Swantest have been working alongside InterSteels & Mace on the Victoria Nova Development, London. Our services were required to preload a series of hold down bolts for the base of an on-site tower crane. The prerequisite of the job was that each of the 16 hold down bolts would be loaded to 2300kN. In order to carry out this procedure we utilised a set of hydraulic bolt tensioners; working a pai

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