Design & Build of Doha South Terminal Pumping Station and Odour Control System

The contract for the design and construction of a wastewater pumping station in Doha, Qatar, included the construction of a wastewater pumping shaft with a depth of 50 m, a diameter of 36 m and a planned pumping capacity of 6,000 l/s. Also built were an upstream screen shaft with a similar depth and a diameter of 24 m, including a state-of-the-art odour control system, as well as ancillary buildings and facilities.
 
In detail, the works included the design, procurement, construction, testing, commissioning, completion and defect correction of:

• Screen shaft to a depth of 50 m below the existing ground level and with an outer diameter of the shaft of approx. 26 m
• Terminal pump station shaft to a depth of 50 m below existing ground level and a diameter of approx. 37 m with a future peak pumping capacity of approx. 5,903 l/s
• Regional odour control facility
• Connections to IDRIS main trunk sewer line shaft
• Two 1,600-mm-ID shaft connections between screen shaft and terminal pumping shaft
• Two 1,400-mm-ID rising mains between terminal pumping station to the nearby and existing Doha South Sewerage Treatment Plant
• Ancillary buildings and facilities
• Power supply

Commencement date of the works was 3 February 2019, with completion in July 2021.