Plumbing Commissioning Scope Of Work

Unfortunately I am going to have to say “maybe”. Reading the v4 guide does not give much more definition, saying under systems that must be commissioned: “Plumbing, including domestic hot water systems, pumps, and controls”. There is no mention of what is not included. Traditionally, I have focused on those systems that can be commissioned and that consume more energy if there is something not programmed or installed correctly. Everything related to domestic hot water is for sure. Pressure boosters are worthy of testing as well. While I have not considered the sewage ejectors or sump pumps to be under LEED scope, we have traditionally tested high water alarms that are often tied into the DDC system, and making sure that floats or sensors are in correct positions to operate pumps in the correct order. In my opinion, and that is all it is, everything with DHW, pressure boosters, rainwater capture, sensor faucets = YES. Sewage ejectors, sump pumps = NO, but good to do.

Hi Scott! Would water treatment plants be included? Thanks!

If the water treatment plant (either water coming in or going out) is part of the building systems, then I would think yes, they should be included. Typically these kinds of systems have significant requirements for testing and reporting for performance and code issues, so good collaboration with the AHJ would be important so tasks are completed correctly.

Thank you Scott!