Draft Drainage Asset Management Strategy

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Draft Drainage Asset Management Strategy

Moreland Draft Drainage Asset Management Strategy

NOVEMBER 2005 NOVEMBER 2005

D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc 2 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY makesure that the document iscurrent. you If are reading this documentplease check the versiondate and the endorsementdate belowto performance data that is“real-time” based. the of document iscritical inapplying contentits as containsit significant asset management and Document This is live a Council document and issubject to periodicreview. The validity and currency Control Version Version 1.0.1 1.0.0 Version Month Version November October 2005 2005 Year Endorsed Date Endorsed 14/11/2005 20/10/2005 Draft– Internal Consultation Draft Draft Public – Consultation Status Mayor CrMark Higginbotham [email protected] CityCouncil, Locked Bag 10, MORELAND VIC 3058 or writingand addressed to Directorthe City Infrastructure,Moreland and suggestions for futureeditions. Comments should be made in and the environment.Council welcomesconstructive comments toreflect the changingneeds the of organization communitythe TheDAMS is a dynamic document as therewill beregular updates appropriate,accessible and responsive the to community. positionto provide identifiedin this document,Moreland will be in a betterlong-term However, Councilis confidentthat by implementingthe key actions experiencedin Moreland will not be an easy quickor task. Implementingthe solutions to addressthe drainage issues flooding. areas Council’s in drainage system thatcould besubject to capacityof Council’s existing drainagenetwork and identified all Council carried aout drainage capacity study,which assessed the minimizepollutants entering the waterways. In addition, in 2002 standards, cater for currentand future developmentand to adequacyof Council’s drainage network to meetcurrent Inrecent years, there have been increasing concernsabout the context of Council’s affordablefinancial resources. safeguardingagainst damage fromstorms andfloods within the and tocare for generalthe welfare of the community by commitmentto protect,maintain andenhance the public safety and bringthem to up the current standard” Council’saim to “ managementand maintenance isan important commitment. significantinvestment by Counciland its ongoing development, Thestorm waterdrainage network Moreland in represents a Foreword 1.

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY keep thedrains clear, keep drainsthe working D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc drainage assetsthat are sustainable,

demonstratesits

3 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY 5. 4. 3. 2. 1. Contents of Table Foreword Table ofContents 7. 6. 5.1 4.14 4.13 4.12 4.11 4.10 4.9 4.8 4.7 4.6 4.5 4.4 4.3 4.2 4.1 3.2 3.1 2.4 2.3 2.2 2.1 Actions Awareness and Education Actions Development and Use Planning Land Actions Sustainability Actions Protection andQuality Environmental Water Actions Standard Design Actions Mitigation Flood Actions Condition Network Actions Maintenance 1.2 1.1 7.3 7.2 7.1 6.3 6.2 6.1 5.3 5.2 4 3.2.2 3.2.1 3.1.4 3.1.3 3.1.2 3.1.1 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Future Vision & Goals & Vision Future Position Current Background Strategy the of Purpose Summary Executive Strategies and Actions and Strategies Analysis Gap NewUnderground Drainage Assets -Initial Designand Construction Managingthe Provision ofService Delivery LandSubject to Flooding -Overlays in Moreland DrainageIssues Moreland in PresentCondition of Council’s Underground Drainage Assets DrainageInformation Management Ageof Council’s DrainageAssets UndergroundDrainage Asset Stock DrainageStandards DefiningDrainage Relationshipwith Other Council Strategies Key Benefitsof the Strategy Implementation Council’sAsset Management Vision StrategyApproach CouncilVision andStrategies and Actions Introduction Flood MitigationActions NetworkCondition Actions MaintenanceActions ProjectedUpgrade Gap ProjectedDrainage Renewal Gap AreWe Doing Enough? - Asset ConsumptionVs. Asset Replacement TwentyYear Goals Five-YearGoals DrainageVision Managementof Stormwater Quality Prioritisationof Drainagethe ImprovementProgram Inspecting Drainage Assets Renewal andUpgrade Works PeriodicMaintenance RoutineMaintenance ...... Impactof Drainage Designon our DailyLife StormDuration Melbourne Role Water’s Council’s Role Major MinorDrainage & Systems Drainage inMoreland ...... 24 21 20 13 10 24 24 24 23 22 20 20 20 19 19 19 18 18 15 13 13 13 11 11 11 11 10 10 10 7 5 4 3 8 8 6 6 6 6 6 6 5 6 6 9 18 8 19 16 11 6 14 21 18

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY 11. 10. 9. 8. 9.4 9.3 9.2 9.1 8.3 8.2 8.1 7.8 7.7 7.6 7.5 7.4

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Glossary of Terms of Glossary Review Strategy Strategy this of Performance Assess and Monitor We Will How Strategy Financial Adopted MaintenancePerformance Measures User SatisfactionPerformance Measures ConditionPerformance Measures CostPerformance Measures 10-YearFinancial Drainage Distribution Profile – Assumptions 10-YearFinancial Drainage Distribution Profile 10-YearDrainage Financial Strategy Educationand Awareness Actions LandUse Planningand Development Actions SustainabilityActions WaterQualityand Environmental ProtectionActions DesignStandard Actions D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc ...... 26 31 30 25 25 24 29 29 29 26 29 27 25 24 28 29

5 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY n il cnie orwn pin o agtd infrastructure Thecurrentwritten Council’s downvalueDrainageof infrastructure targeted for options improvements, particularly thosewith an intergenerational borrowing benefit”. consider infrastructure, will Moreland's enhance and and renew / will services “Council which that states Speech about Mayor’s 2005 made The priority. higher be the have assets to have choices and limited, of range are Funds wants. community its wide services the improve to demands a faces councils most like Council, City Moreland objectives. defined well and data quality on based decision-making better of outlinesbetter resource that (DAMS) StrategyManagement Asset Drainage thisdeveloped the in has Council Program, Improvement Management Asset Step involvement MAV and Policy Management Asset Moreland the of adoption feedback, resident municipality, the experiencedwithin events flood recent of result a as and reports above the of light In floodprotection levelsfor metropolitan Melbourne”. stormwater raise to collaboratively work and to need government local Corporation Water Melbourne Sustainability, of The Department response. legislative government up’ ‘joined addressing a require also and will It gaps. controls systems, planning drainage better upgrading introducing from education, responses of community range improving a events. that require storm will exposure significant this identified from Reducing damage of also related risk flood the to significant report exposed be to continues Auditor-General's Melbourne “metropolitan Victorian The Council's to relation in care of assets managementpractices and maintenance of assets. duty and as skill/expertise accepted of and an level demonstrate to changing need will Councils constantly age, to continue is operates government local which in environment the that identified have reports These have been: assets drainage of management the to relating reports two main The management. asset in performance government’s local analysing released been have reports numerous years, recent In 2.1 2. corporate information and corporate systems. information data 1 pits levels. service pipes, their maintain and function the to continue culverts and that ensure to period) year (five short-term the in year, each assets million $1.4 to up of Drainage works renewal and upgrades need Council’s estimates, current On million. $1.2 of order the in is consumption asset annual long-term the present, At million. $121.6 is value replacement its and million $43.1 of order the of is

iaca eeus ua eore qimn, materials, equipment, resource, human revenues, Financial 6   Executive Summary MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Introduction ainl Ofc f Lcl Gvrmn Rpr n the on "Report Government Local Operationof LocalGovernment" (2001) of Office National Flooding Risks Melbourne" in (July2005) Stormwater "Managing report,Auditor-General's Victorian 1 allocation and utilisation with the objectiveallocationwithutilisationandthe netet i nrsrcue rnwl ars l aeois of categories the soyears, of number all a occurredrecognisedrequirements, over has with compared spending under- across of level lower historical relatively renewal The the assets. infrastructure reflects that in figure investment a around been year, has assets per drainage $500,000 on funding of level past The community’squality oflife the on has this impact important the acknowledging renewal its for “ followingstatement: the in above the to reference makes Plan Council 2005-2009 The of goals, those of understanding whatCouncil aimsto achieve with the community’s money. clearer a community strategies the the importantly, give equally and addition, In goals. those towards working are programs and funds Council’s that ensure to goals overall set and DAMS the of basis the form strategies These developedrelevant in maintenanceoperational, fundingand areas. been now have strategies detailed this, do To way. coherent and systematic a in priorities its set to important is it that decided has Council City of Moreland risk levels, acceptable the reasonably below run falling future the in provided services the un-sustainablethat given be and can backlogs renewal asset future that Given of levels past to compared when expenditurethe in vicinities of $500,000 per annum. change, significant a is This blockages and blockages major and faults. 2 keepthe drains workingand bring themto up standard”. clear, drains the “Keep to as summarised be can vision Council’s 2.2 asstriving tomeet current demands. For example: well as spending up’ ‘catch substantial with faced now are we that

Council will responsibly manage the City’s infrastructure and plan and infrastructure City’s managethe responsibly will Council npcin sn aea eupet t eet pp failures, pipe detect to equipment camera using Inspections 4. 3. 2. 1. Council Vision and Strategies and Actions Actions and Strategies and Vision Council ak o oodnto ih dvlpr n ak of lack and faulty sub-optimallyor performing. developers are with that assets new to led has guidance and supervision co-ordination of Lack meet to currentdesign standards. upgrades significant need will that network the of parts are There poorly pits. and to pipes led of networks has designed municipality the within growth of rate ofThedrainagelack modelling techniques theinandpast significant riskof blocked pits and wherepipes. size or standard a to practically achievable;routinerepair cleaningis or leaving up not are Council’s pits of and majority pipes The today. see we developments industrial and residential of expansion the and of population growth the not but day, the of requirements the meet standardsof drainage construction that were applicable to the with 1940s – 1890s the in built was system drainage the municipality, the of parts middle and southern the In at- of level desired leastonce everyfive years. a beyond well years, 40 than more inspected municipality physically the been within not pipes have drainage of majority The ”. 2 n/r cend in cleaned and/or

