The tunnel under National Road No. 1 in Tychy
On 22 July 2014, Mostostal Warszawa completed works on the tunnel under National Road No. 1 in the district of Wartogłowiec in Tychy, along with construction of a connection route between Cmentarna Street and Goździków Street.
Project characteristics: the implementation goal was to build a tunnel under National Road No. 1 in Tychy along with construction of a connection route between Cmentarna Street and Goździków Street, which is grade-separated road system intersecting National Road No. 1 (Beskidzka Street) at 1+682.41 km in the district of Wartogłowiec.
Contractual value: PLN 13 728 302.26 gross
Construction of a road tunnel under National Road No. 1 (spandrel beam of the tunnel - approx. 640 m3 of concrete)
Total length - 45.5 m
Span of axes - 13.9 m
Vertical clearance - 4.5 m
Load class - A
Approx. 640 m3 of concrete
Construction of retaining walls - cavity walls (more than 3,100 m3 of concrete), and "angular" walls (more than 400 m3 of concrete)
Construction of staircases
Construction of road no. 1 (passage under National Road No. 1), reconstruction of road no. 2, Goździków Street, Skotnica Street, Cmentarna Street - a total length of over 750 meters.
Construction of an intersection - roundabout
Construction of sidewalks and bicycle paths - more than 3,800 m2
Horizontal and vertical marking
Reconstruction/construction of a sewerage network with installation of a pumping station with a capacity of 41 dm3/s and a retention reservoir with a capacity of 47m3
Reconstruction of water supply networks
Reconstruction of gas networks
Electrical works: construction of lighting, reconstruction of MV and LV lines, construction of connections for the pumping station
Reconstruction of telecommunication networks
• Investor: Municipal Management Board of Streets and Bridges in Tychy
• Contractor: Mostostal Warszawa S.A.
• Contract value: PLN 13.7 million
• Implementation period: 2013 - 2014