Davidovich & Associates, a multi-discipline integrated engineering firm, is fully certified to provide commissioning services for all types of occupancies. The expectations and requirements of the building appropriate to its phase shall be documented before the design phase of the project begins. This documentation, known as the owner’s project requirement (OPR), shall include environmental and sustainability goals, energy efficiency goals, indoor environmental quality requirements, project program, including facility functions and hours of operation, and need for after-hours operation, equipment and systems expectations, building occupant and operation and maintenance (O&M) personnel expectations, as well as Basic of Design and Commissioning plan.