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Sustainability Actions Water Quality Environmental Protection and Actions Design StandardActions MitigationFlood Actions ConditionNetwork Actions Maintenance Actions the Thefollowing isa list some of the of key actions identified: implement to is DAMS the of strategiesand actionsidentified in Section7. recommendation key The of aspects the including renewals, improving design and supervision. and about maintenance equally of but processes funds, more allocating exclusively about not is planning future the that recognises DAMS The             MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY building sitesthat discharge debris into system.the systemfosters reductionthe ofpipe blockages caused by ReviewCouncil’s Local Lawsto ensure the local legal tanks waterand sensitive urban design. Council encourage the installation anduse ofrainwater conjunctionwith the footpath renewalprogram. impervious surfaces whereopportunities exist, in Developa footpathpaving policy to reduce the width of Thisplan will be included in Council’sDAMP. prioritisedprogram ofworks and begin implementation. within municipalitythe to adoptedstandards with a Developa plan upgrade to 30% of under-capacitypipes cyclic basis,to identifythe condition of theseassets. undergrounddrainage system network on a two yearly ProactivelyCCTVinspect a randomsample the of thiscombination unit to determine pipe condition. undertakeproactive cleansing ofall Council pipes.Utilise Implement purchasethe ofa ‘CombinationUnit’ to programfor pitsall within the municipality,once annually. Continuewith the proactive inspection cleaningand ofwater in the waterways. quality improve to system drainage the upgrade to Fund StormwaterUrbanthe Conservation from grants Applyfor worst to the in Water affectedareas of Moreland. drainage Melbourne undercapacity of from issues funds address additional for Lobby special chargeschemes. implementing by drainage, new of provision the for funds the raising for mechanisms alternative place that in Put ensure for to levels maintenance drains kept are working. identified and required renewal the capital to funding Increase projectssuch aswetlands and retarding basins. Explorepossible options with MelbourneWater of joint D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc ses hv en te Vcoin AdtrGnrls report, Auditor-General's Victorian the 2005) (July Melbourne" in been Risks Flooding Stormwater drainage "Managing of have management the to assets relating reports two main The localgovernment’s performance in assetmanagement. analysing released been have reports numerous years, recent In 3. AwarenessEducation and Actions Use Land Planning and Development Actions corporate information and corporate systems. information data 3  objectives. defined well and data quality on based decision-making better of outlinesresourcebetter that (DAMS) Strategy Management Asset Drainage this developed the in has Council Program, Improvement Management Asset involvement Step MAV and Policy Management Asset Moreland the of adoption feedback, resident municipality, the within experienced events flood recent of result a as and reports above the of light In floodprotection levelsfor metropolitan Melbourne”. stormwater raise to collaboratively work and to need government local Corporation Water Melbourne Sustainability, of The Department response. legislative government up’ ‘joined addressing a require also and will It gaps. controls systems, planning drainage better upgrading introducing from education, responses of community range a improving events. that require storm will exposure significant identified this from Reducing damage of also related risk flood the to significant report exposed be to continues Auditor-General's Melbourne “metropolitan Victorian The Council's to relation in care of assets managementpractices and maintenance of assets. duty and as skill/expertise accepted of and an level demonstrate to changing need will Councils constantly age, to continue is operates government local which in environment the that identified have reports These of LocalGovernment" (2001). Operation the on "Report Government Local of Office National and

iaca eeus ua eore qimn, materials, equipment, resource, human revenues, Financial Purpose of the Strategy   and resources; vision Management Asset Council’s integrating and Linking potentialflooding events. can totake alleviate riskthe and/or consequenceof drainageissues that Councilfaces and what actions they inthe floodaffected areas of Moreland to as the various Implement aneducation campaign toinform the residents within localthe area. drainageupgrades and water sensitive urbandesign Fundscollected fromdevelopers would beused tofund ContributionsPlan (Development Contributions Plan). Explorethe option of introducingan Infrastructure 3 allocationutilisationandobjective with the

7 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY etos ad rle n sseai seset f asset of assessments a systematic in on options relies performanceand costs.It: and subsequent considering in detailed sections as objectives and and goals is policy DAMS by infrastructure driven The manner. of cost, informed and view pro-active comprehensive, long-term and a taking performance by problems these remedy to funding of allocation the is DAMS the issuefor central A hence land, existing on properties of increasingthe riskof flooding. towards number trend growing the a increasing and municipality the the in developments of the in integrity increases the by new particularly areas, industrial and residential in exacerbated in growth of levels been decline has gradual This a infrastructure. been has of there rehabilitating that consequence and positive managing the such been has shortfall the of extent the However, pits. and in pipes had efficiencies has better to This encouraging had have funding. Councils of limited environment other an in networks and Drainage extensive their Moreland manage years, many For    ye il ahee te bs odto ucm vr te next the over outcome condition best decade. the achieve will treatment drainage types available across budget that of distribution on 4

Moreland City Council’s Asset Management Philosophy is based is Philosophy Management Asset Council’s City Moreland 3. 2. 1. piiigoptimising 8 en and truh ipoeet n drainage in improvements through gained being are Efficiencies assets. the of potential service the maximise outcomes best achieve to funds limited available to spend way optimal the out sets also DAMS strategic The other goals. Council achieve help to and assets drainage the of demands the meet to expenditure of level desired a out Sets of levels intended the service. provide and life full-expected their last to them enables that manner sustainable a in assets its manage to works Council aid forward will It of targets. expenditure and development plan the for basis the Provides based. is (DAMP) Plan Management Asset Drainage Council’s City Moreland directionsuponplatformswhich principles,the and each used funds outlines and the view futuristic a takes effect in DAMS The year. for priorities strategic clear set to assists and and assets, drainage of responsible renewal and maintenance the for goals for framework overall the out sets It network. drainage the of management a Provides andcost-effective maintenance practices. easy to themselves lend they that manner a such in built are pipes and portfoliodrainagethe in assets new that ensure standardsto design future of adaptation pits dynamic Thea to leads maintainability). also DAMS better and serviceability both and for (designed technology, maintenance MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY salsig sses fr promne maueet of measurement performance Council’sdrainage assets. for systems short, on Establishing needs, those meet to medium long-termand basis;and assets drainage the on of used capacity the and needs funding delivery service future Forecasting for priorities drainage assets. of setting Transparent t vial ugt n sc a, ta the that way, a such in budgets available its 4 , i.e. asfollows: to takes ground’ it ‘ what by an driven is provide DAMS the to approach Council’s consistent 3.1 sustained, a and strong commitment. require perspective will multi-disciplinary DAMS staff, and Managers Responsible Asset the all by ‘buy-in’ the leadership, of of implementation result a successful as The and data. of analysis and priorities recording expert more shifting of development with change will that document dynamic a as accepted be DAMS the that important is It and drainage of management the associated assetsover recent years. in measures performance and systems information of use its expanded steadily has Council andchanging emphasis in Council priorities. availability, funding technology, new with develop and change will DAMSthe directions, Council’ssetting While document.long-term a therefore is DAMS The expenditure. renewal million capital in year $1.4 per desired the of target the reach we before time some take clearly will it budget, Council’s on demands of range the With eto il b sd t oio h taey hs KPIs These strategy. the monitor to used be essentially providethe base-line for future decision-making. in will documented associated indicators, 9 and performance Section Key strategies plans. information, and of tactics quality continuously to the intended is improve process review and monitoring The 1. 4. 3. 2. . Therefore, the DAMS has been built from the ground up ground the from built been has DAMS the Therefore, . Strategy Approach Strategy oni a eie n riuae h e services key the articulated and defined has Council e. d. c. b. a. Strategies havebeen documented and recommendedfor: c. b. to used been have a. service of determine the: levels agreed The future resource levels andtactics. basisbe provided.formay levelsservices These the form Councilhas established ‘acceptable levels’ at which these forfuture services and assets. the vision Council’s and both services and assets of describes state current document This objectives. funding and DAMP the of basis the form services These desired. rtclt oioig dang ie n is toResourceallocation enable tomeet service level targets. will pits that Council and to targetfunds more appropriately. mechanisms pipes prioritisation develop drainage monitoring to Criticality pits and pipes monitorthe serviceability potential ofthe asset. drainage of monitoring Capacity physicalstate of the asset. Condition monitoringof drainage assets to manage the long-term tomeet the target service levels. short-termtheand the Financialrequiredresources for sothat service levelsare met. assets, existing requirements maintenance Minimum Upgrade requirementsfor existing assets. features. functional their and assets drainage new of Standard cetbe ucinn riae ntok o the on network drainage functioning acceptable,

