Engineering Drawing Support for Process Plant, Industrial & Infrastructure Companies

Process Plant · Water & Environment Infrastructure · Industrial Equipment · Specialist Machinery

Remote & On-Site, Cornwall & South West

Process Plant, Industrial and Infrastructure Drawings Service

Process plant and infrastructure drawings demand a higher standard of precision than standard commercial fabrication work. Tolerances matter. Material specifications matter. The way components interact matters. A drawing produced without a thorough understanding of the process - how the plant operates, what it handles, what can go wrong - is a liability, not an asset.

I have extensive experience producing drawings for specialist process plant operators, industrial companies, and infrastructure contractors - working closely with engineers and contracts managers to understand the full system before producing drawings, and covering the full scope from initial concept schemes through to final fabrication details.

Email me to discuss your requirements.

Expert Drawing Support Without the Permanent Overhead

Process plant and infrastructure projects are often project-led - intensive drawing periods during design and procurement, followed by quieter phases once work moves to site. Carrying a permanent draughtsman through the full project lifecycle rarely makes sense. Bringing in freelance drawing expertise for the phases that need it does.

I work through Cometrule Ltd, my own limited company, from my studio in Cornwall. That means clean commercial arrangements, no IR35 exposure for clients who are particular about contractor status, and a straightforward supplier relationship - agreed scope, agreed deliverable. For projects that require a site visit - to survey existing plant, understand site conditions, or liaise with your engineering team — I'm available to travel. I cover infrastructure projects across the Southwest and work regularly with process plant and industrial clients in Yorkshire and the wider North of England.

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Types of drawings

  • Item description

Past Projects

I've spent 20+ years producing steelwork drawings for fabricators and construction contractors across the UK. GA drawings, fabrication details, bolt schedules and connection details that go straight to the shop floor.

Significant projects have included:

Atomising Systems Ltd

Full range of production equipment drawings for powdered metals manufacture — spray manifolds, atomising vessels, and special-purpose process equipment for in-house and worldwide external customer projects.

Steelwork and process element details for Environment Agency infrastructure projects, including pump station layouts, site arrangement drawings, and O&M manual sketches.

A&T Services Ltd / Environment Agency

Regis Control & Engineering Ltd

Schematic, layout, arrangement and detail drawings for stainless steel tube handling and processing plant - a complex multi-stage process from degreasing through inspection to packaging.

Industrial and mining equipment — multiple engagements

Drawings for underground mining equipment, armoured face conveyors, beam stage loaders, drum shearers, and mineshaft equipment, including work on the Channel Tunnel boring machine backup system.

Process plant and infrastructure is not the place for drawings that are approximately right. Clearances, material specifications, connection details, and dimensional accuracy have direct consequences - for the safety of the plant, the people operating it, and the reliability of the process it supports.

My background in precision mechanical engineering draughting means I understand what accurate drawings look like and what it takes to produce them consistently. I produce drawings that aim to be right first time, which is what process plant and infrastructure clients need.

Getting It Right Where It Matters Most

Manufacturing & Production Equipment

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Construction Steelwork

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Water & Environment Infrastructure

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Process Plant & Industrial Equipment

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Architectural Metalwork

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Manufacturing & Production Equipment • Construction Steelwork • Water & Environment Infrastructure • Process Plant & Industrial Equipment • Architectural Metalwork •

If you have a process plant, industrial equipment, or infrastructure drawing requirement, get in touch with a description of your project and I'll come back to you with an indication of how I can help.

Ready to discuss your project?

EMAIL: simon@cometrule.co.uk

Frequently Asked Questions

Still have questions? Take a look at the FAQ or reach out anytime. If you’re feeling ready, go ahead and get in touch.

You can find me at simon@cometrule.co.uk

  • Yes. Infrastructure projects typically involve coordination between multiple parties - structural, mechanical, electrical, civil - and drawings need to reflect that coordination accurately. I'm experienced in working within multi-discipline project environments, understanding where my drawings interface with other disciplines, and flagging clashes or coordination issues before they become site problems.

  • Yes. Schematic drawings - process flow diagrams, pipework schematics, equipment layout schematics - are something I produce regularly, particularly for infrastructure and process plant projects. These are often the drawings that O&M teams and facilities managers rely on most heavily, so clarity and accuracy are paramount.

  • Yes. Several clients use me on an ongoing basis - calling on drawing resource as projects demand rather than maintaining in-house draughting capacity permanently. If you'd like to establish a regular working arrangement, get in touch and we can discuss how that would work.

  • Yes, I work in both Inventor (3D) and in AutoCAD (2D). Get in touch to discuss the types of projects I can work on.

  • Pricing dependant on whether using Autocad or Inventor  software and longevity of project. 

    Hourly rate to be confirmed at point of discussion.

    Time sheets usually supplied to client monthly with invoice.

  • Email me at simon@cometrule.co.uk to get started, or fill out the contact us form.

  • Yes. For projects that require a site survey, on-site liaison, or working directly with an engineering or production team, I'm available to travel. I cover the Southwest regularly - Cornwall, Devon, Somerset, Dorset - and I frequently take on work in Yorkshire and the wider North of England where a good deal of my manufacturing and steelwork client base is located. For projects elsewhere in the UK, travel can be discussed depending on the size of the project.

  • Most of my work is carried out remotely from my home office, situated in East Cornwall close to the Devon borders, which suits the majority of technical projects perfectly well. I work regularly with a range of clients from across the South West reaching as far as clients in Yorkshire where I have long standing relationships with engineering and manufacturing businesses.

  • I work primarily from my home office in Cornwall, which means I can take on projects quickly without travel overhead. For projects that benefit from on-site working — site surveys, liaison with production teams, or direct collaboration with engineers — I'm available to work at client premises.