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<br />CSO 019 Throttle Capacity <br />Improvement <br />Increase throttle pipe capacity to maximize diversion to <br />South Shore Interconnect Sewer (650 lf of 24" diameter <br />sewer) <br />05/2030 12/2035 <br />River Crossing 2-3 Interconnect <br />Sewer <br />36" diameter interconnecting sewer (reduced from 66") <br />between CSO 14 and River Crossing #2 serving as both <br />conveyance and storage. <br />07/2030 12/2035 <br />Interceptor Replacement 24" diameter replacement for existing interceptor from <br />CSO 020 to CSO 019 (1,800 lf) <br />10/2030 12/2035 <br />New River Crossing 48" diameter wet weather river crossing (500 lf) to direct <br />excess flow from south side of river to Memorial Park <br />RTB. <br />01/2031 12/2035 <br />Sluice Gate at CSO 18 Regulator <br />Structure <br />Actively controlled modulating sluice gate operated to <br />make effective use of storage in Basin 018 trunk sewer <br />04/2031 12/2035 <br />Interceptor Control Upstream of <br />River Crossing #2 <br />Actively controlled interceptor isolation gate to regulate <br />flow downstream and detain excess in Memorial Park RTB <br />07/2031 12/2035 <br />Brownfield Storage Tank Below grade retention treatment basin and pumping <br />station with RTC gate and provisions for screening, <br />disinfection/dechlorination of overflow. Minimum size of <br />2.0 million gallons. <br />01/2036 12/2038 <br />South Shore Interconnect Sewer 84" diameter interconnecting sewer from Michigan Street <br />LS to downstream end of River Crossing #5. Collects <br />overflow from CSO Basins 006, 007, 008, 010, 011 and <br />allows River Crossing #4 and the Michigan Street LS to be <br />abandoned. <br />01/2036 12/2038 <br />Regulator/Throttle <br />Improvements Downstream of <br />East Race <br />Modifications to regulators/throttles at CSOs 003, 004, <br />006, 007, 025, 026, 027, 028 <br />01/2036 12/2038 <br />CSO Basin 010 GSI Improvements Sewer Separation, Green Alley Improvements, Rain Barrel <br />Program. Green stormwater infrastructure improvements <br />within Basin 010 will provide for the capture of at least <br />14,500 gallons for stormwater per rainfall event. <br />01/2036 12/2038 <br />CSO 010 Throttle Capacity <br />Improvement <br />Increase throttle pipe capacity to maximize diversion to <br />South Shore Interconnect Sewer (550 lf of 36" diameter <br />sewer, 775 lf of 27" diameter sewer), Construct new <br />diversion structure at Michigan Street and Bartlett Street <br />05/2036 12/2038