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Annual Conference October 2011 Water Services Water Services Training Group Training Group 15 15 th th Annual Conference Annual Conference Water Services in Ireland – Water Services in Ireland – Organisational modernisation and Organisational modernisation and new challenges new challenges 13 13 th th October 2011 October 2011

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Page 1: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Annual Conference October 2011

Water Services Training Water Services Training GroupGroup

1515thth Annual Conference Annual Conference

Water Services in Ireland – Water Services in Ireland –

Organisational modernisation Organisational modernisation

and new challengesand new challenges

1313thth October 2011 October 2011

Page 2: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Annual Conference October 2011

Water ConservationWater Conservation&&

Mains Rehabilitation Mains Rehabilitation

Ray MannixRay Mannix

Senior EngineerSenior Engineer

Waterford City CouncilWaterford City Council

Page 3: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Presentation SummaryPresentation Summary Examine the topic of Water Conservation and how Examine the topic of Water Conservation and how

this was introduced to Waterford City and the this was introduced to Waterford City and the progress that has been made. progress that has been made.

Show how Leakage Control has developed in Show how Leakage Control has developed in Waterford City and the improvements made.Waterford City and the improvements made.

Explore the issue of Backyard Services and the Explore the issue of Backyard Services and the difficulties encountered in Waterford City.difficulties encountered in Waterford City.

Present how Waterford City Council have moved Present how Waterford City Council have moved to an automatic meter reading system for non-to an automatic meter reading system for non-domestic meters and how this has impacted on domestic meters and how this has impacted on water conservation.water conservation.

Annual Conference October 2011

Page 4: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Objectives of Water ConservationObjectives of Water Conservation

Improve knowledge of the mains Network.Improve knowledge of the mains Network. To reduce the level of unaccounted for water To reduce the level of unaccounted for water

(UFW) on the public network(UFW) on the public network To improve Service Delivery (improved pressure To improve Service Delivery (improved pressure

and water quality)and water quality) Improve public awarenessImprove public awareness Defer Capital Investment in new schemes Defer Capital Investment in new schemes

through reduced consumption and improved through reduced consumption and improved supplysupply

How is all this implemented?How is all this implemented?

Annual Conference October 2011

Page 5: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Annual Conference October 2011

Page 6: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

In 1996 Waterford City was one of the locations In 1996 Waterford City was one of the locations chosen to pilot a water conservation programme. chosen to pilot a water conservation programme.

The first demonstration in Ireland of trenchless The first demonstration in Ireland of trenchless technology took place in the City on 800m of technology took place in the City on 800m of main.main.

In 1997, 24 District Meter Zones/Areas (DMA) were In 1997, 24 District Meter Zones/Areas (DMA) were set up in Waterford City. set up in Waterford City.

In 1998 EMR (Radio & Telemetry) set up a new In 1998 EMR (Radio & Telemetry) set up a new SCADA telemetry system in the City.SCADA telemetry system in the City.

In 1999 following protracted negotiations the In 1999 following protracted negotiations the Water Conservation Team was established.Water Conservation Team was established.

Between 1996 and 1999 the water Network was Between 1996 and 1999 the water Network was digitally mapped using mapnet which later digitally mapped using mapnet which later became mapinfo.became mapinfo.

Annual Conference October 2011

DMA’s in Waterford City

Page 7: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

The new information systems and metering The new information systems and metering allowed data to be recorded for the first time. allowed data to be recorded for the first time.

The Average Daily Consumption was starting to The Average Daily Consumption was starting to rise to levels that exceeded storage capacity rise to levels that exceeded storage capacity

A network performance appraisal was carried out A network performance appraisal was carried out in 1997 as part of the Strategic Operational and in 1997 as part of the Strategic Operational and Investment Plan.Investment Plan.

The Network was found to be in a very poor The Network was found to be in a very poor condition in many parts of the Citycondition in many parts of the City

An active leakage control regime was introduced An active leakage control regime was introduced and statistics on leakage could be established.and statistics on leakage could be established.

