2.7.2 Water Losses .............................................................................................................................. 28 2.7.3 Flow and Pressure ...................................................................................................................... 29 2.7.4 Response and Service Restoration Time to Customer Service Requests ................................. 29 2.7.5 Customer Satisfaction ................................................................................................................. 30 2.7.6 Affordability.................................................................................................................................. 31 Chapter 3: Future Demand ..................................................................................................... 32 3.1 Demand Drivers ......................................................................................................................... 32 3.2 Demand Forecast ...................................................................................................................... 32 3.2.1 Marlborough Urban Growth Strategy .......................................................................................... 36 3.2.2 Domestic Consumption ............................................................................................................... 37 3.2.3 Water Abstraction Permitted by Resource Consent ................................................................... 39 3.3 Demand Impact on Assets ....................................................................................................... 46 3.3.1 Blenheim – Sources, and Treatment .......................................................................................... 46 3.3.2 Picton Sources ............................................................................................................................ 47 3.3.3 Havelock– Sources ..................................................................................................................... 48 3.3.4 Renwick Sources ........................................................................................................................ 48 3.3.5 Riverlands Sources and Treatment ............................................................................................ 48 3.3.7 Wairau Valley Sources ................................................................................................................ 49 3.3.8 Wairau Valley Treatment and Reticulation .................................................................................. 49 3.4 Demand Management Plan ...................................................................................................... 49 3.5 Asset Programmes to Meet Demand ...................................................................................... 51 Chapter 4: Life Cycle Management Plan ............................................................................... 52 4.1 Background Data ...................................................................................................................... 52 4.1.1 Treatment .................................................................................................................................... 53 4.1.2 Asset Capacity and Performance ............................................................................................... 55 4.1.3 Asset Condition .......................................................................................................................... 55 4.1.4 Asset Valuations ......................................................................................................................... 59 4.2 Risk Management ...................................................................................................................... 60 4.3 Routine Operations and Maintenance Plan ............................................................................ 62 4.3.1 Reticulation Maintenance Activity ............................................................................................... 63 4.3.2 Operational Management ............................................................................................................ 64 4.3.3 O & M Decision Making ............................................................................................................... 65 4.3.4 Summary of Operational Costs ................................................................................................... 66 4.4 Renewal/Replacement Plan...................................................................................................... 66