WMI - Water Management International
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ASSESSMENT AND REHABILITATION STUDIES OF THE DRINKING WATER SYSTEMS OF THE TOWN OF SAIDA AND BECHAR
Algeria
ASSESSMENT AND REHABILITATION STUDIES OF THE DRINKING WATER SYSTEMS OF THE TOWN OF SAIDA AND BECHAR
For each drinking water distribution network (Saida and Bechar towns: 400,000 inhabitants, network:
1,000 km):

• Data entry of drawings and existing system Geographical Information System (GIS),
• Diagnosis of existing distribution network and copy writing of bidding document,
• Diagnosis of the existing water supply system,
• Preparation of the master plan for the refurbishment and the extension of the water supply network,
• Supporting the technical and commercial management of the public corporation.


Description of WMI services


1. Studies

a. Diagnosis of existing distribution networks
  • Improvement of network zoning
  • Network diagnosis: measurement campaign and leak detection programme
  • Leak detection program training for local staff (using geophones or ground microphones and occasionally acoustic correlators) on a total length of over 600 km (almost 100% of the supply and distribution networks linear of the two towns studied)

b. Assessment of the technical and customer services management
  • Analysis of drinking water network management
  • Assistance for the implementation of a leak detection permanent cell
  • Elaboration of a software system for leak detection
  • GIS updating and network computerised modelling
  • Assessment of the customer services management
  • Assessment of customer relationship
  • Proposal of reorganisation
  • Evaluation of management performances

2. Supply and laying of hydraulic equipment
  • 210 zoning valves (ND from 100 to 300 mm)
  • 50 division metres (ND 150 to 300 mm)
  • 8 flowmetres (ND 300 and 400 mm)
  • 18 anti-reverse valves (ND 100 to 250 mm)
  • Construction of corresponding chambres and sight holes

3. Training of technical and senior staff
  • Leak detection training
  • Management training

Key results

  • Leak detection over 600 km water distribution network
  • Optimized customer management
  • Equipment supply and technical transfer to the water utilities of Saida and Bechar


IDENTITY CARD

   Location
 
Saida and Bechar , Algeria
   Date of award
 
04.2007
  Date of completion
 
10.2008
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