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Capacity and I/I Assessment <br />City of Redwood City (0011239.02)3-14 Woodard & Curran, Inc. <br />Sanitary Sewer Capacity Master Plan November 2023 <br />Flow Meter <br />Area1 <br />ABWF <br />(mgd) <br />ADWF2 <br />(mgd) <br />Contrib. <br />Area <br />(acres) <br />Peak <br />RDI/I3 <br />(mgd) <br />PWWF3 <br />(mgd) <br />Peak RDI/I <br />rate <br />(gpd/acre) <br />Wet <br />Weather <br />Peaking <br />Factor4 <br />FM295 0.37 0.46 117 1.05 1.76 9,000 4.7 <br />FM30 0.13 0.15 105 0.81 1.04 7,700 8.3 <br />RWC01 0.17 0.19 284 1.30 1.60 4,600 9.2 <br />RWC02 0.02 0.03 31 0.22 0.26 6,900 14.5 <br />RWC03 0.03 0.03 36 0.41 0.46 11,400 13.9 <br />RWC045 0.12 0.12 88 0.44 0.65 5,000 5.5 <br />Unmetered 0.22 0.22 155 1.40 1.77 9,000 7.9 <br />Total 3.70 4.34 3,448 29.3 36.0 8,500 9.7 <br />1.Flow meter basins represent incremental areas for meters with other meters upstream. <br />2.ADWF includes ABWF plus wet season GWI. <br />3.Sum of the design storm peak flow contributions from the individual subcatchments (parcels) within each flow <br />meter basin or incremental basin without consideration for hydraulic flow attenuation in the system. This is not <br />necessarily the peak flow that would be observed in any given pipe but the mathematical sum of the <br />subcatchment flows. The subcatchment PWWF is the sum of the peak RDI/I and the dry weather flow at the <br />time of the peak RDI/I. <br />4.Ratio of sum of subcatchment PWWF to sum of subcatchment ABWF for all subcatchments in the flow meter <br />area. <br />5.Incremental meter area. <br />ATTY/RESO.0077/CC RESO SEWER SYSTEM MANAGEMENT PLAN - EXHIBIT A <br />REV: 07-14-25 LF <br /> <br />Page 149 of 317