One of the most valuable deliverables from a design and construction project are the as-built drawings (often referred to interchangeably as record drawings). These will be referenced throughout the life of the building to help operations and maintenance staff, service contractors, renovation design teams, recommissioning professionals, and others understand the systems and discover where to find system components, many of which are typically concealed behind walls and above ceilings.
All of us who regularly work in existing buildings know the following: