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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

Case 1 - Grouping the space types

Hi, we are working for the project with multiple tenants. we could not collect all the floors HVAC layouts. but we have the AHU details. we are grouping all the spaces as a office space. In calculation, we will enter only one office space for each AHU. Is it right way?

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Profile picture for user Dave.Hubka_2
Dave Hubka
Practice Leader - Sustainability
EUA
LEEDuser Expert
510 thumbs up

Wed, 12/16/2015 - 16:08

Entering only "office" into the calculator most likely won't be accepted by the LEED reviewer. When we do not have tenant build out plans we physically walk the space and measure potentially critical zones to enter into the 62MZ.

Mon, 02/15/2016 - 18:43

Hi David , I Understood your answer , but I would like to know if I must carry out the mesuruments for each zone in order to prove que each zone outdoor air flow is right , or it is ok if the redbourn the total amount of outdoor air flow That Is entering in the room where the AHU is Placed ? Is this procedure right ? PS.: Just to be clear, all the air of my zones are supplied by one AHU. Thanks.
Profile picture for user Dave.Hubka_2
Dave Hubka
Practice Leader - Sustainability
EUA
LEEDuser Expert
510 thumbs up

Tue, 02/16/2016 - 17:09

Hello Hugo, I do not entirely understand you question but will do my best to answer. Project teams do not need to measure airflow at the zone level (e.g. airflow from supply diffusers serving the room) rather they need to measure the airflow at the system level (e.g. supply/return/outdoor air at the air handling unit). I hope this helps. Dave

Tue, 02/16/2016 - 18:34

Precisely David. It is exactly what I was looking for . Thanks very much .

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