EngineeringMilestones

Engineering milestone in London Underground station

Delivery of the LB36 piling rig and slave crane onto the temporary piling grillage was done on a Self-Propelled Modular Transporter (SPMT) platform.

It may not seem like much to the bystanders passing the Moorgate Underground tube station in London every day, but a significant engineering milestone has been crossed before their eyes recently.

Robert Bird Group (RBG), a member of the Surbana Jurong Group, is providing Structural and Civil Engineering design and Construction Engineering to Land Securities, London, for a commercial development above the station.

This air-rights commercial development has a number of constraints, including the existing six railway lines at the station level, two cross-rail runnels below ground, the new cross-rail ticket hall and a major sewer. In addition, station services must not be disrupted. After demolishing the existing seven-storey building at the station roof level, a 17-storey office building that will bridge 55m over Moorgate Station will be constructed.

A significant project milestone took place in April with the delivery of the LB36 piling rig and slave crane onto the temporary piling grillage on a Self-Propelled Modular Transporter (SPMT) platform. Piling started after some final enabling works, topping off the hard work put into this significant piece of temporary works (2,000 tonnes of steel) and allowing for the smooth transition into the next key construction stage of the project.

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