Annual Conference October 2011

Page 8: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

How do you achieve effective Leakage How do you achieve effective Leakage Control?Control?

Annual Conference October 2011

Page 9: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

The Six keys to effective Leakage ControlThe Six keys to effective Leakage Control

1.1. PassivePassive Leakage Control Leakage Control

2.2. ActiveActive Leakage Control Leakage Control

3.3. Swift, Quality RepairsSwift, Quality Repairs

4.4. Effective Infrastructure ManagementEffective Infrastructure Management

5.5. Efficient Pressure ManagementEfficient Pressure Management

6.6. Complete Meter ManagementComplete Meter Management

Annual Conference October 2011

Page 10: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Passive Leakage ControlPassive Leakage Control

• Passive Leakage is Reactive – bursts / reported Passive Leakage is Reactive – bursts / reported leaks – visible leaks including leaks noted when leaks – visible leaks including leaks noted when meters are installed.meters are installed.

• Manage them appropriately – prioritise quickly.Manage them appropriately – prioritise quickly.• Record leak details from initial customer contactRecord leak details from initial customer contact• Get the repairs completed quickly Get the repairs completed quickly • Record time and details of the repairRecord time and details of the repair• Note the repair impact on District Meter Area in Note the repair impact on District Meter Area in

particular night time flowparticular night time flow• RememberRemember these are the leaks people see – these are the leaks people see –

important for public relationsimportant for public relations

Annual Conference October 2011

Page 11: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Active Leakage ControlActive Leakage Control

Identify non visible leakage through DMA Identify non visible leakage through DMA

monitoring.monitoring.

Analysis of water networks to target lossesAnalysis of water networks to target losses

Accounting for un-monitored waterAccounting for un-monitored water

Identifying consumption patternsIdentifying consumption patterns

Identifying legitimate consumptionIdentifying legitimate consumption

Understanding and recording flows Understanding and recording flows

Pinpoint leaks – step testPinpoint leaks – step test

Annual Conference October 2011

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Infrastructure & Pressure Management Infrastructure & Pressure Management

Requires a planned structured approach to Requires a planned structured approach to implement effectively.implement effectively.

1.1. Bring pipelines up to date through Bring pipelines up to date through mains mains rehabilitationrehabilitation

2.2. Modernise the network flow model to account for Modernise the network flow model to account for changeschanges

3.3. Introduce appropriate pressure reducing valves to Introduce appropriate pressure reducing valves to manage network pressures efficientlymanage network pressures efficiently

4.4. Combine all the meters on the Network to a Combine all the meters on the Network to a single integrated system allowing any flow single integrated system allowing any flow variations to be identified instantaneously.variations to be identified instantaneously.

Annual Conference October 2011

Page 13: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

FUNDAMENTAL REASONS FOR FUNDAMENTAL REASONS FOR MAINS REHABILITATIONMAINS REHABILITATION

Performance Deficiencies in NetworkPerformance Deficiencies in Network• Water QualityWater Quality• Pressure and FlowPressure and Flow• Supply InterruptionsSupply Interruptions

Increased Operation & Maintenance CostsIncreased Operation & Maintenance Costs• Excessive Burst FrequencyExcessive Burst Frequency• Additional Mains Flushing RequiredAdditional Mains Flushing Required• Extra power costs to overcome hydraulic resistance of Extra power costs to overcome hydraulic resistance of

encrustationencrustation Higher Quality Standards Higher Quality Standards

• More demanding standards (Lower lead limit etc.)More demanding standards (Lower lead limit etc.)• Customer satisfaction (Demands rise as cost rises)Customer satisfaction (Demands rise as cost rises)

Annual Conference October 2011

Page 14: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

The approach to Mains Rehabilitation in Waterford The approach to Mains Rehabilitation in Waterford was undertaken on a DMA by DMA basis.was undertaken on a DMA by DMA basis.

