United Utilities has gone out to tender with an AMP8/9 framework contract for ground investigations work worth an estimated £170 million.

The water company is looking for contractors to undertake ground Investigations to support AMP8 and AMP9 construction activity (indicative project value £60k-£1.8m) to meet its ongoing regulatory commitments.

The contract is being tendered in three separate Lots.

Lot 1 - Ground Investigation Works (£150 million)

Lot 1 predominately relates to works forUnited Utilities’ ground Investigations programmes to manage ground risk and includes:

• 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 - Offshore Geophysical Services (£5 million)

Lot 2 predominately relates to works for the company’s ground investigations programmes associated with offshore geophysical surveying and includes:

• 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 - Hydrogeological Drilling & Well Services (£15 million)

Lot 3 relates to works forthe company’s ground investigations programmes associated with Hydrogeological services and well drilling and includes:

• Rotary drilling works (including 500 to 1000mm diameter holes)
• Well hole development
• Well hole logging
• Well maintenance
• Reporting

Initial contract term is 5 years followed by 5 further annual extension options.

United Utilitities is looking to appoint up to 16 contractors to the framework agreement.

Time limit for receipt of tenders or requests to participate is 9 December 2024 - click here to access the tender documentation.