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NC-2009 EAc3:Enhanced Commissioning

The same CxA overseeing EAc3 tasks must ALSO oversee EAp1?

Footnote #4 on page 221 of the LEED-NC v2009 Reference Guide expressly notes that "The same CxA overseeing the enhanced commissioning tasks must also oversee the fundamental commissioning tasks." To be dumb-simple clear--does this mean that we can NOT have TWO CxA on a project--one for EAp1 and another for EAc3? Thanks very much!

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Chris Ladner
Partner
Viridian
LEEDuser Basic Member
154 thumbs up

Fri, 02/17/2012 - 15:56

The key words here are "lead and oversee". You can have two different companies as long as one of them has full responsibility for the whole commissioning process and is leading and overseeing the Cx activities. You cannot have two firms that are operating independently from each other. The enhanced CxA must lead and oversee the process.
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Peter Dishno
Commissioning Engineer
LEEDuser Basic Member
15 thumbs up

Fri, 02/17/2012 - 16:50

I did a project where I was working for an MEP Contractor that was involved with the installation and start-up of the mechanical systems. It was a small enough building that I was able to be the commissioning authority on the project for fundamental commissioning. The owner accepted our contract but decided to do enhanced commissioning during the design process. We were able to acheive this credit by having another firm do the design reviews on the project and do a review of all work that we performed during fundamental commissioning. (i.e., I became more of a commissioning engineer, while the other firm became the commissioning authority.) The project ended up receiving both Fundamental and Enhanced Commissioning.

Fri, 02/17/2012 - 16:53

Thanks to both Chris and Peter for your input. We are pressed for time and your timely responses have already helped us in our planning.

Mon, 09/17/2012 - 19:24

Thanks for bringing up this issue Brooks! Can anyone post an example of 'rejection' language when they had 2 different CxAs on the project? We have a project that is using 2 CxAs and the owner does not want to change this. We're preparing contractural language now and I'd like to have all my ducks in a row.

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