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NC-v4 EQc1:Enhanced indoor air quality strategies

Cafeteria with patio seating

In a cafeteria situation where indoor seating bleeds into patio seating with operable windows and person doors between, I assume we still need a walkoff system? It might need to be the entire space... Has anyone addressed this with a retail/restaurant space? 

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Profile picture for user Susan Di Giulio
Susan Di Giulio
Senior Project Manager
Zinner Consultants
LEEDuser Basic Member
110 thumbs up

Mon, 04/27/2020 - 21:27

SImilar situations have kept us from attempting Option 1 on numerous projects. One for example, is a university library with a patio running the length of the main reading room, and there was not an opportunity to run a 10" wide mat or grill the entire length of the room. We would appreciate a read on this too!  

Tue, 11/01/2022 - 15:52

Susan, Margaret, how did thses situations end up working out? I have a similar question on a current project. 
Profile picture for user Dave.Hubka_2
Dave Hubka
Practice Leader - Sustainability
EUA
LEEDuser Expert
510 thumbs up

Tue, 11/01/2022 - 16:53

i had a similar project and GBCI required walk-off mats. it was an indoor/outdoor seating area of a cafeteria. we tried to explain that we could exempt this "entire openable wall from the entryway system requirements" but GBCI did not allow us to exclude it. 
Profile picture for user emily.purcell
Emily Purcell
Sustainable Design Lead
CannonDesign
LEEDuser Expert
379 thumbs up

Tue, 11/01/2022 - 17:19

We have used walk-off systems between this type of area and the rest of the building, where there was a single point of entry between them. Other projects with big operable walls, it's just been impractical.  Frustrating when a green building strategy (easy access to outdoors) clashes with another one! If anyone has a good solution to dealing with outside dirt & debris in those spaces (even if not LEED walkoff mat compliant) I would love to hear it. 

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