[Equest-users] LEED Residential Buildings -pressure dropadjustments-

[Jeremy McClanathan]

I had a similar scenario with patient rooms in a hospital recently.  I submitted the same question to GBCI, and the response was that I have to use 0.3 W/cfm per CIR dated 8/13/2007

___________________________________________

Jeremy McClanathan, LEED® AP
CDi ENGINEERS
4200 194th St SW, Ste 200, Lynnwood, WA 98036
P 425-672-1071 | F 425-778-8769
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From: Dennis La Touche [mailto:latouche at termoaire.com]
Sent: Friday, July 30, 2010 9:11 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] LEED Residential Buildings -pressure drop adjustments-

I have a question, for hotel buildings the baseline HVAC system type to be used should be PTAC/PTHP (ductless).

This proposed building will be composed by a chilled water system with air handling units and fan coils, all of them fully ducted return.

Is it possible to use the fan power limitation pressure drop adjustment indicated in ASHRAE 90.1 for increasing the baseline fan power?

The question is because in G3.1.2.9 it seems that it is only allowed for systems 3 through 8.

Thanks.


Dennis





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