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Can the CxA authority be a member of the design or construction team?

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The comissioning process turned up a few issues with the commissioned systems that should be corrected. Do we have to correct these issues and include documentation of that as part of our LEED documentation?

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NC-2009 EAp1:Fundamental Commissioning of Building Energy Systems

CxA in international project

Recently one LEED AP said that to make appropriate comissioning CxA should be ASHRAE certified or should at least has working experience with ASHRAE for some time. It is not LEED requirement, BUT (as she said ) otherwise CxA would not be able to make comissioning and complete comissioning documents that will be approved by rewievers. What do you think about it? (Our project is located in Europe and we always make comissioning procedure according to local codes. Comissioning agent is hired by owner and is independent.)

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Fri, 03/18/2011 - 09:45

I wonder what is the requirments for content and format of documents? Are they so specific that local comissioning report isn't suitable?? or so specific that local CxA wouldn't be able to do that?
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Scott Bowman
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Integrated Design + Energy Advisors, LLC
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Fri, 03/18/2011 - 20:42

At this point, USGBC only requires demonstrating experiance commissioning two projects; no certifications are required. We show that by including resumes on the CxAuthority and any CxAgents we have working on the project. There are some standards of care in the industry, and ASHRAE is certainly one of those setting that standard. PECI and BCA are also setting some standards (with some example documents), but every provider usually has internal standards and proceedures, all which typically mirror the ASHRAE Guideline 0 process. We have seen quite a bit of variation on what is uploaded for approval, and I frankly do not feel that enough is required. Our firm does Cx and design, so we commission and we have been commissioned. We tend to over document probably, but feel that is a safer way to proceed, versus risking a question. You have to develop the information anyway, why not upload it?

Mon, 03/21/2011 - 21:15

Thank you! "You have to develop the information anyway, why not upload it?" - yes, of course. The only think I'm afraid - that Cx is the prerequisite, and mistakes may be fatal. for example, if we upload CxA report, and it won't go for LEED. It's very interesting to hear someone's international experience! Were there any problems on this issue?

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