EPC teams start forming for $22bn Dubai tunnels

24 September 2024

Register for MEED's 14-day trial access 

Some prequalified engineering, procurement and construction (EPC) companies for the contracts to develop and operate various packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project have started forming teams in anticipation of the next stage of the tendering process.    

In August, Dubai Municipality prequalified 21 companies and consortiums that can bid for three packages known as J1, J2 and W, and 19 for a fourth package known as J3, of the six-package project.

Some companies are in the process of finalising their partners, while at least one has said it does not intend to tap a partner.

While the country of origin is expected to play a role in the formation of teams, it is expected that the complementarity of the companies' expertise and resources will be crucial in the selection process.  

The client and its advisers have opted to prequalify EPC contractors ahead of investors in a departure from the classic public-private partnership (PPP) procurement process.

"The idea is to issue the technical information pack to the prequalified EPC contractors before the prequalification process for investors starts, allowing EPC contractors time to undertake the design process," a source familiar with the project recently told MEED.

He added: "These designs should be ready once Dubai Municipality completes the prequalification process for investors, saving roughly three months compared to the usual route, where the prequalification processes for developers and EPC contractors are done simultaneously."

The staggered prequalification process is expected to help ensure the request for proposals process takes about six months rather than the typical nine months.

Six packages

Under the current plan, the $22bn 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, and the links will extend 10 kilometres (km). 

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 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 them, unlike the first three packages, which are planned to be operated and maintained by the winning PPP contractors.

J1, J2, W and J3 will comprise the deep sewerage tunnels, links and TPS (DLT) components of the overall project.

The project’s remaining two packages entail the expansion and upgrade of the Jebel Ali and Warsan sewage treatment plants (STPs), and will be procured in a process separate from the four DSST-DLT components.

Prequalified EPC contractors  

The prequalified EPC companies for packages J1, J2 and W are:

  • Acciona Construccion (Spain) – Dubai branch
  • Besix Construct (Belgium)
  • China Harbour Engineering (China)
  • China Railway Group (China)
  • China State Construction Engineering Corporation (China)
  • Daewoo Engineering & Construction (South Korea) 
  • Dogus Insaat VE Ticaret Anonim Sirketi (Turkiye) – Abu Dhabi
  • FCC Construcccion (Spain)
  • Archirodon Construction (Overseas) Company (Greece) / BESSAC (France)
  • China Civil Engineering Construction Corporation – Dubai Branch / Shanghai Tunnel Engineering Company (STEC) / China Railway 14th Bureau Group Corporation 
  • Gulermak Agir Sanayi Insaat (Turkiye) / DETech Contracting (local)
  • National Marine Dredging Company (local) / Afcons Infrastructure (India) / ITD Cementation India 
  • The Arab Contractors (Osman Ahmed Osman & Company, Egypt) / Darwish Engineering Emirates (local) / AqualiaMACE Contracting Operation & General Maintenance (local)
  • Larsen & Toubro (India)
  • Porr (Austria)
  • Power Construction Corporation of China (China) – Dubai branch
  • Samsung C&T Corporation (South Korea) – Dubai Branch
  • SK Ecoplant (South Korea) 
  • Strabag Dubai (Austria)
  • The Petroleum Projects & Technical Consultation Company (Petrojet) – Egypt
  • Webuild  (Italy)

EPC companies that have been prequalified for package J3 are:

  • Acciona Construccion (Spain) – Dubai branch
  • Alghanim International General Trading & Contracting (Kuwait) 
  • China Railway Group (China)
  • China State Construction Engineering Corporation (China)
  • Daewoo Engineering & Construction (South Korea)
  • DETech Contracting
  • Archirodon Construction (Overseas) Company (Greece) / BESSAC (France)
  • China Civil Engineering Construction Corporation (China) – Dubai branch / Shanghai Tunnel Engineering Company (STEC) / China Railway 14th Bureau Group Corporation 
  • Gulermak Agir Sanayi Insaat (Turkiye) / DETech Contracting (local) 
  • International Foundation Group (IFG, local) / General Construction Company (local)
  • Nael Construction & Contracting (UAE) / Concord for Engineering & Contracting (Egypt) – Dubai branch
  • National Marine Dredging Company (local) / Afcons Infrastructure (India) / ITD Cementation India 
  • Mapa Insaat Ve Ticaret (Turkiye)
  • Mohammed Abdulmohsin Al-Kharafi & Sons (Kuwait)
  • Porr (Austria)
  • Power Construction Corporation of China – Dubai branch
  • Strabag (Austria)
  • Tecton Engineering & Construction (local)
  • The Petroleum Projects & Technical Consultation Company – Petrojet (Egypt)
Market-sounding

Dubai Municipality is expected to hold a market-sounding event for investors, MEED reported in early September .

