Our expertise and experience of working as prime contractor on major works with several Internal Drainage Boards ensures your project is designed, delivered and installed on time and to budget every time. Having been established for over 30 years in the Cambridgeshire Fenlands, we are ideally located to service the majority of the IDB’s across the East and Northeast of England.All our site engineers hold CSCS cards and are directly employed.  In addition they are trained for any specialist tasks deemed necessary by your organisation prior to commencing their role.Cobra will assist with renewal, replacement or maintenance projects.  Working with you and your tide predictions to ensure a safe and planned project is delivered on time and budget.

IDB Services

IDB Specialist Fabrications
IDB Specialist Fabrications 2

From steel pile veneers to steps and walkways Cobra offer you a high quality cost effective solution. By utilising our well-equipped workshop facilities in conjunction with our directly employed engineers we offer you our “committed to excellence” guarantee on every project.

We will design and manufacture your project, or work from your detailed drawings if preferred. You have the option of self-coloured or corrosion resistant finishes, including galvanised, painted or powder coated.

Past specialist fabrication projects completed are extremely varied and include:

 Eel Pass ~ Fish PassSafety Rails ~ Steel Pile Veneers
Stop Logs ~ Steel StepsTemporary Access       


Being the prime contractor for major works on a pumping station, together with extensive experience on smaller projects allows us to give you our “committed to excellence” guarantee assurance. By expert project management and a directly employed skilled workforce we deliver you a high quality result.

When your original manufacturing drawings are unavailable we will reverse engineer or if appropriate redesign your requirement. Working closely with the project manager our design team will ensure that best practice is achieved.

Every pumping station requirement is unique, past projects include the following:

Fish Pass ~ Piling Veneer ~ PipeworkRoller Door ~ Safety Rail
Temporary Access ~ Tidal Flap

For single machined component or a small batch quantity the well-equipped Cobra machine shop and skilled engineers offer our “committed to excellence” guarantee on every project.
Specialising in short lead-time projects allows us to offer you a viable solution to your breakdown and obsolescence problems.
Manufacture from most materials is available and includes all conventional machining techniques including:
Drilling ~ Grinding ~ Key Cutting ~ Milling ~ Spline Cutting ~ Tapping

Whether your requirement is for vehicle or personnel access control, your cost effective solution is available as a supply only or fully installed option. With an available range of finishes including, polished or brushed stainless steel, galvanized, powder coated or painted mild steel, we will manufacture to your exact requirements.

Typical projects successfully completed include the following:

Access Restriction BollardsCrash Barriers ~ Door Protection (goal posts)
Gate BarriersHeight Restriction Barriers ~ Security Cages
Vehicle Restriction


From a small repair to a major overhaul of essential equipment, Cobra will provide you with your ideal solution. By utilising only directly employed multi skilled site engineers you will benefit from our “committed to excellence” guarantee.


By working to compliment the activities of your own engineers we are able to offer a diverse range of maintenance function. All undertaken to meet your exact requirements, from a simple guide wheel replacement to full facility refurbishment.


As Cobra have extensive experience of working to tidal conditions you are able to plan your project with confidence. On those occasions when you require additional skilled engineers we can bolster your in-house capabilities.

Maintenance functions we have undertaken are varied including:

Pipework Repairs ~ Shaft Replacements ~ Tidal Door Repairs ~ Valve Replacements ~ Weed Screen Cleaner Repairs ~ Weed Screen Repairs ~ Welding Services