CVN 68 Class Water Depth Requirements for
Norfolk Operating Base
Pier
Turning Basin
Inner Channel
Outer Channel
Draft
40.8
40.8
40.8
40.8
Trim
0.8
0.8
0.8
2.1
List
1.4
1.4
-
-
Appendages
-
-
-
-
Salinity & Temp
0.5
0.5
0.5
0.5
(a)
Motions (b)
-
-
-
(f)
Squat (c)
-
-
1.0
1.3
Heel (d)
-
-
0.8
-
Clearance (e)
6.0
6.0
6.0
2.0
TOTAL
49.5
49.5
49.9
(f)
Notes: (a)
Harbor contains fresh water inlet.
(b)
Unprotected harbor; significant wave action.
(c)
Based on wide, 50 ft deep channel; good estimate.
(d)
Operational experience.
(e)
Standard clearances.
(f)
Analysis not complete.
NOB Tide Data
Mean Higher High Water
2.8 feet
Mean Lower Low Water
0.0 feet
Extreme Low Water
-3.5 feet
Enclosure (1)
Attachment (2)
C-3
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