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A Vanson Cranes VC15 from a range of self erecting tower cranes is designed to reduce on-site costs and icrease operational efficiency. To reduce erection and dismantling costs VC towers are designed to be erected in a smaller working envelope than conventional towers. On sites in congested urban areas the confines of a site can make the use of other types of lifting equipment impractical, Vanson said. In addition, the jib folds in half so the crane does not have to oversail neighbouring property. • For more on self erecting tower cranes in confined spaces see the feature starting on page 46.