When administering O&M contracts: a. Ensure consistent application of the shared liability clause and seek approval from contracting officers prior to requesting additional services work orders; b. Follow contract terms and conditions for costs related to additional services performed, including the application of overhead on subcontract labor and reimbursement of contract labor for personnel to escort subcontractors; c. Enforce staffing requirements in O&M contracts and ensure consistent interpretation of prescriptive- and performance-based contract language; and d. Develop detailed QASPs and perform and track quality assurance and building inspections in accordance with PBS policy and contract terms and conditions.