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State of the Regional Water System Report

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State of the Regional Water System Report San Francisco Public Utilities Commission 2018 State of the Regional Water System Report State of the Regional Water System September 2018 San Francisco Public Utilities Commission September 2018 1 San Francisco Public Utilities Commission 2018 State of the Regional Water System Report List of Contributors: Manouchehr Boozarpour Mary Ellen Carroll Jason Chen John Chester Eric Choi Jonathan Chow Fonda Davidis Andrew DeGraca Alexis Dufour Anna Fedman Stacie Feng Ed Forner Josh Gale Nancy Hom Margaret Hannaford Annie Li Nicholas Martin Adam Mazurkiewicz Chris Nelson Tim Ramirez Scott Riley Brian Rolley Ken Salmon Enio Sebastiani Eddy So Shailen Talati Dan Wade James West Mike Williams Derrick Wong San Francisco Public Utilities Commission September 2018 2 San Francisco Public Utilities Commission 2018 State of the Regional Water System Report Table of Contents 1. Overview........................................................................................................................................... 13 1.1 Purpose of this Report ............................................................................................................... 13 1.2 Value Added Under Water System Improvement Program ...................................................... 14 1.3 Continuing to Invest .................................................................................................................. 15 1.4 Recent Notable Events .............................................................................................................. 16 1.5 Emerging Issues ......................................................................................................................... 17 1.5.1 Dam Safety ............................................................................................................................ 17 1.5.2 Water Quality ........................................................................................................................ 18 1.5.3 Wildfire .................................................................................................................................. 19 1.6 Organization of this Report ....................................................................................................... 20 2. Description of System Assets ....................................................................................................... 21 2.1 General Description of Regional Water System ........................................................................ 21 2.1.1 Raker Act and Water Bank .................................................................................................... 25 2.1.2 Operational Organization ...................................................................................................... 26 2.2 Description of Facilities ............................................................................................................. 27 2.2.1 Water Supply and Storage Facilities ...................................................................................... 27 2.2.2 Water Transmission .............................................................................................................. 33 2.2.3 Water Treatment Facilities .................................................................................................... 46 2.2.4 Building and Grounds ............................................................................................................ 49 2.2.5 Watershed and Right-of-Way Lands ..................................................................................... 50 2.2.6 Communication Systems ....................................................................................................... 51 2.2.7 Rolling Stock and Equipment ................................................................................................ 52 3. Asset Management Program Overview ...................................................................................... 53 3.1 Performance Objectives ............................................................................................................ 53 3.1.1 Levels of Service for the Regional Water System .................................................................. 55 3.1.2 Asset Management Objectives ............................................................................................. 56 3.2 Asset Inventory .......................................................................................................................... 59 3.2.1 CMMS (MAXIMO) .................................................................................................................. 59 3.2.2 Geographic Information System ........................................................................................... 60 3.2.3 Fixed-Asset Accounting System ............................................................................................ 60 3.3 Condition Assessments .............................................................................................................. 61 3.3.1 Facility Assessment Program ................................................................................................. 62 3.3.2 Linear Asset Program ............................................................................................................ 63 3.3.3 Dam Assessment Program .................................................................................................... 65 3.4 Planning ..................................................................................................................................... 68 San Francisco Public Utilities Commission September 2018 3 San Francisco Public Utilities Commission 2018 State of the Regional Water System Report 3.4.1 Develop and Review Maintenance Programs ....................................................................... 68 3.4.2 Compile Performance and Failure Reports ........................................................................... 70 3.4.3 Complete Master Plans ......................................................................................................... 71 3.5 Budgeting ................................................................................................................................... 73 3.6 Implementation ......................................................................................................................... 74 3.6.1 Types of Maintenance Performed ........................................................................................ 74 3.6.2 Work Order Prioritization ...................................................................................................... 75 3.6.3 Capital Project Completion and Closeout Reporting ............................................................ 77 3.7 Ongoing Program Implementation ............................................................................................ 78 4. FY17 and FY18 Maintenance Programs and Upcoming Projects ............................................ 79 4.1 Water Supply and Storage ......................................................................................................... 80 4.1.1 Dam Monitoring Program ..................................................................................................... 81 4.1.2 Planning Studies and Improvement Planning ....................................................................... 83 4.2 Transmission .............................................................................................................................. 90 4.2.1 Pipeline and Tunnel Repairs .................................................................................................. 91 4.2.2 Pipeline and Tunnel Inspections ........................................................................................... 94 4.2.3 Valve Exercise Program ......................................................................................................... 98 4.2.4 Corrosion Monitoring/Maintenance Program (FY18) ......................................................... 100 4.2.5 Cross-Connection Mitigation for Transmission Pipeline Appurtenances ........................... 105 4.2.6 Meter Improvement Program ............................................................................................. 109 4.2.7 Pump Stations ..................................................................................................................... 113 4.2.8 Penstocks and Powerhouses ............................................................................................... 116 4.3 Water Treatment ..................................................................................................................... 117 4.3.1 Maintenance at Operating Facilities ................................................................................... 118 4.3.2 Nitrification Management Program .................................................................................... 120 4.4 Buildings and Grounds ............................................................................................................. 121 4.4.1 HHWP .................................................................................................................................. 121 4.4.2 WSTD ................................................................................................................................... 122 4.5 Watersheds and Right-of-Way Lands .....................................................................................
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