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harryc

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Work on the Lake Shore Drive draw bridge.

Nov 20

Not shure what these are for - sealed on one end they would not be for pin-piles/micro-piles
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More crane parts arriving
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Pin Piles - the sleeve is driven down until it hits rock and grouted, the tube is backed up may feet and then more grout is forced in under pressure fracturing the lower part.
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Regularly scheduled maintenance
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Lake Shore Drive draw bridge

Nov 27

shoring up the bridge foundation with micro-piles

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