Quantcast Riser Replacement

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NOTE
If a replacement joning link is not available, the removed
joining link can be cleaned, recoated with a preservative
grease, and reused to secure the new buoy to the riser
chain.
Secure new buoy to riser chain.
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Lower new buoy into position in the water.
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NOTE
When a tension bar type buoy is lifted onto a barge deck, it
should be placed on railroad ties or on chocks to prevent
damage to the lower portion of the tension bar.
4.2.2 RISER REPLACEMENT. Riser replacement will be accomplished as follows:
Lift the buoy and its attached riser chain out of the water and wash down
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with a high-pressure hose.
Hoist buoy and riser chain aboard the barge.
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Hold the ground ring on a deck stopper.
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Disconnect riser from the ground ring and buoy.
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Attach new riser to the buoy and ground ring.
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Reinstall buoy and riser in the water.
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The above steps are standard procedure for moorings installed in shallow water. In
deep water, however, the ground ring, in all probability, will not be able to be lifted
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