Jackfield Stabilisation Project | Piling Contractors | Vibro | Keller UK

Jackfield Stabilisation Project

Keller installed the piles for the Jackfield Stabilisation scheme. The scheme involved stabilising a historic ongoing landslip at one of the narrowest points on the River Severn. Piles were bored through tile waste from previous industry and socketed into the underlying sandstone and mudstone bedrock.

A strict sequence of installation and positioning of plant and equipment was required to ensure the stability of the slope was not impaired with heavy plant during the installation of the permanent works.

The first phase of work was the installation of 600mm diameter piles and 2000 were installed and reinforced full length with a 457mm x 10mm hot finished and seamless CHS tube. The piles were installed using a Soilmec SR80 with a 15Tm rotary head and using the rigs 38T pull-down capability to ensure the design length was achieved .

The second phase of work was the installation of 350mm diameter piles immediately adjacent to the river bank. 500 of these were installed and reinforced with a 139mm x 6mm CHS. Due to restricted access the installation of these required the use of  Klemm 709‘s due to the restricted access and the stability of the existing slope.

 

Client: Telford & Wrekin Council

Contractor: McPhillips (Wellington) Ltd

Engineer: Jacobs

Year of Execution: 2014-2015

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