Prioritisation based on the following Prioritisation based on the following physical and performance characteristics:physical and performance characteristics:• Mains Properties – percentage of old unlined cast iron Mains Properties – percentage of old unlined cast iron

mainsmains• Connections – Lead and Shared Backyard ServicesConnections – Lead and Shared Backyard Services• Structural and Leakage PerformanceStructural and Leakage Performance• Water Quality – length of cast iron mains, dirty water Water Quality – length of cast iron mains, dirty water

complaints, sample data.complaints, sample data.• Hydraulic Performance – areas less than 15m pressure Hydraulic Performance – areas less than 15m pressure

at peak demandat peak demand• Other Factors – critical customers, sensitive mains, Other Factors – critical customers, sensitive mains,

development etc.development etc.

Annual Conference October 2011

Page 15: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Mains Rehabilitation in Waterford CityMains Rehabilitation in Waterford City Phase 1 Phase 1 Mains Rehabilitation started in Waterford Mains Rehabilitation started in Waterford

City in 1999. City in 1999. • Between 1996 and 1999 data was recorded in order to Between 1996 and 1999 data was recorded in order to

establish what mains needed to be prioritised.establish what mains needed to be prioritised.• Approximately 20% of the network had been laid Approximately 20% of the network had been laid

between 1900 and 1930.between 1900 and 1930.• Unaccounted for Water (UFW) was estimated to be more Unaccounted for Water (UFW) was estimated to be more

than 60%than 60%• 6.2km of cast iron mains was replaced at a cost of £1.65 6.2km of cast iron mains was replaced at a cost of £1.65

million.million.• On completion of Phase 1 Rehab UFW had fallen below On completion of Phase 1 Rehab UFW had fallen below

60%.60%.• Ongoing leakage control continued to reduce UFW, but Ongoing leakage control continued to reduce UFW, but

an aging Network made it difficult to make real progress.an aging Network made it difficult to make real progress.

Annual Conference October 2011

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Annual Conference October 2011

Small bore directional drilling under houses has been very successful in Waterford City.

Phase 2 Phase 2 Mains Rehabilitation commenced in Mains Rehabilitation commenced in 2008. 2008. • Further assessments of the City Network were carried Further assessments of the City Network were carried

out in 2004 and 2006. out in 2004 and 2006. • These assessments helped develop the overall strategic These assessments helped develop the overall strategic

investment plan for Water Services in Waterford City.investment plan for Water Services in Waterford City.• WSIP 2007 – 2009 approved a budget of €6.9 million for WSIP 2007 – 2009 approved a budget of €6.9 million for

Phase 2 Rehab.Phase 2 Rehab.• A total of 23.6km of mains was replaced in Phase 2 A total of 23.6km of mains was replaced in Phase 2

when the original Contract was extendedwhen the original Contract was extended• Trenchless technology was utilised as much as possible Trenchless technology was utilised as much as possible

to reduce traffic disruption and public inconvenience.to reduce traffic disruption and public inconvenience.• 3,349 new connections were provided.3,349 new connections were provided.• The outturn cost of Phase 2 was €8.9 millionThe outturn cost of Phase 2 was €8.9 million• Water pressure and quality improved immediately but Water pressure and quality improved immediately but

UFW did not reduce as much as was anticipated.UFW did not reduce as much as was anticipated.

Page 17: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Typical Cross Section of Cast Iron Pipe RemovedTypical Cross Section of Cast Iron Pipe RemovedThe encrustation of cast iron mains caused reduced The encrustation of cast iron mains caused reduced

pressure, water quality issues and high burst frequency.pressure, water quality issues and high burst frequency.

