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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?

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EBOM-2009 IEQp1:Minimum IAQ Performance

Use CO2 Measurement to meet Prereq Requirement

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Eric Tu
LEEDuser Basic Member
3 thumbs up

Hello; Out BAS does not measure air flow (CFM), but, it does measure Return Air and OA C02 values. Can this PreReq be met using CO2 measurement (demand ventilation) rather than CFM? If so, how can it be done? thanks

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David Hubka
Director of Operations
Transwestern Sustainability Services
LEEDuser Basic Member
355 thumbs up

Wed, 03/30/2011 - 17:51

The prereq requires an airflow measurement. CO2 sensing of RA and OA will not suffice. sorry :(

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