Construction of the new Kuznetsovsky tunnel

Construction period	April 2008 – June 2013
Client	Department of complex reconstruction of railways and construction of rail transport projects ("DKRS") – the branch of JSC "Russian Railways"
Design company	ООО PII "Bamtonnelproject" Ltd
Construction company	"Tunnel Division-12 – Bamtonnelstroy" Ltd
Tunnel length	3890,00 m
Tunnel cross-section without lining Tunnel cross-section with lining	71,52 55,3 m2
Excavation method	LOVAT RME-375 SE TBM, D=9,5 m
Lining	reinforced concrete segment lining (circular type)
Geography	Khabarovsk Region, Far Eastern Railway, Komsomolsk-na- Amure – Sovetskaya Gavan section
Map

The Kuznetsovsky railway tunnel is located in the Komsomolsk-na-Amure – Sovetskaya Gavan section of the Far Eastern Railway. It is projected to construct the one-track railway tunnel and the service tunnel running parallel to each other is planned. The service tunnel length is 3911 m. The service tunnel longitudinal section is dual - slope. This project consisting of the railway tunnel, the service tunnel, pre-portal cuttings, job sites and a dead-end track is located in Vanino, the Khabarovsk Region. In 2008, temporary buildings and facilities were built on job sites, and the east pre-portal site was arranged.

In 2009, excavation of the service tunnel began by using the Robbins DS 1413-301 TBM. In 2010, excavation of the railway tunnel commenced using the Lovat RME 375SE TBM.