Adalsbanan Grindex pumps bedrock for more trains Dewatering a big tunnelling project demands both reliable dewatering pumps and a well planned sedimentation system. This case study from the Swedish railway project Adalsbanan shows a good example of this. Adalsbanan is one of the biggest railway projects in Sweden and comprises investments of 6600 MSEK. It stretches as far as 130 kilometres, from the city of Sundsvall to the connection to the Bothnia Line. Lemminkäinen at work Adalsbanan will have eight new tunnels with a total length of 14 km, straight through the Swedish bedrock. One of the contractors is Lemminkäinen Infra; they are contracted for the construction of Bjässholmstunneln, Kroksbergstunneln and Utansjötunneln (among others). The two longest tunnels will be 4.5 kilometres (

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