65B - PROPOSED WATER AND SEWER RATE ADJ

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City of Santa Ana, CA SEWER RATE STUDY Figure B- 18: Map of Sewer Mains Color -Coded by QMR Grades ....... ............................... 89 Figure B- 19: Percent of Mains with High Raw QSR Grades by Pipe Install Year....................................................................................................... ............................... 90 Figure B- 20: Percentage of Sewer System Pipelines by Cohort Group .......................... 92 Figure B- 21: Map of Sewer Mains Color -Coded by Cohort Rank ....... ............................... 93 Figure B- 22: Map of Sewers that have not had CCTV Inspections .... ............................... 95 Figure B- 23: Distribution of Sewer Pipeline PoF Scores ....................... ............................... 97 Figure B- 24: Map of Sewer Mains Color -Coded by Total PoF Score . ............................... 98 Figure B- 25: Sewer System Pipelines CoF Scores by Diameter .......... ............................... 99 Figure B- 26: Pipeline Length by Number of Upstream Customer Laterals ................100 Figure B- 27: Distribution of Sewer Pipeline CoF Scores ........................ ............................101 Figure B- 28: Map of Sewer Mains Color -Coded by CoF Scores ........... ............................102 Figure B- 29: Distribution of Sewer Pipeline BRE Scores ....................... ............................103 Figure B- 30: Sewer System BRE Heat Map Graphic by Miles of Main ..........................104 Figure B- 31: Map of Sewer Mains Color -Coded by BRE Scores ........... ............................105 Figure C- 1: BRE Scores and Costs for Sewer Collections System ....... ............................108 Figure C- 2: BRE Heat Map Graphic by Main Replacement Cost (2012 dollars) .......109 Figure C- 3: BRE Heat Map Graphic by Cost and R &R Strategy Groups ........................114 Figure C- 4: Sewer System Map of R &R Strategy Groups ........................ ............................116 Figure C- 5: Annual Inspection and Replacement Budget Graph ......... ............................118 Figure C- 6: Sewer System Map Showing Suggested Inspection Projects ....................119 Figure C- 7: Map of CIP Replacement Projects for Groups A and B .... ............................121 Figure D - 1: Sewer System BRE Heat Map Graphic by Miles of City -Owned SewerMains ........................................................ ............................... ............................124 Figure D - 2: BRE Scores and costs for City -Owned Sewer Collection System (2012 dollars) ..................................................... ............................... ............................125 Figure D - 3: BRE Heat Map Graphic by City -Owned Main Replacement Cost (2012 dollars).. ................................................................................................... .......... 126 Figure D - 4: BRE Heat Map Graphic by Cost and R &R Strategy Groups for City -Owned Mains... ............................................... - ................................................... 128 BLACK & VEATCH I Table of Contents 65B -166 Vii