Site investigation
In his more than 40 years experience David has carried out and been involved in many hundreds of investigations, large and small. A selection is listed below:
| Alconbury to Fletton widening | Cambridgeshire | Investigations on Oxford Clay and input to design of structures and earthworks for 20km new road build |
| Bardon Quarry | Leicestershire | Reserves studies and investigations on Precambrian tuffs |
| Blackwater Valley Relief Road | Hampshire | Investigations for 6km new road in valley deposits with mineral workings, design input, land remediation |
| Carsington Dam | Derbyshire | Led the post failure investigations as instructed by the expert panel including detailed logging of the collapsed structure |
| Catcairn Bushes | Berwickshire | Investigation of coastal landslip, remediation design and monitoring of reconstruction of primary transport corridor |
| Channel Tunnel | UK/ France | Offshore boreholes logging and supervision (two campaigns) including management of multinational teams |
| Cromer | Norfolk | Investigation and remedial design of major coastal landslip |
| Heathrow Express, Heathrow Airport | Berkshire | Leading the post collapse rebuild investigations.Responsible for the forensic investigations during sinking of the rescue shaft |
| In Salah Gas | Algeria | Establish and monitor soil and rock description routines to allow efficient recording of field data |
| KASC Stadium | Saudi Arabia | Leading field teams in carrying out investigations for new stadium in variable ground |
| Manjung Power Station | Malaysia | Geotechnical advice for deep foundations on reclaim island during construction |
| Markham Main Colliery | Derbyshire | Geology and water conditions for new Drift access, state of the art instrumentation |
| Mombassa Dockyard | Kenya | Marine investigation for deep foundations for new jetty on alluvial soils |
| Moneypoint Power Station | Eire | Investigations in Namurian strata, input to all aspects of design of Power Station construction from green field to operation |
| Norwich Inner Ring Road | Norfolk | Investigations for new road on chalk with natural and man made cavities, including research for novel foundation design |
| Opus 9 | West Midlands | Site assessment of contamination, design of remediation for redevelopment |
| Pwll Melyn landslip | Clwyd | Landslip investigation and remedial design |
| Stobswood OCCS | Northumberland | On site assessment and probabilistic analysis of Loose Wall slopes supporting major plant |
| Taipa Island | Macau | Geotechnical investigations on swamp and weathered granite for major new residential towers |
