Green Port Hull, United Kingdom

Green Port Hull is collaboration the centre piece of Green Port Hull. sequencing was required to prevent between , East Riding incidents. BAUER Technologies Limited was awarded of Council and Associated the geotechnical works contract by The scope of works saw Bauer install British Ports (ABP). Its aims are to Graham Lagan Joint Venture on behalf 3,252no. stone columns, using a vibro- promote investment and development of client Siemens. Specifically, Bauer replacement technique across the of the renewable energy sector in the was contracted to carry out ground entire 30,000m2 area, to improve the region and to support improvement of fill and underlying soft, existing soft and compressible soils. The investors and their supply chains to compressible alluvial soil, in order to construction utilised a mixture of secure long-term economic growth control settlement and improve bearing top-feed and bottom feed methods. for the area, together with wealth and pressure in an area of approximately For the top feed, some 2,636no. employment. 30,000m2. This section lies between the ‘standard’ stone columns were The ’s prime location in existing dock shore and the proposed installed to a maximum depth of 8.5m relation to offshore wind opportunities anchor wall. in a 3m x 3m treatment area. Two in the makes the region excavator mounted TE1 vibro units were The £2million+ project was particularly the perfect location to capitalise on used for the work. testing, with works being carried out in the UK’s offshore wind industry and at close proximity to the River Humber. This For the bottom feed, 616no. ‘extended’ the same time help regenerate the meant planning and the works had to stone columns were installed to a area through investment, innovation account for the many hazards inherent maximum depth of 14.5m, where there and employment. In addition to the in working in a marine environment, were existing timber columns in order to planned off-shore wind turbine grid, including, on occasion, very high winds. mitigate and minimise differential Siemens chose Hull as the location to Construction was also carried out with settlement between existing timber build its world class offshore wind multiple trades working concurrently in piles and treated areas. A single turbine blade manufacturing, assembly close proximity and therefore careful crane-mounted BC1 Vibro unit was and servicing facilities, which will form programme management and used for the installation.

09/2018 To assist penetration of the vibroflot for these columns, a CFA piling rig was used to locally pre-bore the in situ material.

Bauer also undertook a programme of pre- and post- works testing that comprised of Cone Penetration Testing and 3no. Zone Load Tests in order to validate the treatment and performance.

Client: Equipment Used: Siemens - 2no. TE1 Vibro units Principal Contractor: - 2no. 40te 360° Excavators Graham Lagan Joint Venture - 2no. 13te 360° Excavator Piling Contractor: - 2no. 2m³ wheel loaders BAUER Technologies Limited - 1no. BC1 Vibro unit Contract Period: - 1no. PK85TT CFA Piling Rig February 2016 to June 2016 Project Value: £2 million

BAUER Technologies Limited Millers Three • Southmill Road • Bishops Stortford • CM23 3DH • United Kingdom • Tel: +44 (0)1279 653108 • Email: [email protected] www.bauertech.co.uk