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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

Natural Ventilation in a Warehouse

How can a large Warehouse that uses natural ventilation system, but does not meet the requirements of ASHRAE 62.1-2007 section 5.1 be able to pass under the LEED EBOM IEQp1? Is it possible to use simulation as an alternative for proving ventilation levels compliance?

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Marina Andrade
Sustainability Consultancy Services
Cushman & Wakefield
LEEDuser Basic Member
11 thumbs up

Fri, 09/05/2014 - 10:59

Hi Diego, you can prove through the sizing calculation of natural ventilation warehouse system. In a warehouse the idea is to remove heat through the chimney effect. Take a look at the ASHRAE 62.1 User Manual, which talks about Enginnered Ventilation System. Regards
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Julia Weatherby
President
Weatherby Design & Co. Engineers
LEEDuser Basic Member
67 thumbs up

Fri, 09/05/2014 - 12:08

Diego- You could use any of the natural ventilation analysis techniques discussed under the EBOM IEQ credit 1.3 Increased Ventilation to document adequate ventilation, even if you are not going for the Increased Ventilation credit. Refer to the IEQ Credit 1.3 section of the EBOM 2009 reference guide or to that credit on LEED User.

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