[Bldg-sim] warehouse ventilation design

[Martin Roy ing. LEED AP]

Look at the IAQ procedure in ASHRAE 62.1, Wused 
it in a LEED certified refrigerated warehouse, it 
did reduce by a large amount the outside air.




At 18:52 09/08/2013, Morgan Heater wrote:
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>
>Take a look at ASHRAE 62.2, it establishes 
>minimum ventilation rates for various occupancies.
>
>From: bldg-sim-bounces at lists.onebuilding.org 
>[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Ramana Koti
>Sent: Friday, August 09, 2013 1:49 PM
>To: Bldg-Sim
>Subject: [Bldg-sim] warehouse ventilation design
>
>Dear All,
>
>On a large warehouse (shipping & distribution 
>center) project, we're told by our consultant 
>that the 650,000 square feet warehouse component 
>is being designed to be ventilated (OA) at 0.06 
>cfm/sf. There are small portions with multiple 
>levels, total ventilation CFM ends up being 
>close to 60,000. (we're told by our consultant 
>that this is the code minimum). CO2 sensors are 
>being planned to bring the OA levels down, not 
>yet sure what the thresholds are.
>
>The office component that is a tenth in square 
>footage but roughly equal occupancy as the 
>warehouse, results in around 15,000 CFM ventilation.
>
>While we generally trust our consultant's 
>professional judgement, the design team is 
>concerned that the warehouse ventilation might 
>be over designed. Is anyone aware of workarounds 
>that meet code but effectively optimize the 
>ventilation/OA rates in such large warehouse settings?
>
>Thank you,
>Ramana Koti.
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----------

Martin Roy, ing. PA LEED®, président
Martin Roy et associés
1805 chemin Oka,
Deux-Montagnes, Qc
J7R 1N3


Tel: 450-623-0340
Cell. 514-594-6352

www.mra.qc.ca






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