"For the Enhanced Commissioning credit, an independent consultant is required to be the CxA." Can that same person be the energy modeler, if the building is under 10,000 sq. ft.?
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11477 thumbs up
February 11, 2010 - 5:23 pm
For EAp1, the CxA can be a design team member if the building is less than 50,000 SF, but for EAc3 that exception does not apply -- the CxA must be "independent of the work of design and construction," in the words of the credit language.
Could you argue that the energy modeler is independent of the work of design and construction? Not sure. Other thoughts?
Rob Watson
CEOECON Group
170 thumbs up
February 17, 2011 - 1:23 pm
Seems like we could get into a tautology pretty quickly if the ECxA actually gives their opinion on design strategies...
Scott Bowman
LEED FellowIntegrated Design + Energy Advisors, LLC
LEEDuser Expert
519 thumbs up
February 17, 2011 - 2:08 pm
Cool, I had to look up that word to even reply. I would have to agree, that if energy modeling is done early, it is a partner in the design process to come to the right systems for the building; all systems including envelope, lighting, and HVAC.
To get the true value out of the Enhanced Cx, they should be contributing a new voice to the dialogue of the design team.
Michelle Halle Stern
PrincipalThe Green Facilitator
136 thumbs up
February 17, 2011 - 2:14 pm
We've finished the design review on a project that did just that. Hopefully we won't run into trouble on the construction phase review. The energy modeler/conceptual engineer was also the CxA. The MEP was then Design/Build.
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11477 thumbs up
February 17, 2011 - 2:18 pm
I don't think this is a big concern. See the discussion thread just above (later than) this one, also started by Kath, and with several replies.
Rob Watson
CEOECON Group
170 thumbs up
February 17, 2011 - 2:54 pm
My bad, Tristan, I somehow got the comment timeline turned around...
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11477 thumbs up
February 17, 2011 - 2:57 pm
Not your fault... we just inverted the forum last week so that new comments are first. Thanks for participating.