Annual Conference October 2011

Page 18: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Example of a Valve Replaced in Example of a Valve Replaced in Mount Sion AvenueMount Sion Avenue

Annual Conference October 2011

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Slide with photo or graphSlide with photo or graph

Annual Conference October 2011

Page 20: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Phase 2 Rehabilitation AreasPhase 2 Rehabilitation Areas

Annual Conference October 2011

Page 21: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Lessons LearnedLessons Learned Increased Pressure on Backyard Services caused more Increased Pressure on Backyard Services caused more

leaks. UFW not reduced as much as expected as a result.leaks. UFW not reduced as much as expected as a result. Site Investigations were not detailed enough.Site Investigations were not detailed enough. CESMM3 did not have standardised item descriptions for CESMM3 did not have standardised item descriptions for

trenchless techniques.trenchless techniques. Public awareness prior to construction was poor and Public awareness prior to construction was poor and

required a liaison process during the Contract.required a liaison process during the Contract.

AdvantagesAdvantages Dramatic Improvement in Water QualityDramatic Improvement in Water Quality UFW ReducedUFW Reduced Removal of Lead Mains and ServicesRemoval of Lead Mains and Services Reduction in number and frequency of leaks and bursts on Reduction in number and frequency of leaks and bursts on

public mains.public mains.

Annual Conference October 2011

Page 22: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Phase 3 Phase 3 Mains RehabilitationMains Rehabilitation• Remainder of cast iron mains to be replaced.Remainder of cast iron mains to be replaced.• A budget approval of €6.1 million has been received A budget approval of €6.1 million has been received

under WSIP 2010 – 2012.under WSIP 2010 – 2012.• Design Work has commenced on 24km of main and Design Work has commenced on 24km of main and

construction work will commence in 2012.construction work will commence in 2012.• Approval has been given in circular L3/11 to carry out Approval has been given in circular L3/11 to carry out

works to replace service connections in private property.works to replace service connections in private property.• Backyard/Shared Service must be replaced as part of Backyard/Shared Service must be replaced as part of

this process in order to achieve the best results.this process in order to achieve the best results.• Need to incentivise property owners to separate from Need to incentivise property owners to separate from

the shared service to an individual connection. The the shared service to an individual connection. The disruption and inconvenience not to mention the cost disruption and inconvenience not to mention the cost will only discourage owners from connecting to the new will only discourage owners from connecting to the new control box.control box.

Annual Conference October 2011

Page 23: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Backyard/Shared ServicesBackyard/Shared Services

Annual Conference October 2011

Backyard services (BYS) generally run along the rear of properties Backyard services (BYS) generally run along the rear of properties that are in both private & joint (shared) ownership.that are in both private & joint (shared) ownership.

The property owners are jointly responsible for the service pipe.The property owners are jointly responsible for the service pipe. There are an approx. 612 BYS connections serving almost 3,000 There are an approx. 612 BYS connections serving almost 3,000

properties in the City.properties in the City. It is estimated that almost 40% of all UFW on the network occurs It is estimated that almost 40% of all UFW on the network occurs

on private side leaks on BYS.on private side leaks on BYS. High UFW levels are due to age of pipes and the pipe material High UFW levels are due to age of pipes and the pipe material

which are predominately lead services.which are predominately lead services. Majority of leaks occur in service pipes and as these are smaller Majority of leaks occur in service pipes and as these are smaller

they tend to run unnoticed for a much longer period before they tend to run unnoticed for a much longer period before discovery than those of mains.discovery than those of mains.

The Mains Rehab Project Phase 2 Design Review Report outlines The Mains Rehab Project Phase 2 Design Review Report outlines Three phases to reduce UFWThree phases to reduce UFW• Mains Rehabilitation and network rationalisationMains Rehabilitation and network rationalisation• Replacement of Common & Backyard ServicesReplacement of Common & Backyard Services• Active Leakage ControlActive Leakage Control

Page 24: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Associated Problems with Backyard ServicesAssociated Problems with Backyard Services

• Poor water quality – high lead concentrationsPoor water quality – high lead concentrations• Poor pressurePoor pressure• Restricted access to private propertyRestricted access to private property• Joint ownership and responsibilityJoint ownership and responsibility• Excessive LeakageExcessive Leakage• Structural damage to propertiesStructural damage to properties• Difficulty locating and repairing leaksDifficulty locating and repairing leaks

