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Design and Build of Doha West Sewage Treatment Works (Expansion 1 & 2)

Brief description

​The project included the refurbishment and upgrading of the Doha West Sewage Treatment Works (STW) through increasing its treatment capacity from 50 million litres/day to 70 million litres/day, in addition to improving its performance by adding advanced treatment techniques.

Benefits
  • ​Increasing the plant’s treatment capacity from 50 million litres/day to 70 million litres/day

  • Adding an advanced treatment process which is IFAS Technology

  • Upgrading the pre-treatment units to improve the efficiency of screening of fat and oil as well as grease removal

  • Ugrading the old biological treatment system with the new MBBR system

  • Rehabilitating 12 sand filter units

  • Improving the performance of the sludge treatment path

Project Information
Geographical Location N/A
Area Al Sailiya
Sector Drainage Projects
Total Cost 278,795,356 Q.R.
Status Complete
Type Drainage
Start Date 01 September 2019
Expected completion date First quarter of 2023
Construction company

Veolia – Marubeni, JV

Consulting company

​Stantec UK limited, Qatar Branch​​