[Bldg-sim] Appendix G additional system types

[Bishop, Bill]

I modeled a residence hall on a college campus using ASHRAE 90.1-2004
Appendix G System Type 1 - PTAC, with a system per zone. I received the
following comment from the LEED Reviewer:

"Section G3.1.1 states that additional system type(s) should be used for
the non-residential space types (including corridors, classrooms,
lounges, public living rooms, etc.). The notes at the end of Table
G3.1.1A identify which spaces are considered residential."

The referenced note states, "Residential space types include guest
rooms, living quarters, private living space, and sleeping quarters.
Other building and space types are considered nonresidential."

 

There is 4,000 ft2 of classroom and conference room space. If I include
corridors, common living rooms, lobby, mech/elec/data, stairwells,
storage, common bathrooms and laundry, I would exceed the 20,000 ft2
threshold condition of the G3.1.1 exception.

The example given in the User's Manuals as a qualifying exception is "a
residential tower with retail and restaurants at the base". 

 

Does anyone think this necessitates additional system types? (System 3
presumably, one per zone.)

 

Thanks,

Bill

 

 

 

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