Consultancy tender involves studying life expectancy of sewage pressure mains and trunk sewers
Qatars Public Works Authority (Ashghal) has invited firms to submit bids for the consultancy contract to carry out a condition survey and technical assessment across the entire sewerage network.
Firms have until 4 November to submit proposals for the contract. It involves producing preliminary, then final, reports on, at minimum, the identification, location and assessment of the condition of sewage pressure mains (SPM) and trunk sewers (TS). This will also involve determining the life of the sewerage infrastructure.
The project totals 341 miles of pipeline operated by the assets affairs, operation and maintenance department of Ashghal. It covers 252 miles of SPM and 89 miles of TS connecting pumping stations and forwarding to the two main sewage treatment works, Doha South and Doha West.
This is one of several sewerage schemes tendered this year as Qatar invests heavily in expanding and upgrading its infrastructure in preparation for footballs 2022 Fifa World Cup. These include an odour management project, on which bids close 11 November, and contracts to build and maintain pumping stations.
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