Annacis Island Wastewater Treatment Plant Stage 5, Phase 2
Recent Bennett Construction Group Project
Construction of four (4) new Mixed Sludge (MS) Digester Feed (DF) Pumps, one for each of Digesters 5 through 8, including motors, variable frequency drives, and all ancillaries in the existing Sludge Heat Recovery Building
Construction of four (4) new Digested Sludge (DS) Pumps, one for each of Digesters 5 through 8, including motors, variable frequency drives, and all ancillaries in the existing Sludge Control Building 3
Construction of four (4) new Sludge (SLDG) Circulation Pumps, one for each of Digesters 5 through 8, including motors and all ancillaries in the existing Sludge Control Building 3
Construction of four (4) new spiral type Sludge Circulation Heat Exchangers (HEX), one for each of Digesters 5 through 8, in the existing Sludge Control Building 3
Construction of four (4) new Sludge Circulation Heat Exchanger HRS pumps, one for each of Digesters 5 through 8, including motors and all ancillaries in the existing Sludge Control Building 3
Construction of one new Digester Load Circulation (Circ) pump in Cogeneration Building Pump Room.
Construction of equipment pads for all pumps and heat exchangers that connect into existing floor slabs including seismic design for same
New Mixed Sludge (MS), Digested Sludge (DS), and Circulating Sludge (CS) piping connections to/from existing piping to new heat exchanger and pumping equipment including seismic design for same
New Heat Reservoir Supply (HRS) and Heat Reservoir Return (HRR) piping to/from the exiting HRS/HRR heat loop to new HRS pumps and heat exchangers including seismic design for same.