2010 ANNUAL REPORT - Watercare

WATERCARE SERVICES LIMITED ANNUAL REPORT 2010Sustainability Impacts of Company ActivitiesThis table provides an overview of the sustainability impacts of the company’s majorinitiatives. Projects are listed in detail in Watercare’s Asset Management Plan,available on its website: www.watercare.co.nzImpact on key areas: Social Economic Environmentalsustainability impactsInitiative Sustainability Impacts Outcome to Date Outlook 2010/11Project Hobson: Replacethe 98-year-old sewer thatbisects Hobson Bay with athree-kilometre-long tunnelPuketutu IslandRehabilitation: Rehabilitatea former quarry withtreated biosolids overa 35-year periodCentral Interceptor:Construct a centralwastewater and wet-weatherinterceptor from centralAuckland to the MangereWastewater Treatment PlantHunua No. 4 TrunkWatermain Project:Installation of approximately35 kilometers of trunkwatermain from ManukauCity to central AucklandReliability-CentredMaintenance (RCM)Programme: A programmeto identify when to repair orreplace assetsThree Waters Plan: Continueimplementation of theThree Waters joint planningprocess that consideredregion-wide issues in themanagement of drinkingwater, wastewater andstormwaterWestern Dams Upgrade:Provide environmental flowsinto streams below damsRehabilitation of Pond 2:Rehabilitate a formeroxidation pond, adjacent tothe Mangere WastewaterTreatment Plant, with treatedbiosolidsBy offering greater capacity and storage,the Hobson tunnel allows for populationgrowth and substantially reduces wetweatheroverflows into the bay.The removal of the old sewer willincrease recreational opportunitiesin the bay.The proposal offers a long-term solutionfor the beneficial use of treated biosolidsthat is cost effective, minimises truckmovements through urban areas andresults in a new regional park for thepeople of AucklandThe project will provide for mitigationof pipe failure risks, reduce wastewateroverflows and provide for populationgrowthThe watermain will provide forpopulation growth and will increasethe security of the water supply to theAuckland regionRCM continues to identify the optimummaintenance frequency for assets anddetermines where assets can continueto be used until they need replacing;RCM has also improved the prioritisationof maintenance work duringThe Three Waters implementation planwill provide a coordinated approach tomanaging the three waters to ensurethe needs and expectations of a growingpopulation are metThe upgrades of compensation and freedischarge valves will improve the qualityof the water and aquatic life in thestreams below the dams, and increaseWatercare’s ability to control lake levelsThe site will be used in the future as anecological reserve. The rehabilitation isa least-cost solution and its proximityto the treatment plant minimises truckmovements of biosolids in urban areasÌÌÌÌÌÌÌÌCompleted the construction worksPump Station 64 handed over toOperationsDemolition of old sewer commencedContinued to engage with the localcommunityÌÌ Reconfirmed economics of project afterthe Auckland Regional Council (ARC)declined applications for resource consentand the Manukau City Council (MCC)recommended Watercare’s Notice ofRequirement be withdrawn in 2008/09ÌÌ Worked with affected stakeholderstowards resolving outstanding issuesÌÌ Continued focus on concept design,consultation and preparation of resourceconsent applicationÌÌ Engaged in public consultation. Particulareffort has been targeted at contentiousareas of the alignmentÌÌ Applied for regulatory approvals (ResourceConsent and Notices of Requirement)Detailed design under wayÌÌÌÌÌÌCompleted construction of the newpipeline on the SH20 Manukau Harbourbridge crossingWorked collaboratively with stakeholdersto maximise mutual benefit, e.g. workingwith planned road work programmes.ÌÌ Optimisation of the RCM programme isnow under way. The objective is to deliverthe most efficient and cost-effectivemaintenance programme for WatercareÌÌ Work commenced on replacing theexisting computerised maintenancemanagement system (CMMS)ÌÌ Draft Three Waters ImplementationPlan preparedÌÌ Investigations and planning for the newCentral Interceptor sewer, identified aspart of Three Waters planning, whichextends from central Auckland toMangere, are progressingÌÌ Completed work on Lower Huia, Lowerand Upper Nihotupu and Waitakere damsÌÌ Commenced work on Upper Huia DamÌÌ Engaged in public consultation regardinglandscaping plansÌÌ Submitted landscaping plans to the ARCand MCC for approvalÌÌ Continued progress with rehabilitatione.g. plantingÌÌ Complete all outstanding works by30 September 2010ÌÌ Complete demolition of all old structuresby 30 September 2010ÌÌ Complete demobilisation from projectsites by December 2010ÌÌ Continue to engage with the localcommunityÌÌObtain endorsement of Waikato-TainuiÌÌ Settle final appeals to theEnvironment CourtÌÌ Commence detailed designÌÌ Commence the concept design andresource consent process for completionby 2014ÌÌ Complete work on Phase 1 of theproject by 2025ÌÌÌÌÌÌÌÌComplete regulatory consents processMaintain ongoing stakeholderrelationships with affected partiesContinue with detailed design andprocurement strategy for long-lead itemsOptimise RCM modelsÌÌ Modify and align RCM models to suitCMMS requirementsÌÌ Develop RCM asset hierarchy forRosedale Wastewater Treatment Plant andassociated water and wastewater pumpingstations as part of integrationÌÌ Progress replacement CMMSimplementationÌÌ Communicate with the Auckland Councilregarding input to finalise the draftimplementation planÌÌ Develop a water demand managementplan and prepare long-term infrastructuredevelopment plans for delivering watersupply and wastewater services throughto 2062ÌÌ Complete work on Upper Huia DamÌÌ Continue rehabilitation (The capacity ofPond 2 for rehabilitation by biosolids willlast until 2013)ÌÌ Obtain approval of landscaping plansfrom ARC and MCC6