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