[BLDG-SIM] EA Cr 1 campuses

[kathryn l]

We are modeling a group of six buildings for a university which will be
served by the current campus CUP's steam and chilled water loops.  These
buildings will all be submitted for  LEED certification as one project.  Does
anyone know if we can model the baseline from ASHRAE 90.1-2004 Appendix G
for *each* building according to its individual square footage, or if we
have to choose the baseline system based off of the *total* square footage
for the entire group of buildings?  For our project this would mean the
difference between 90.1's System 5 (DX cooling) and System 7 (chilled
water).

I found this little excerpt from the LEED Application Guide for multiple
buildings and campuses, but feel it doesn't really directly tackle the
question of choosing the baseline system but could potentially be
interpretted to mean that each building is considered separately during the
modeling process and therefor would have a baseline system based off of its
own square footage:



*EA Credit 1: Optimize Energy Performance *

*Application Guidance *

*Requirements *

This credit applies to each building within the project scope. To receive a
single rating for a group of buildings, use a weighted average for the group
of buildings based on their conditioned square footage, or aggregate the
data into one PRM calculation, so that performance is achieved by buildings
of varying sizes within a certifying group. Each building must still meet EA
Prerequisite 1 and may receive its own rating if that is desired.



 Any experience with this?  Any guidance would be greatly appreciated.
Thanks!
Kathryn


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