EUR. Ing. Peter Lumley B.Sc., C.Eng., I.Mech.E., A.S.A.B.E.

Expert Engineer in Process and Industrial Engineering in The Fields of Oil & Gas, Petrochemicals, Pharmaceuticals & Manufacturing
Peter Lumley is a British independent consultant engineer working as an expert witness within the process, industrial & mechanical engineering industry.
Professional Qualifications
- Degree qualified, apprentice trained, chartered engineer in process and mechanical engineering;
- 45 years experience in the process and industrial engineering industries;
- Extensive process and equipment design, valuation and project management expertise;
- Commercially astute, innovative thinker and problem solver who can make a high-quality contribution.
- Received expert witness instructions on over 70 cases (and given oral evidence in 26 of these including “hot tubbing”) in the last 22 years in the UK High Court and the International Court of Arbitration including many from the major City of London, Manchester and Birmingham law firms on significant cases such as both the Buncefield explosion civil litigation and HSE prosecution hearings.
- Bond Solon training both as a joint single expert and in giving evidence in court.


Onshore and offshore oil/gas processing, petroleum refining, petroleum products, LPG, LNG and NGL including all associated utilities and power generation;
Petrochemicals Including plastics polypropylene, LDPE, PTA and PET, fertilisers and bio fuels,
Pharmaceuticals including production of penicillin, vitamin C, citric acid, lactic acid, intravenous products and cannabinoid prescription medicines.
The manufacturing processes, including ferrous and non ferrous casting, machining, welding, forming, coatings/finishing, assembly and packaging lines including food and drink, cement, salt, ceramics, building materials, glass and vegetable oils.
Age, Qualifications and Professional Memberships
66 years old, British;
B.Sc. Mechanical Engineering (2.1 Hons), University of Birmingham 1975;
C.Eng. Chartered Engineer;
M.I.Mech.E. Mechanical Engineering (2.1 Hons), University of Birmingham 1975;
Eur. Ing. European Engineer
ASABE American Society of Agricultural and Biological Engineers.
Specialisation & Services
- Manufacturing Design, Engineering & Quality Control
- Process & Mechanical Equipment Design
- Project Management
- Expert Witness & Engineer
Process and Mechanical Equipment Design
Specialising as a consultant engineer in the oil and gas, petroleum refining and power industries with specific experience of cryogenic process plant and piping design and insulation including LNG, LPG, NGL, ammonia production and hydrocarbons gas/liquid separation and fractionation.
Project Management
Mr. Lumley offers project management for the process engineering industry with extensive experience both as an owner’s representative and as a contractor, in preparing and executing basic design, detailed design, procurement and
construction to ISO 9001 Quality Assurance and international model forms of contract (FIDIC orange book and similar) of oil and gas production/processing facilities and pipelines, petrochemical and power generation plants.
manufacturing design, engineering &
quality control
Expert witness & engineer
Peter Lumley is an expert engineer and witness in process and industrial engineering in the fields of oil and gas, petrochemicals, pharmaceuticals, power generation, manufacturing and food industries, with significant expert witness
experience in the UK High Court and the International Court of Arbitration, on over 70 cases and giving oral evidence 26 times, including “hot tubbing”.
Summary of CAREER HISTORY
1981 to date
Manderstam International Group, Consulting Engineers
Managing Director , Project Manager, Project Engineer on a extensive range of oil and gas, petrochemical, pharmaceuticals, organic chemicals, fermentation, power plant and manufacturing projects both as designer, project manager, Owner’s Representative and as Lump Sum Turnkey contractor to international model forms of contract.
1979 to 1981
APV Company, Production Engineering Manager on welding, assembly and sheet metalwork on ferrous and nonferrous heat exchangers and distillation columns for the food and petrochemical industries.
1971 to 1979
UK Ministry of Defence, graduate apprentice and project engineer on sheet metalwork, machining, welding and assembly of Chieftain and Challenger main battle tanks, including all aspects of work on high nickel armoured steels and aluminium.
Places in the world where Peter Lumley has worked


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