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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

Performance Period Question

On this same note, what do you all think about this situation: we have all our OA measurement done for each AHU and all are complying except 1 because the TAB contractor thought it was acceptable to have the OA be +/- 10% of the OA rates we gave him from our VRP calculations. So, he under ventilated one of the AHUs by about 20 cfms. We finally got the contractor to come back and adjust the AHU and increase the cfms to reach the minimum. He came back this month (October) and all our other PP ended on Aug 31st. Does this mean we now need to extend all our other PP to Sept. 31 so that they call end within 30 days of each other? Or do you think the reviewers will accept having the one AHU measured in October? It has been nearly impossible for us to collect data from the building tenants so going back and asking for Sept. data will be very difficult. Thank so much for any thoughts on this :)

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Mon, 10/21/2013 - 15:56

If anyone can provide some feedback on this, I'd greatly appreciate it! Thanks :)
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Ben Stanley
Senior Sustainability Manager
WSP - Built Ecology
LEEDuser Expert
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Mon, 10/21/2013 - 21:27

Hi Nena, I think that there's a good chance that the review team will allow the testing for the one AHU to have fallen out of the performance period window if you explain the situation. I've seen projects where the reviewers allowed the project team to make corrections to the AHUs after the preliminary review to bring them into compliance. Given that, I think your best bet is to hold off changing the performance period for all of the other credits until after the preliminary review and only if GBCI requires it.

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