RSS supports railway footbridge removal22 June 2020

Rope and Sling Specialists (RSS) has revealed that it recently provided rigging gear to Quattro Plant as an adapted rail crane lifted a 20t railway bridge that was knocked off its foundations by a heavy goods vehicle in South Wales.

Quattro utilised its 55t capacity Demag AC55 Rail (City) Crane to complete the urgent removal of the approx. 24m-long footbridge that had fallen awkwardly, with one section trapped between a tree and an abutment wall.

Quattro contracted RSS to supply rigging gear to work beneath the hook of the three-axle, telescopic boom, all-terrain crane. It delivered three spreader beams that were used in a one-over-two configuration; a MOD50 was used at 10m in length at the top, while two MOD24 beams were used at 3m in length underneath. According to RSS, the MOD50 can be used up to 50t at 8m and up to 13m at a lower capacity, while the MOD24 can be used up to 24t at 5m and up to 8m at a lower capacity. All were supplied with top and bottom shackles.

RSS also supplied a pair of 30t capacity roundslings with an effective working length of 10m that were rigged from the crane’s hook down to the top beam. Four 10t capacity roundslings with an effective working length of 4m connected that beam to its lower counterparts. Completing the rig were four 12t capacity, 6m-long collar chains and shorteners, and four 25t capacity alloy bow shackles.

Gary Worsley, site manager and appointed person at Quattro, explains: “The bridge was cut into sections prior to removal because of the way it had fallen, and each load was cradled as we lifted the pieces. We lowered them onto a road rail vehicle and trailers for transportation by rail to a site compound, where they were to be off-loaded and cut up into smaller pieces as scrap. The rig was the most efficient given the loads, based on structural reports issued by our client; centre of gravity wasn’t a complication in this case.”

Stephen Littler, regional manager, Warrington, at RSS, says: “The footbridge removal was another example of us sourcing and mobilising a below-the-hook rig for use in an emergency situation. Same-day delivery is imperative in such situations; without healthy stock levels at each of our regional depots, that kind of service would be impossible to provide to customers like Quattro or others who fulfill this type of contract.”

Adam Offord

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