STI s. r. o, slovak tunneling and mining company. www. sti. sk.
Hlavná 74
053 42 Krompachy
Visnove tunnel Project started in 1997 and completed in 2004. Project type: Geological survey gallery. Location: Visnove, Slovakia. Description: Geological survey gallery for future tunnel road on slovak D1 highway. The length of the tunnel is 7480m for a cross section of 11, 5m2 . Technology: East portal (4500m): TBM method. . Additionnal informations Includes special insulation application.