How can I model a clean room project where there is a lot of non process load in the HVAC. Can I assume HVAC as process load since it is not just for human comfort and is also for having the proper air changes per hour.
I have heard that CI v.2009 now requires documented two project experience in energy modeling, is that correct??
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Paul Conrad
Energy EngineerCLEAResult Consulting
346 thumbs up
July 30, 2010 - 9:42 am
Xavi,
Modeling projects involving clean rooms can get ugly in a hurry. My advice would be to model two separate HVAC systems in the proposed design. One that solely serves the requirements of the clean room and the other serving the rest of the space, both of which use actual design values. I'd then put the exact same clean room system in the baseline design and claim no margin. The 2nd HVAC system serving the rest of the building, I'd make equal to the requirements for your building baseline according to ASHRAE 90.1-2007 Appendix G.
I don't have my Reference guide with me today, so I'm not sure on the two documented project rule as far as CI is concerned. I know it's true for NC.
javier bolanos zeledon
243 thumbs up
July 30, 2010 - 12:25 pm
Thanks a lot, it makes sense.
How do you document your energy modeling experience. I've been doing this for 10 years but outside US, and haven't done anyone for LEED yet, so I'm a little bit confused on how to demonstrate experience.
Paul Conrad
Energy EngineerCLEAResult Consulting
346 thumbs up
July 30, 2010 - 12:28 pm
Don't quote me on this Xavi, but I believe it's just a narrative detailing your experience. I'll try and see if I can find out more of what's required.