Stormwater, Water Supply and Wastewater
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Asset Management Plan 3 Waters 2014-2015 Manawatu District Council Contents 1 Introduction .................................................................................................................................... 8 1.1 Background .................................................................................................................................................8 1.2 Goals and Objectives of Asset Ownership .................................................................................... 11 1.3 Plan Framework ..................................................................................................................................... 11 1.4 Core and Advanced AM ....................................................................................................................... 11 1.5 Key Assumptions .................................................................................................................................... 12 2 Levels of Service ............................................................................................................................ 14 2.1 Customer Research and Expectations ........................................................................................... 1 4 2.1.1 Customer Satisfaction ................................................................................................................. 15 2.2 Strategic and Corporate Goals .......................................................................................................... 20 2.2.1 Council Vision ................................................................................................................................ 20 2.2.2 Community Outcomes ................................................................................................................ 20 2.2.3 Significance and Engagement Policy .................................................................................... 23 2.2.4 Infrastructure Strategy .............................................................................................................. 23 2.2.5 Significant Negative Effects ...................................................................................................... 23 2.3 Legislative Requirements ................................................................................................................... 26 2.3.1 Local Government Act (LGA) 2002 ....................................................................................... 26 2.3.2 LGA Amendments......................................................................................................................... 27 2.3.3 Resource Management Act 1991 ........................................................................................... 27 2.3.4 Health & Safety in Employment (HSE) Act 1992............................................................. 28 2.3.5 The Health Act 1956 ................................................................................................................... 28 2.3.6 Civil Defence Emergency Management Act 2002 ........................................................... 29 2.3.7 Building Act 1991 ......................................................................................................................... 29 2.3.8 Soil Conservation and Rivers Act 1941 ............................................................................... 29 2.3.9 Land Drainage Act 1908 ............................................................................................................ 30 2.3.10 Water and Sanitary Services Assessments ................................................................... 30 2.3.11 National Environmental Standards ................................................................................. 30 2.3.12 National Policy Statement for Freshwater Management ........................................ 31 2.3.13 DIA Mandatory Performance Measures ......................................................................... 31 2.3.14 Horizons Regional Council One Plan ............................................................................... 32 2.3.15 District Plan ............................................................................................................................... 33 2.3.16 Council Bylaws ......................................................................................................................... 33 2.3.17 Coastal Policy Statement ...................................................................................................... 33 2.4 Current Levels of Service .................................................................................................................... 34 2.5 Desired Levels of Service .................................................................................................................... 37 3 Growth & Demand ........................................................................................................................ 45 3.1 Demand Drivers...................................................................................................................................... 45 3.1.1 Population ....................................................................................................................................... 45 3.1.2 Water ................................................................................................................................................. 49 3.1.3 Wastewater ..................................................................................................................................... 50 3.1.4 Stormwater ..................................................................................................................................... 51 3.1.5 Social Trends .................................................................................................................................. 51 3.1.6 Economic Trends .......................................................................................................................... 52 Manawatu District Council – 3 Waters Asset Management Plan 2014-2015 3 Contents 3.1.7 Sustainable Development ......................................................................................................... 52 3.2 Demand Forecasts ................................................................................................................................. 54 3.2.1 Background ..................................................................................................................................... 54 3.2.2 Community Household Projections ...................................................................................... 54 3.2.3 Population Demographic Changes ........................................................................................ 55 3.2.4 Agricultural Demand .................................................................................................................. 57 3.2.5 Industrial Demand ....................................................................................................................... 57 3.2.6 Water ................................................................................................................................................. 57 3.2.7 Wastewater ..................................................................................................................................... 61 3.2.8 Stormwater ..................................................................................................................................... 61 3.3 Demand Impacts on Assets ................................................................................................................ 62 3.4 Demand Management Plan ................................................................................................................ 62 3.4.1 Water ................................................................................................................................................. 65 3.4.2 Wastewater ..................................................................................................................................... 66 3.4.3 Stormwater ..................................................................................................................................... 67 4 Lifecycle Management Plan .......................................................................................................... 68 4.1 Background Data .................................................................................................................................... 69 4.1.1 Physical Parameters .................................................................................................................... 69 4.1.2 Asset Capacity/Performance ................................................................................................... 7 0 4.1.3 Asset Condition ............................................................................................................................. 79 4.1.4 SCADA and Telemetry ................................................................................................................ 80 4.1.5 Historic Data ................................................................................................................................... 80 4.2 Routine Operations and Maintenance Plan ................................................................................