The event is set to take place during the first week of October, a few weeks before interested investors submit their statements of qualifications (SOQ) for the projects' various packages.

MEED previously reported that the client had extended the SOQ submission deadline from 5 September to 21 October.

 Gravity system project

The DSST project aims to convert Dubai’s existing sewerage system from a pumped system to a gravity system by decommissioning the existing pump stations and providing “a sustainable, innovative, reliable service for future generations”.

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.

According to a source close to the project, the DSST will replace 120 pump stations, saving approximately 100 gigawatt-hours of electricity annually. 

https://image.digitalinsightresearch.in/uploads/NewsArticle/12590337/main0016.jpg
Jennifer Aguinaldo
Related Articles
  • Chinese contractor wins Morocco solar plant deal

    10 August 2026

    China Harbour Engineering Company (CHEC), a subsidiary of China Communications Construction Company (CCCC), has won a contract to build a solar photovoltaic (PV) power plant in Fez in northern Morocco.

    Known as GreenPower Morocco 4 (GPM4), the project is being developed by Moroccan company GPM Holding through its utility-scale solar subsidiary GPM Parks.

    The project covers engineering design, equipment procurement and installation, construction of an operation and maintenance building, grid connection and commissioning. It also includes upgrades to the associated substation.

    According to CHEC, the completed plant will supply electricity to the local grid, although it did not disclose the project’s capacity or contract value. 

    The project is being developed under Law 13-09, which provides Morocco’s framework for private renewable energy generation.

    According to its website, GPM Holding is also developing another solar PV project called GreenPower Morocco 2 (GPM2). This follows the completion of its first solar project, the 34MW project (GPM1) commissioned in Tangier in 2024. 

    GPM1 was developed by Green Power Morocco, a special purpose vehicle owned by GPM Holding and UAE-based Amea Power. The $30m project covers 75 hectares and includes 91,000 PV panels. It is expected to generate about 66,149MWh a year.

    The project has a 25-year power purchase agreement in place with Amendis, a subsidiary of Veolia Morocco. PowerChina was the main engineering, procurement and construction (EPC) contractor.

    Chinese contractors have previously been involved in other projects in Morocco’s renewable energy sector.

    Shandong Electric Power Construction Company (Sepco 3), a subsidiary of PowerChina, was part of the EPC consortium for the 200MW Noor 2 concentrated solar plants and 150MW Noor 3 concentrated solar power projects at the Noor Ouarzazate complex.

    New contract awards have been limited in Morocco in 2026, although six solar PV plants are now in the execution stage under phases one and two of the 305MW Noor Atlas solar PV programme.

    https://image.digitalinsightresearch.in/uploads/NewsArticle/18263680/main.jpg
    Mark Dowdall
  • Aramco puts out fire at Jizan refinery after Houthi strike

    10 August 2026

    Saudi Aramco said it had extinguished a fire that broke out at its Jizan refinery on Saudi Arabia’s Red Sea coast after the facility was hit in drone strikes by Yemen-based Houthi rebels on 9 August.

    The kingdom’s Ministry of Energy said the fire occurred at an Aramco refinery facility in Jizan and that emergency authorities had completed the necessary procedures to deal with the incident.

    The energy ministry did not say what started the fire, saying only that the incident caused no injuries.

    The Houthi rebels later claimed responsibility for the attack.

    The province of Jizan lies close to Saudi Arabia’s border with Yemen and has repeatedly been targeted by the Houthis in attacks on the kingdom’s energy infrastructure.

    The strike on the Jizan refinery was the second attack on the facility by the Houthis in as many weeks. Aramco shut the refinery on 27 July following a similar drone strike, which, according to media reports, damaged the integrated gasification combined-cycle unit and tank farm at the complex.

    On a call with investors to discuss Aramco’s second-quarter results, CEO Amin Nasser said recent attacks on the company’s facilities in the world’s top oil-exporting country had caused some disruption to production, but that he was confident operations could be restored quickly. He said the attacks had had no material operational or financial impact.

    Jizan refinery complex

    Saudi Aramco’s sprawling Jizan refinery complex entered operations in 2021.

    Aramco undertook the estimated $16bn-plus project in late 2010. The scheme consists of a refinery with an output capacity of 400,000 barrels a day (b/d), a major marine terminal and a 4GW combined-cycle power plant in Baish, in Saudi Arabia’s southwestern Jizan region.

