This project involves repairing the concrete spill gate structure (Spill Gate 11 / Outfall 9) at Tinker Air Force Base, Oklahoma, to restore stormwater channel flow. The estimated budget for construction is between $1,000,000 and $5,000,000. Performance of services will occur at Tinker Air Force Base, Oklahoma. The period of performance is 270 calendar days from the notice to proceed. Note that funds are not currently available, and the government’s obligation is contingent upon future appropriation.