[Bldg-sim] Heat Recovery Chillers and Lab Outdoor Air

[Shariq_Ali at URSCorp.com]

Sam,
We've been modeling many complex / unusual situations like yours. In some
models our efficiencies come out great (high 30%s). Of course after looking
for CIRs, just put together all your documentation, wrap it up and send it
to the USGBC (it seemed like you were describing a LEED project). You'll
have two reviews, a design review after which you can answer questions /
modify design, and then a construction review. Key is to describe any and
every question you think they can ask you about the design and be sure to
write narratives in a manner that a person that doesn't know the project
can understand.

Additionally there's a section in 90.1 section 2.5, "This standard shall
not be used to circumvent any safety, health, or environmental
requirements." and 62.1's section 2.1 "This standard applies to all indoor
or enclosed spaces that people may occupy, except where other applicable
standards and requirements dictate larger amounts of ventilation than this
standard..."
I believe the ventilation rates are to be kept the same in 90.1 for
breathing, building wash-out, and of course energy. I would think safety
would take precedence over these factors when your trying to compare apples
to apples.

What do you others think?

Regards,
Shariq

Shariq Ali EIT, LEED AP
Mechanical Engineer
URS Corporation
1375 Euclid Ave. Suite 600
Cleveland, OH 44115
Direct: 216.622.2276
Fax: 216.622.2428

                                                                              
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