Wagenborg Nedlift has delivered two transformers for an expansion project at the Zeijerveen transformer station in the Netherlands.
The 250-tonne transformers travelled via river from Zagreb in Croatia before arriving in the Netherlands. In Rotterdam, they were then transhipped on to smaller barges destined for Assen.
After a few days, the cargoes arrived at a transhipment facility at the Noord-Willems canal. There, Wagenborg’s 350-tonne capacity crawler crane lifted the cargo off of the barge ready for road transport to the project site.
For the 2 km final leg of the journey to the Zeijerveen transformer station, the 4.52 m-high transformers needed to pass under a viaduct that was 4.6 m-high.
Wagenborg devised a special transport solution to overcome this challenge. A 135-tonne girder bridge was transported from the UK, which allowed the heavy loads to be suspended between two side beams, enabling a low ground clearance.
The transport combination involved one 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, followed by a rear section of the bridge and finally another ten-axle trailer followed by a truck at the rear. The combination measured 67 m in length and weighed 460 tonnes.
The impressive combination was able to slide under the viaduct at walking pace with a margin of barely a few centimetres, Wagenborg said.