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Presented by: Presented by: Presented by: Presented by: MthokozisiMthokozisiMthokozisiMthokozisi MlotshwaMlotshwaMlotshwaMlotshwa

IntroductionIntroduction

Large consumers consume >40% of water supplied in some SA Metro’sLarge consumers consume >40% of water supplied in some SA Metro’s

Large consumers generally pay for their water consumptionLarge consumers generally pay for their water consumption

It is imperative that this water is accurately metered and billedIt is imperative that this water is accurately metered and billed

Photograph of Consol Glass in EMMPhotograph of Consol Glass in EMM

Large Water UserLarge Water User Un-metered Fire ConnectionsUn-metered Fire Connections

Un-metered Fire ConnectionsUn-metered Fire Connections

Un-metered

Supply Point

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Standard Design for Consumer Meter InstallationsStandard Design for Consumer Meter Installations

Adopt a Meter TypeAdopt a Meter Type

Combination Hybrid Magnetic Flow

Revise Policy on Unmetered ConnectionsRevise Policy on Unmetered Connections

Consolidate InternallyConsolidate Internally Develop a Workflow MethodologyDevelop a Workflow Methodology

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ImplementationImplementation Zero Pressure TestZero Pressure Test

Search for Buried ConnectionsSearch for Buried Connections Search for Buried ConnectionsSearch for Buried Connections

Capture Details of Each ConnectionCapture Details of Each Connection Shutdown ReportShutdown Report

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Design Supply ConsolidationDesign Supply Consolidation ConstructionConstruction

Completion Report – New Meter DetailsCompletion Report – New Meter Details

Completion Report – Removed Meter DetailsCompletion Report – Removed Meter Details

Update Municipal Billing SystemUpdate Municipal Billing System

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Courtesy VisitCourtesy Visit

Monitoring Metered ConsumptionMonitoring Metered Consumption

BenefitsBenefits

Improved metering

Reduction of consumer meters

Reduction Commercial Losses

Reduction in Physical Losses – leak identification and repair

Improved Relationship between Municipality and Large Consumers

Sustainable Job Creation

Improved metering

Reduction of consumer meters

Reduction Commercial Losses

Reduction in Physical Losses – leak identification and repair

Improved Relationship between Municipality and Large Consumers

Sustainable Job Creation

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Metered Consumption Increase 150 ConsumersMetered Consumption Increase 150 Consumers

EMM Top 500 Project PaybackEMM Top 500 Project Payback

Increase in metered consumption = 3 399m3 / day

= 1 240 635m3 / annum

@ R12.50/Kℓ = R15.5 Million / annum

Increase in Sewer charge = R 3.9 Million / annum

Increased revenue = R 19.4 Million / annum

Project cost = R15.8 Million

Project Payback Period < 12 Months

Increase in metered consumption = 3 399m3 / day

= 1 240 635m3 / annum

@ R12.50/Kℓ = R15.5 Million / annum

Increase in Sewer charge = R 3.9 Million / annum

Increased revenue = R 19.4 Million / annum

Project cost = R15.8 Million

Project Payback Period < 12 Months

Wadeville Project 423 PropertiesWadeville Project 423 Properties

Increase of 16%Increase of 16%

R8 400 000 / yearR8 400 000 / year

Wadeville Project PaybackWadeville Project Payback

Implementation Cost: R19 750 000

Increase in Revenue: R8 400 000 / year

Payback Period: < 2.5 Years

Implementation Cost: R19 750 000

Increase in Revenue: R8 400 000 / year

Payback Period: < 2.5 Years

Leakage was found to be 24 m3/hr. This represents

almost 600 m3/day or more than 200000 m3 per

annum with a cost to EMM of over R1 mil/annum. The

leak is estimated to have run for over 3 years with a

total water loss of 600 000 m3. This water was not

reflected on the billing system.

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Saving = 210Mℓ/year

Leakage was found to be 24 m3/hr. This represents

almost 600 m3/day or more than 200000 m3 per

annum with a cost to EMM of over R1 mil/annum. The

leak is estimated to have run for over 3 years with a

total water loss of 600 000 m3. This water was not

reflected on the billing system.

Before

Key Success FactorsKey Success Factors

Improve Metering and billing of industrial consumers.

Consolidate multiple supplies to single supplies.

Large consumers monitor consumption profile through permanent logging.

Improve revenue to Municipality

Identify and repair onsite leakage

Improve Metering and billing of industrial consumers.

Consolidate multiple supplies to single supplies.

Large consumers monitor consumption profile through permanent logging.

Improve revenue to Municipality

Identify and repair onsite leakage

- QUESTIONS -- QUESTIONS - - Thank You -- Thank You -