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NC-2009 EAc3:Enhanced Commissioning

Commissioning of plumbing fixtures when no hot water

The review comments of the basic Commissioning of our project says the following " it appears that all systems included within the LEED-NC project scope of work have not been included. For example, the documentation within PIf4: Schedule and Overview Documents indicates that the project scope of work includes lavatories. All applicable fixtures/systems installed as part of the LEED-NC project scope of work must be included in the commissioning process. " We have no hot water in the building. Water in lavatories is cold water. Is is necessary to commissioning all fixtures in the lavatories even when they have only cold water? Or are the reviewers making the wrong assumption that we have hot water and would it be sufficient to supply that we did not commissioin the fixtures because there is no hot water involved. Could anyone advice or clarily? Thanks

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Profile picture for user janchangwei
Jan Wei
Director of Commissioning & Critical System
Edwards & Zuck
LEEDuser Basic Member
29 thumbs up

Fri, 08/17/2012 - 13:40

LEED requires the energy-related systems to be commissioned, and the system related to plumbing is the domestic hot water system only, i,e. HW heater, HW circulating pumps, etc. Personally, I do believe the lavatory fixtures such as, flushometer should be part of the requirement as the defected senors do affect the overall building energy usage. But under current LEED requirement there is no language that mandates plumbing fixtures to be commissioned. I would get a clarification from the reviewer.

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