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FAQs about IEQp1 :

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

IAQ Procedure as ASHRAE 62.1 Compliance Path

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Laura Case
Senior Project Manager
Southface
LEEDuser Basic Member
3 thumbs up

ASHRAE specifies that the Ventilation Rate Procedure or the IAQ Procedure can be used to ensure that mechanical ventilation systems meet ventilation requirements in ASHRAE 62.1 (Section 6.1). The intent of the Minimum Indoor Air Quality Performance prerequisite is to meet ASHRAE 62.1. However, LEED specifies that the prescriptive Ventilation Rate Procedure must be used to show prerequisite compliance. Is the performance-based IAQ Precedure considered an acceptable compliance path to meet IEQ Prerequisite 1?

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

Wed, 08/24/2011 - 11:53

If you are utilizing an alternative compliance path check the appropriat box under the ADDITIONAL DETAILS heading. Project using this approach will be reviewed on a case-by-case basis.

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