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River Islands Development at Lathrop November 2020 <br /> Final Phase 2 Sewer Technical Report Rev 1 #6520 <br /> 7.2.4 Sewer Pump Station A2 (PS-A2) <br /> The sewer pump station PS-A2 (previously referred to as the Site C Sewer Lift Station) was designed by <br /> PACE and is currently under construction. The lift station is located in stage 1 B along J7 Street. Flow from <br /> all of River Islands will be conveyed to sewer lift station A2 through a 42-inch line located underneath J7 <br /> Street. A total of six 110 HP submersible pumps will be installed each with a pumping capacity of 2,000 <br /> GPM at a TDH of 119 feet. The station's six pumps were designed to operate as 4 duty, and 2 standby <br /> pumps providing a firm pumping capacity of 8,000 GPM at full build out conditions. <br /> 12" FORCEMAIN <br /> 18" FORCEMATN LATHROF <br /> RECLAMATION <br /> ' FACILITY <br /> 11 11 <br /> FI I! 1I I <br /> I <br /> SEWER WET CENTER SEWER LVET <br /> WELL WEST INFLUENT WELL EAST <br /> ISOLATION SLUICE GATE - DISTRIBUTION (THUMPS FUTURE) <br /> CHANNEL <br /> CITY SEWER (PUMPS FUTURE) <br /> COLLECTION <br /> Figure 7-6: Collection Area Sewer Lift Station Al Site Plan View <br /> Table 7-5: Sewer Lift Station Al — Firm Pumping Capacity at Full Buildout <br /> Pumping Capacity Motor Rated <br /> Pump Number (GPM) @ 119' TDH Horsepower Motor Drive Status <br /> Sewage Pump#1 2,000 110 Variable Duty <br /> Frequency Drive <br /> Sewage Pump#2 2,000 110 Variable Duty <br /> Frequency Drive <br /> Sewage Pump#3 2,000 110 Variable Duty <br /> Frequency Drive <br /> Sewage Pump#4 2,000 110 Variable Duty <br /> Frequency Drive <br /> Sewage Pump#5 2,000 110 Variable Standby <br /> Frequency Drive <br /> Sewage Pump#6 2,000 110 Variable Standby <br /> Frequency Drive <br /> Total Firm Pumping Capacity 8,000 <br /> 35 <br />