Description
The City of Atlanta, Department of Watershed Management, is seeking bids for the procurement of fire hydrant assemblies, repair parts, and gate valves. The contract requires the supplier to provide Mueller Super Centurion 250 A-423 fire hydrant assemblies, as well as resilient wedge gate valves and valve box assemblies. The supplier must also provide certification that all valves meet the specified requirements and that all required tests have been performed with passing results.
• The fire hydrant assemblies must have a working pressure of 250 psi and must be designed to open "right" (clockwise) with approximately 17 ¼ turns.
• The gate valves must be resilient seated type, with a minimum working pressure of 250 psi and a working temperature range of 33° to 170°F.
• The valve box assemblies must be gray cast iron two-piece screw type with drop lids, and must meet the requirements of ASTM A-48 and AASHTO M-306.
• The supplier must certify that all valve box assemblies and assembly components meet the specified requirements, and that all required tests have been performed with passing results.