65B - PROPOSED WATER AND SEWER RATE ADJ

Home Browse Search

City of Santa Ana, CA I WATER RATE STUDY Figure B - 16: Number of Breaks by Pipe Diameter and Material ........................................ .............................98 Figure B - 17: Map Showing the Distribution of Water Mains and Breaks based on Main Diameter.99 Figure B - 18: Number of Breaks per Mile of Pipe by Diameter and Material ............... ............................100 Figure B - 19: Number of Breaks per Year per 100 Miles of Installed Pipe .................... ............................101 Figure B - 20: Map Showing the Location of Breaks Color -Coded by Break Year Since 1990............102 Figure B - 21: Map Showing Water Mains by the Number of Breaks per Segment ..... ............................104 Figure B - 22: Several Maps Showing Selective Soil characteristics and Main Breaks by Main BRE Heat Map Graphic by Main Replacement Cost (2012 dollars) .......... ............................126 Material............................................................................................................................................ .............................10 6 Figure B - 23: Breaks per 100 miles per Year by Cohort Group ........... ............................... ............................108 Figure B - 24: Percentage of Water System Pipelines by Cohort Group .......................... ............................109 Map of Mains Color -Coded by Strategy Group ( A- Z) ....... ............................... ............................132 Figure B - 25: Map of Water Mains Color -coded by Cohort Rank ........ ............................... ............................110 Figure D - 1: Figure B - 26: Water Pipeline Historical Break Rate by Installation Decade ................. ............................111 137 Figure B - 27: Distribution of Water Pipeline PoF Scores ....................... ............................... ............................114 Map of City - Wwned Water Mains Color Coded by BRE Scores ................. ............................138 Figure B - 28: Map of Water Mains Color -coded by Total PoF Score . ............................... ............................115 Figure D - 3: Figure B - 29: Water System Pipelines CoF Scores by Diameter .......... ............................... ............................116 Figure B - 30: Distribution of Water Pipeline CoF Scores ....................... ............................... ............................118 Figure B - 31: Map of Water Mains Color -Coded by CoF Scores .......... ............................... ............................119 Figure B - 32: Distribution of Water Pipeline BRE Scores ...................... ............................... ............................120 Figure B - 33: Water System BRE Heat Map Graphic by Miles of Main ............................ ............................121 Figure B - 34: Map of Water Mains Color -Coded by BRE Scores .......... ............................... ............................122 Figure C - 1: BRE Scores and Costs for Water Distribution System .... ............................... ............................125 Figure C- 2: BRE Heat Map Graphic by Main Replacement Cost (2012 dollars) .......... ............................126 Figure C - 3: BRE Heat Map Graphic by Cost and R &R Strategy Groups .......................... ............................131 Figure C - 4: Map of Mains Color -Coded by Strategy Group ( A- Z) ....... ............................... ............................132 Figure D - 1: Water System BRE Heat Map Graphic by Miles of City -owned Water Mains... ............... 137 Figure D - 2: Map of City - Wwned Water Mains Color Coded by BRE Scores ................. ............................138 Figure D - 3: BRE Scores and Costs for City -Owned Water Distribution System ......... ............................139 Figure D - 4: BRE Heat Map Graphic by City -Owned Main Replacement Cost (2012 dollars) ...........140 Figure D - 5: BRE Heat Map Graphic by Cost and R &R Strategy Groups for City -owned Mains........ 143 Figure D - 6: Map of City -Owned Mains Color -Coded by Strategy Group (A- Z) ............ ............................144 BLACK & VEATCH ( Table of Contents 65B -12 vii