48 C.F.R. § 52.236-18
52.236-18 Work Oversight in Cost-Reimbursement Construction Contracts.
As prescribed in 36.518, insert the following clause in solicitations and contracts when cost-reimbursement construction contracts are contemplated:
The extent and character of the work to be done by the Contractor shall be subject to the general supervision, direction, control, and approval of the Contracting Officer.