Interstate 90 Connector Tunnel ceiling collapse

This article highlights the different types of crane available (and the factors which determine their use), the process for introducing a crane onsite and the specific requirements when using tower cranes.

Sean Brady examines the remarkable engineering works that may have underpinned the Hanging Garden of Babylon - one of the Seven Wonders of the Ancient World.

Sean Brady stresses the importance of managing 'human factors' to reduce human error within bridge projects, citing international examples from which lessons can be learned.