Weld flaws • Welding metallurgy • Welding procedures • Weld procedure qualification • Structural integrity • Engineering Critical Assessment and BS 7910 procedures • Fracture mechanics • Brittle fracture • Fracture toughness testing • Fracture and fatigue of welded structures • Steel metallurgy and microstructures

Escapes of water, oil and gas • Mechanical engineering • Building fires • Explosions • Vehicle, plant and machinery fires • White goods appliance fires • Composites • Glass and ceramics • Plastics and polymers • Manual handling

Consultant Forensic Engineer & expert witness undertaking the investigation of engineering incidents & personal injury accidents for commercial, legal & insurance clients • Provision of independent & impartial expert witness evidence • Mechanical, metallurgical & non-metallic materials (i.e. polymer, composite, rubber, glass & ceramic materials) based investigations • Forensic investigations both on-site & laboratory based • Component failure analysis, including expertise in fractography & electron microscopy (SEM) •...

Metallurgist, materials scientist, inspection and failure expert • 40 years+ experience • Experienced expert witness • Non-destructive testing and evaluation (NDT, NDE) • Failure analysis • Metallurgical analysis • Fracture mechanisms • Inspection performance & reliability • Probability of detection (POD) • Human reliability • Digitalisation • Corrosion • Cracking • Hydrogen embrittlement (HIC) • Welding defects • Steam turbine failures • Hospital pipework • Storage tanks & facilities • Pipelines • Composite materials (GRP, CFRP) • Offshore • Oil...

Metallurgical failure investigation • Failure analysis of polymer and composite materials • Expertise in a range of failure mechanisms, i.e. corrosion, mechanical failure, high temperature, structural failure, welding, coatings • Particular expertise in the thermal degradation of austenitic stainless steels and nickel-based alloys • Extensive experience in corrosion mechanisms for the power, petrochemical and oil and gas industries • Forensic engineering

Over 30 years' experience covering: • Safety Management Systems • Safety Engineering • Major Hazards • Quantitative Risk Analysis & Assessment • Process Safety • Explosions • Safety Critical Elements • Fire Safety Engineering • Fire Protection • Fire & Gas Detection • Safety Audits • Planning Applications & Safety Cases • Emergency Response Sectors: • Oil & Gas Onshore & Offshore • Petrochemicals • Pipelines • Subsea • Railways & Underground Transit Systems • Hotels & Occupied Buildings • Dock Operations & Container Handling • Wood Mills • Construction...

Rotating equipment • Packaged equipment • Machinery damage assessments • Mechanical and piping systems • MEP, oil, gas, power, petrochemical and energy transition • Pipelines • Wind turbine generators • Gearboxes • Pumps • Compressors • Diesel generators • Gas turbines • Air coolers • Heat exchangers • Heaters • HVAC • Pressure vessels • Valves • Lifting equipment • Asset integrity • LNG • LPG • Offshore • Cost estimates • Accident investigation • Root cause analysis • Contract management • Tendering • Procurement

Mechanical engineering • Pressure vessels • Pressure systems • Safety of amusement rides • Safety of fairground rides • COMAH regulations • Gas explosions • Machinery guarding • Forensic engineering • Scaffolding • Construction • Chemical industry • Experienced in the assessment of requirement for, procurement, training, fitting, use, storage & maintenance of PPE & RPE

Civil engineering • Steel erection & cladding • Reinforced concrete structures • Steelfixing & shuttering • Pipelines & drainage works • Scaffolding & work at height • Use of ladders • Tunnelling & tunnelling equipment • Marine work & offshore construction • Augered & impact piling • Grouting • Construction site practice • Earthworks & earthmoving equipment • Excavators & cranes • Contractual disputes & cranes Building • Structural surveys • Building defects • Subsidence & underpinning • Reinstatement following fire, flood or storm • Rising damp...

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

Process plant hazards • Major hazards risk assessment • Oil, gas, LPG, LNG hazards • Hydrocarbon fires • Explosion analysis (accidental) • Event frequency analysis • Evacuation assessment • System reliability • Quantified risk assessment • Toxic gas hazards • COMAH safety cases • Storage hazards of petrol, diesel, jet fuel, liquefied gases, etc. • Building fires

John Halcrow has over 40 years’ experience in the maritime industry as a marine engineer, surveyor and consultant, and specialises in the highly regulated offshore construction and support sector, with experience of oil and gas, offshore wind, including floating offshore wind projects. He is a Member of the Baltic Exchange, as well as a Fellow of the Institute of Chartered Shipbrokers (ICS), Fellow of the Chartered Institute of Arbitrators (CIArb), supporting member of the London Maritime Arbitrators Association...

Process plant hazards • Major hazards risk assessment • Oil, gas, LPG, LNG hazards • Hydrocarbon fires • Explosion analysis (accidental) • Event frequency analysis • Quantified risk assessment (QRA) • Toxic gas hazards • COMAH safety cases • Major accidents to the Environment (MATTE), etc.

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

Crude oil and refined oil products trading • Energy derivatives • Finance and risk management • Oil project financing • Oil shipping • Logistics • Valuation and value adjustment mechanisms • Commodity market regulation

Expert advice can be given in all aspects of asbestos in the field of occupational hygiene, including historic exposure assessment, rent arbitrations or litigations resulting from irreversible damage to belongings & /or property

Chemical engineering • Compressor • Concept selection • Corrosion • Facilities • Facilities engineering • Field development • Flow assurance • FPSO • FSO • Gas • Offshore • Oil • Onshore • Material selection • Pipelines • Piping • Platforms • Process engineering • Processing • Project engineering • Risers • Subsea • Topsides • Upstream • Midstream

Front end engineering, design, construction and commissioning of process plant, pipelines and above-ground storage tanks.

Technical: • Petroleum products, including treatment design & development • Energy conservation & management • Environment • Oil & gas processing • Pipelines • Metal cutting • Metal forming • Mineral oil extraction • Gas supply & control • Pharmaceutical products • Process plant • Pressure vessels • Food & drink processing machinery • Chemical industry machinery • Welding • Functional: • Consultancy services • Process engineering & contracting • Quality control • Assurance & inspection ISO 9001/2 • Project management • Purchasing & procurement • Contracting •...