Alternate bow rigging

U.S. Pacific Fleet Public Affairs

Sept. 26, 2001

Rockwater 2 will use a slightly different method to rig Ehime Maru’s bow so it can be lifted onto a level area of ocean floor. The initial rigging plan Capt. Bert Marsh briefed to media Sept. 7 had separate 77mm cables passing through each hawsepipe – the pipes near a ship’s bow through which the anchor chain passes – with a plate at one end to keep it from slipping back out.

The new method has a single 77mm cable doubled over and threaded down the starboard hawsepipe, passing around Ehime Maru’s bow, then threaded up the port hawsepipe.

The international engineering team aboard Rockwater 2 consisting of Navy and civilian personnel -- including two structural technical experts from Japan -- determined this alternate method is safer. That’s because the brunt of the weight being lifted would be distributed around the bow, which is stronger than just the hawsepipes and backing plates.
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Revised 9/26/01 at 11:45 a.m. (HST)