We have designed project that was built recently under local code compliance that refers to Ashrae 62.1-2007, however the project was registered for LEEDv2 a while ago, therefore we designed based on 2007 but according to the comments from USGBC we need to comply with the more strict 2004 version of Ashrae 62.1. Is there a CIR that would allow compliance by meeting local ordinances?

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Andrew Mitchell, P.E.

Principal

Mitchell Gulledge Engineering, Inc.

LEEDuser Expert

97 thumbs up

Fri, 06/06/2014 - 15:52

Catalina, you are allowed to use local ordinances but only if they are more stringent than the ASHRAE standard cited in the requirements. What is the specific requirement that's more strict in the 2004 standard?

Saju Varghese

SUSTAINABILITY COORDINATOR

JALRW Eng. Group Inc.

LEEDuser Basic Member

24 thumbs up

Tue, 07/15/2014 - 22:18

residential units are required to provide more outside air (per room) while ashrae 62.-2007 requires a general ventilation for the complete dwelling unit. The difference is only like 10 cfm for us but we have 72 units

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