Renovation of a water / sewer project in Chelsea, Massachusetts. Working plans call for the renovation of a water / sewer project.

No bids received. **General Bid Deadline 3/16/23 Time 10:00 A.M. Sub Bid Category Fire Protection Sprinkler System, Electrical Contractor Qualification DCAMM Certificate Required for DCAMM contracts over $150,000, Highway Division contracts over $50,000. The scope of work includes the construction of a new pre-action fire sprinkler system to be installed within the City's Admirals Hill Pump Station as shown on the drawings and as specified herein. The new pre-action fire sprinkler system is to replace the existing CO2 fire extinguishing system located on the first floor of the station and the existing dry sprinkler system located within the attic space of the station. The new system will include a new 6-inch single interlock electronically actuated pre-action valve with integral check valve, new 6-inch double check valve assembly, new 4-inch Fire Department connection with bypass, new nitrogen generator, new smoke/heat detectors, new sprinkler piping and heads, new addressable fire alarm control panel, new conduit and wiring, connection to the station's existing interior 8-inch flanged sprinkler supply riser and all appurtenant work. The work also includes demolition and removal of the existing CO2 fire extinguishing system that serves the station's pump room and generator room, demolition and removal of the dry sprinkler system that serves the station's attic space, the relocation of an electrical unit heater and the reconnection of the station's domestic cold-water service. Estimated construction cost: $165,000.00