M6 Junction 13-15 Smart Motorway Project
Client: Highways England
Principal Contractor: Kier
Value of contract: TBC
Description of Works:
The supply and installation of steel sheet piling to form a permanent retaining wall as part of the pinch-point works at Yarnfield.
The king sheet pile wall system was utilised on this project. Piles supplied were AZ crimped pairs. King piles were AZ46-700N x 10.5m long and AZ14-700 x 6.5m lon8g and the intermediate piles were AZ12-700 x 2.0m long.
The piles were installed using a telescopic leader rig which pre-augered the king piles prior to installation and installed the piles using a variable frequency variable moment vibratory hammer.