Commissioning

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If anyone has commissioned anything, it is very likely they have commissioned at least one VAV hot water reheat terminal unit.

I recently commissioned a project that involved replacing eighty 2-pipe, dual-temperature fan-coil units in a nearly 40-year-old high-rise condominium.

In many buildings, there are isolated spaces with a continuous cooling load even when the buildings are unoccupied.

This month, I am continuing my series on commissioning “simple” HVAC equipment with hydronic unit heaters.

This month, I begin a few columns about technical commissioning issues.

If someone is special enough to spend millions of dollars to have a building custom-designed and constructed for their use, it is un-derstandable that they would expect perfection.

Most people in the major design and construction business understand that commissioning is a process by which a building’s systems are verified to function properly prior to acceptance by the owner.

Full-scale commissioning always starts in the design phase and includes at least one design review cycle.

Commissioning professionals, myself included, have always advocated the delay of systems acceptance by and turnover to the owner until the commissioning process is complete. In this sense, “complete” means the systems pass their functional performance tests and the owner’s operations staff has been properly trained.