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY hs efciey te oni taeis ad pas ms be must plans and strategies Council considered and they includethe: other effectively, this the achieve and assets do to order In targets. and goals drainage vision, Policy Management Asset its manage to a in position be better to Council enable to direction future the sets DAMS The 3.4 seeks to achievethe following benefits: Council City Moreland DAMS, the of implementation the Through 3.3 of ourDAMS. basis the is This life. of quality acceptable good, a enable will that service of level acceptable good, a provide to is vision this of aspect fundamental the that acknowledges Council City Moreland in the presentand future. operation, community the for maintenance, provide to assets of acquisition, disposal and rehabilitation creation, the through way the Goal: to responsive and accessible community. appropriate, sustainable, Vision: asfollows: is 2005, Policy Management Asset Council’s in stated vision The 3.2    4. 3. 2. 1.        MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Meet the required level of service in the most cost-effective most the in service of level required the Meet Relationship with Other Council Strategies Council Other with Relationship Strategy Implementation the of Benefits Key Vision Management Asset Council’s nue ta oni’ ast spot srie ht are that services support assets Council’s that Ensure mrvd ad efcie ue o vial resources available of use effective throughoptimised decision-making. and Improved lower performance, ofaccidents and damage resulting fromdrainage network failures. risks lower and users to inconveniences and disruptions Drainage Improved and increased fundingthat optimally is targeted. technology enhanced decisions, asset improved through time drainage over progressively maintenance of backlog the Reducing of costs long-term preservation. its Lowering StreetLandscape Strategy. EconomicStrategy; and MorelandOpen Space Strategy; Integrated TransportStrategy; Road AssetManagement Plan; Road AssetManagement Strategy; WatershedAction Plan 2001-2021; Stormwater ManagementPlan; StrategicResource Plan 2005-2009; Council Plan2005-2009; D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc h iue blw sos a tpcl dang ocp o urban for concept drainage typical a catchments. shows below figure The catchments.The stormwatereventually ends up the in ocean. thestormwater and disposeit creeks, in rivers and/orother openchannels, naturalwaterways and roadreserves, which carry networkwithin Citythe of Moreland is acombination of pits,pipes, ways,roads or footpathsiscalled stormwater.The drainage Anyrain thatfalls on roofs or iscollected via paved areas drivelike 4.1 4. catchments. larger the in particularly service, of level the in decline gradual a in results often densities, site and use land in changes with coupled This, it. restrict not does Scheme Planning the because generally system, the to connected be to land of pockets for small-unintended common is it time over area, large a lines for cater drainage to sized Whilst be can failure. to susceptible more often are that area large a serve to have that systems pipe to through drainagesystems to access property poor from ranging concerns creates minor of filling the This in system. pipe replacement a without occasionally waterways, resulted that manner a in developed have areas Some difficulties.drainage other suffersfrom also Moreland theolder areas ofthe municipality. in case the particularly is This land. their developed intensely had the owners property where where or narrow particularly roads the achieve, small, are allotments to difficult often the was as drainage, retrofitting good gaining properties or roads all in resulted by that not has This identified. were problems as date later a those at serviced exist now constructed Council properties drainage. including or subdivisions, have roads communities modern in normal considered Generally, services the all of many without grown has systems. that drainage constructed manner a in evolvednot development,hasperiodof its of result a asMoreland, 4.2 Diagram Background 1 Defining Drainage Defining Drainage in Moreland in Drainage – Typical drainage concept for urban catchments urban for concept drainage Typical –

9 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY events storm major & minor during behaviour system – Drainage 2 Diagram thepiped network. drainagesystem operates isdetermined by designthe criteriaof thereceiving waterways. The frequency at whichthe overland stormwaterdamage properties to transportsand the stormwaterto naturalwaterways. The majordrainage system prevents networkand usually consists of floodways, roadreserves or Themajor drainagesystem caters flows for excess in of pipedthe reducesthe frequency and quantity of surface flows. networkhas sufficient capacityto containnuisance flows and minor stormevents (generallyflows of upto 1 in 5 ARI). The piped Theunderground piped networktransports stormwater flows for Drainagesystems are usually designed two separateas elements. 4.3 Watercontrols over 32km ofmain drains. that authorityand are called main drains. InMoreland, Melbourne and replacedby drainage systems, the controlsstill remains with Water. Where creeksthe or small watercoursehave been filled in rivers that comeunder the care andmanagement of Melbourne Stormwater drainagesystems ultimately connect to creeks and amenityproblems to the surroundingarea. remainingfor days afterthe rainhasceased and creating potential surfaceslopes are inadequate, problems occur with water Where,however, the rightsof way areunmade theor general wherethe slopes areadequate and the rights of wayconstructed. forabove ground drainage.This is often effective,particularly Anotheraspect ofdrainage in Morelandisthe use of rights way of 10 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Major & Minor Drainage Systems Drainage Minor & Major Minor Major maintenance andrenewal of the existing drainagesystem. Inrole its asthe local drainage authority, Council isresponsible for exceptionof the larger pipes and creeks. (supportingcatchments up to hectares 60 in area) with the Councilprimarily controlsthe stormwaterdrainage system, 4.4 standards design minor & major – Possible 3 Diagram year. otherwords, this storm event has 20% a chance of occurring every Melbourne,has chance a occurring of once everyyears 5 inor accepted standardfor minor drainage systemsin metropolitan (Average RecurrenceInterval) storm event, which is generally a frequencywith whichoccurs,it for example, 1 a 5 in yearARI rainstorm. This design rainstorm isdiscussed in terms of the withthe runoff fromupstorms to predetermined a designed Accordingly,drainage systems are designed to be ableto cope quantityof waterrunoff also varies from oneoccasion to another. Rainstormsvary in intensityand duration and therefore the 4.6 thatpass throughMoreland. Merri, MooneePonds, Edgars, Westbreen andMerlynston Creeks Melbourne Wateris also responsiblefor the management ofthe andmaintaining 32kmsof main trunk drains withinMoreland. supporting catchmentsgreater than 60 hectares)and operating managingregional drainage andflood mitigation (generally managementauthority forthe Melbourne area. It isresponsible for Melbourne Wateris regionalthe drainage and floodplain 4.5 assessment,building permit assessmentand locallaws. administeringdevelopment control throughplanning permit Councilisalso responsible for undertakingforward planning and Council’s Role Council’s Drainage Standards Drainage Role Water’s Melbourne

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY withan ‘escape route’ in mind. themunicipality asmost existingsystems have not been designed Unfortunately, thisis more common in olderdeveloped areas of privateproperty, and occasionally, buildingsthe as well. paths. If not plannedcorrectly, that route may well be through capacityis exceeded,the stormwater runoff will seek other flow Therefore, systemsall have a finite flow capacityand once that Alldrainage systems are designed a for definedfrequency. 4.8 durationand frequency that will occurfor any particular location. Thedesign process mustuse judgmentassess to the typical storm local creek to riseand have broader scaleflooding problems. localisedflooding of a fewhouses, whereas the latter causemay a existingdrainage downstream.The former is likelyto cause dependingon the size of catchmentthe and the natureof the lasts for24 hours. Either may, in fact, cause floodingproblems producedifferent a runoffoutcome than a 15 in yearstorm that Thisrecognises that a 1 in year 5 stormthat lasts forhour 1 will 4.7 standards design Drainage 1– Table VicRoadsRoad Design Guidelines, Part Drainage. 7 based onthe Australian Rainfall and Runoff Guidelines and the accordancewith the design criteria Table in These 1. criteria are Newdrainage infrastructurewithin Morelandisprovided in and correspondingcost. expectedstorm, and the largerthe drainage pipe sizes required Thegreater the frequency interval, the greaterthe intensity of the pipesincluding the larger maindrains that run to creeks.the would beprohibitively expensive to consider replacing existing overall capacity ofthe system to cater the for increased flows as it system. Ingeneral, therelittle thatis canbe done to increase the furtherreduces servicethe level provided by the existingdrainage impermeabilityand thus the amount of stormwater runoff.This developmentis also havingan impact ofincreasing the Inaddition, the urbanconsolidation involving multi-unit RoadReserves OverlandFlow Commercial/ Residential Industrial Business Districts Central Areas Paths Area MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Impact of Drainage Design on our Daily Life Daily our on Design Drainage of Impact Duration Storm D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc 1 1 10 in year ARI 1 10 in year ARI 1 5 in year ARI 1 1 100 in year 1 100 in year Frequency Storm ARI ARI in Any Given Year Given Any in Storm Occurring Storm Probability of Probability 10% 10% 20% 1% 1% complicationof utilityservices, which are buried in the road That, however,expensive is andoften has additionalthe satisfactorysolution for is the reconstructionthe of road. road inappropriateto act a majoras flow path, generallythe only of Wherestormwater flows are considerableand the shape ofthe capable is that roads of layout it importantly carrying all flows thatthe sympathetic underground drainage system cannot. Most a channel. of and kerb consists the of capacity the and layout the both through roads the into built is path flow major The yearARI is managed by majorthe flow paths. establishingthat the consequencesstorm of events of in 1 100 thislevel of service, greateremphasis is therefore placed on Asthe underground drainagesystem in Moreland does not cover any givenyear) maybeconsidered as flood prone. events of 1100 in yearARI (ie. Has a 1% chanceof occurring in theinsurance industry. general, In property affected storm by definitionof ‘flood prone’as accepted by Local Government and Thefinal impact of the provision of drainage services inlies the detentionsystems at the oftime development. densitiesis requesting by developersto provideon site water Onecommon method of trying to minimise impact the of higher the pavementthat are close tothe surface.

