HS2/086 Ground Investigation Framework.

Descriptions

HS2 Ltd has been tasked with delivering the high speed railway network generally referred to as High Speed Two (HS2).HS2 Ltd has identified a need to establish a Framework to enable it to access a pool of Ground Investigation (GI) Framework Contractors to carry out a planned programme of exploratory work in the vicinity of the line of the Phase One route, in order to minimise any risk arising from an unexpected variation of ground conditions which might otherwise be experienced during construction. In addition, ad-hoc GI Works may also be required from time to time, for example to help HS2 Ltd respond to any ground-related questions asked during the passage of the Hybrid Bill through Parliament.The outline scope of Works includes but is not limited to:Works:(i) boreholes to investigate the ground and groundwater;(ii) trial pits to investigate the ground and groundwater;(iii) surface geophysics;(iv) borehole geophysics;(v) utility investigation pits;(vi) investigation pits for existing foundations;(vii) ancillary on-site activities such as making and maintaining access, fencing/protection, muck away, and/or traffic management; and(viii) acting as Principal Contractor for all work sites.Services:(i) pre-investigation surveys of underground utilities and services;(ii) installation and monitoring of instrumentation(iii) on-site and laboratory testing; and(iv) reporting.