The overall responsibility of the Commissioning Authority during any and all phases of a commissioning project is to coordinate and direct the commissioning activities in a logical, sequential, and efficient manner. This is done using consistent protocols and forms, centralized documentation, clear and regular communications, and consultations with all involved parties. Commissioning is a systematic process of ensuring that all building systems and equipment installed as part of new construction or renovation perform interactively according to the design intent and the owner’s operational needs. The design documentation provides a narrative description of the system or issue, as well as clear and useful background information. Design documentation explains how design and operating objectives will be accomplished. Design documentation includes information from the conceptual design phase and from the design and construction processes, necessary to guide the design, verify compliance during construction, and aid building operations. The basis of design provides the primary ideas and assumptions behind design decisions that were made to meet the design intent. The basis of design describes the systems, components, conditions, and methods chosen to meet the design intent. It explains how certain systems and space arrangements were chosen by the design team to meet the needs of the Owner.