①Propeller polishing work
In order to keep propellers propulsive force normal, we will polish to remove the living creature.
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| Before cleaning（Left side）、After cleaning（Right side） |
②Open cleaning work of sea chest
We open the sea chest and carry out internal cleaning etc.
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| Before cleaning（Left side）、After cleaning（Right side） |
③Anode exchange situation
We will exchange the exhausted anodes in the water, take a picture after the Anode exchange situatio
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④Water stop work
We will carry out water stop work with wood plug or underwater welding method.
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| Water stop by wood plug Water stop by steel plate |
⑤Removal of entangled objects
We will check the situation that has been entangled in propeller and rudder, as well as conducting removal work, we will check and report on the damage and abnormality of the surrounding part.
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| A rope entangled with propelle |
⑥Anchor etc. Search work
We will search for lost anchors or an anchor block etc. in the sea by side scan sonar and grasps the position by DGPS.
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| Side scan sonar(Left side)Situation confirmed by side scan sonar(Right side) |
