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

I have provided expert opinion and advice regarding concrete and concrete structures to lawyers, government departments, infrastructure/building owners, designers, contractors, materials producers/suppliers and testing organisations. Durability design, non-compliance, construction defects, premature deterioration (especially corrosion), residual life estimation and repair are recurring themes relating to a wide range of structures including buildings, bridges, tunnels, power stations, waste treatment facilities...

I entered the profession as a 5 years indentured student apprentice for domestic, commercial and industrial sectors for plumbing, drainage, water, gas, boiler oils, public health engineering, building services engineering from August 1964 and qualified as an Engineer in 1969. I continued my academic and practical training to complete my professional qualification when I was awarded my Council of Engineering Institutions (CEI) Chartered Engineer (CEng) status in 1983. I became an expert witness in 1984. I...

Materials specialist, investigating matters involving: • Concrete technology • Warehouse floors & hardstandings • Failure of concrete repair works • Concrete durability & specification • Concrete placing, bleed & shrinkage cracking • Paints & coatings for concrete • Air entrainment of concrete & performance in freezing conditions • Construction in hot climates • Underground concrete construction • Concrete test methods & data interpretation • General forensic examination of construction failures

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...

With 26 years’ experience, WeatherNet have expertise and experience in all aspects of weather • Since 1997, WeatherNet have prepared in excess of 2600 weather-related legal reports • In the last 26 years, WeatherNet have provided weather-related reports for the following cases: • Road Traffic Accidents (RTAs) • Personal Injury Claims (Falling, Tripping and Slipping Accidents) • Flooding and Drainage Claims • Domestic and Commercial Insurance Claims • Liability • Travel and Transit • Agricultural Incidents • Contract Disputes •...

Experienced in sewerage and land drainage matters to include: • drainage investigations • drainage design • preparation of drainage contracts • supervision and management of drainage contracts • management of consulting engineers • hydraulic modelling and masterplanning of sewerage networks. Experienced in allegations of professional negligence against consulting engineers Experienced in allegations of bad workmanship against contractors

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

Landfill operations and regulatory compliance assessments relating to environmental permits and trade effluent discharge consents • Landfill infrastructure design, construction and optioneering, including financial assumptions • Landfill odour and emissions, nuisance, leachate, gas management and energy recovery • Landfill site completion, closure and aftercare strategies • Waste sampling, characterisation and classification for regulatory compliance and process optimisation

Academy of Experts & Registered Expert Witness Consulting Engineer with more than 50 years' experience in the UK, Middle East, Far East and SE Asia. Design of numerous low- and high-rise commercial, industrial and public buildings and structures, as well as basements, foundations and retaining walls involving: • masonry • concrete • steel • timber. Investigation of defective: • design • materials • construction • fabrication • manufacturing. Investigation of: • failure in duty of care in civil, structural and environmental...

Building surveying • Expert in all aspects of building litigation, including defective construction, including, but not exclusively, drains, cavity walls, mortar, brickwork, roofs, floors, drainage, windows, dampness, condensation, concrete • Valuation for interim or final accounts • Advice on building contracts • Professional negligence • Whether a house is built to NHBC Building Regulations or Building Guarantee Standards • Party wall awards • Expert reports & advice • Compliant with CPR Other offices: (i) 1 Kew Place,...