Ansaldo STS has been appointed as operator of 4 lines of the Riyadh Metro network. Credit: Copyright Alstom.

Ansaldo STS-led FLOW consortium has secured a $2.9bn contract from Arriyadh Development Authority (ADA) to provide operation and maintenance services for Riyadh Metro in Saudi Arabia.

The FLOW consortium also includes Ferrovie dello Stato Italiane and Alstom Transport as members.

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The scope of the contract involves providing operations and maintenance services on lines 3, 4, 5 and 6 of the Riyadh Metro system for 12 years, including the mobilisation period.

Overall, FLOW will be responsible for around 113km of railway system; 50 stations, including two main stations and five interchange stations; three depots; and three OCCs.

Ansaldo STS CEO and general manager Andy Barr said: “We are very proud that our client ADA, for whom we are currently delivering as leader of a technological JV a fully integrated Metro System for line 3, is renewing its trust in Ansaldo STS’ capabilities and expertise with this additional iconic contract for the Operation and Maintenance Services for four lines.”

“The scope of the contract involves providing operations and maintenance services on lines 3, 4, 5 and 6 of the Riyadh Metro system for 12 years.”

FLOW consortium will also be in charge of metro operation, security, passenger assistance, facility management, maintenance of associated infrastructure such as stations, ‘Park & Rides’ and depots, and rolling stock, signalling, telecommunication, power supply among others.

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Under the contract, Alstom will be responsible for the maintenance of the transit system and the rolling stock.

The company will also maintain all fixed installations across the four lines, including tracks, signalling, and power supply systems.

Set by ADA, the Riyadh Metro contract requires the consortium to maintain at least 45% of Saudization and use a minimum of 55% of local content for supplies and services.

FLOW is also expected to hire local people in several engineering and technical positions for the project.