Extensions built over services connections to rear of Extensions built over services connections to rear of propertyproperty

In Morrisson’s Road DMA 60% of properties have In Morrisson’s Road DMA 60% of properties have extensionsextensions

• Inadequate depths of cover to services leading to Inadequate depths of cover to services leading to possible freezing of pipes in cold weatherpossible freezing of pipes in cold weather

Annual Conference October 2011

Page 25: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Pilot Grant Scheme in 2006 to remove Backyard ServicesPilot Grant Scheme in 2006 to remove Backyard Services

Johnstown DMA chosen during Phase 2 Rehab where 7 properties on Johnstown DMA chosen during Phase 2 Rehab where 7 properties on 3 backyard services were replaced in January 2006.3 backyard services were replaced in January 2006.

Property owner given a grant of €800 for the installation of a new Property owner given a grant of €800 for the installation of a new individual service.individual service.Grant covers a fixed and agreed cost of €600 to a private competent Grant covers a fixed and agreed cost of €600 to a private competent plumber to carry out the installation to the stopcock in the kitchen at plumber to carry out the installation to the stopcock in the kitchen at rear of house and disconnect the shared service.rear of house and disconnect the shared service.Customer used the remaining €200 to cover internal disturbance.Customer used the remaining €200 to cover internal disturbance.WCC provided new connection pipe from the main to a new control WCC provided new connection pipe from the main to a new control box at front of property.box at front of property.Reduction of 132mReduction of 132m33/day consumption or 18.9m/day consumption or 18.9m33/property/day./property/day.Further 70 properties on 21 BYS completed in 2006Further 70 properties on 21 BYS completed in 2006Average savings of 19.3mAverage savings of 19.3m33/property/day/property/dayUFW went from 74% down to 60% UFW went from 74% down to 60% UFW in this DMA is currently 37%.UFW in this DMA is currently 37%.

Annual Conference October 2011

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Benefits to removal of Backyard ServicesBenefits to removal of Backyard Services

Reduction in UFWReduction in UFW Removal of old lead services which may result in Removal of old lead services which may result in

failure to meet the EC Regulation Standards on failure to meet the EC Regulation Standards on lead content currently at 25 µg/l. The new lead content currently at 25 µg/l. The new standard of 10 µg/l comes into effect on the 24standard of 10 µg/l comes into effect on the 24thth December 2013. December 2013.

Improved pressures and flowsImproved pressures and flows Independent/Individual connectionIndependent/Individual connection

• household unaffected by a leak in an adjacent property.household unaffected by a leak in an adjacent property. Houses cannot be metered without individual Houses cannot be metered without individual

connections & control boxes to front of propertyconnections & control boxes to front of property Improved water qualityImproved water quality

Annual Conference October 2011

Page 27: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Water Services Act 2007Water Services Act 2007S.I. 527 2008 Water Conservation Regulations established the S.I. 527 2008 Water Conservation Regulations established the use of new Waste Noticesuse of new Waste NoticesFive separate notices provide a platform for each water Five separate notices provide a platform for each water authority to require a customer to repair a leak, reduce authority to require a customer to repair a leak, reduce consumption or risk a disconnection.consumption or risk a disconnection.Waterford City Council started to issue Form A waste notices Waterford City Council started to issue Form A waste notices in 2010.in 2010.Experience has thought WCC that initial approach is to Experience has thought WCC that initial approach is to encourage leak repairs rather than issuing formal notice.encourage leak repairs rather than issuing formal notice.

• First notices issued generated numerous queries.First notices issued generated numerous queries.• Public unaware of regulations and consequencesPublic unaware of regulations and consequences• Elderly fear of a possible supply cut-off or a fineElderly fear of a possible supply cut-off or a fine

To date 80 Form A notices have been issued.To date 80 Form A notices have been issued.BYS throw up problems when issuing Form A notices BYS throw up problems when issuing Form A notices

• All households on a shared supply must be served with the notice.All households on a shared supply must be served with the notice.

