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Skanska in Poland
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Działalność i usługi serwisowe
Projektowanie i budowanie przy użyciu wirtualnych modeli (BIM)
Biecz is a 750-year old historic town located in the south of Poland, in the Lower Beskid mountains. Due to its rich history and many fragments of buildings and town walls dating back to the Middle Ages, Biecz tends to be called "a little Cracow", the pearl of Podkarpackie province or the Polish Carcassone.Each day, more than 6 000 vehicles, including trucks and heavy lorries, were passing through narrow and winding city streets. In conditions of limited visibility resulting from dense urban development, such traffic volume was a risk to the inhibitants and drivers. Additionally, exhaust fumes, vibrations and noise adversely affected the valuable Biecz historic monuments.In April 2007 Skanska commenced construction of a long-awaited ring road. In less than 18 months we realized over 5-kilometre long city bypass. The investment valued at more than 97 mllion PLN included execution of a single carriageway, two retaining walls and five bridge structures.
The Biecz bypass was contstructed in the route of the longest national road running through the Małopolskie Province. Thanks to the new road all transit traffic was moved outside the town centre, which significantly improved the comfort of everyday life for the local inhibitants, shortened the travel time through Biecz and reduced the emission of exhaust fumes.
In December 2007 we were awarded by our Investor with the title of the "Partner of the Year 2007" and the Golden Shovel statuette. This award is an expression of gratitude for fast and efficient project execution and good cooperation with the Investor.In May 2009 our project won in the "Road and Bridge Construcion of the year 2008" competition, organized by the Rzeszow Branch of the Polish Association of Engineers and Communication Technicians.
E-mail Iwona Walczak
Segment rynku: Roads, Bridges
The longest bridge structure we built in the bypass route is a 161-metre long bridge over the Ropa river. The five-span object has a joined steel and concrete structure. Individual parts of the structure were joined on transom poles, and then assembled on the pillars. The most difficult moment in the construction process was the assembly of both box girders. Each of them weighed 74 tons and was 41 metres long. To lift the girders up and to place them on the pillars we used the biggest wheeled crane available in Poland, with maximum lifting capacity of 700 tons. Due to the landscape conditions and the vicinity of a river bed, the assembly of one of the girders was accompanied by another crane, with lifting capacity of 130 tons. The total weight of the bridge steel structure amounted to 608 tonnes.Construction of a three-span viaduct over an active railway was a huge challenge for us. The investment also included construction of three one-span structures: a bridge over the Libuszanka stream, a viaduct in the route of a district road and a bridge over the Sitniczanka stream.Due to weak bearing ground capacity we reinforced the subsoil for embankments with crushed aggregate and geogrid mattresses as well as gravel and rubble columns.The investment included redevelopment of energy, gas, water, sanitary sewage and rain water system networks together with the "Długosz" mine oil pipelines and replacement of three oil-well pumps.
We installed 8 separators with clarifiers - devices which purify the rain water from oil-derived substances and other pollution, thus reducing the adverse impact of the ring road on the environment. We reinforced the slopes with coconut mats which will protect the surface against erosion caused by wind and precipitation. The mats are made of fully degradable material which maintains the right humidity and creates appropriate conditions for grass growth.In order to limit the traffic noise we placed acoustic baffles in the vicinity of households.Along the bypass we planted 3621 bushes and trees.
Earth works: 280 000 m3Pavement made from mineral asphalt mix: 36000 tonsBridge over the Ropa river: 161mBridge over the Libuszanka stream: 33,5mBridge over the Sitniczanka stream: 29mViaduct over railway line: 56mViaduct in the route of district road: 25m