11 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Diagram 4 – Distribution of pit types in drainage network drainage in types pit of – Distribution 4 Diagram 2005 June at 30 as values stock asset Drainage 2– Table of 509kms worth approximately pits drainage 17,700 maintains and approximately $122 million pipes and drainage underground owns Council 5.1 5. June 2005. 5

These values are based on Council’s Asset Valuations as at 30 at as Valuations Asset Council’s on based are values These  12 Current Position Number PollutantTraps DrainagePits

BoxCulverts MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Asset Type Asset Drainage 10,000 Retarding DistributionPitof Types Morelandin Underground Drainage Asset Stock Asset Drainage Underground 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 Basins Pipes Gross Total 0 S E P

G

P Quantity 17,704 25 5 0 JP . Pit Type

C Pollutant Gross – GPT Pit Concealed – CP Pit Junction – JP Pit Grated – GP Pit Entry Side – SEP P 509,689 Length

G 1,864 P (m) T Replacement $121,612,078 $25,151,051 $95,056,032 $538,318 $866,228 Cost $0

dependingon a rangefactors: of condition, varying in now are as They built. were suburbs original time the same the at constructed first were assets these of Many network in drainage sizes pipe of – Distribution 5 Diagram about 90% upto date. Register.It estimated is that Council’s DrainageAsset Register is Table isrecorded 2 and stored Council’s in Drainage Asset constructeddates andcondition of the drainageassets specified in Allinformation pertaining location, to type, sizes, materials, known 5.3 life useful expected to compared stock assets drainage of age – Average 6 Diagram 5.2    Years  100 en mjr cenn, cern, rhbltto, even rehabilitation, clearing, cleaning, major have (some maintained been seen have assets the well How Thestandards applicable at the time of construction. Glenroy Fawknerand the in 1950s). 1880s, Coburgand PascoetheVale in the1920s 1940s,and to in Brunswick of (much built originally were they When The environment surrounding the drainage assets (eg: in the vicinity oflarge trees). (eg: assets drainage the surrounding environment The reconstructionwork, others little work sincebeing built). 20 40 60 80 AverageDrainageofAge Assets Vs. Distribution of Pipe Sizes in Moreland 0 Drainage Information Management Information Drainage Assets Drainage Council’s of Age

Pipes Lenght (Km)

1 100 150 200 250

5 50

0 0 - 3 2 126 ExpectedLife 0 7 0 5 - 4 4 Pipe Diameter (mm) Pits

2 0 213 5 0 - 6 5 0 7

0 5 71 1 0 -

Culverts 9 0 7 0 5 74 1 - 1 Expected Life Average Age 8 0 7

0 5 21 - 0 1 Litter Traps 9 7 5 5

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY hr r ay raos wy eitn riae assets drainage existing reasonsfor failure are the following: performance why current meet common most the Among expectations. reasons community not and standards do therefore many and fail/deteriorate are There on impacts downstream and liability Council andMelbourne Water drains and waterways. legal also include and can affordability failures drainage of of consequences The failure. context asset of risk the the minimise in wants, community service the of level the maintain to endeavour to data this utilise can assets,Council Council’s affect that typesdistresses various the of and assets drainage Council’s of condition the understanding By Assets Drainage 5.4 accurate. DrainageAsset Register, which is linked to the will GIS, be99.9% inspectionsare undertakenand processes documented that the Itisenvisaged that over nextthe five years as additional detailed roadpavement. couldbe verified as over time,they have been buried under the notbuilt out in thefield) and because not all locations pit and types pastconstruction practices(what was specified onthe plans was Council amalgamations,poor past recordkeeping practices, poor drawings,incomplete drawings as result ofa lost records during exist because ofpast practices of constructingassets without 100% complete and that discrepancies exist.These discrepancies Council acknowledgesthat its Drainage Asset Register is not constructed. DrainageAsset Register to reflect the drainage networkas assetsand where appropriate, changeswere made to Council walking theentire municipality to visually identify drainage all verify drainageall pits and pipes on site. This exercise involved Following onfrom this exercise, consultants were engagedto Corporate GeographicalInformation System (GIS). into a centraldata register,which was spatiallylinked, to a alldata from availableconstruction plans/drawings was entered In1996, Council undertook an extensive desktop exercise where 

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY h aea o h eoe cnrle a los an allows car controlled remote kept be can that video the onto images the record to inspector on camera The drainage pipe. the inside camera a with fitted car, a controlled remote sending small by out carried is inspection camera CCTV The out rectificationworks remove to the pipe conduits. carry they that requests and authoritiesservice relevant the to writes Council detected, are these as such cases When generally conduits These have obstruct debris in the pipesystem causing toit block. the pipes. audits through drainage running (CCTV) underground conduits authority Television service Circuit revealed / Closed Many installing road Council’s when within authorities infrastructure reservation. service their constructing by Damage Present Condition of Council’s Underground Underground Council’s of Condition Present D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc representCouncil’s entire network. dataand determined an by experienced consultant in this area, to statisticalcalculation that was based on percentage a of audited networkcondition ofdrainage its assets hasbeen based on a Councilacknowledges thatthe method used to ascertain the stock asset drainage of consumed life useful – Average m 7 life. useful their of 60% consumed have pits and pipes our average below,on shown as basis, network a were On chart. assets barometer condition drainage 2004, the in 7 diagram in shown in as condition average in be to estimated network drainage Council’s of sample a on out carriedinspections and conditionaudits on Based Culverts     Pipes GPTs Pits drainage system. Also house-hold and street debris over debris street and house-hold underground Also the system. enter drainage to rubble and sites; concrete building soil, some allow from pits and pipes the of Blockage the as underlying pitstructure theand shallowpipes. well as grates and lids carrying pit in like assets drainage surface load the growth heavy on impact structural invariable an and has This The trucks. garbage Trucks loads. Twin-Axle B-doubles, traffic of number increasing an to led to has industry transportation due Cracking or damage structural permanent blockage in many instances. causing joint, pipe the at or pipes cracked entering water for searching roots Tree alignment, constructed original becomingdisjointed. their drainage from underground move the to cause pipes generally can the soil of movement provides sub The content. moisture in and contractchanges and with expand and reactive highly defects are which basalticclays, are municipality the covers within soils predominant The that photographs. report a incorporates and written images the viewing while inspection visual a undertakes unit mobile a inside sitting TV usually unit, a on images the views is who inspector the internally, pipe the up moves camera the As record. permanent a as timecan contribute to blockage ofthe pipes andpits. Network Condition Remaining - Life of 0% 20% Drainage Assets 40% 60% 80% Life Consumed Remaining Life 100% Diagra

13 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Thespecific drainage issues within the CityMoreland of are: suburbs. particulardrainage issues that are encounterednot in newer old,with some drainsdating back to the 1850s. This presents developed andparts ofthe drainage networks are considerably Many the of catchments within the Cityof Moreland heavily are 5.5 butt joints, whichalso affects the pipesperformance. displacement andtree roots entering the pipes through cracks or performanceor poorstructural condition as aresult of pipe typicallyone of blockage the in pipe affecting the pipe’s Thegeneral observation asidentified by the auditsCCTV is Council’sDrainage Asset Register. thecondition data pertaining tothese assets has been updated in observedwith thedrainage performance. Where this has occurred, audits overtime response in to problems reported by residents or Inaddition, Council has undertakenadditional CCTV condition conditionand performance of drainagethe pipe network. continually updatedto ensure clearer a understanding the of available, the conditiondata in the Drainage AssetRegister will be Asinformation from theseCCTV condition auditsbecomes undergrounddrainage pipe network a on two yearly basis. undertakevisual condition audits of a percentage of its Council hashowever, commenced program a in 2004,to entire drainage network. undertakeextensive CCTVvisual condition assessments the for Council doesnot have the available financial resourcesrequired to exercise ofundertaking CCTV inspections is costly a one and Dueto the extensivenetwork of Council owned drainage pipes the difficult to determinewithout the assistance of CCTV technology. ground,and a visual assessment ofthe drainage pipe network is due tothe fact that drainagethe pipes buried are below the Thisstatistical samplingis recognised a andwidely used method, 14       MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Drainage Issues in Moreland in Issues Drainage Dateddrainage network wasdesigned to cater for just a 1 1 in year stormevent. Undercapacitydrainage leadsto higher a level of nuisance flows. Notall properties discharge toa drainage system constructedoverland in flowpaths. Asresult a development, of some propertieshave been Some overland flowpathspass through private property drainagenetwork. demandon many sections of already the undercapacity developmentwithin many partsof citythe increases the High levelof development retardingbasins overlandor flowpaths. areas ofMoreland makes isit difficultto establish Limitedspace life andwill need replacing over the next 25 years. drainagenetwork have reachedthe end of their expected – the high densityof development in many some of - the earlierdrainage – some componentsof the - highthe level of – – this - Thedark blue shadedareas on the diagram representMelbourne Inundation Overlay, identified as by Melbourne Water. (Council)and Special Building Overlayand Land Subjectto partof the capacity analysisand named Land Subject to Flooding areas that havebeen identified as subjectto possible floodingas Diagram8 onthe following page provides an illustration ofthe Theobjectives of the study were to: networkwithin municipality.the consultant undertake to a capacityanalysis the of drainage In 2002,Council commissioned the services of an engineering 5.6 byCouncil. overlay This been has identified and mappedby the undercapacityof the drainage infrastructure owned andmaintained could flow during majorstorm events (1 100 in year ARI), due to i.e.paths along Councilthe drainage systemwhere floodwaters Floodingoverlay, which represent probableoverland flow paths, Thelight blue shaded areasreflect Council’sLand Subject to designated areas. assessing planningapplications construct to withinthese MorelandCity Council must consult with Melbourne Water when theplanning system asthe referral authority.This means that thegreater Melbourne area, thereforeplays animportant role in Melbourne Waterbeing the flood plain management authority for localplanning policies. Policy Framework,including the Municipal Strategic Statement and theState Planning Policy Framework and the Local Planning PlanningScheme Map and assistlocal authoritiesto implement TheseMelbourne Water overlayshave beenincluded the in State banks and overflowsto the adjacent land. stormwater enteringthe creekrises above the level of the creeks waterwaysbeing the creeks and will typically flood when events.These areas are typicallyland adjacent to the natural storageor floodfringe areas and affected inby 1 100 year storm acknowledgedby Melbourne Water as land locatedin flood Subject to InundationOverlay identifies areas that have been Melbourne Land Water’s Subjectto Inundation Overlay. TheLand Themedium blue shaded areas on the diagramrepresent Melbourne Water. undercapacitydrainage infrastructure owned and maintained by during stormevents 1 of 100 in year capacity, due to Watersubject as to possibleflood inundation by overlandflows identifiesurban areas thathave been acknowledged by Melbourne Water’sSpecial Building Overlay. The Special Building Overlay 2. 1.   Land Subject to Flooding - Overlays in Moreland in Overlays - Flooding to Subject Land besubjected to overland flows. Identifyall areasCouncil’s in drainage system that may Identifydeficiencies Council’s in drainage system. MorelandCity Council. Coburg,Brunswick Broadmeadowsand to create becameeven more evident following the merging of Inconsistent drainagestandards throughout citythe Council’s drainagesystem. Corporationdrains Limitedcapacity of downstreamMelbourne Water – hence limiting the capacity of –

