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Parsons to work on $3bn Dubai Municipality project

Parsons will provide feasibility studies, preliminary design, and detailed design project management for the municipality's $3.26bn Deep Tunnel Sewerage System project

Sewage from Bur Dubai will flow to the Jebel Ali STP.
Sewage from Bur Dubai will flow to the Jebel Ali STP.

Dubai Municipality has awarded a contract for its $3.26bn (AED12bn) Deep Tunnel Sewerage System project to Parsons. 

The deal was inked by the municipality's director-general, Eng Hussain Nasser Lootah and Jaafar Halawi, first deputy director of Parsons and the company's MENA director for industrial projects.

Parsons will provide feasibility studies, preliminary design, preparation of IPO, project management in detailed design stages, and implement and supervise the project's tunnels and lift station, according to state agency WAM.

Due for completion late in 2020, the project will comprise 121 sewage pumping stations across the city, and deep tunnels with a depth of 25m-90m below the surface. 

Lootah said the expected cost of designing, implementing, and operating the project through a 100-year period is $3.26bn. 

The project's implementation will be two-phased. 

Phase one will cover Deira, and a tunnel will be dug each in Deira to transfer sewage to the Warsan STP. 

Sewage from Bur Dubai will flow to the Jebel Ali STP under phase two. 

Additional phases could also be implemented in order to serve the new development zones or link Deira and Bur Dubai.

The tunnels' total length would be 70km, and the project will also include 140km of sewerage links, as well as main pumping stations. 

Lootah said traditional sewage systems in pumping stations and main lines typically require consistent maintenance and construction works within a five to 20 year period. 

However, the deep-sewage system could reduce sewage flows and mitigate the need for subsidiaries of pumping stations and sewage treatment plants. 

The project is expected to offer a 30% reduction in power consumption compared to traditional systems. 



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Construction Week - Issue 747
Aug 03, 2019