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When damage is found below the waterline, the master and the office have a lot on their minds. This page is a short checklist for emergency underwater ship repair in Nagoya, to help you act in the right order and give us what we need.
Check for danger to people, fire, pollution or loss of stability. Follow the ship's emergency procedures and call the proper authorities. Only when the ship is safe should you plan the repair. If the situation is unclear, treat it as serious until proven otherwise.
Write down the time, position, Draft, weather and what was happening when the damage occurred. Note any alarms, changes in trim or list, soundings of tanks and bilges, and any change in engine or steering behaviour. Take photographs of the quay, fenders and surroundings. These facts help the Diver and later help claims.
Tell the owner, the DPA, the class society and the P&I club according to your procedures. Inform the agent so access and permissions can be arranged. Tell the port authority where required. Ask the owner whether a surveyor will attend, so we can plan the dive around him.
Phone with the ship's name, IMO number, berth or anchorage position, Draft, class society and a short description of the damage. Tell us what the crew has done so far. We will ask about the plating, the tanks, the propeller and steering, and tell you what we need from the ship.
Arrange a safe access point and a named contact. Make sure the propeller is locked, thrusters isolated and the engine room aware. Stop overboard discharges near the dive area. If the Hull is at risk of moving, hold the berth position. Have the Hull plan, tank plan and the class certificate ready.
Do not clean or alter the damaged area before the first dive. Keep logs, photographs and notes. Ask for the original video and photographs from the Diver. These are the base for any claim or report.
After the first dive, you will receive a written assessment. Decide with the owner and the surveyor whether to repair afloat, to make a temporary repair or to dock. We can provide a quotation and a timeline for any afloat repair.
A calm, orderly response saves time and money. Keep this list in the ship's emergency folder.
Q1. What facts should the master record immediately?
The time, position, Draft, weather and what was happening, plus alarms, trim or list changes, tank and bilge soundings, and changes in engine or steering behaviour.
Q2. Why should the damaged area not be cleaned first?
To preserve evidence. The first video and photographs should show the damage as found, before any cleaning or work.
Q3. What documents should be ready for the Diver and surveyor?
The Hull plan, tank plan and class certificate.
Q4. Who should be notified besides the Diver team?
The owner, the DPA, the class society, the P&I club, the agent and, where required, the port authority.
