Water Treatment and Supply Activity Management Plan
Total Page:16
File Type:pdf, Size:1020Kb
Executive Summary WATER TREATMENT AND SUPPLY ACTIVITY MANAGEMENT PLAN VERSION: 2021 – 4.0 For Audit Review Document Set ID: 10545235 Version: 2, Version Date: 20/01/2021 Revision Information Water Treatment & Supply Activity Management Plan 2021 Prepared by Waipa District Council 101 Bank Street Te Awamutu New Zealand www.waipadc.govt.nz Activity Plan Owner Name Role Martin Mould Manager – Water Services Revision History Revision Plan Author Revision Date Details 1.0 Neil Taylor Mar 2019 New template for completion 2.0 Joong Lee & James McKinnon October 2019 Version for Peer Review 3.0 Kelsi Green & Kristina Hermens September 2020 Post Peer review Updates 4.0 Kelsi Green & Kristina Hermens December 2020 For Audit Review Reviewed By Name Role Tony Hale & Martin Mould Manager – Water Services Cyril Morris Asset Management Team Leader Mark Walmsley Senior Asset Planning Engineer Neil Taylor Asset Management Planning Analyst Dawn Inglis Group Manager – Service Delivery Tonkin & Taylor External Peer Review Document Set ID: 10545235 Version: 2, Version Date: 20/01/2021 Content Revision Information ................................................................................................................. 2 Content ..................................................................................................................................... 3 Executive Summary ................................................................................................................... 7 About This Plan............................................................................................................................. 8 Why We Do It ............................................................................................................................... 8 The Service Provided .................................................................................................................... 9 Managing Demand ..................................................................................................................... 12 Risk and Resilience ..................................................................................................................... 13 Managing our services and assets.............................................................................................. 13 Financials .................................................................................................................................... 16 AM Improvement ....................................................................................................................... 17 Main Document ....................................................................................................................... 19 1 Introduction ..................................................................................................................... 20 1.1 About This Plan .................................................................................................................. 20 1.2 About the Water Treatment and Supply Service ............................................................... 21 1.3 Strategic Goals .................................................................................................................... 23 1.4 Planning and Regulatory Framework ................................................................................. 25 1.5 Effects of this Activity ......................................................................................................... 27 1.6 Variation from the Assessment of Water & Sanitary Services .......................................... 28 1.7 Current and Future Challenges and Opportunities ............................................................ 29 1.8 Impact of Covid 19 ............................................................................................................. 30 2 The Service Provided ........................................................................................................ 31 2.1 The Services We Deliver ..................................................................................................... 31 2.2 What Do Our Customers and Stakeholders Value? ........................................................... 33 2.3 Our Desired Levels of Service ............................................................................................. 35 2.4 Our LOS and LOS Gaps ....................................................................................................... 36 2.5 Our Future Programme to Deliver LOS .............................................................................. 40 2.6 Our Future Performance Targets ....................................................................................... 41 3 Managing Demand ........................................................................................................... 44 3.1 Demand Drivers .................................................................................................................. 44 3.2 Existing Demand ................................................................................................................. 45 3.3 Managing Demand on the Service ..................................................................................... 51 3.4 How Demand Is Changing and How It’s Impacting the Service ......................................... 52 3.5 Our Future Programmes to Meet Demand ........................................................................ 64 4 The Assets We Own .......................................................................................................... 67 Document Set ID: 10545235 Version: 2, Version Date: 20/01/2021 4.1 Network Overview ............................................................................................................. 67 4.2 Water Supply Schematics .................................................................................................. 71 4.3 Key Asset Statistics ............................................................................................................ 74 4.4 Critical Assets ..................................................................................................................... 77 4.5 The Condition and Performance of Our Assets ................................................................. 79 4.6 Asset Management Information System ........................................................................... 84 4.7 Asset Data Confidence ....................................................................................................... 85 5 Risk Management ............................................................................................................ 86 5.1 Risk Assessment ................................................................................................................. 86 5.2 Water Treatment and Supply Resilience Approach ......................................................... 88 5.3 Climate Change .................................................................................................................. 89 5.4 Three Waters Master Plan 2020 ........................................................................................ 90 5.5 Our Future Programmes to Address Risk .......................................................................... 92 6 Managing Our Services and Assets ................................................................................... 96 6.1 Operating and Maintaining our Services and Assets ......................................................... 96 6.2 Future Programme to Deliver Operations and Maintenance ......................................... 103 6.3 Operations and Maintenance Future Costs Requirements ............................................. 105 6.4 Renewing the Assets ........................................................................................................ 106 6.5 Future Programme to Deliver Renewals ......................................................................... 108 6.6 Upgrading and Creating New Services and Assets .......................................................... 110 6.7 New and Upgraded Services and Assets - Future Cost Requirements ............................ 111 6.8 Project Programme to Deliver Solutions for the Water Supply ...................................... 112 6.9 Longer Term Projects - Years 11+ .................................................................................... 115 6.10 Stopping Services and Disposing of Assets ...................................................................... 115 7 Financial Summary .......................................................................................................... 116 7.1 Financial Requirements – What We Need ...................................................................... 116 7.2 Funding Strategy .............................................................................................................. 118 7.3 Assumptions Behind Financial Forecasts ......................................................................... 118 7.4 Financial Forecasts Confidence ....................................................................................... 120 8 AM Improvement ............................................................................................................ 121 8.1 AM Maturity .................................................................................................................... 121 8.2 Improvements