CASE STUDY www.harrisongroupuk.com PROJECT: GROUND INVESTIGATION FOR URBAN REGENERATION SITE LOCATION: WEMBLEY VALUE: £130K In both cable percussive and rotary boreholes, vibrating wire piezometers were installed along with 50mm diameter shallow gas and groundwater monitoring wells, as part of a nested monitoring system. • Static cone penetration testing (CPT) - After screening for UXO, specialist subcontractor Lankelma was employed to carry out CPTs using a piezocone. In-situ pressuremeter tests and dissipation tests were also carried out at various depths within the London Clay. These were undertaken to provide data to aid in the design of the planned basement structures. Lankelma used a procedure that is currently in the early stages of d

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