Girder bridge debut in the Netherlands

07 June 2021

In the Netherlands, European electricity transmission system operator TenneT and electricity supplier Enexis Netbeheer are expanding a transformer substation in Assen. As part of this expansion Dutch heavy lift and transportation specialist Wagenborg Nedlift was commissioned to transport two transformers weighing 250 tonnes each.

The transformers had already been transported 1,500 km by barge from Zagreb, Croatia, to the Netherlands. In Rotterdam the transformers were trans-shipped to smaller barges which moved them to a specially prepared unloading area on the Noord-Willems canal nearer to Assen.

There Wagenborg Nedlift used one of its 350 tonne crawler cranes to unload the transformers onto a girder bridge owned by UK heavy lift and transportation specialist Collett. According to Wagenborg Nedlift, it utilised Collett’s girder bridge because the loads had to pass under a low motorway bridge. The company said this was the first time a heavy load girder bridge had been used in the country due to the extensive waterway network available in the country meaning most heavy loads can be transported to their end location via water as opposed to road.

The abnormal load convoy comprised a truck at the front, followed by a ten-axle trailer carrying the front section of the girder bridge, then the transformer in the girder bridge, then the rear section of the girder bridge, and another ten-axle trailer, followed by truck at the rear. The transport combination had a total length of 67 metres and a weight of 460 tonnes.

Wagenborg Nedlift said the move went well, with the transformers passing under the bridge with a few centimetres clearance.

Video credit: Meternieuws

Photo credits: Bert Maathuis/ Fa. Wiertsema/ Marcel de Jong/ Ewald Derksen

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