Tag Archive: commercial divers

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

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

Going with the flow – Culverts

Culverts are a structure that allows water to flow under another structure, normally a footpath, road or railway line. A simple culvert may be a pipe under a road, while a more complex… Continue reading

Welding Underwater – The Shocking Truth!

Did you know Commercial & Specialised Diving can arc weld underwater? Welding underwater needs specialist skills and equipment, all of which Commercial & Specialised Diving can provide. Arc welding underwater (also called stick… Continue reading

Diamond Cutting

A diamond cutting tool is a tool that has diamond grains fixed onto the functional parts of the tool, typically a saw. Diamond is a naturally hard material. It is perfect for grinding… Continue reading

Void Repair

Regular surveys of your pool are a good investment as early intervention can prevent small issues developing into larger costly ones. Here is an example of complete tile and render failure resulting in… Continue reading