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY these designatedareas. 1994when assessing planningapplications toconstruct within surveyorsto ensure compliancewith the Building Regulations Act Overlayto ensurethat they are available to privatebuilding incorporatedinto Council’s PlanningScheme a as Special Building Theselight blue shadedareas shown in diagram 8could alsobe problemlocations. studying mapsand undertaking calculations to identifydrainage based onthe consultant visiting each street the in municipality, engineeringconsultant who undertookthe capacity analysis and is

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc at least300 mm above the 100 year ARI flood level. be will level floor finished the that requirement future the with comply to any that need require would approval, granted being to would prior development building this Scheme Planning into Council’s overlay Flooding to Subject Land Council’s incorporating By

15 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY 16 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Diagram 8 – Map of probable areas in Moreland subject to flooding to subject Moreland in areas probable of – Map 8 Diagram

N

MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc as such features other and drainage capacity, the in planning approval process. design, drainage the considers then Council drainage. the of use of surfacesaccounttake into features site andlevelthe and pavement proposed the that so developments, these in drainage for standards design sets Council new extensive more and Pentridge Estate. estate and Gowanbrae the as School, such developments Oak High as such Park sites school former of development the Brunswick, are in Street) These (Victoria Terrace Victoria time. some for as such projects density medium new with occurring seen have we than constructed being drains and currently roads new Council more has re-development, city inner construction. With the then and design first - processes distinct two involves drainage new a of creation The Construction and Design -Initial 5.8 Therefore, address provisionthe of service at tiers.three levels. service providing in drainagewillits service Council of levels defined are for that assets adequate providing on based is DAMS The Delivery 5.7     o o o o o o Managing the Provision of Service Service of Provision the Managing New Underground Drainage Assets Drainage Underground New assets new for construction and design Initial eeas o prds fr assets for Upgrades potential service their beyond or Renewals assets forbuilt maintenance Periodic built assets for maintenance routine Ongoing f w rvd e drainage of new level the a is provide what infrastructure, we If new a newdesigns? of features our in included be will key that asset drainage the are What required standards? meets it that ensure to assetupgraded an of feature and shape physical the is What drainage renew infrastructure? we will why and When our drainageassets? of life the extend to basis pro-active a on undertake we will activities periodic What serviceable? andsafe asset the keep provideto will we maintenance minimumof thelevelis what constructed, is asset drainage the Once condition as aminimum? andcapacity of level adequacy, functional ses oni drse h ear and repairs the addresses defined of basis the on Council faults these of maintenance assets. drainage the with occur can faults minor time, Over 5.9 underground chargeschemes. the special drainage implementing of or system drainage works improvement capital undertakes it when Technotes the uses also Council and ownership for Council maintenancefor the remainderof their usefullife. to over hands 12- assets developer a these the after period, and maintenance completed month are works the When to compliance ensure to Council’sspecifications. works the supervises staff Council Council. by approved and contractors their and developers the by built are developments new for required assets ancillary other and culverts pits, pipes, as such infrastructure drainage called new All specifications, its drainagepipes and pits. apply Technotes will Council comply with standards. Council to constructed be to are assets new how detail that 6 problemsto another part ofthe street. rather thansimply transferring the drainage repair ofa smallsolvessection immediate problems, pipe replacement.However, this is onlyappropriate ifthe programmed Occasionally, shortsections of pipesmay require periodic clearing, enhancementsand programmed pit upgrades. Typically, the inspection, programmed pit of programmed rebuilding involves full maintenance infrastructure. the involve drainage not does maintenance, routine but than extensive more is This 5.10 are times response and containedin Council’s DAMP. levels intervention The to Council expect remedythe can defect. residents frame the time which reasonable within a service. defines time of Response level acceptable asset reachesthis point. drainage an the as soon as scheduled is Maintenance below be to considered is asset the which at time in point the i.e. component, asset an with associated level risk or state condition, the defines level intervention The interventionlevels andresponse times.

The Moreland Technotes is a set of specifications of set a is Technotes Moreland The Routine Maintenance Routine Periodic Maintenance Periodic 6 o ein ad cntuto f new of construction and design for , 18 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY systemand ending up receiving in waterways. towards reducing pollutantsentering stormwater the generationsto meet their own needs. Working withoutcompromising abilitythe future of Sustainable ondefined levelsof service. based andrequirements, flow the capacity manage to the adequacy has that infrastructure drainage Serviceability it backits to original state. bring to action remedial or preventative requires Condition Index Priority = +Sustainability +Serviceability Condition formula: drainage assetswill take into account the following It isenvisaged that Council’s prioritisation index for and fine-tunedthe in DAMP. drainage renewalprogram will be further developed Theframework with which Council will prioritiseits Program Improvement 5.13 in contained Guidelines’. Collection is Thetypical items that be will assessed are: Data ‘Drainage assessment Council’s and of scope future methodology The assessments. the and audits such describe of programmes will DAMP The 5.12 are times response and containedCouncil’s in DAMP. levels intervention life The a have will and - new” as expectancy equivalent toa new drainage. good “as is that asset drainage a in results reconstruction Generally, and usethe of fibre glass pit lids. will Council maintainability, 900x600mm of sizepitminimum a of In use the ensure enhance drainage costs. to lowers the which addition, of retained, rehabilitation be some may possible, assets street Where of during part works. also upgrades or is It old Council’s pits. of and replacement pipes the malfunctioning involves it Typically, works. drainage of form extensive most the is This 5.11 containedCouncil’s in DAMP. Theintervention levels and response aretimes 3. 2. 1. Renewal and Upgrade Works Upgrade and Renewal Prioritisation of the Drainage Drainage the of Prioritisation Assets Drainage Inspecting Structural condition of pitthe Capacity ratingof the pipe Structural condition of pipethe = Deteriorated/failed drainage asset that asset drainage Deteriorated/failed = =Meeting the needs of the present rvso f ft fr purpose for fit of Provision = Traps. beenprogressively installingthese GrossPollutant variousstrategic locations. Since 2001, Council has ManagementPlanto install Gross Pollutant Trapsat hasestablished priorities through the Stormwater isthe installationGross of Pollutant Traps. Council ManagementPlanand directly linkedto the DAMS Oneof the mainactions identified the by Stormwater receivingwaterways. enteringthe stormwater systemand ending up in undertakensignificant initiatives to reducepollutants ManagementPlan, MorelandCity Councilhas Since implementationthe Council’s of Stormwater off. downstream waterways that receivestormwater run- municipality,thereby protecting local and framework protect to stormwater qualitythrough the ManagementPlanin 2001, to providea strategic Moreland CityCouncil adopted Stormwater a 5.14 Management of Stormwater Quality Stormwater of Management MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc aimsto: attain To thisvision in followingthe 5 years, Council 6.2 onreasonable standards and response times. based repaired and maintained is that infrastructure per Responsive as residents all by accessed Council’sservice standards. be can that Accessible DrainageAsset ManagementPlan. our in monitored and defined contained as service on of levels based requirements, flow the manage environmentally to adequacy and capacity the has that infrastructure bring Appropriate assets the sustainable. future includes This of waterways. Working receiving in up ending and needs. system ability own stormwater their the entering pollutants reducing towards meet the to generations compromising without Sustainable the upto the currentstandard. keep to are vision drainskeep clear, the drains working them bring and this of outcomes key are The assets drainage tothe community. Council’s responsive and accessible appropriate, sustainable, that Ensure 6.1 6. Future Vision & Goals       Drainage Vision Drainage Five-Year Goals Five-Year drainage system. raisingfunds the for upgrade of the Put place in alternative mechanisms for prioritisedprogram of works. systemto adoptedstandards with a Develop plan a to upgrade thedrainage the drainsare for fit use. renewal maintenanceand to ensure that Progressivelyincrease fundingfor capital clearof obstructions. a targetedprogram to keepthese paths Review overlandall flow paths and develop program,once annually. Continuewith proactive pit cleansing yearperiod to keep the drains clear. flush drainageall pipes overa two to three Develop anon-going proactive program to rvso f dang infrastructure drainage of Provision – etn h ed f te present the of needs the Meeting – rvso f ft fr ue drainage use for fit of Provision – – Provision of fit for purpose drainage purpose for fit of Provision – In the nextyears, 20 Council aimsto: 6.3 theDAMS. determiningthe actionsplans fundingand needs for Thesegoals arethe fundamentalbasis of        Twenty Year Goals Twenty Have newall development meet100% on- pipeswithin the municipality. Upgradeat least30% of under-capacity information. offeringresidents discounts and ofrainwater tanks in the municipalityby Continueto encourage the use/installation Scheme. (STEPS)into the Moreland Planning EnvironmentalPerformance Strategy incorporatethe SustainableTools for PreparePlanning a Scheme Amendment to damage. typethat are locatedareas in high-risk of of Upgradepit withlids fibreglass material damage. maintainableand areas in of high-risk of Upgradeat least50% of pits that areun- surfaceareas. Reducewhere appropriateimpermeable requires75% on-site treatment). under STEPSthe program (currently sitetreatment for stormwater management 20 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY spent each year on new or renewal capital works capital currently renewal including grantsavailable to Council. amount or new the on lists year each also spent table The June drainage 30 2005. at key as values Council’s depreciation annual lists assets, table following The provision gapsare. asset long-term a perspectivealsoand assess to objectivelywhere the from enough doing be may Moreland if test to drainage opportunity an provides the to relating data Council to reportedinformation the and size network the of analysis An to developaverage funding scenarios. However, characteristics consumption an needs. the utilises funding be Council short-term not of may indicator profiles consumption that acknowledges long-term Financial Council International Standards, new Reporting In the infrastructure. with asset accordance the of long-term the rates determine government consumption to is depreciation Accounting this local of annual Australian the to fundamental The assets.depreciationits purpose of on reports now Council with applicable infrastructure, accordance Standards, In Replacement Asset Vs. Consumption 7.1 1880s around2050. the and 2020s 1980s, the in reconstruction for demands in development Fawkner)Glenroy, Vale, significant-which resultsin (Pascoe 1945-60 urban and (Coburg) 1920s (Brunswick), of saw area The good bursts – critical is with situation Moreland The Even last generally forever. will between60-100 years. assets lasts drainage maintenance, asset No 7. Gap Analysis Are We Doing Enough? - Asset Asset - Enough? Doing We Are Component LitterTraps (Renewal) (Renewal) (Upgrade) 2005 versus average actual capital works expenditure expenditure works capital actual average versus 2005 June 30 at as depreciation asset Drainage 3 – Table Report for the Office of Local Report Local Government for Office ofthe 7 indeed community’s expectations. are the commensurate with is that level a to Moreland in method system drainage underground depreciation the bring to required the through calculated those to similar funding of levels the that poor underground observed performance the our of drainagenumerous in areas, confirm with coupled of system drainage assessment condition The the funding between the shortfall and available. renewal, big drainage many a for future, demands face near Local the will in of councils that Office found report the This for Victoria. in Councils all of funding report and requirements 1998 A in Government them. pay for to funds the and demands replacement asset between shortfall a facing in alone not is Moreland itsannual drainage depreciation. funding been not Council services that demonstrates 3 table of range available, are the that funds limited and delivers Council consideration into Taking Drainage Drainage Drainage Culverts

