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 Therefore, this report:
Proposes U.S. Navy 'heavy weather' (Mooring Service Type III)
requirements by region. (Inactive, MSC and MARAD ships are not
included in this report).
Recommends Navy-wide 'heavy weather' environmental design criteria
applied to key Navy regions.
Provides technical guidance for the analysis, design, construction, and
use of heavy weather mooring facilities.
3.0
DEFINITIONS
To ensure common understanding of terminology, a glossary is provided
below.
1. Destructive Weather thunderstorms, tornadoes, tropical cyclones,
extra-tropical storms, and severe windstorms (OPNAVINST 3140.24E).
Tables 1 and 2 provide some definitions.
2. Destructive Weather Warning - a warning to indicate possible
approaching destructive weather. Table 2 defines standard warnings
(MIL-HDBK-1026/4).
3. Gale winds of 34 to 47 knots (OPNAVINSTR 3140.24E).
4. Facility any non-powered structure, fixed or floating, used to
moor ships to restrict movement during weather. Facilities include
piers, wharves, dolphins, mooring buoys and other specialized
moorings.
5. Heavy Weather
a) Mooring Service Type III where wind speeds greater than 50
knots are expected in the local area up to maximum speeds as
defined herein.
4
NFESC TR-6012-OCN Rev B
U.S. NAVY HEAVY WEATHER
MOORING SAFETY REQUIREMENTS
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