Black Construction/MACE International JV, Harmon, Guam (N40084-21-D-0079); ECC Diego Garcia LLC, Burlingame, California (N40084-21-D-0080); JSK Diego Services LLC, Austin, Texas (N40084-21-D-0081); MVL-Bromgrove JV LLC, Lansing, Michigan (N40084-21-D-0082); and Parsons Colas UKP JV, Centreville, Virginia (N40084-21-D-0083), are being awarded a combined $249,000,000 indefinite-delivery indefinite-quantity, multiple award, design-build/design-bid-build construction contract for construction projects at U.S. Navy Support Facility (NSF), Diego Garcia. The work to be performed may include, but is not limited to, office renovation, building demolition, built-in equipment repair/replacement, piping repair/replacement, pipe lagging, electrical work, mechanical work, road pavement, fencing, roofing, painting, site work, removal and disposal of lead based paint and asbestos containing material, welding and masonry. Black Construction/MACE International JV is being awarded an initial task order at $4,023,160. The remaining four contractors are each being awarded a $100,000 task order to satisfy the guaranteed minimum. Work for this task order is expected to be completed by September 2022. All work on this contract will be performed in Diego Garcia, British Indian Ocean Territory. The term of the contract is not to exceed 60 months, with an expected completion date of September 2026. Fiscal 2021 operation and maintenance (Navy) (O&M,N); and Navy working capital funds (WCF) in the amount of $4,423,160 are obligated on this award and will expire at the end of the current fiscal year. Future task orders will be primarily funded by O&M,N and Navy WCF. This contract was competitively procured via Federal Business Opportunities website with five proposals received. These five contractors may compete for task orders under the terms and conditions of the awarded contract. The Naval Facilities Engineering Systems Command, Far East, Yokosuka, Japan, is the contracting activity.