Process and Piping Design

ENG-CAD Ltd is a multi-disciplined engineering consultancy building an enviable reputation for providing innovative and cost efficient design services throughout the range of engineering industries.The wealth of experience is no more apparent then within the process and piping design departments where we have a range of high quality engineers and designers from a range of backgrounds including Oil & Gas, Petrochemical, Nuclear, Marine / Shipbuilding and Water Treatment Facilities.Our design facility is fully managed within our ISO 9001 Quality Management System ensuring full control of every Safety and Process Engineering Design activity removing potential risk factors and ensuring design optimisation in every aspect of our service offering.

Piping Design Sector Experience

  • Oil and Gas
  • Petrochemical
  • Cryogenics
  • Marine \ Floating Production
  • Nuclear Power
  • Industrial & Food Processing Plants


  • Full pipe stress analysis using CAESAR II software
  • Fatigue and vibration analysis
  • Pressure vessel and tank analysis
  • Nozzle loadings


  • Production of full engineering calculations and report
  • Designed to ASME, API, DNV GL, BS EN standards and guidance documents.
  • Piping Isometric drawings and PDMS modelling
  • Preparation of mechanical specifications
  • Material and corrosion review
  • Development of GA and detailed engineering and fabrication drawings
  • Pipe support design and calculations
  • Piping design undertaken within ISO 9001 quality management system

Piping Design Support

  • Onshore and offshore inspections
  • Dimensional control surveys offshore/onshore
  • Asset Integrity Inspections
  • 3rd party review/verification

Pressure Equipment Directive (PED)

  • Full module H & H1 accreditation
  • Production of PED assessments and technical files
  • Witness / Authorization of Factory Acceptance Testing and installation

Contact Engineering Services:

Tel: 01493 600400
Int: +44 1493 600400

ENG-CAD Engineering Services Brochure

Process & Pipework Design Case Studies

Pipe Spool Replacement

Pipe Spool Replacement

Client Case Study: ENG-CAD have produced a number of complex pipe spool replacements, involving detailed dimensional surveys, design, fabrication and when required, PED approval and pipe stress calculations.

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FPSO Turret & Gantry Project

FPSO Turret & Gantry Project

Client Case Study: ENG-CAD were responsible for the conceptual and detailed design of all of the Process and Utility pipework starting from the riser terminations on the geo-stationary side, terminating at the main pipe rack tie-ins situated on the vessel main deck (rotating side).

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Scrubber Vessel Replacement

Scrubber Vessel Replacement

Client Case Study: A dimensional control survey was carried out at one of the Bacton Gas Terminals of an existing scrubber vessel, including a full report and fabrication drawings.

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Wellhead Support Structure (WSS)

Wellhead Support Structure (WSS)

Client Case Study: ENG-CAD were given the responsibility of designing the gas lift facility for oil production wells, closed drain system with vessel and pump, PIG launcher and full firewater deluge and hydrant system.

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Water Treatment Modules (QUAD 204)

Water Treatment Modules (QUAD 204)

Client Case Study: ENG-CAD’s involvements with this project were 5 different Water Treatment Packages, structural design and analysis was carried out on all of the packages, along with a full pipe stress analysis. Detailed fabrication drawings were also produced.

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