Purchase of Swing Check Valves

Gwinnett County Board of Commissioners, Department of Water Resources is requesting sealed bids for two 30-inch swing check valves designed for wastewater service, with bids due June 27, 2023 at 2:50 p.m. at the Gwinnett County Financial Services - Purchasing Division, 75 Langley Drive, Lawrenceville, Georgia.

Approved valve manufacturers are limited to Milliken CCNE, DeZurik APCO, or approved equal substitutes; requests for equivalents must be submitted at least 21 calendar days prior to the bid deadline. The valves must feature hinged disc type construction with cast or ductile iron bodies and bronze or bronze-fitted discs rated for 150 psi, dual outside weight and lever cushioned designs with adjustable closing speeds via three-stage oil cushioning, and a 1/2-inch stop cock for air bleeding.

Delivery is to F. Wayne Hill Water Resources Center, 1500 One Water Way, Buford, Georgia 30519. Pricing is on a per-unit basis with F.O.B. Destination, Freight Prepaid and Allowed terms. The contract includes a two-year manufacturer's warranty for the valves and at least one year of manufacturer warranty coverage. Bids must be submitted in duplicate with one electronic copy on a flash drive and must include catalog cut sheets, product data, shop drawings, installation and maintenance instructions, manufacturer's certificates, hydrostatic test results, and references from at least three similar projects. All bids require submission of a Code of Ethics Affidavit and acknowledgment of all applicable addenda. Award will be made to the lowest responsive and responsible bidder. Public opening and reading occurs at 3:00 p.m. on June 27, 2023. No bid bond is required. Worker verification applies for contracts exceeding $2,499.99 under state law.