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What if after our Preliminary Review we have to re-work the ventilation rate procedure calculations and find that we need to make corrections to the system in order to meet the prerequisite? Can we redo the outside air testing after making corrections? Wo

What if our systems do not meet the required outside air when systems are tested at worst-case conditions?

Our building has a single fan that supplies outside air to multiple AHU’s. Do we need to perform outside air testing at the supply fan or at all AHUs?

We have a VAV system where single AHUs serve multiple zones. Do we need to take outside air measurements at each VAV box?

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EBOM-2009 IEQp1:Minimum IAQ Performance

Naturally Ventilated Corridors

Matthew Macko

Principal

Environmental Building Strategies

LEEDuser Basic Member

51 thumbs up

November 30, 2011

Do corridors need to have access to operable windows within 25 feet?

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Dylan Connelly

Mechanical Engineer

Integral Group

LEEDuser Expert

342 thumbs up

Fri, 12/02/2011 - 19:56

With regards to Natural Ventilation in 62.1, ASHRAE defines occupied floor area as "an enclosed space intended for human activities, the term occupiable space excludes those spaces intended for other purposes, such as storage rooms and equipment rooms that are occupied only upon occasion and for brief periods of time." I'd say that because corridors are not specifically excluded it would be safe to have operable windows within 25 feet.

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