Claims and expert witness
David has provided advice to contractors, consultants and clients over many years in the anticipated and actual performance of the ground and groundwater, encompassing geological units from hard rock, weak rock, and through to soft soils.
| M25 Earthworks | SE England | Advice to various contractors on conditions for excavation and reuse of materials, including chalk |
| Brighton Marina | SE England | Expert geotechnical and geological services in assessment of future life and stability of marina wall given changing tidal and wave conditions |
| Earthworks | East Anglia | Advice to various contractors on performance of various materials in road construction |
| Plymouth Car Park | Devon | Assessment of and advice on unexpected geological conditions |
| Pipejacks | Southern UK | Comparison of as found ground and groundwater conditions with predictions and assessment of tunnelling methods. |
| Halifax MSSS | Yorkshire | Geological advice to project team throughout investigations, construction and claims over a period of 10 years on major new tunnelled storm and sewerage scheme |
| Jubilee Line Extension | London | Assessment of and design of solutions to deal with unexpected ground water conditions. |
| St Helier Storm Water scheme | Jersey | Expert Reviewer to Claims panels on horizontal drilling and geological aspects of hard rock tunnelling |
| Parc Fforestfach | Swansea | Provision of independent expert forensic recording service for multiple parties |
| Brighton Storm Water scheme | Sussex | Geological aspects of tunnelling claims |
| Eton and Windsor flood relief channel | Berkshire | Groundwater aspects of temporary works for bridge slide |
| Hastings Storm Water scheme | Sussex | Ground conditions aspects of tender advice for tunnelling project |
| Carsington Aqueduct | Derbyshire | Geological advice throughout construction of 10km tunnel in Millstone Grit |
| Carsington Dam | Derbyshire | Post failure investigations and data recording |
| Heathrow Express, Heathrow Airport | Berkshire | Post collapse rebuild investigations. Forensic investigations during shaft sinking |
| Uckfield slopes | SE England | Expert advice on causes of slope instability affecting a house. Negotiations with party that caused acceleration of movements |
