A cofferdam is an underwater enclosure constructed to displace water with air for the purpose of creating a dry work environment for underwater repairs.
UCS has a proven track record of excellence in the construction and use of cofferdams for inserts and pen mount repairs. Cofferdams are fixed to the structure by wet-welding or clamps and a dry space is created usings valves for a safe attachment to the hull. From the inside coded welders work in dry space which is the same environmental conditions as if in a dry dock to weld the inserts.
- Closed cofferdams
- Double function cofferdams for dry entry
- Purpose built habitats for dry entry
- Flexible Kevlar banks and magnetic blanks
- Blanking for sea intake and overboard discharge pipes
- Blanking of thrusters tunnels for internal inspection seal replacement or repairs
