Quantcast Uniform Design Methodology

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6.0
UNIFORM DESIGN METHODOLOGY
Engineers should perform preliminary designs and facility reviews using
quasi-static methods in MIL-HDBK-1026/4 'Mooring Design' and a minimum
factor of safety of 2.5 (NAVSEA/NAVFAC meeting of November 1999) on all
mooring lines.
Since heavy weather results in extreme dynamic and non-linear movements,
prepare final designs with full six-degree-of-freedom dynamic modeling.
NFESC ECDET maintains this capability in-house and is available to assist
activities on a reimbursable basis.
A 'mooring' includes many parts and all parts are critical. Therefore, designs
should ensure acceptable performance of:
Facility mooring fittings (strength, condition and locations).
Overall facility (based on strength and condition).
Fendering.
Ship hull (based on allowable hull pressures).
Mooring lines (strengths, condition, angles, characteristics and use).
Ship mooring fitting (strength and locations).
Ship under-keel (clearance).
Other factors (cost, access, permits, fire protection, utilities, etc.).
See MIL-HDBK-1026/4 'Mooring Design' for further information.
21
NFESC TR-6012-OCN Rev B
U.S. NAVY HEAVY WEATHER
MOORING SAFETY REQUIREMENTS





 


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