[Bldg-sim] Appendix G Zoning
David Reddy
davidr at madisonengineeringps.com
Wed Jun 17 18:27:10 PDT 2009
USGBC also has provided some guidance on the appropriate baseline system for
large laboratories via a few CIRs. Specifically LEED-NC CIR rulings dated
on:
2/27/2007
&
8/13/2007
David Reddy
Madison Engineering, PS
444 NE Ravenna Blvd, Suite 406
Seattle, WA 98115
office: 206-834-0002
direct: 206-829-8622
From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Vikram Sami
Sent: Wednesday, June 17, 2009 2:23 PM
To: Bldg-Sim
Subject: [Bldg-sim] Appendix G Zoning
Exceptions to G3.1.1:
(c) If the baseline HVAC system type is 5, 6, 7, or 8, use separate
single-zone systems conforming with the requirements
of System 3 or System 4 (depending on building
heat source) for any zones having special pressurization
relationships, cross-contamination requirements, or code required
minimum circulation rates.
I'm modeling a building that has baseline system 7. If I read this correctly
then all lab spaces will have their own system and that system will conform
to system 3 from table g3.1.1A. Is that correct? If so - are all of my lab
spaces going to be packaged single zone units? That doesn't seem right -
especially since lab spaces are more than 50% of the building area in this
case.
I'd appreciate anyone's help with this.
Thanks
Vikram Sami, LEED AP
Direct Phone 404-253-1466 | Direct Fax 404-253-1366
LORD, AECK & SARGENT ARCHITECTURE
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