a1.3 caretaker approach to water supply operation

8/3/2019 A1.3 Caretaker Approach to Water Supply Operation

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The Care takers Approach

Leo Gijzel, Watersupply Manager


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Content of presentation

VEI in short + experience

Care taker Approach

Experiences

Results


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Two Water Companies: Vitens and Evides

Vitens EvidesDrinking water

Sanitation

350 Mm3

-

266 Mm3

1.2 M p.e.

Distribution network 47,500 km 12,000 km

Connections 2.3 million 1.0 million

Water sources groundwater surface water

Treatment works

Waste water

treatment

100

-

10

3

Service areas rural/urban urban/industrial

Non-revenue water 5% 7%

Staff 1,500 520

Annual contribution

to VEI

3 M per annum


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VitensEvides International

Mission

Contribution to improvement of global water & sanitation services

Strategy

Strengthen operational & financial performance and autonomy of urban

water operators -> sustainable services, also to the urban poor

Main characteristics

Broad scope

Transfer of know how & expertise

Capacity building

Multiple year partnership

Not for profit, not for loss

No investments, but facilitating where possible


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Vitens Evides International

Ghana: Apparent losses

Standardization of design & material use

Vietnam & Philippines:

Apparent losses

Real losses Central control unit

Mozambique

Apparent losses

Customer relations


Malawi

Apparent losses

Real losses



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Care Taker Approach

Non Revenue Water

Apparent Losses

- Billing system

- Metering

- Unauthorize Consumption

Real Losses

- Leackages

- Overflow Reservoirs


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Care Taker ApproachReal Losses management

Intervention Network management Care Taker Teams

Assest Management

Hand book, standards for design, materials

Asset registration & validation

Central control unit (CC)

Flow distribution & pressure management


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Care Taker Approach

Ownership Responsibilities with mandate ownership lower in organization

Pyramid of responsibilities Structure of organisation

Accountability

Pyramid of responsibility = pyramid of water balance Structure of organisation = structure of network

Imbedding in organization

Day-to-day tasks,

Intervention new tasks SOPs


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Care Taker Approach

Care taker (CT):

Responsible for dedicated area, Care taker area (CTA)

Role as house keeper

CTA CTA CTA CTA CTA CTA

Supply zone Supply zone

Distribution

Temporary DMAs


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Care Take Approach

Supply zone 1

CTA 1

CTA 2

CTA 3

CTA 4

Class II

Class III

Class I

Production/

transmission

Distribution


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Care Take Approach

Initial care taker Active leak detection & repair

Assist in asset registration & validation

Quality control of the services

First contact with customers

React on service calls

Develop into house keeper, responsible for:

Maintenance

Small repair/replacement

Registration of failures & leaks GIS

Proposals for improvements

Overall NRW


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Care Take Approach

Needs:

Handbooks of design & material use

Tools & materials care taker

Workmanship

Effective warehouse management


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Care Taker Approach

Results:

Danang Vietnam

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

2007 2008 2009 2010 2011 2012 2013 2014 2015

Actual National target (2015)

End of WOP


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Care Taker Approach

Davao DMA 1

0

5

10

15

2025

30

35

40

2010 may july sept nov


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Care Taker Appraoch

Concluding Remarks:

Real losses is not only a technical problem

Real losses management is not a project

It is about refocusing management of the network

Commitment and good governance are important keys


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16

Caretakers Approach


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1717

Questions??????????


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Thank You

a1.3 caretaker approach to water supply operation

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