Thames Water has gone out to tender with an AMP7 framework contract for geotechnical engineering advisory and consultancy services worth an estimated £1.35 million.
The water company requires highly specialised technical support in geotechnical engineering concerning impacts to critical trunk sewers, water transfer tunnels and strategic water mains from the impact of third-party construction activities.
Thames is also looking for expert geotechnical advice and support regarding the analyses of ground movements caused by third-party subsurface construction activity, review of third-party tunnel analyses and design and effect of construction work on structural integrity of all existing Thames Water tunnels.
Overall, the service will involve providing robust engineering geotechnical assurance to the business in the implementation of capital delivery projects, developer services projects.
Scope of services to be provided include:
- Inspection of Thames Water critical assets such as tunnels and reservoirs for geotechnical engineering stability and recommending remedial action and preparation of the survey guidance procedures currently used across the network
- Review of complex geotechnical design proposals from developers, national infrastructure, and transport authorities on existing Thames Water assets
- Carrying out research and investigations programme to identify the causal mechanisms of potential critical assets such as tunnel failures (predictive failures)
- Reviewing and reporting on impacts to strategic sewers particularly those under surcharge risk which is now present in most areas of London
- Assisting Thames Water during negotiations with developers (clients, architects, engineers and contractors) on complex projects
- Providing dispute avoidance advisory services to avert possible legal challenges by developers and external parties
- Supporting developer services, capital delivery and Tideway Tunnel integration teams in geotechnical risk assessment
Initial contract term is three years with further annual extension options. Thames is looking to appoint up to four suppliers to the framework agreement.
Time limit for receipt of tenders or requests to participate is 28 March 2022 – click here to access the tender documentation.
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