M A C H I N E R Y ENERPAC 44 October 2017 RAIL BRIDGE GANTRY TACKLES DEADLINE Timing is critical for road and rail construction and land and maritime infrastructure projects, to avoid unscheduled disruption to passenger and freight services. However, even the best project planning can be undermined by adverse weather conditions, such as those encountered in Australia’s remote northern regions and in coastal regions throughout both Australia and New Zealand. Even winds greater than 20kph may prevent bridge deck lifting using a crane, leading to project delays. A safe and precise bridge deck lifting alternative is Enerpac’s Hydraulic Gantry lifting systems, which are being deployed throughout Australasia for use in heavy lifts involving construction, infrastructure, transport and mining, maritime and energy applications. Enerpac gantry systems are proven in Australasia and globally, with one of the technology’s recent successes being demonstrated by a leading road and rail heavy lift company, Osprey Heavy Lift Ltd, which used an Enerpac SBL900 gantry to prepare a replacement bridge section on the Chester line in the UK. GANTRY LIFT TECHNOLOGY The SBL 900 deployed on this project was one of two types Enerpac provides rail construction: Super Lift (SL) series: for lifts up to 400 metric tonnes (mT), and Super Boom Lift (SBL) series up to 1100 mT. Both types comprise four or more telescopic legs and an overhead beam or girder, allowing vertical lifting of heavy loads. If movement of the load is required, the complete gantry system and load can be traversed along a track. The Enerpac hydraulic gantries feature self-contained hydraulics and electrics, self-propelled
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