[BLDG-SIM] LEED and evap chillers

[Mitchell Dec]

For my project, I was using LEED 2.1 guidelines. However, because of the changes to LEED from 2.1 to 2.2 you may need to submit a 2.2 CIR giving reference to the 2.1 CIR as part of your rationale.
 
 


-----Original Message-----
From: Farhan Khatri [mailto:FKhatri at arnoldandosheridan.com]
Sent: Wednesday, July 12, 2006 9:17 AM
To: Mitchell Dec; BLDG-SIM at gard.com
Subject: RE: [BLDG-SIM] LEED and evap chillers


Mitch/Wade and Team,

Is it also true for LEED 2.2 (PRM method app. G 90.1 2004)
I cannot find a reference to 150 Ton exception in LEED 2.2 manual. 

Searched for CIRs on LEED 2.2 regarding the 150 Ton allowance but there
were none. However, did find the CIR on LEED 2.1 regarding the 150 Ton
allowance for 'air-cooled'. It is also mentioned under LEED 2.1 EMP
(energy modeling protocol). 

So how does it apply to LEED 2.2 or it doesn't.

Thanks,
Farhan Khatri, P.E. LEED AP.
Arnold & O'Sheridan, Inc.


-----Original Message-----
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of Mitchell
Dec
Sent: Wednesday, July 05, 2006 12:38 PM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] LEED and evap chillers

Wade,

I had a similar question submitted to the USGBC and it was deemed a
water-cooled system. However, if the capacity is less than 150 tons,
there was a CIR allowing the use of an air-cooled systems.


 
Mitchell J. Dec
Energy Analyst 
 <http://www.glumac.com/> 
  _____  

320 SW Washington, Suite 200
Portland, OR 97204-2640
T.  503.227.5280  F. 503.274.7674
Direct: 503.345.6283

Thinking. Inside the building.
http://www.glumac.com/ 


-----Original Message-----
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com]On Behalf Of
wmclaughlin
Sent: Wednesday, July 05, 2006 10:11 AM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] LEED and evap chillers


This may have been covered in a previous thread, but I'm away from my
email archive at the moment.

Regarding LEED modeling with respect to the ASHRAE ECB/DEC method: Does
anyone have a sense of whether an evaporatively-cooled chiller is
considered air- or water-cooled?   It makes a considerable difference to
the modeling of the ECB (base case), and thus to the evaluated savings.

Thanks,

Wade McLaughlin
Demand Management Institute

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