{Stus-List} Cofferdam

Bill Coleman coltrek at verizon.net
Fri Jun 19 16:41:15 EDT 2009

This is an interesting 'Tool' I just learned about this year.

They take this box and sink it next to the ship, in this case by the
propeller, press the rubber seal against the hull and pump all the water out
and then the workers go in, climb down the ladder and replace the prop

Bill Coleman
C&C 39

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