City of Morgan Hill Sewer System Master Plan 2017

City of Morgan Hill Sewer System Master Plan

TABLE OF CONTENTS

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FIGURES Figure ES.1 Planning Area ................................................................................................. ES-3 Figure ES.2 Existing Sanitary Sewer Collection System ..................................................... ES-5 Figure ES.3 Proposed Improvements .................................................................................. ES-12 Figure 1.1 Regional Location Map.................................................................................... 1-2 Figure 2.1 Planning Area.................................................................................................. 2-2 Figure 2.2 Existing Land Use ........................................................................................... 2-3 Figure 2.3 General Plan Land Use ................................................................................... 2-6 Figure 3.1 Hydraulic Model Diurnals................................................................................. 3-10 Figure 3.2 Hydraulic Model Diurnals................................................................................. 3-11 Figure 3.3 Hydraulic Model Diurnals................................................................................. 3-12 Figure 3.4 Infiltration and Inflow Sources.......................................................................... 3-13 Figure 3.5 Flow Meter Locations ...................................................................................... 3-15 Figure 3.6 10-Year 24-Hour Storm (Design vs. 2014 Storms) .......................................... 3-19 Figure 4.1 Existing Sewer Collection System ................................................................... 4-2 Figure 4.2 Existing Sewer Collection System Basins........................................................ 4-3 Figure 4.3 Existing Modeled Trunk System ...................................................................... 4-4 Figure 4.4 Sewer Basin and Trunk Connectivity ............................................................... 4-5 Figure 4.5 Existing Lift Stations ........................................................................................ 4-9 Figure 5.1 WWTP 2012 City Flow .................................................................................... 5-2 Figure 6.1 Modeled Sewer System................................................................................... 6-3 Figure 6.2 Flow Meter Locations ...................................................................................... 6-6 Figure 6.3 Site 4 Calibration – Barrett Avenue and Railroad Avenue................................ 6-10 Figure 6.4 Site 10 Calibration – California Avenue and Monterey Road ........................... 6-11 Figure 7.1 Existing System Analysis for PDWF ................................................................ 7-2 Figure 7.2 Existing System Analysis for PWWF ............................................................... 7-3 Figure 7.3 Schedule of Improvements .............................................................................. 7-5 Figure 7.4 Joint Trunk Improvements ............................................................................... 7-9 Figure 7.5 CCTV Extent Sewer System............................................................................ 7-10 Figure 7.6 Major Structural Defects Sewer System .......................................................... 7-12 Figure 7.7 Major Infiltration Defects Sewer System .......................................................... 7-13 Figure 7.8 Infiltration and Inflow Improvements ................................................................ 7-14 Figure 8.1 Capital Improvement Program......................................................................... 8-5

August 2017

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City of Morgan Hill Sewer System Master Plan