Dubai Municipality has awarded a major consultancy and supervision contract to US-based Parsons Corporation for a Dh12-billion ($3.26 billion) deep tunnel sewerage project that will cover key catchments of Deira and Bur Dubai in the city, said a report.
As per the deal, Parsons will be responsible for feasibility studies, preliminary design, preparation of IPO, then project management in detailed design stages as well as the implementation and supervision of the implementation of tunnels and the lift station, reported state news agency Wam.
The Dubai Strategic Sewerage Tunnel system is one of the most vital and strategic projects for the emirate as on completion in 2020, it will replace more than 121 sewage pumping stations spread across the city with a flexible and integrated system, it stated.
It is a hitech urban project that will spare the emirate sewage problems, maintenance works, and other issues for 100 years to come, stated Hussain Nasser Lootah, the director general of Dubai Municipality after signing the contract with Jaafar Halawi, the first deputy director of Parsons and Middle East and North Africa (Mena) director for industrial projects.
The project, to be implemented in two phases, will be completed in four years. The Phase One in the Deira area of the emirate will see a tunnel being dug in that locality and another in Bur Dubai.
The tunnels’ total length is more than 70km, in addition to nearly 140 km of sewerage links and a number of main pumping stations. Additional phases could also be implemented in order to serve the new development zones or link the two regions of Deira and Bur Dubai, it added.
The deep-sewage system, as in other megacities, will reduce current sewage flows and cancel subsidiaries of pumping stations and sewage treatment plants. Hence, there will be no need for tanks to transfer sediments through the city, from substations to the main plants, for treatment and disposal, explained Lootah.
Under this project, sewer lines will be built underground using the innovative tunnels technology, which reduces the damage caused by construction works (including roads, passages and other utilities), stated the official.
This innovative and sustainable system will ensure a lower cost and a long-term solution for sewage problems in the city, will minimise damage caused to the society and the city, and will contribute to transform these places into commercial or public areas in order to make use of them, he added.
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