Schools 2009 EAp1: Fundamental Commissioning of Building Energy Systems

  • NC, Schools, CS EAc3 & EAp1 Enhanced Cx Diagram
  • Benefits of commissioning

    You may think of commissioning, including hiring a commissioning agent, as an added cost—and it is. It’s likely to reduce your operational costs, however, by yielding 5%–10% improvements in energy efficiency and ensuring that facilities personnel know how to operate key building systems. It’s also a great way to catch mistakes like missing or incorrectly installed equipment, avoiding occupant complaints and callbacks, indoor air quality and thermal comfort problems, premature equipment failure, and litigation.

    Commissioning (Cx1. Commissioning (Cx) is the process of verifying and documenting that a building and all of its systems and assemblies are planned,...

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4 Comments

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Joseph Celentano
Sep 09 2010
Member
41 Thumbs Up

CxA as employee of Owner

I'm wondering if anyone has had any experience uploading the contract betweeen Owner and CxAThe commissioning authority (CxA) is the individual designated to organize, lead, and review the completion of commissioning process activities. The CxA facilitates communication among the owner, designer, and contractor to ensure that complex systems are installed and function in accordance with the owner's project requirements. when the CxA is the employee of the Owner. If the CxA is to be a qualified employee of the Owner, should the "contract" uploaded simply be a letter stating that said employee will act as the CxA during the design and construction of the project?

Thanks.

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Tristan Roberts Editorial Director – LEEDuser, BuildingGreen, Inc. Sep 15 2010 Moderator

Yes, this should work. I would also note the CxAThe commissioning authority (CxA) is the individual designated to organize, lead, and review the completion of commissioning process activities. The CxA facilitates communication among the owner, designer, and contractor to ensure that complex systems are installed and function in accordance with the owner's project requirements.'s prior experience, per the credit requirement.

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Terry Squyres Principal GWWO Inc./Architects
Jul 21 2010
Member
242 Thumbs Up

Designating a CxA

Does the CxAThe commissioning authority (CxA) is the individual designated to organize, lead, and review the completion of commissioning process activities. The CxA facilitates communication among the owner, designer, and contractor to ensure that complex systems are installed and function in accordance with the owner's project requirements. have to be designated before 50% CDs in LEED for Schools 2.2 also?

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Tristan Roberts Editorial Director – LEEDuser, BuildingGreen, Inc. Jul 24 2010 Moderator

Elizabeth, for the prerequisite EAp1 the CxAThe commissioning authority (CxA) is the individual designated to organize, lead, and review the completion of commissioning process activities. The CxA facilitates communication among the owner, designer, and contractor to ensure that complex systems are installed and function in accordance with the owner's project requirements. does not have to be desingated before 50% CDs in either case. Perhaps you are thinking of EAc3? I assume both credits are basically the same in LEED for Schools v2 but you could check the credit requirements.

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