The consortium was announced as the preferred bidder for the contract in November. However, legal challenges by two other bidders - the China Railway Group and the ACPC Consortium consisting of Acciona Construction, Spain, and Power Construction Corporation, China - contested the award.

The parties have five business days to appeal to the Administrative Court of Public Contracts. However, to do so they must record a bond of 15% of the value of the contract.

Line 3 will be 25km long monorail with 14 stations and will run from Albrook to Ciudad del Futuro. An end-to-end journey time of 45 minutes is envisaged, and the line will have an initial capacity of 20,000 passengers/hour/direction during peak periods. The line will be served by 28 six-car trains.

The project is estimated to create 3500 direct and 1000 indirect jobs. HPH will have 54 months to execute the project.

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