Annual Conference October 2011

Page 28: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Survey of BYS in 2011Survey of BYS in 2011Two DMA’s surveyed to examine the difficulties with Two DMA’s surveyed to examine the difficulties with the removal of all the BYSthe removal of all the BYSMorrisson’s Road and Lower Yellow Road DMA’s are the Morrisson’s Road and Lower Yellow Road DMA’s are the oldest part of the City and have a high percentage of BYS.oldest part of the City and have a high percentage of BYS.480 properties in Morrisson’s Road and 500 properties in 480 properties in Morrisson’s Road and 500 properties in Lower Yellow Road served by BYS. Approx. 10% have already Lower Yellow Road served by BYS. Approx. 10% have already connected to the new control box.connected to the new control box.Approximately 60% of properties have extensions built on top Approximately 60% of properties have extensions built on top of the BYS (Difficult to replace)of the BYS (Difficult to replace)Poor plumbing practices Poor plumbing practices

• Pipes embedded in walls and solid floors.Pipes embedded in walls and solid floors.• Stop valves are buried, concealed or simply lost.Stop valves are buried, concealed or simply lost.• Shallow supply pipes vulnerable to freezing in cold weatherShallow supply pipes vulnerable to freezing in cold weather• Many supply pipes are not water tightMany supply pipes are not water tight

The various complications make it difficult to apply a single The various complications make it difficult to apply a single method to replace these BYS.method to replace these BYS.

Annual Conference October 2011

Page 29: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

What Should We Do?What Should We Do? Circular L3/11 provides for funding of certain works that Circular L3/11 provides for funding of certain works that

encroach onto private property.encroach onto private property. Although this will cover some associated costs, there is no Although this will cover some associated costs, there is no

funding for internal plumbing.funding for internal plumbing. Majority of BYS located in parts of City where people cannot Majority of BYS located in parts of City where people cannot

afford to pay for the internal plumbing works required.afford to pay for the internal plumbing works required. Form A waste notices are not effective for BYS as it may not Form A waste notices are not effective for BYS as it may not

be possible to pinpoint a leak and responsibility for the be possible to pinpoint a leak and responsibility for the repair is in theory shared between all the properties.repair is in theory shared between all the properties.

Domestic metering will be incomplete unless every property Domestic metering will be incomplete unless every property has its own control box.has its own control box.

TWO CHOICES (or a combination of both)TWO CHOICES (or a combination of both)• Force households to move to the new control box – Not easy - High Force households to move to the new control box – Not easy - High

fixed charge fixed charge • Provide a grant to encourage property owners to connect to the new Provide a grant to encourage property owners to connect to the new

control box.control box.

Annual Conference October 2011

Page 30: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Leakage Control in Waterford City in 2011Leakage Control in Waterford City in 2011

Much has changed since 1996:Much has changed since 1996: Improved Technology – GSM LoggersImproved Technology – GSM Loggers Modern Electronic leak detection equipment – Modern Electronic leak detection equipment –

Correlating LoggersCorrelating Loggers Data capture has been enhanced and provides Data capture has been enhanced and provides

swift analysisswift analysis PRV’s Day/Night Controller allowing pressure PRV’s Day/Night Controller allowing pressure

reduction at night to lower night flowsreduction at night to lower night flows Integration of DMA meters and Non-domestic Integration of DMA meters and Non-domestic

meters allowing accurate calculation of UFW in meters allowing accurate calculation of UFW in zones.zones.

Annual Conference October 2011

Page 31: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Non Domestic Water Non Domestic Water

Background: Background: Prior to 2003Prior to 2003 Many commercial water supplies were not metered.Many commercial water supplies were not metered. Unmetered customers generally paid a fixed charge for Unmetered customers generally paid a fixed charge for

their water supply, a system which provided no incentive their water supply, a system which provided no incentive for customers to conserve water or repair leaks.for customers to conserve water or repair leaks.

