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Warning: I see a lot of guys running their cutterhead at full tilt in silt and it drives me nuts.
I was on a job in Mobile Bay last spring, clearing a channel, and the new guy on the other barge was just hammering the cutterhead speed. The foreman told him to slow down, but he said more speed meant more material moved. We spent half a day watching him make a giant cloud of brown water and barely fill his hopper. I walked over at lunch and told him to cut the speed by a third. He did, and by the end of the shift, his production was up almost 40 percent. In soft material, high speed just stirs it all up and the pump can't keep up. You need to match the head speed to the pump's ability to pull the slurry. Has anyone else had to drill this into a crew?
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fiona_west2115d ago
Wait, he argued with the foreman about it? That's wild. Karen361 has it right, slowing down is the fix. You can't just ignore how the pump works.
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