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CONSTRUCTION SUPERVISION OF THE DISTRIBUTION NETWORK, TRANSMISSION MAINS AND SERVICE RESERVOIRS IN THE SOUTHERN PART OF DAR ES SALAAM

Tanzania

Project

This project is part of DAWASA’s urban water supply modernisation programme. It aims to improve drinking water services for about 450,000 residents through a more reliable supply, a strengthened network and additional storage capacity, in the wards of Bangulo, Kipunguni, Kitunda, Kisopwa and Mzinga (Magole and Mwanagati), among others. 

The main works are: a transmission main of about 10.75 km in mild steel (mainly DN700) between the Kibamba pumping station and the new Bangulo reservoir, with a new booster station at Kibamba; a 9,000 m³ reinforced concrete service reservoir at Bangulo; distribution mains in steel (DN250 to DN700) and PVC (DN200) to the served wards; and secondary uPVC distribution networks (DN75 to DN200).

Our mission

  • supervision of all works (reservoir, pipelines, pumping station) and verification of their compliance with contractual requirements, technical standards and local regulations; 
  • design review and technical validation of studies and drawings, with optimisation recommendations; 
  • quality control and assurance: materials testing, site instructions and non-conformance reports; 
  • technical and contractual administration: monitoring of pipe laying and reservoir construction, management of variations and claims, verification of payment certificates; 
  • monitoring of environmental and social compliance and of health and safety measures (audits, toolbox talks); 
  • organisation and supervision of testing, commissioning and hand-over to the Client.