on the basis of his inspection, (a) stating that the work, 1, or designated portion thereof, is substantially complete and ready for occupancy for its intended use; (b) establishing the date of substantial completion; (c) defining the interim responsibilities of the owner and the contractor for the provision of heat, maintenance, and security, and for possible damage and insurance; and (d) fixing the time within which the contractor shall complete the items on the inspection list (see punch list).