The scheme is a flagship project in the run-up to the 2022 FIFA World Cup. It will take five years to build and will involve up to involving up to 3,000 employees.
The southern works package of Qatar Rail’s Doha metro red line will be carried out by the QDVC joint venture, made up 51% of Qatari Diar and 49% of Vinci Construction Grands Projets. The team also includes Qatar's Al-Darwish Engineering and Korea's GS Engineering & Contracting company.
The contract is for a 13.8km dual-tube underground line between the Doha airport and the Msheireb neighbourhood in the historic centre of the Qatari capital.
The future red line will run along the Gulf coast. One of the project's challenges will tbe to prevent water ingress during tunnel boring operations. Five earth pressure tunnel boring machines with an outside diameter of more than 7m will operate simultaneously. The contract also includes the design and construction of six underground stations, 51 safety connections between the tubes and three emergency evacuation shafts.