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19 May 2015

Smart solutions for installing biggest steel bridge

In Lithuania, Mammoet transported and installed a walking bridge across the Alytuas Park valley in the city of Alytus. The main section of the bridge and the two side sections are each approximately 100 meters long. The resulting 300 meters of solid steel weighs over 600 tons which creates challenges when maneuvering the sections due to both their length and weight.

Construction Company Alkesta, a major construction company in Lithuania, was commissioned by the Lithuanian Government to build a unique walking bridge. The delicate bridge will connect two banks of the river Numenas, which crosses the Alytuas Park valley and is the biggest river in the country. Alkesta asked Mammoet to carry out the transportation and installation of the sections with an average weight of 204 tons each.

The original bridge across the Numenas was destroyed during bombing in World War II. The purpose of the new crossing is to make the area, which is a national reserve, more accessible, enabling people to enjoy the local nature more. Thus, the government aims to increase the number of tourists and further grow the area economically.

The project presented a range of challenges including possible harsh weather conditions, a strong current and the width of the river. Mammoet’s experience in carrying out these types of complex and extensive projects enabled us to advise the client on the best possible approach. Previous experience working in environmentally sensitive locations like national reserves, where many responsible construction methods are required, was especially useful. Due to the excellent client relationship and on-site teamwork by professionals from across several regions, the project was executed safely, timely and smoothly to the satisfaction of our client on May 13th up and until May 16th 2015.

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