P. Burns et al al et Burns P. Totals (New) (New) Pipes Pipes Pits Depreciation per Annum per $1,219,710 Facing the Renewal Challenge Renewal the Facing $251,515 $950,560 $8,972 $8,662 - 7 tde h infrastructure the studied $541,942 $156,500 $240,000 Average Funding $77,328 $66,107 Capital Actual $2,007 (July 1998) (July Depreciation % of Asset of % Renewal Through Funded Capital 62% 25% N/A - - - MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY % Within Condition

% of drainage 10.00 12.00 14.00 16.00 18.00 20.00 0.00 2.00 4.00 6.00 8.00 asset D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc worse. Council’sand pit pipe assets are a at condition 5 or worst,the above graph indicates that45.67% of On condition a scaleof to 0 10 with being 10 the states condition various in assets drainage of distribution – Condition 9 Diagram Council’s Visionstatement. with accordance in services appropriate need service a thatassets in such conditions are not ableto provide on based is This states. condition poor very or poor in are that assets required those renewing injection capital immediate estimated the as defined, is gap infrastructure drainage Council’s 7.2 18.71 0 Condition Score at which Councilwill Replace Pit orPipe 0.32 PRESENTCONDITION DISTRIBUTIONBY % OF ASSET BASE 1 Projected Drainage Renewal Gap Renewal Drainage Projected 1.95 2 14.43 Condition Score 3 18.93 4 7.48 5 9.65 6 12.83 7 7.73 8 7.98 9 0.00 10 peryear from 2006to 2011. a condition scoreof $845,00010. will be required years torenew pipeall and pit assetsthat will reach inthe order $19 of million dollars over the next 20 Diagram 10indicates that Council require will funds expenditure drainage renewal capital predicted annual year – 20 10 Diagram conditionstate 10. twentyyears, 11% of the pipe network will bein perannum) for pipethe network, at the end of historicalcapital funding renewal patterns ($240,000 Diagram 11indicates that basedon current and levels funding capital on current based pipes drainage of of condition prediction year – 20 11 Diagram $1,000,000 $1,200,000 $100,000 $150,000 $200,000 $250,000 $300,000 $200,000 $400,000 $600,000 $800,000 $50,000 2006-2011 2006-2011 ProfileVs. Predicted Extent Assetof 20 Year Predicted Capital Expenditure Assets that Reach Condition Score of $0 $0 Year20 Pipe Capital Expenditure BaseReachingCondition Score10 Profile Required to Treat Pipe & Pit 1 2011-2016 2011-2016 1 Reaching Condition ScorePredicted 10 % of Asset Base Current Forecasted Expenditure 2 2 10 2016-2021 2016-2021 3 3 4 2021-2026 2021-2026 4 0% 2% 4% 6% 8% 10% 12% 22 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY Diagram 13 – 20 year predicted capital funding gaps funding capital predicted year – 20 13 Diagram that will bein condition state 10. With17,704 drainage pits, that equates to 531pits network pit will be condition in state 10. the network, pit at the end of twentyyears, 3% of the historicalfunding patterns ($156,000 perannum) for Diagram 12 indicates that basedoncurrent and levels funding capital current on based pits of drainage condition of prediction year – 20 12 Diagram score10. equates to 56kmof pipesthat will be in condition With509.7km of undergrounddrainage pipes, that $100,000 $120,000 $140,000 $160,000 $180,000 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000 $20,000 $40,000 $60,000 $80,000 2006-2011 2006-2011 $0 $0 20Year Pit Capital Expenditure BetweenRequired and Proposed AssetBase ReachingCondition ProfileVs. Predicted Extent of 20Year Predicted Funding Gap CapitalRenewal Expenditure 1 1 Reaching Condition ScorePredicted 10 of% Asset Base Current Forecasted Expenditure 2011-2016 2011-2016 2 Score10 2 2016-2021 2016-2021 3 3 4 4 2021-2026 2021-2026 0.5% 1.0% 1.5% 2.0% 2.5% 3.0% 3.5% 0.0%

