All aspects of geotechnical engineering, ground investigation, earthworks, foundations, piling, geotextiles, unforeseen ground claims • Author of SHW series 500 Drainage and Earthwork 600 series plus associated DMRB Vol 4 CUBS Expert Witness - Cardiff University Business School 2023

Soil mechanics • Foundation engineering • Mineral stability • Contaminated land • Slope instabilities • Conditions of contract • Development constraints

The geotechnical issues relating to the analysis, design, specification & construction of building & civil engineering works, e.g. residential developments, commercial developments, highways, railways, landfills • Specifically in the geotechnical areas of slope stability, quarry stability, foundation design & construction, retaining wall design & construction, highway design & construction, railway design & construction, landfill design & construction • Expert reports on all the above issues

Geotechnical engineering • Geotechnical analysis • Geotechnical design • Geotechnical assessment • Heavy civils • Buildings • Bridges • Basements • Maritime structures • Industrial slabs • Infrastructure • Road pavements • External paving • Site investigation • Desk study • Ground investigation • Groundwater • Seepage • Foundations • Shallow foundations • Footings • Raft foundations • Deep foundations • Bored piles • Driven piles • Rock sockets • Pile testing • Earth retaining structures • Reinforced earth walls • Gravity retaining wall • Gabion walls • Precast concrete...

Soil mechanics • Foundation engineering • Mineral stability • Slope instabilities • Conditions of contract • Development constraints • Offshore foundations

Land drainage • Flood risk • Soil surveys • Soil husbandry • Land restoration • Water holdings structures/constructed wetlands • Natural flood management • Diffuse Water Pollution from Agriculture (DWPA) • Particular experience of soils and drainage along cross-country construction projects, such as pipeline installations • Providing consultancy and expert witness for soils and drainage disputes related to land development, land severance and breaches in land drainage law in England and Wales

Structural engineering • Civil engineering • Forensic engineering • Maritime engineering • Coastal engineering • Design • Construction • Workmanship • Professional negligence • Damage • Defects analysis • Cracking • Buckling • Corrosion • Deflections • Deterioration • Dilapidations • Settlement • Subsidence • Heave • Ground movement • Concrete quality • Concrete durability • Concrete strength • Concrete testing • Basements • Foundations • Refurbishment • New build • Historic buildings • Raised access floors • Floor slabs • Screeds • Structural analysis • Structural stability •...

Additional expert Mr John Hilson BSc MICE MCIWEM CEng, Chartered Civil Engineer Richard Allitt Associates Ltd, Suite A4, Chadwick House, Birchwood Park, WARRINGTON, WA3 6AE Email: [email protected] Flooding • Hydrology • Hydraulic modelling • Surface water management • Integrated urban drainage • Drainage & sewerage • Sewerage management • Waste water • Land drainage • Reservoir inundation modelling

Design of earth-retaining structures • Basement design • Site investigation • Slope stability • Geotechnical monitoring • Numerical analysis of geotechnical structures • Ground improvement • Foundation & pile design • Reinforced earth

Experienced consultant and expert witness in quarrying, open pit mining, geotechnical engineering (both mining and civil engineering), health and safety in quarries and mines • Chartered Mining Engineer, Chartered Health and Safety Practitioner, former Chartered Geologist • Extensive experience in consulting, contracting and managing mining and quarrying operations in both technical and production capacities • Works extensively in the UK, Europe and Africa • Expert evidence given in mineral extraction, slope stability...

Engineering geology • Rock engineering • Rock falls • Geotechnical engineering • Geology • Foundation engineering • Site investigation • Earthworks & slopes - roads • Earthworks & slopes - rail • Earth-retaining structures • Slope drainage • Slope stabilisation • Landslides • Mines & quarries • Quarries Regulations 1999 • Tips • Tailings, dams & lagoons • Risk assessment • Geohazards • Ground anchors • Geomorphology • Debris flows

Geotechnical engineering • Piling • Ground improvement

• Experienced expert • Opinion and evidence given at mediations and planning enquiries, arbitrations and in High Court, in Asia Pacific, the Middle East, South Africa and Europe • Established specialist engineering geologist in the fields of rock engineering and geotechnical engineering • Experienced lead designer on long tunnel projects, cavern schemes and high rock slopes • Forensic investigation and root cause analysis of failures and construction difficulties involving geology and groundwater • Examples include...

Construction safety • Occupational health & safety • Personal injury • Slips & trips • Manual handling • Accident investigations • Flooding damage • Geotechnical engineering • Foundations & earthworks • Embankments & cuttings • Soil & rock slope instability • Subsidence, settlement & heave • Treatment of mineworkings • Landfill engineering • Stabilisation works • Retaining walls • Ground improvement • Contamination • Drainage

Buildings & structures • Civil engineering works • Drainage • Infrastructure services