UFC 4-159-03
3 October 2005
8-3
FIXED MOORING - BASIC APPROACH. Development of a design
concept for a fixed mooring, a mooring that includes both tension and compression
members, is illustrated here.
8-3.1
Background. Several new aircraft carrier berthing wharf facilities are
being programmed. Users expressed concerns regarding the possibility of excessive
ship movement. Wind is the major environmental parameter of concern. Assume the
proposed sites have small tidal ranges and tidal currents.
8-3.2
Goal. Develop a concept to moor USS NIMITZ (CVN-68) class ships at
newly constructed wharves. Assume the Mooring Service Type is II and the design
wind speed is 75 mph (33.5 m/s).
8-3.3
Ship. Fully loaded USS NIMITZ (CVN-68) class ships are used in this
example. Table 8-2 gives some ship parameters. Additional information is found in the
Ships Characteristics Database (WATERS TOOLBOX).
Table 8-2. CVN-68 Criteria (Fully Loaded)
DESIGN BASIS
PARAMETER
DESIGN
(English units)
BASIS
(SI units)
Length
1092 ft
332.8 m
Overall
1040 ft
317.0 m
At Waterline
Beam @ Waterline
40.8
134 ft
Draft
11.55 m
37.91 ft
Displacement
9.317 kg
91,700 long tons
Bitt Size
-
12 inches
Line Size (nylon)
-
8 and 9 inches
156
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