Structural Preservation Systems LLC, Columbia, Maryland, was awarded a $22,522,854 firm-fixed-price contract for Washington Aqueduct repair and cleaning. Bids were solicited via the web with four received. Work will be performed in Washington, D.C., with an estimated completion date of Oct. 2, 2024. Fiscal 2010 Washington Aqueduct Capital Improvement funds in the amount of $22,522,854 were obligated at the time of award. U.S. Army Corps of Engineers, Baltimore, Maryland, is the contracting activity (W912DR-23-C-0010).