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Stormwater Activity Management Plan 2017

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Stormwater Activity Management Plan 2017 Stormwater Activity Management Plan 2017 Stormwater Retention Pond Matamata Stormwater Activity Management Plan 2015-2025 (updated 2014) 1 Stormwater Activity Management Plan Quality Information Document Stormwater Activity Management Plan Ref Version 3 Date March 2018 Prepared by Jan Dimmendaal – Utilities Asset Engineer Reviewed by Susanne Kampshof - Asset Manager Strategy and Policy Copies 2 Stormwater Activity Management Plan 2 2018-2028 (updated 2017) Table of Contents 1 Executive Summary .................................................................................................... 7 2 Introduction ............................................................................................................... 13 2.1 Purpose of the Plan ........................................................................................... 13 2.2 Relationship with other Plans ............................................................................. 13 2.3 Key Stakeholders ............................................................................................... 15 2.4 The Plan Format ................................................................................................ 15 2.4.1 Asset Management Process .................................................................. 16 2.4.2 The Stormwater Activity Plan Format ..................................................... 16 2.5 Description of Activity ......................................................................................... 17 2.6 Brief Description of Assets ................................................................................. 18 2.7 Assessment of Water Services 2017 .................................................................. 18 2.8 Asset Management Policy .................................................................................. 18 2.8.1 Objective of the Asset Management Policy ............................................ 18 2.8.2 Appropriate Activity Management Levels ............................................... 19 2.8.3 ‘Intermediate’ Asset Management Practice ............................................ 19 2.9 Assessing Asset Management Practice ............................................................. 19 2.10 Renewal/Replacement Policy ............................................................................. 21 2.10.1 Renewal Methodology ............................................................................ 21 2.10.2 Deferred Maintenance/Renewals ........................................................... 21 2.11 Stormwater Bylaw .............................................................................................. 22 3 Sustainability............................................................................................................. 22 3.1 Definitions .......................................................................................................... 22 3.2 Objectives .......................................................................................................... 22 3.3 Sustainability and Lifecycle ................................................................................ 22 3.4 Sustainable Development .................................................................................. 23 3.5 Efficient Use of Energy within Council’s Three Water Facilities .......................... 23 3.6 High Level of Resource Consent Compliance .................................................... 24 3.7 Significant Effects .............................................................................................. 24 4 Levels of Service ....................................................................................................... 26 4.1 Background ........................................................................................................ 26 4.2 LTP Community Outcomes ................................................................................ 26 4.3 Legislative Requirements ................................................................................... 28 4.4 Why is Council Involved in this Activity ............................................................... 28 4.5 Levels of Service ................................................................................................ 29 4.6 Strategic Assets ................................................................................................. 29 4.7 Strategic and Critical Assets .............................................................................. 29 4.8 Management Structure and Responsibilities ...................................................... 30 4.9 Asset Management Structure ............................................................................. 30 4.10 Performance Measures ...................................................................................... 31 4.10.1 Background ............................................................................................ 31 4.10.2 Performance Criteria .............................................................................. 31 4.10.3 Performance Measures 2018/28 ............................................................ 33 4.11 Customer Research and Expectations ............................................................... 33 4.11.1 Consultation ........................................................................................... 33 4.11.2 Customer Surveys ................................................................................. 33 5 Growth and Demand Management .......................................................................... 36 5.1 Growth Forecast ................................................................................................ 36 5.1.1 Background ............................................................................................ 36 5.1.2 Population & Dwelling Profile for towns with stormwater facilities (Estimated 2017) ................................................................................................ 37 5.1.3 District Plan Change 47 ......................................................................... 38 Stormwater Activity Management Plan 3 2018-2028 (updated 2017) 5.2 Stormwater Trends ............................................................................................ 40 5.2.1 Climate Change ..................................................................................... 40 5.3 Demand Management ........................................................................................ 40 5.4 Modelling ........................................................................................................... 42 6 Lifecycle Management Plan ..................................................................................... 43 6.1 Description of Stormwater Activity ...................................................................... 43 6.1.1 Matamata- Piako Overview .................................................................... 43 6.2 Stormwater Activity ............................................................................................ 43 6.2.1 Summary of Stormwater Assets ............................................................. 44 6.2.2 Data Confidence and Reliability ............................................................. 45 6.3 Matamata Stormwater Scheme .......................................................................... 47 6.3.1 Scheme Overview .................................................................................. 47 6.3.2 Catchments ............................................................................................ 48 6.3.3 Reticulation ............................................................................................ 49 6.3.4 Retention Ponds .................................................................................... 50 6.3.5 Overland Flow Path................................................................................ 51 6.3.6 System Capacity .................................................................................... 51 6.3.7 Resource Consents................................................................................ 51 6.4 Morrinsville Stormwater Scheme ........................................................................ 52 6.4.1 Scheme Overview .................................................................................. 52 6.4.2 Catchments ............................................................................................ 53 6.4.3 Reticulation ............................................................................................ 53 6.4.4 Retention Ponds .................................................................................... 55 6.4.5 Overland Flow Paths .............................................................................. 55 6.4.6 Resource Consents................................................................................ 55 6.5 Te Aroha Water Scheme .................................................................................... 55 6.5.1 Scheme Overview .................................................................................. 55 6.5.2 Catchments ............................................................................................ 56 6.5.3 Historic Influences .................................................................................. 57 6.5.4 Reticulation ...........................................................................................
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