[Bldg-sim] Warehouse

Jorge Torres-Coto jorge at mbo1.com
Fri Jun 11 09:53:41 PDT 2010

90.1- in the User's Manual does specify that for spaces that are not conditioned (as warehouses fall into this) your baseline shall have no heating and cooling


Page G21 of the User's Manual specifically reads in reference to Table F3.1-10 the following


"This requirement only applies to conditioned spaces in the building.  Semiheated spaces would only have a heating system; unconditioned spaces would have neither heating nor cooling systems."


Jorge E. Torres Coto   

4830 Viewridge Ave.

San Diego, CA 92123

p              858.751.0933

f              858.751.0937

c              858.688.6088


From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Varkie C Thomas
Sent: Friday, June 11, 2010 8:53 AM
To: James Hansen
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] Warehouse


The warehouse I am looking at is a rectangular building, just under 1.5 million sf and with a ceiling height of 41 ft.  Maximum occupancy is 50 people mostly in 12,000 sf of administrative offices with 10 ft ceiling. Why maintain the entire mass of air occupying the space volume in the warehouse at 75 deg F in summer and 70 deg F in winter?  Can the proposed warehouse model use just ventilation and save energy.  The percent energy savings for LEED certification is enormous.  Mechanical floors are heated (to prevent pipe freezing) and ventilated.  Underground parking is ventilated.  Does ASHRAE Std90 for commercial buildings include industrial buildings (steel plants)?  The definition only mentions area and number floors.  I might have got it wrong.  I have only worked on commercial that house people.


----- Original Message -----

From: James Hansen <JHANSEN at ghtltd.com> 

Date: Thursday, June 10, 2010 7:02 pm 

Subject: RE: [Bldg-sim] Warehouse 

> I�ve modeled a few self storage facilities before, and also had 
> this question.  As far as I could tell, System 7 really was the 
> right system for my baseline building, and my condensing furnaces 
> with split system AC units actually had less energy consumption 
> than the chilled water / boiler system.  Go figure�  
> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim- 
> bounces at lists.onebuilding.org] On Behalf Of Varkie C Thomas 
> Sent: Thursday, June 10, 2010 6:41 PM 
> To: Varkie C Thomas 
> Cc: 'bldg-sim at lists.onebuilding.org' 
> Subject: Re: [Bldg-sim] Warehouse 
> Since I got no replies, it was must have been a dumb question.  I 
> assume Std90 systems and plant are for the baseline only and for 
> the proposed you can use something else.  A proposed packaged VAVS 
> with furnace heating and DX cooling produced nearly the same 
> kbtu/sqft/yr (0.1 difference) as the baseline of chilled water and 
> hot water. 
> The information contained in this communication is confidential, 
> may be privileged, and is intended only for the use of the 
> addressee.  It is the property of GHT Limited.  Unauthorized use, 
> disclosure or copying of this communication or any part thereof is 
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> Thank you. 

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