What is going on here?
#11
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Join Date: Nov 2000
Location: Grand Haven, MI USA
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Yup, thats dredging, good old EPA, makes you do backflips to get the mud out, like on the Mac Bridge, they have to capture every flake of paint or they are fined, and the sand used to get the paint off.
#13
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Those are dredging bladders. They fill with the muck and filter the water back into the lake. The solids/polutants stay in the bladder. The bladder is then opened up and the muck material dries to the point where it can be scooped with a front end loader and shipped off to a disposal area.