Category Archive: Commercial

The European Eel Regulations – A Slippery Problem

In 2009 regulations came into effect in order to protect the European Eel (Anguilla anguilla), whose numbers are in decline. Eels spawn in the Sargasso Sea and the young, known as glass eels,… Continue reading

What is “The Bends”?

Most people have heard of the bend (decompression sickness), but not many know exactly what it is! Decompression sickness is caused when bubbles of nitrogen gas are formed in the blood, when the… Continue reading

Surveying Historic Structures

Over the years our professional team of divers have undertaken work on a wide range of historic structures including bridges, tunnels, aquaducts and locks.  The work has involved surveys, maintenance, repair, protection and… Continue reading

Are your Underwater Structures in a good condition? – UT Meter

An ultrasonic thickness (UT) meter is a tool commonly used by Commercial and Specialised Diving with reference to inspection work. The device is frequently used to monitor metal thickness on underwater structures. It… Continue reading

A Safe Way for you to Work Over Water – Pontoons

Pontoons offer a flexible, effective solution to gaining safe access to structures over and alongside water. The pontoons are light, and being modular, can be assembled to fit almost any configuration.  This is… Continue reading

Underwater Concrete Repair Work

Underwater concreting is widely used in today’s marine and inland waterway construction industries in the stabilisation of various structures and in erosion areas such as piers, foreshores, harbours and tidal zones. Inevitably, due… Continue reading

Tanks – Inspection, Repair & Maintenance – Our Speciality!

Tanks come in an amazing range of shapes and sizes and have innumerable uses. They may also be above or below ground, free-standing or ‘built-in’.  But there is one thing they all have… Continue reading

Bridge Scour Protection

  Bridge scour is the removal of sediment such as sand and rocks from around bridge abutments or piers. Scour is typically caused by swiftly moving water that scoops out scour holes which… Continue reading

Anode Installation you can count on!

One of the services in frequent demand at Commercial & Specialised Diving is the installation of sacrificial anodes. This is a highly skilled operation that requires underwater welding. Sacrificial anodes help protect submerged… Continue reading

Tis the season to be busy

November has proved to be our busiest month ever, with enquiries at a company record high. Commercial & Specialised Diving would like to thank all or our loyal returning customers as well as… Continue reading