[Bldg-sim] Appendix G Zoning

[David Reddy]

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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