Posted on July 6, 2020 SUPPLY AND DELIVERY OF AIR RELEASE VALVES, GATE VALVES AND BUTTERFLY VALVES REQUIREMENTS OF THE SMWD FOR CY 2020 SUPPLY AND DELIVERY OF CAST IRON (CI) AND DUCTILE IRON (DI) FITTINGS REQUIREMENTS OF THE SMWD FOR CY 2020 SUPPLY AND DELIVERY OF HDPE AND PLASTIC FITTINGS REQUIREMENTS OF THE SMWD FOR CY 2020.