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

Consulting Engineer & Expert Witness to the Process and Industrial Engineering Industries

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

Mr Lumley is a registered expert witness, trained as a single joint expert and received training with Bond Solon. He has a wide experience of litigation service including preparing and presenting over 85 cases of evidence in the High Court and in the International Court of Arbitration. He has concluded a wide range of assignments during his 45 years in the process and mechanical engineering industry. Mr Lumley speaks English & French, and his consulting engineer specialisations are in process and mechanical engineering design, project management and as an expert witness.

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.

Qualifications and Professional Memberships 

Nationality 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

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

Specialising in the manufacturing industries with specific experience of welding, forming and machining alloy and stainless steels. Mr. Lumley can assist with Quality Control and Assurance requirements to ISO 9001/2 and assessment of product design and manufacture in respect to assessment of fitness for purpose as well as undertakeing production machinery valuations.

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 85 cases and giving oral evidence 34 times, including “hot tubbing”.


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

To see the interactive map, please click on the map or visit the geographical experience page

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