ISI-Markon JV LLC, Fairfax, Virginia, is awarded a firm-fixed-price, indefinite-delivery/indefinite-quantity contract (HQ003424D0006) valued at $21,000,000 to provide construction management technical services in support of the Washington Headquarters Services (WHS), Facilities Services Directorate (FSD). Fiscal 2023 Pentagon Reservation Maintenance Revolving Funds in the amount of $7,699,505 are being obligated at the time of award. The total, if all options are exercised, is $105,000,000. The contractor will provide facility planning, program and project execution, project oversight, building and utility operations, design, and construction management support services to assist the WHS FSD in the accomplishment of its missions. In addition, capabilities will include program management support for identifying requirements, scheduling, estimating, and planning for construction, alterations, and repair projects. The work will be performed at the Pentagon Reservation, Arlington, Virginia; the Mark Center, Alexandria, Virginia; and Raven Rock Mountain Complex. The estimated contract completion date is March 11, 2029. Washington Headquarters Services, Arlington, Virginia, is the contracting activity.