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14 Cards in this Set
- Front
- Back
Pierside (Fixed Moorings)Standard
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draft does not limit its ability to tie up; mooring parallel to a pier or wharf
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Pierside (Fixed Moorings)
Med Moor |
the stern of the ship is secured perpendicular
to a pier or fixed structure with mooring lines or anchor chains. The bow of the ship can be secured to mooring buoys or by its own anchors |
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Pierside (Fixed Moorings) Spud Moor
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for floating drydocks
The ship is free to move vertically on the spud as the tide rises and falls |
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At Sea (Fleet Moorings)
Free Swinging (Single Point) |
Ship will assume the most advantageous position under combined action
of wind and current; best for heavy weather or transient mooring when an acceptable pier berth is unavailable |
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At Sea (Fleet Moorings)Multiple Point
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Bow And Stern Buoy Moor, not for precise positioning; suitable for transient
three or more points, mooring precision increases |
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Nylon loses ? of its strength when wet
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15 percent
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Mooring lines over five inches in circumference
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hawsers
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Tanker moor (two parts)
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both eyes of the same mooring line are
placed on the pier fitting |
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Doubled up (three parts).
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When securing a doubled up (three part) mooring line to a bollard, the
eye is placed over first |
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FLEET MOORING BUOY CAPACITIES? A,B, C,D,E
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AA 300,000
BB 250,000 CC 200,000 DD 175,000 A 150,000 B 125,000 C 100,000 D 75,000 E 50,000 |
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Wind load increases by a factor of ? as wind speed doubles
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4
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NSTM Chapter 613
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Wire and Fiber Rope and Rigging
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Line lead is best
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the angle the line makes to the pier fitting is less than 45 degrees
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Mooring lines Messengers SIZE
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1-1/2 inch circumference lines, 12 to 18 feet in length
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