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Date: December 01, 2003 at 10:34:23
From: Jim Reising, [cache-mtc-ak06.proxy.aol.com]
Subject: Re: The Captains Log |
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Connie....The concept of wheel wash for dredging is to use a boats propellers to wash lose sediment from a particular area. Usually it's done to deepen a small area such as a landing. For example, there are several docks in the Clark Maritime Center located behind 6 Mile Island here in Louisville that are prone to filling in and it sometimes becomes impossible to place a loaded barge next to the dock. In a situation like that, we will use one of our towboats to "wheel wash" the mud away so that we can spot the loaded barge.
Wheel washing works well in a small area; but, with the pollution and dredging laws today, it is getting almost impossible to get a permit to do wheel washing. In the State of Kentucky, there is a law against doing any wheel wash or scraper dredging between April 15 and June 15 because it is fish spawning time.
Wheel washing does work well, for example a few years ago during high water a tow lost its way over on the Upper Miss between Cairo and St.Louis. The boat and tow ended up in a farmers field. By the time they finished getting all the barges out, the boat had washed a hole 300 ft long by 60 ft. deep in the middle of the famers corn field. Needless to say the farmer was not overjoyed.
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