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City of Morgan Hill
Sewer System Master Plan
TABLE OF CONTENTS
PAGE NO.
August 2017
iv
City of Morgan Hill
Sewer System Master Plan
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