Penn Manor Large Valve Vault Replacement

The Washington Suburban Sanitary Commission (WSSC) is seeking a qualified contractor to replace a 24‑inch large valve vault and approximately 101 ft of 24‑inch water main, relocate about 51 ft of 24‑inch water main, and move roughly 54 ft of water‑house connections on Penn Manor Lane in Bowie, Prince George’s County, MD. The work includes demolition of the existing vault, installation of a new precast concrete vault, new pipe installation, traffic control, erosion‑and‑sediment control, and associated testing and back‑fill. The contract will be awarded to the lowest responsive and responsible bidder, with a substantial‑completion schedule of 65 days after notice to proceed. Bidders must demonstrate extensive large‑diameter water‑main experience, safety records, and possess required certifications for traffic, erosion control, plumbing, and chlorination. All submissions are to be made electronically via WSSC’s e‑procurement portal by the November 16, 2026 deadline. • Replace existing 24‑in. valve vault with new precast concrete vault • Install ~101 ft of new 24‑in. ductile‑iron pipe and relocate ~51 ft of existing pipe • Relocate ~54 ft of water‑house connections and install new 1‑in. copper service lines • Provide traffic control, erosion‑and‑sediment control, and tree‑protection measures • Submit required qualifications, safety plan, insurance, bonds, and certifications • Substantial completion required within 65 days of Notice to Proceed