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Ashghal unveils drainage network plan for Doha

by CW Staff on Jan 24, 2013


This programme has been developed to meet the long-term demands of the South Doha catchment for the next 50 years.
This programme has been developed to meet the long-term demands of the South Doha catchment for the next 50 years.

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Qatar’s Public Works Authority, Ashghal, has unveiled a strategic drainage network programme, the Inner Doha Resewerage Implementation Strategy (IDRIS).

This programme has been developed to meet the long-term demands of the South Doha catchment for the next 50 years.

Addressing the unprecedented demand for a more comprehensive sewerage network, Ashghal has partnered with global propject management firm CH2M Hil to develop IDRIS as a major deep tunnel sewer network, and an advanced sewage treatment works that will return to Doha treated water suitable for irrigation.

The programme is designed to accommodate planned growth for over an additional million people in Doha’s south catchment.

Commenting on the strategy, Eng. Nasser Ghaith Al-Kuwari, manager of Ashghal’s Drainage Project department, said: “To enable the nation to support the future socio-economic needs of the country, Ashghal has adopted a strategic and comprehensive approach to deliver some of Qatar’s largest infrastructure projects.

"Addressing the demand for a more robust nationwide sewerage network, IDRIS will overhaul South Doha’s existing network’s capabilities and ‘future-proof’ it for several decades,” said Eng. Al-Kuwari.

Scheduled to be implemented over the next seven years, the programme is a result of studies which took a comprehensive and integrated approach, whereby various influences on sewage flows were examined, including projected community growth, the condition of the current drainage system and planned development such as Ashghal’s Doha Expressway and Qatar Rail's metro system.

Upon completion, the project will decommission over 30 ageing pump stations in the inner city area of Doha, and replace them with a single large deep terminal pump station 30km outside Doha.

Due to the significant depth below ground of the tunnelling works, IDRIS will utilise sub-surface techniques that will minimise the usual disruption associated with utility pipeline work.

The only visible signs in the construction of many kilometers of pipeline will be occasional access shafts and worksites.

CH2M Hill has been appointed as the programme management consultancy for the project to develop and oversee the implementation of IDRIS in a safe and sustainable manner, using innovative and best-in-class approaches.

Unveiling the programme to local and international infrastructure contractors and consultants, Ashghal held an Industry briefing on IDRIS on Wednesday 23 January in Doha.

The industry briefing provided an overview of Ashghal’s corporate strategy and vision and how IDRIS fits into that strategy, how to do business with Ashghal, and programme-specific information such as proposed works, timeline, and key implementation considerations, such as how to participate in the forthcoming tendering process.


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