Glossary
OPR
Plain-Language Definition
Owner's Project Requirements. A document that defines the functional, performance, and maintenance requirements for a building, used as the basis for commissioning.
Technical Context
The OPR is a key reference document in the ASHRAE commissioning process and LEED certification.
Why It Matters
Without a clear OPR, there is no baseline to verify whether building systems are performing as intended.
Related Terms
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