It should benoted that the drainage system and The objectivesof the study were to: municipality. analysisof drainagethe network within the engineeringconsultant to undertake a capacity In2002, Council commissioned the servicesof an 7.3 year. havean annual drainageasset gap of $475,000per $11,125,00.Between 2006 and 2011,Council will willhave an asset backlog the in order of andpit network,at the end of twentyyears, Council historicalfunding patterns for renewalthe of the pipe Diagram 13indicates that basedon current and developmentdensities and community expectations. thereforerelated to changing standards, upgradedrains within Moreland City Council is bemet. The study identifiedthat the need to wherethe drainageperformance objectives may not identifiedlocations on the Council drainage system studiedusing a RiskAssessment methodologythat Allthe of catchments Moreland in City Councilwere needs and expectationsof local residents. throughout Melbourneno longerreflect growing the conditionsand design standards,drainage networks yearARI flow. As aresult of thesechanged MMBWdrains were designed one for third of the 10 Duringthe Depressionand World many War 2 of the tenyear ARI flow (approximately 3 yeara ARI flow). drains weretypically designed two for thirds of the Melbourne MetropolitanBoard of Works (MMBW) infrastructure. exampleFor priorto the 1960s the developmentalso affected the standards of urban Economicconditions the at time of urban a need to reviewand upgradedrainage standards. recordedrainfall intensities have also contributed to Increasesin density ofurban development and majorityof this time. werenot practices that were adoptedduring the subdivisions match to the topography of the area major storms(eg. 100 year ARI floods)and planning industrystandards. Consideration flooding of in andthe design of urban areas varied from current overa long period in whichcommunity expectations subdivisionallayout in Moreland were developed 2. 1. Projected Upgrade Gap Upgrade Projected development in theseareas. flowand provide guidelines on controls on systemthat may be subject to overland Identifyall areasCouncil’s in drainage theplanning scheme. future land use development identifiedin systembased on existing conditions and Identifydeficiencies the in Council drainage MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc industry standard rates runoff, of in 1 5 ARI). conditions(ie. upgrade works based oncurrent futureland use or $28 millionbased on existing works onthe Council drainagesystem based on identified$38.6 million of drainage improvement problems in MorelandCity Council and has Thehasstudy identified likelydrainage capacity 24 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY 8.3 8.2 8.1 vision, will that its DAMP a achieve deliverthe following actions identifiedthe in adopt DAMS. and will prepare Council will Council that ensure To standard. to up them bring and working drains the keep clear, drains visionthe to keep this is outcomes The key of are tothe community’. assets drainage responsive Council’s and accessible appropriate, sustainable, that ‘Ensure to is vision Council’s 5, Section in outlined previously As 8. Strategies and Actions            Flood Mitigation Actions Mitigation Flood Actions Condition Network Actions Maintenance systemsand prioritise theseareas to Identifyall areas not serviced by drainage program. implementa pro-active capacity upgrade are most likelyto be affected byandstorms Develop criticality a rating for locations that clearof obstructions. a targetedprogram to keepthese paths Review overlandall flow paths and develop high-risk areas. ten yearsthat areun-maintainable and in Upgradeat least 50% ofpits within the next years. the database upto 100% within nextthe 5 Council’sDrainage AssetRegister tobring Progressivelyfine-tune and update inspections pit and pipe flushing work. conditiondata from the CCTVinspections, CorporateGIS is regularly updatedwith Council’sDrainage AssetRegister and Documentprocesses to ensure that assets. basis, toidentify the condition ofthese systemnetwork on a two yearly cyclic sampleof the underground drainage ProactivelyCCTV inspect random a key locations ofrisk and high maintenance. Upgrade pit withlids Fibreglass typeall on periodto keepthe drains clear. flush drainageall pipes overa two-year Develop anon-going proactive program to todetermine pipe condition. Councilpipes. Utilise thiscombination unit Unit’undertake to proactive cleansing of all Implement thepurchase of ‘Combination a municipality,once annually. cleaning programfor all pits within the Continuewith the proactiveinspection and 8.4           Design Standard Actions Standard Design inclusion ofmaintainability factors. Council beundertaken with a comprehensive upgradesof existing drainage assetswill Designof new drainageassets and 1 100 in years ARI. overlandflow paths duringstorm events of meetthe currentcriteria be to able to actas roads ownedand maintained by them, Advocateto VicRoads to ensure thatall years ARI. flowpaths duringstorm events of in 1 100 currentcriteria to be ableto act as overland thatall roads when reconstructed meet the Reviewroad design standardsto ensure inCouncil’s DAMP. implementation.This plan will beincluded programof worksand begin adoptedstandards with a prioritised capacitypipes within the municipality to Develop a plan toupgrade 30%of under- constructdrainage. participate a in special charge schemeto proactively approachproperty ownersto water sensitive urbandesign. implementation ofrainwater tanks and Councilencourage the use and/or permeable surfaces. works,explore optionsof increasing When undertakingroad reconstruction for1 in 100 year ARIevents.storm roadway profile,where practicalwill cater works,ensure that the reconstructed When undertakingroad reconstruction footpathrenewal program. opportunitiesexist, in conjunction with the thewidth of impervious surfaces where Develop a footpath pavingpolicy to reduce 2001. Systems,Section 56.09 ofthe ResCode linewith the provisions ofDrainage required,revised to ensure that they are in- drainage assets will bereviewed and if Council’sstandard drawings regarding roadway. practicable,shall be locatedout of the Allfuture drains and pits,where parkedcars urban in areas. productof ‘maintainability’,particularly with nature.The location ofpits is also a pitsand pit lids that be will permanent in requireswell-designed access points, wider effectively cleanand maintain them.This a mannerthat maintenance staff can andtherefore needto be designed in such bemaintained thorough their useful lives recognises that pits pipesand will haveto MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc Actions 8.7 8.6 Actions Protection 8.5               Water Quality and Environmental Environmental and Quality Water Land Use Planning and Development Development and Planning Use Land Actions Sustainability constructionsites. management on privatebuilding and Develop guidelinesto address stormwater and retarding basins. Waterof joint projects suchas wetlands Explore possibleoptions with Melbourne identified. grosspollutants entering the creeks are Pollutant Traps,where known locations of Continuewith the installation of Gross thatdischarge debris intothe system. pipeblockages caused building by sites locallegal system fostersthe reduction of Review Council’s LocalLaws to theensure funddrainage upgrades andwater collectedfrom developers would used be to (DevelopmentContributions Plan). Funds InfrastructureContributions Plan Explore theoption of introducing an ofnew drainage assets. construction during enforcement Law Local and Urban supervision proactive more Introduce the water in waterways.the of from quality improve to system drainage the grants upgrade to Fund Conservation Stormwater for an Apply of areas affected Moreland. worst provide the in drainage undercapacity of issues address to will Water Melbourne from funds additional for Lobby drainage that the intergenerationalbenefit to the community. of areas network high-risk the of renewal the for options borrowing Explore the whererequired. for prepared infrastructuredrainage new of forprovision the pay owners property be where schemes, will charge special drainage of implementation policy A new of schemes. provision charge special implementing the by drainage, for for funds mechanisms raising alternative place in Put calculate the priority ofprojects the in DAMP. to required criteria the Develop the toensure that the drains are kept working. maintenance and renewal capital for levels during identified required the to funding Increase supervision constructionof new drainage assets. effective by contractor failures short-term Reduce 8.8 a)   d) c) b) Education and Awareness Actions Awareness and Education theirstormwater discharges to an identified Residents shouldensure that atall times floodingevents. For example: riskand/or consequence ofpotential what actions canthey take to alleviate the drainage issues that Councilfaces and areas Moreland of as to the various informthe residents the in flood affected Implement education an campaign to Councilofficers. inundationfor viewing anduse relevant by identifiedas posing critical risk/subjected to UpdateCouncil’s GIS System with areas   area. sensitive urban designwithin the local thedrainage networkand the waterways. theamount of litter and pollutants entering What stepsresidents can take to minimise drainage issues; ChargeSchemes to fund the resolutionof Benefitsof Council implementing Special options; approachMelbourne Waterto discuss their inundationshould be encouragedto Melbourne Wateras subjected to Residents livingareas in identified by CouncilLegal Point of Discharge; toget aplan readyfor exhibition. produce to the do calculations required will approximatelytake 12 months to Thedevelopment of contribution a plan developmentand the proposedworks. todevelop nexus a between the upgradesin local area. Councilintends would beused to funddrainage Fundscollected from developers 26 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc into takes 2004) (May Plan Resource Strategic the in documented as consideration CPI a increase of 3%per model annum till 2008/09. financial term long Council’s need be to reviewed once the revisedStrategic Resource Plan is developed for these financialyears. will figures forward 4-year The Plan. Resource Strategic 4-Year a has only Council as program works capital the expenditurebethe allocatedwill uncertainty to 2008/09 that to Beyond level financialNB: of a as the year, thereis Expenditure Capital Expansion and New Drainage Proposed 5 – Table Council’s traps, pollutant gross as such works for required as allocated contribution tospecial charge schemesfor new drainage, retarding basins wetlands.and be will below identified expenditure This works. asset The drainage Policy. Management Asset the new in specified as works new for to allocated 20% thestrategy from derived been has funding figure affordable the as identified been has table following The Expenditure Capital Upgrade and Renewal Drainage Proposed 4 – Table Drainage the for ten years: expenditure works capital following following the the over affordable as identified been has works, 2004), drainage reconstructionrelated road and Improvement (May Plan Resource Strategic as expenditure the capital projected in Council’s outlined consideration into taking and statements Policy above the on Based Council’sAsset ManagementPolicy (adopted onthe 23 May 2005) includes the followingpolicy statements: 9.1 9. 2006/07 2006/07 ($,000) ($,000) $1,079 $300   AdoptedFinancial Strategy 10-Year Drainage Financial Strategy Financial Drainage 10-Year category provides to the community. Initially this distribution is to be based on the % of accumulated of % the on based be to depreciationacross each asset category”. is distribution this Initially community. the to provides category “ assets. Thisallocation may include projects to consolidate assets”. “ Will work towards at least 80% of expenditure on capital works to be allocated to the renewal of existing renewalof the to allocated be to capitalworks expenditure on of least80% at towards work Will Distribution of the renewal allocation for capital works is to reflect the level of service that each asset each that service of level the reflect to is works capital for allocation renewal the of Distribution 2007/08 2007/08 ($,000) ($,000) $1,252 $300 2008/09 2008/09 ($,000) ($,000) $1,437 $300 2009/10 2009/10 ($,000) ($,000) $1,642 $300 2010/11 2010/11 ($,000) ($,000) $1,861 $300 2011/12 2011/12 ($,000) ($,000) $1,861 $300 2012/13 2012/13 ($,000) ($,000) $1,861 $300 2013/14 2013/14 ($,000) ($,000) $1,861 $300 2014/15 2014/15 ($,000) ($,000) $1,861 $300 2015/16 2015/16 ($,000) ($,000) $1,861 $300 28 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY New Upgrade Renewal Works Improvement Drainage New Renewal Works Related Reconstruction Road Capital Totals Inspections CCTV Proactive Unit Planning Strategyand Asset Replacement Frame Lintel & Maintenance Pipe & Pit Unit Maintenance Road Cleansing Centres Shopping ROW / Street / ComboUnit Cleansing – Pipe Contractors Cleansing - Pipe PitCleansing Cleansing GPT Replacement PitLid Unit Cleansing Maintenance Totals Process. There is a level of uncertainty with respect to the expenditure post 2010/2011 and this will need to be to need will this and reviewedonce thesefigures are 2010/2011 revised. post expenditure the to respect with uncertainty of level a is There Process. Value Best the of part as Unit Maintenance Council’s for documented as plan resource strategic the and profiles funding current from derived been has assets drainage the of maintenance the for identified expenditure The NB: Profile Expenditure Drainage Year 10 Proposed 6 – Table assetshasbeen derived from currentfunding profilesallocated to Council’s Maintenance Units. followswith respect to the capitalworks program.The expenditure identified for the maintenance of the drainage Taking intoconsideration the 10-Year Drainage FinancialStrategy, the proposed expenditure distribution is as 9.2 ($,000) 2005/06 $1,940 $1,562 $443 $193 $250 $209 $24 $40 $51 $10 $44 10-Year Financial Drainage Distribution Profile Distribution Drainage Financial 10-Year - - - - - ($,000) 2006/07 $2,037 $1,379 $1,562 $405 $135 $135 $145 $115 $300 $404 $75 $25 $40 $20 $55 - ($,000) 2007/08 $2,052 $1,552 $1,634 $300 $470 $470 $156 $156 $152 $120 $26 $42 $22 $58 - - ($,000) 2008/09 $1,737 $2,225 $1,706 $540 $180 $180 $158 $126 $300 $537 $82 $27 $44 $23 $60 - ($,000) 2009/10 $1,942 $2,233 $1,778 $165 $131 $300 $616 $616 $205 $205 $24 $63 $28 $46 - - ($,000) 2010/11 $2,161 $2,402 $1,849 $172 $136 $300 $698 $698 $232 $233 $25 $65 $87 $30 $47 - ($,000) 2011/12 $2,161 $2,315 $1,849 $172 $136 $300 $698 $698 $232 $233 $25 $65 $30 $47 - - ($,000) 2012/13 $2,161 $2,402 $1,849 $172 $136 $300 $698 $698 $232 $233 $25 $65 $87 $30 $47 - ($,000) 2013/14 $2,161 $2,315 $1,849 $172 $136 $300 $698 $698 $232 $233 $25 $65 $30 $47 - - ($,000) 2014/15 $2,161 $2,402 $1,849 $172 $136 $300 $698 $698 $232 $233 $25 $65 $87 $30 $47 - ($,000) 2015/16 $2,161 $2,315 $1,849 $300 $698 $698 $232 $233 $172 $136 $30 $47 $25 $65 - - MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc as is Strategy Financial follows: above the for basis The – Assumptions Profile Distribution 9.3 2. 1. 7. 6. 5. 4. 3. 10-Year Financial Drainage Drainage Financial 10-Year current allocation in the Roads Unit base budget. Unit Roads the in allocation current on based are frames and lintels for Budget is item this 250 50 for budget therefore are based frames annual The needs and lids. fibreglass lids with replaced 50 and replaced are inserts lid 250 average an On annum. replacementper require pit-lids 300 Approx od Rnwl Porm bde and budget Program derivedas follows: Renewal Road the in allocations past on based been has budget works related reconstruction Road underground the of pipenetwork. 15km of survey the cover Will on surveys. undertaken rates previously contract based is budget CCTV operating base budgets. on the in based allocations are current Centres Units and Maintenance Cleansing Shopping maintenance Road Street pit the / by & undertaken pipe ROW and Cleansing / Street (Pipe Unit Combination Cleansing) hasbeen derived as follows: for Budget structure. this under annually twice cleaned currently utility Pits budget. base a the in allocation and current tipper a on based is activity this for Budget vehicle. plus people two of crews two - structure current on based been has pits cleaning for activity Current

