[Bldg-sim] Lab Baseline for EAc1 LEED 2.2

Matthew Dubrovich mdubrovich at emcengineers.com
Wed Nov 17 15:24:06 PST 2010


Hi Fred,
We have succeeded (submitted and awarded) in using all of 2007 App. G. for a few LEED 2.2 lab projects, including the part about the lab specific baseline VAV system.  There is a CIR for EAp2 that allows you to choose all of 2007 App. G. in lieu of 2004 App. G. if desired.
Matt Dubrovich
Energy Solutions Group

E M C Engineers, Inc.
Eaton's Electrical Services & Systems
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From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Fred Porter
Sent: Wednesday, November 17, 2010 3:18 PM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Lab Baseline for EAc1 LEED 2.2

All,
Has anyone been able to utilize (i.e. been submitted and accepted by GBCI) the specific lab baselines in the 2007 PRM instead of dividing systems into multiple single zone systems that are expected by using the "pressurization" exception c to Table G3.1.1. Or has anyone just used 2004 with addendum am (VAV minimum air = ventilation air) for lab areas and ignored the "pressurization" exception?

And if one must use the 2004 PRM baseline of multiple PSZs for a VAV lab system, and if some zones only have general exhaust, what exactly is the outside air and exhaust for each system? Would it be the minimum outside air or the design air (driven by the heat load), all of which happens to be outside air in the VAV system, but which would not need be 100% OA in an SZ system?

Thanks for any experience that you could bring to bear on this.

Fred Porter
AEC
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