We have a non-enclosed above ground garage space on the first few floors of a multi-family building which is naturally ventilated. Would a non-enclosed garage still require exhaust fans to meet the requirements of this credit?

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Dylan Connelly

Mechanical Engineer

Integral Group

LEEDuser Expert

342 thumbs up

Wed, 05/16/2012 - 02:09

Debatable, are there any regularly occupied spaces adjacent to the garage spaces? E.g. Lobbies, tenant spaces. Also, check your local code and ASHRAE to ensure you meet the natural ventilation requirements based on free area of the perimeter walls.

AshLee Eustace

Sales and Marketing Executive Assistant

Sustainable Solutions Corporation

LEEDuser Basic Member

33 thumbs up

Wed, 05/16/2012 - 12:22

There are residential units adjacent to the garage. The project started out with garage exhaust fans in place sufficient to meet the 0.5 cfm/sf, however they found out that they did not require this to meet local code so they removed some of the fans.

Dylan Connelly

Mechanical Engineer

Integral Group

LEEDuser Expert

342 thumbs up

Wed, 05/16/2012 - 15:19

In this case you probably don't comply. You could submit under Alternative Compliance by stating that you are meeting local ventilation codes. However, you aren't keeping the differential pressure requirements and it is unlikely that the tenant spaces have self closing doors.

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