser Basic Member
188 thumbs up

Tue, 05/15/2018 - 18:03

Not that I know of.  We ended up providing roll-out mats inside the roof deck doors. 
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Dave Hubka
Practice Leader - Sustainability
EUA
LEEDuser Expert
510 thumbs up

Wed, 05/16/2018 - 13:04

The v4 reference guide defines 'regularly used exterior entrances' as 'a frequently used means of gaining access to a building. examples include ... any building entryway ... attached to outside spaces.' Per the definition, GBCI is allowed to enforce the installation of entryway systems at roof decks/patios. I understand this a v3 forum question, but on a past v3 project the GBCI required us to locate entryway systems at all roof deck and patio entrances to the building. I was unable able to claim them as non-regularly used entrances, or that the outdoor space was always clean, or that they were not entrances for visitors. 

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