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FAQs about EAc1.3 :

If pursuing Option 2, what is the scope of the energy model if the space shares a central plant, and what type of software should be used?

For Option 1, Zoning and Controls, is a thermostat considered an “active control capable of sensing space demand"?

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CI-2009 EAc1.3:Optimize Energy Performance—HVAC

Prescriptive Approach

Hi, We are working for a CI project where the developer has provided a centralized HVAC system. We are following a prescriptive path for the HVAC compliance under EA Cr 1.3. In the LEED form we need to mention the pumps and fan details which should have variable frequency drive under criteria 3.10. I wanted to know if these details will be only limited to the tenant space or we need to also list down the pump details of the common centralized system. Thanks in advance.

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Mon, 11/03/2014 - 14:01

In general I believe that the only equipment covered is that within the tenant scope of work.
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Michael Smithing
Director - Green Building Advisory
Colliers International Ltd.
LEEDuser Basic Member
201 thumbs up

Tue, 11/04/2014 - 01:24

The 5 credits for zoning can be achieved based on the system installed within the tenant scope of works. The 5 points for system efficiency are awarded based on the Landlord base building system, even though it is beyond the "project boundary." There's a LEED Interpretation on this - check the database for the details.

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