Dubai seeks Jebel Ali sewage treatment plant advisers
23 October 2024
Dubai Municipality has invited engineering consultancy companies to prequalify for a contract to provide advisory services for the planned expansion of the Jebel Ali sewage treatment plant (STP) phases 1 and 2.
The scope of the consultancy services includes study and preliminary design, tender, construction supervision and handover for the project, which aims to increase the capacity of the two phases of the plant.
The client expects to receive statements of qualifications from companies by 31 October.
The expansion and upgrade of the Jebel Ali STP is one of the six packages comprising the $22bn Dubai Strategic Sewerage Tunnels (DSST), which is being procured using a public-private partnership (PPP) model.
The other package comprises the rehabilitation and expansion of the existing Warsan STP, for which Dubai Municipality sought advisers in January this year.
The Warsan STP PPP technical advisory scope has been divided into several stages, including a preliminary study, preliminary and final design, the preparation of tender documents, prequalification and tendering, and construction supervision.
DSST packages
The procurement processes for the two STP packages are being run separately from those for the four tunnels, links and terminal pump stations that make up the $22bn DSST project.
MEED understands that the tenders for the Warsan and Jebel Ali STP packages are expected to be issued once the DSST project's first four components get under way.
Under the current plan, the DSST project is broken down into six packages, which will be tendered as PPP packages with concession periods lasting between 25 and 35 years.
The first package, J1, comprises Jebel Ali tunnels (North) and terminal pump stations (TPS). The tunnels will extend approximately 42 kilometres (km), and the links will extend 10km.
The second package, J2, covers the southern section of the Jebel Ali tunnels, which will extend 16km and have a link stretching 46km.
W for Warsan, the third package, comprises 16km of tunnels, TPS and 46km of links.
J3, the fourth package, comprises 129km of links.
J1, J2, W and J3 will comprise the deep sewerage tunnels, links and TPS (TLT) components of the overall project.
J1, J2 and W will be procured under a design-build-finance-operate-maintain model with a concession period of 25-35 years.
J3 will be procured under a design-build-finance model with a concession period of 25-35 years. Once completed, Dubai Municipality will operate J3, unlike the first three packages, which are planned to be operated and maintained by the winning PPP contractors.
Dubai currently has two major sewerage catchments. The first in Deira is Warsan, where the Warsan STP treats the flow.
The second catchment is in Bur Dubai, where the wastewater is treated at the Jebel Ali STP.
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