    The Jizan refinery covers an area of 12 square kilometres. The complex processes Arabian Heavy and Arabian Medium crude grades to produce 80 million b/d of gasoline, 250 million b/d of diesel and more than 1 million tonnes a year of petrochemical products such as benzene and paraxylene.

    A multiple-pier marine terminal supports the supply of crude oil from oil fields located mainly in the kingdom’s Eastern Province to the refinery, as well as the export of surplus refined products to overseas markets. The terminal has been designed to accommodate very large crude carriers.

    A 4,000MW combined-cycle power plant uses approximately 90,000 b/d of vacuum residue from the refinery to generate electricity, hydrogen and water for the refinery, while conveying excess power to the national grid.

    The hydrocracker unit comprises two parallel trains with a combined capacity of 54,500 b/d. The diesel hydrotreater plant comprises two trains, each with a capacity of 87,500 b/d.

    https://image.digitalinsightresearch.in/uploads/NewsArticle/18262347/main.jpg
    Indrajit Sen
  • Shamal picks Dutco for Dubai Zoo site homes

    10 August 2026

    Dubai-based Shamal Holding has awarded local contractor Dutco Construction the main construction works contract for a low-rise residential project on the site of the former Dubai Zoo in Jumeirah 1.

    The project will comprise 90 low-rise homes and is designed as a residential leasing community that will remain under Shamal’s ownership, with all homes offered for premium leasing.

    The development will retain mature trees from the former zoo and is planned around shared courtyards, landscaped open spaces and a central park. Residents will have access to a clubhouse, wellness area, children’s play area, family pool, lounge and gym.

    The architect is DXB Lab. The local H&H is the development manager for the project.

    Dutco has previously worked with Shamal on infrastructure elements of the Dubai Harbour and Dubai Harbour Marinas developments.

    Shamal’s wider real estate portfolio includes the Naia Island, Dubai Harbour and Nad Al-Sheba Gardens developments. The company also holds hospitality and leisure assets, including partnerships with Jumeirah, Hilton and Baccarat, and operates attractions such as Skydive Dubai and Deep Dive Dubai.

    https://image.digitalinsightresearch.in/uploads/NewsArticle/18262386/main.png
    Colin Foreman
  • WEBINAR: Mena Oil & Gas Projects Market 2026-27

    10 August 2026

    Webinar: Mena Oil & Gas Projects Market 2026-27 
    Thursday 27 August 2026 | 11:00 AM GST  |  Register now


    Agenda:

    • Summary of the Mena oil, gas and petrochemicals projects market 
    • Overview of major megaprojects, including project programmes
    • Analysis of active contracts and spending to date
    • Review of top contracts by work already awarded
    • Long-term capital expenditure outlays and forecasts
    • Key contracts expected to be tendered and awarded over the next 18 months
    • Leading clients, contractors and market participants
    • Spending by segment: oil, gas and petrochemicals (upstream, downstream, onshore and offshore) 
    • Audience Q&A 

    Hosted by: Indrajit Sen, MEED’s oil & gas editor

    Click here to register

    https://image.digitalinsightresearch.in/uploads/NewsArticle/18260597/main.gif
    Indrajit Sen
  • Spanish firm renews Yanbu desalination O&M contract

    10 August 2026

    Spain’s Aqualia has announced it has renewed a contract to operate and maintain three floating desalination plants in Yanbu on Saudi Arabia’s Red Sea coast.

    The contract was awarded by the National Shipping Company of Saudi Arabia (Bahri) and will run until 14 September 2028, with an option to extend for a further two years.

    The three reverse osmosis (RO) plants are mounted on barges and have a combined production capacity of 150,000 cubic metres a day (cm/d). Each plant has a capacity of 50,000 cm/d.

    The three plants were originally deployed at Al-Shuqaiq and are designed to be relocated along Saudi Arabia’s coastline according to water demand. The barges are currently located at Yanbu.

    The $255m floating desalination project was commissioned for the Saudi Water Authority in 2022, with Bahri as the developer and UAE-based Metitio as the main contractor.

    Bahri is publicly listed on the Saudi Exchange but has significant government ownership, with the Public Investment Fund (PIF) holding 22.5% and Saudi Aramco Development Company owning 20% of the company.

    Aqualia is providing operation and maintenance services in Saudi Arabia through its joint venture Haji Abdullah Alireza Integrated Services Company (Haaisco), in which it holds a 51% stake.

    https://image.digitalinsightresearch.in/uploads/NewsArticle/18259350/main.jpg
    Mark Dowdall