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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
Standardization of design & material use
Malawi
Apparent losses
Real losses
Standardization of design & material use
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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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Caretakers Approach
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1717
Questions??????????
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Thank You