The subject of the contract is the construction of a passage under the tracks at km 37,688 of the railway line No. 99 at the Poronin station together with accesses, stairs and lifting equipment and the necessary technical equipment, including drainage of the passage and liquidation of the temporary access to platform No. 2 through track No. 3.

The subject of the contract is the execution of works consisting in the construction of a passage under the tracks at km 37,668 of railway line No. 99 at the Poronin station along with accesses, stairs and elevators and the necessary technical equipment, including drainage of the passage and liquidation of the temporary access to platform No. 2 through track No. 3.