AgdaPkt 2018-03-26 Joint SA PFA - Laserfiche WebLink

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Redwood City Sanitary Sewer Master Plan Table of Contents FINAL August 2008 iv List of Figures Figure 1-1 Redwood City Area...................................................................................................1-2 Figure 1-2 County Sewer Maintenance Districts Discharging to Redwood City ........................1-3 Figure 1-3 Existing Sewer System.............................................................................................1-5 Figure 2-1 Redwood City Population, Estimated Historical and Projected Future.....................2-2 Figure 2-2 Existing Land Use.....................................................................................................2-3 Figure 2-3 General Plan Land Uses ..........................................................................................2-5 Figure 2-4 Downtown Precise Plan Area...................................................................................2-6 Figure 2-5 Anticipated New Development Locations in the Precise Plan Area (from City Downtown Precise Plan figure)..........................................................................................2-7 Figure 2-6 Existing Population Density by Sewershed ............................................................2-10 Figure 2-7 Future Population Density, by Sewershed .............................................................2-12 Figure 3-1 Modeled System Main Area of City ..........................................................................3-4 Figure 3-2 Modeled System Redwood Shores and Seaport/Pacific Shores..............................3-5 Figure 3-3 Surveyed Manholes..................................................................................................3-7 Figure 4-1 Wastewater Flow Components.................................................................................4-1 Figure 4-2 Residential Diurnal Profiles ......................................................................................4-3 Figure 4-3 Non-Residential Diurnal Profile ................................................................................4-4 Figure 4-4 Fair Oaks Diurnal Profiles.........................................................................................4-4 Figure 4-5 RDI/I Hydrograph Components ................................................................................4-5 Figure 4-6 Areas Used for RDI/I Analysis..................................................................................4-6 Figure 4-7 Flow Monitoring Sites 2004/2005 .............................................................................4-9 Figure 4-8 Flow Monitoring Sites 2005/2006 ...........................................................................4-10 Figure 4-9 Flow Monitoring Sites 2006/2007 ...........................................................................4-11 Figure 4-10 Flow Meter Schematic..........................................................................................4-12 Figure 4-11 Comparison of Largest Rainfall Event to City’s 5-Year Storm..............................4-13 Figure 4-12 Example DWF Calibration Plot for Residential Area, Meter A01..........................4-15 Figure 4-13 Example DWF Calibration Plot for Non-Residential Area, Meter C09..................4-15 Figure 4-14 Example WWF Calibration Plot, Meter A01..........................................................4-17 Figure 5-1 Five-Year Design Rainfall Event...............................................................................5-1 Figure 5-2 Existing DWF Model Results....................................................................................5-3 Figure 5-3 Future DWF Model Results ......................................................................................5-4 Figure 5-4 Existing WWF Model Results...................................................................................5-5 Figure 5-5 Future WWF Model Results .....................................................................................5-6 Figure 6-1 Capacity Projects......................................................................................................6-2 Figure 7-1 Areas Used for RDI/I Analysis..................................................................................7-1 Figure 7-2 Simulated Wet Weather Peaking Factors at Flow Meters, based on Design Storm.7-2 Figure 7-3 Peak RDI/I per Acre based on Simulated Design Storm..........................................7-3 Figure 7-4 Peak RDI/I per in-mile of pipe based on Simulated Design Storm...........................7-4 6.2.A. - Page 214