Private-side leaks continued undetected, placing Private-side leaks continued undetected, placing unnecessary water demand on the network.unnecessary water demand on the network.

Meters could be by-passed and/or tampered with without Meters could be by-passed and/or tampered with without detection.detection.

Many water supplies served multiple addresses, making Many water supplies served multiple addresses, making individual metering difficult and often impossible without individual metering difficult and often impossible without undertaking major plumbing alterations.undertaking major plumbing alterations.

Microsoft Access Database was used for meter and account Microsoft Access Database was used for meter and account data.data.

575 meters installed on non domestic services.575 meters installed on non domestic services.

Annual Conference October 2011

Page 32: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

2003 - 2005:2003 - 2005:

The Metering of all non domestic services started in The Metering of all non domestic services started in 2003.2003.

1,530 meters were installed by December 2006.1,530 meters were installed by December 2006. All meter readings were manual – a time-consuming, All meter readings were manual – a time-consuming,

costly and inefficient method of data collection which costly and inefficient method of data collection which was prone to human error.was prone to human error.

Microsoft Access Database was used for billing and Microsoft Access Database was used for billing and storing meter readings. This was labour intensive as storing meter readings. This was labour intensive as manual inputting of reads was still required.manual inputting of reads was still required.

Due to lags in readings being submitted, half yearly Due to lags in readings being submitted, half yearly bills were not being issued efficiently and were bills were not being issued efficiently and were typically a few months late.typically a few months late.

Annual Conference October 2011

Page 33: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

2006 – 20072006 – 2007

In 2006 water billing was moved to the Agresso In 2006 water billing was moved to the Agresso Financial Program. 1,295 accounts were entered into Financial Program. 1,295 accounts were entered into the Agresso meter master database.the Agresso meter master database.

This provided an easier billing system but readings This provided an easier billing system but readings were still manual.were still manual.

It took 3 Water Inspectors 4 weeks to do a complete It took 3 Water Inspectors 4 weeks to do a complete set of non domestic meter readings.set of non domestic meter readings.

The issuing of bills was still slow due to the time taken The issuing of bills was still slow due to the time taken to take readings, transfer to Agresso and issue bills. to take readings, transfer to Agresso and issue bills.

Annual Conference October 2011

Page 34: Annual Conference October 2011 Water Services Training Group 15 th Annual Conference Water Services in Ireland – Organisational modernisation and new

Automatic Reading SystemAutomatic Reading System20082008 Decision made to move to automatic meter reading.Decision made to move to automatic meter reading.

• Reduce time to take readings.Reduce time to take readings.• Reliability of readings assured and recorded.Reliability of readings assured and recorded.• Bills produced much faster.Bills produced much faster.

20092009 New Temetra Database is set up.New Temetra Database is set up. 1,111 cyble installations are completed and uploaded to 1,111 cyble installations are completed and uploaded to

Temetra and ready for automatic reading.Temetra and ready for automatic reading. All meters are now read by a Technician and a full set of All meters are now read by a Technician and a full set of

non domestic meter readings can be completed in 8 non domestic meter readings can be completed in 8 working days.working days.

Issue Monthly Bills to the top 25 consumers. These make up Issue Monthly Bills to the top 25 consumers. These make up more than 75% of the annual non-domestic consumption in more than 75% of the annual non-domestic consumption in Waterford City. All other bills are issued quarterly - Waterford City. All other bills are issued quarterly - Much Much improved cash flow. improved cash flow.

Annual Conference October 2011

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2010 – 20112010 – 2011

In 2010 the decision was made to move to a new billing In 2010 the decision was made to move to a new billing system using Temetra. system using Temetra.

First Temetra generated bills are currently being sent out First Temetra generated bills are currently being sent out for September 2011 Monthly accounts.for September 2011 Monthly accounts.

Annual Conference October 2011

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Efficiencies and Benefits from AMREfficiencies and Benefits from AMR ConservationConservation: quicker leak detection due to any readings : quicker leak detection due to any readings

deviating from expected ranges being highlighted in Temetra and deviating from expected ranges being highlighted in Temetra and on the handheld reader.on the handheld reader.

