The Department of the Interior Interior Business Center awarded a purchase order to Industrial Marine Engineering Services LLC for $21,202.91 on September 17, 2026, to repair concrete spalling at the Stewart Lee Udall Building in Washington, DC under a total small business set-aside. The scope includes 14 flush and non-elevated floor-drain perimeter concrete repairs, 20 elevated floor-drain concrete apron and perimeter repairs, and 840 linear feet of garage-floor crack and spall repairs. Patching materials must meet 4,000–5,000 psi compressive strength and comply with American Concrete Institute and ASTM International standards. All work must be performed 8:00 p.m. to 6:00 a.m. on weekdays or weekends, with a minimum one-year warranty and completion required within six months of award. Work is at 1849 C Street, NW, Washington, DC 20240, with ultimate completion by March 16, 2027.