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$100(concrete insert). lid hs alcto a en split been new and renewal has between equally allocation This UpgradeCapital Expenditure. and Renewal Drainage the Proposed in allocation total the of 25% be will municipality pipe cleanedonce annually. the as within pits crew, pit one redeploying well By cleansing as cleansing. pit activities also some will undertake crew redeployed be The to crew redeployed tooperate. cleansing pit One cover to leasingcosts. allocation Contractors

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60 (irgas plus (fibreglass) $600 8. beenderived as follows: has budget Works Improvement Drainage      pcfe os nt me the Section in meet outlined as expenditure not renewal required does as works specified renewal for Allocation cause buildingdamage. is may that flooding to subject areas $6.1million risk report high the address to This required that identified addressed. Analysis are Capacity Drainage the in identified issues the that ensure will works upgrade for and Allocation renewal split upgrade works. between been has equally allocation This UpgradeCapital Expenditure. and Renewal Drainage the Proposed in allocation total the of 75% these of part projects. as that places the road takes in the that required of reconfiguration be recognition will drainage assets new and as replacement works n xaso Capital Expansion Expenditure. New and Drainage Proposed Section 100% accommodated. projects. in outlined as gap the that works assumed be can it aspect, this upgrade ofRecognising renewal of that part as occur will assets drainage expected is

il be will 8

8. However it However 8. 30 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY 10.4 Measures 10.3 10.2 10.1 of this Strategy and Assess Performance 10. 2. 1. 1. 5. 4. 3. 2. 1. 4. 3. 2. 1. Cost Performance Measures Performance Cost Maintenance Performance Measures Performance Maintenance Performance Satisfaction User Measures Performance Condition How How We WillMonitor nenl adt n external and on audits Asset based benchmarking with industrystandards. standard Drainage internal quality per Repair as Management Plan. on based audits standard quality Inspection from surveys yearyear. to comparative on Based Damagesfrom storms and floods. being as belowacceptable service level. classified assets of Quantity being as ‘under-capacity’. classified poor assets of into Quantity assets of condition per annum. transition level network – measures consumption Asset Networklevel asset condition state. renewal upgradeand activities. activity, maintenance each for rates Unit and fromyear to year. maintenance capitalbudgets –externally internallyand of Benchmarking blocks. year 5 in required funding renewal Total per spent annum. funding maintenance Total MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc yearsas minimum. a DrainageManagement Plan will bereviewed five nextfive years. It isexpected that Council’s todocument progress setand out proposals for the Strategyshould take place everythree to five years review full of Drainagethe AssetsManagement reflectingand responding to changes overtime. A AnyStrategy must be dynamic a document, 11. Strategy Review 32 MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY appropriate modernequivalent asset. referenceto some measure capacity, of with an the servicepotential ofanexisting asset, by Cost: Replacement Current CP: the need some for preventative orremedial action. conditionof a specificcomponent toso as determine interpretation the of resultant data, to indicate the inspection,assessment, measurement and Monitoring: Condition expectancy,maintenance regimes,risk or criticality. havingspecific attributes suchas different life independentphysical or functionalidentity and Components: value of asset.the servicepotential. Capital expenditure increases the assetsbeyond theiroriginal designcapacity or new assetsor to increase the capacityof existing Expenditure: Capital occurring in anygiven year). exceeded,once in years 20 (ie.5%probability of a certainmagnitude that will generally occur or be year. example,For a 120 in year flood is flood a of todescribe how likelya flood will occur in a given (ARI): Interval Recurrence Average required. asset,which depends onthe purpose for whichisit Values: Asset methods as upgrade,refurbishment or replacement. servicepotential anasset delivers through such Renewal: Asset construction, and technical informationabout each. including inventory,historical, financial, condition, consideredworthy separate of identification Register: Asset the mostcost effectivemanner. objective of providingthe required level of servicein otherpractices applied physical to assets withthe management,financial, economic, engineering and Management: Asset relates toassets. Accounting: Asset ofpast transactionsor other past events. economic benefitscontrolled by Council resultas a Asset: Administration: they are earnedand expenses asthey are incurred. Accounting: Accrual 12. ConcealedPit Is an Is item with service potential futureor GlossaryTermsof Specific partsof an assethaving A determination of the valueof the A recordof assetinformation Theprocess of improvingthe Councilstaff. Is Is financialaccounting as it Thecombination of Expenditureused tocreate Recognitionof revenues as Continuous periodicor Thecost replacing of A term A used Level of Service: of Level JP: GP: utilisedto capture litter within drainagethe system. (GPT): Trap Pollutant Gross presentinformation that is tied a to spatiallocation. andpersonnel tohelp manipulate, analyse and system of computersoftware, hardware and data GIS: of the assetless its residualvalue overusefulits life. for by allocationthe the of cost (or revalued amount) technologicaland market changes.is It accounted use,passing of time obsolescenceor through otherloss of valueof an assetwether arisingfrom : Depreciation theremaining economic life of the existingasset. allowancefor wear or consumption having regard for replacementcost of anexisting lessasset an Value: Replacement Depreciated andspecifications of the system. ensurestructureits complies with requirements the heldwithin Corporatethe computer systemto Management Data (ii) (i) activitiesfall into three categories: Maintenance: Planned standards. comparedwith specificobjectives, targets or quantitativeassessments the of actual performance Monitoring: Performance fromstorm events with anARI of upto in 1 years. 5 Flows: Nuisance foran assetor aggregationof assets. maintenanceactivities to undertaken be recorded & Program: Maintenance anasset itsfrom original design. Note maintenancedoes not includemodification of expandthe assetsservice life. thatenables toit reach its service potential may and The workneeded to maintain an asset in a condition butexcluding rehabilitation asset near as as practical its to original condition, Maintenance: cost. responsiveness, environmentalacceptability and usuallyrelate to quality, quantity,reliability, performancemay be measured. Service levels particularactivity (ie repair) pit against which service JunctionPit GratedInlet Pit GeographicInformation System.GIS isa usedto predict failure. Predictive- condition-monitoring activities asset. reliability orsustain to the design life of an Periodic-necessary ensure to the The wearing out, consumption or All actionsAll necessary forretaining an Stormwater run-offgenerated Thedefinedservice quality a for The management of datathat is Plannedmaintenance A specificplan ofidentified . . Continuousperiodicor Is a structure that is The MORELAND DRAINAGE ASSET MANAGEMENT STRATEGY D:\Docs\2017-12-15\0a1deb56477539139dec31264f405840.doc costingand optimised deprivalvalue for tariff setting. maintenance levels,market value for lifecycle required,replacement ie value for determining dependon the purpose for whichthe valuation is Valuation: a depreciable asset is expected tobe used. asset is expected be to used. The period overwhich life: Useful organisation. the long termsurvival, valueand growthof the targets, actionsand resource allocations relating to portions of theorganisation and identifymajor planshave a strongexternal focus, cover major goalsand strategies of organisation. an Strategic Plan: Strategic SEP: implementappropriate responses. toidentify andanalyse potential risksand to Management: Risk standards, target levels risk and othercriteria. comparing thelevel of against risk predetermined risk measurementpriorities evaluating by and Assessment: Risk assetor facilityat the ofend its life. value,which would be realisedfrom ofdisposal an Value: Residual asset,in today’s dollar terms. existing asset with substantially a identical new Cost: Replacement service. providea similar, or agreed alternative,level of assetthat has reached the end ofits life, so asto Replacement: conditionafter failure ordamage. Repair: performanceor quality. existing facilities with facilities of equivalentcapacity Renewal: available techniquesand standards. resorting significant to upgradingrenewal,or using service(ie heavy patching of roads etc.) without repairing assetthe to deliver its originallevel of incorporatesome modification.Generally involves functional conditionand extend its life, which may componentsof an asset, to restore it to a required Rehabilitation: (iii) Side Entry Pit Actionto restore an item to previousits based. recommendations)and isnot condition maintenance manualsor manufactures' checking (eg usinginformation contained in initiatedwithout routine continuousor Preventive-maintenance thatcan be Worksto upgrade, refurbish or replace Assessedasset value which may Theperiod overwhich a depreciable Thecomplete replacement of an Worksto rebuild replaceor partsor Aplan containing the long-term Thenet market recoverableor Theprocess used to determine Amanagement technique used Thecost of replacingan depreciation. asset current in dollarminusterms accumulatedits Value: Down Written Is the appropriatevalue of an

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