Consumption DataConsumption Data: better records of volumes used on : better records of volumes used on individual services and analysis of expected consumptions for individual services and analysis of expected consumptions for different types of activities.different types of activities.

Issue Tracker SystemIssue Tracker System: Customer queries or internal issues : Customer queries or internal issues can be raised specific to a meter and will be tracked through to can be raised specific to a meter and will be tracked through to resolution. resolution.

Data managementData management: : No delay in application of changes to No delay in application of changes to customer, occupancy and meter replacements information.customer, occupancy and meter replacements information.

Annual Conference October 2011

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Schools Water ConsumptionSchools Water Consumption Impact of Moving to Metered Charges Impact of Moving to Metered Charges

In 2010 Primary Schools received their first water supply In 2010 Primary Schools received their first water supply bills based on actual consumptionsbills based on actual consumptions

Prior to this fixed bills applied based on the number of Prior to this fixed bills applied based on the number of pupils. Actual consumptions were often higher than the pupils. Actual consumptions were often higher than the estimated calculation of 3.5mestimated calculation of 3.5m33 per pupil per year. per pupil per year.

Conservation and repairs were encouraged and in the Conservation and repairs were encouraged and in the summer of 2009 Dept of Education grants were provided to summer of 2009 Dept of Education grants were provided to schools for water conservation works.schools for water conservation works.

It can be seen from the following graph covering the period It can be seen from the following graph covering the period Jan 2009 to April 2010 the effect these works had on schools Jan 2009 to April 2010 the effect these works had on schools in the City. in the City.

Schools like St. Martins, St. Declans and Mount Sion NS have Schools like St. Martins, St. Declans and Mount Sion NS have all had significant reductions in consumption.all had significant reductions in consumption.

The two schools that remain the highest users are the The two schools that remain the highest users are the biggest in the city with attendances far exceeding the rest.biggest in the city with attendances far exceeding the rest.

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Hotels and GSM Logging TrialsHotels and GSM Logging Trials

In March 2011 WCC proposed a trial of GSM Loggers for the In March 2011 WCC proposed a trial of GSM Loggers for the water meters of the 10 main hotels in the City.water meters of the 10 main hotels in the City.

These loggers were fitted free of charge by WCC.These loggers were fitted free of charge by WCC. The loggers give continuous data on water usage and allow The loggers give continuous data on water usage and allow

detailed analysis of daily consumptions, night flows, periods detailed analysis of daily consumptions, night flows, periods of high usage etc. of high usage etc.

The Hotel Managers can access this info through the web The Hotel Managers can access this info through the web based Meter.ie portal which allows them to approach water based Meter.ie portal which allows them to approach water conservation in a proactive way. conservation in a proactive way.

WCC are continuing to liaise with Hotels who are showing WCC are continuing to liaise with Hotels who are showing high night flows and possible leakage in efforts to reduce high night flows and possible leakage in efforts to reduce water wastage.water wastage.

The success of this scheme will see the Large Consumers The success of this scheme will see the Large Consumers offered this product at a reasonable cost.offered this product at a reasonable cost.

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Despite all these improvements!Despite all these improvements! Highest leakage zones are two zones where Highest leakage zones are two zones where

mains rehab has already been completed mains rehab has already been completed

These two zones have the most Backyard These two zones have the most Backyard Services in the City – 980 out of 1860 (52%)Services in the City – 980 out of 1860 (52%)

UFW remains relatively high overall at 46%UFW remains relatively high overall at 46%

Unless backyard services are tackled, which I Unless backyard services are tackled, which I believe will require some form of incentive or believe will require some form of incentive or grant scheme, UFW will remain relatively high grant scheme, UFW will remain relatively high and full Domestic Metering will not be achievable!and full Domestic Metering will not be achievable!

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Annual Conference October 2011

Thank YouThank You