For the internal inspection of vessels, culverts and silos, CAS Ltd have technicians experienced and qualified in confined space working. All projects are subject to a detailed risk assessment. Safety procedures are strictly enforced. Air-fed helmets, self contained breathing apparatus and continuous vented air supply are among some of the techniques used as required.

CAS Ltd can also be utilised as safety / rescue cover for other trades operating on site

Examples of recent works have included:

• Internal cleaning of confined space
• Clearance of blockages in silos
• Inspection of gas turbine flue
• Safety and rescue provision for other trades
• Pressure washing
• Removal of debris build up
• Pointing of brick mortar in old brick chimney.
• Securing of manhole shaft liner