RIYADH: Bahrain’s ministry of transportation and telecommunications has received 11 documents from bidders showing interest to pre-qualify for a contract to construct the first phase of the Bahrain metro, International Railway Journal reported. The 109-kilometers project is expected to be completed over four diverse stages. The first phase of the metro will include two lines measuring 29 km, 20 stations, and two interchanges. The scope of the work for the project will include the design, build, finance, operation, maintenance, and transfer of the project. Bidders for the project include China Railway Group, Orascom Construction, and Hyundai Engineering & Construction, among others. The contract is anticipated to run for an estimated 35 years.