On February 10, 2022 JSC Lengiprotrans (part of the 1520 Group of Companies) received a positive opinion from the FAI Glavgosexpertiza on the project documentation and the results of engineering surveys for the object Reconstruction of the bridge over the Unezhma River at km 142 PK 5 of the Unezhma — Sulozero section Belomorsk — Obozerskaya line of the Northern Railway.
The reconstruction of the bridge, built in 1941, is carried out in connection with the long-term operation of the structure and the exhaustion of its resourceure.
To ensure the continuous movement of trains on the Belomorsk — Obozerskaya railway section, the design documentation provides for the construction of a new three-span reinforced concrete bridge at a technological (structural) distance from the existing track with the device of railway approaches to connect to the existing track. The length of the new railway section will be 0.803 km.
Also, design solutions include the reconstruction and removal of the existing engineering networks from the construction zone, the construction of complete transformer substations, the construction of a transport security control center and a low service platform.
Previously in September, 2021 the project documentation passed the verification of the federal leve state environmental expertise (SEE). The object was the first to receive a positive conclusion from the SEE, according to which the development of the "Environmental Impact Assessment" (EIA) section was carried out by the Lengiprotrans specialists completely on their own.
Design management was carried out by the chief project engineer of the bridge department Ekaterina Ilyinichna Yazlovitskaya. The author of the EIA section — Maria Valentinovna Tishkina.
