PRO004799-Works-Framework-Ground Investigations

Lot 1 predominately relates to Works pertaining to the Client’s Ground Investigations programmes to manage United Utilities ground risk and includes the following elements: • Boreholes, including Cable Percussive, Rotary, Sonic etc to investigate ground and groundwater conditions • Trial Pits, Window and Windowless sampling to investigate ground and groundwater conditions • Installation of/monitoring a range of Geotechnical /Geo-environmental instrumentation • Downhole and surface geophysics • Cone Penetration investigations • Other in situ testing (pumping tests, down hole and surface tests) • Geotechnical / Geoenvironmental laboratory testing • Specialist site access arrangements • Reporting; including GIR, GDR, Geo-environmental reports, AGS format reporting etc

Lot 2 predominately relates to Works pertaining to the Client’s Ground Investigations programmes associated with offshore geophysical surveying and includes the following elements: • Multi beam Bathymetry surveys, reduction and analysis, plus ability to create digital thematic mapping and difference charts from past and present electronic data. • Magnetometer surveys and associated analysis • Sub bottom profiling with interpretation for geophysics and pipe locating • Topographic surveys of inter tidal zone • Correlation of Geophysical surveys results compared to intrusive investigation • Stratigraphy and interpretation • Reporting, ground section and chart production

Lot 3 predominately relates to Works pertaining to the Client’s Ground Investigations programmes associated with Hydrogeological services and well drilling and includes the following elements: • Rotary drilling works (including 500 to 1000mm diameter holes) • Well hole development • Well hole logging • Well maintenance • Reporting