UFC 4-213-02
19 June 2003
Table 10 Norfolk Naval Shipyard Drydock No. 8
Date Completed
Suitable for Docking
Foundation
Construction Material
1942
CVN
PIles
Concrete
Closure
Caisson, steel (rectangular box type).
Dewatering Pumps
Four 54", 1,200 hp, 520,000 gpm. Time to dewater: 180 min.
Drainage Pumps
Two 16", 250 hp, 19,000 gpm
Through culverts. Time to flood: 135 min.
Captstans
Total 14: 1 each side of entrance, 30 fpm at 30K; 1 each
Side of the head of the drydock, 30 fpm at 24K; 5 north side
At 30 fprm at 12K; and 5 south side at 30 fpm at 12K
NNSY Dock Crane Capacities and Heights over Dyrdocks
Max Ht above top of rail Comments
Dock
Hook
Max Cap @ 5'
with hook @ dock
Cranes
Beyond dock center
center line
line long/short tons
Dock cranes #6
98'
53.6/60
Main
6, 27
and 27, 68.8
208'
Auxiliary 25.0/28
long tons
Centerline of
130'
40.2/45
Main
35, 41, 43
crane rails to
204'
13.4/15
Whip
Centerline of
Drydock 8 =
105' 7"
Ship and Industrial Services Furnished at Dock
Electrical
Volts
Amp
4 north side at 300 amps 2
1,800
11,500
Ac, 3 Ph, 60 Hz
south side at 300 amps
36 north side and 36 south
20,000
460
Ac, 3 Ph, 60 Hz
side at 400 amps
Fresh water__________6" and 8" mains, 3,250 gpm at 50 psi, twenty 2-1/2" outlets
each side
Saltwater __________ 16" mains, 11,500 gpm at 150 psi, twelve 4" outlets,
nine 2 1/2 outlets each side
Fire Protection ________Same as saltwater
Compressed Air______ 8" and 10" mains, 18,350 cfm at 100 psi, forty 2" outlets
North side top and bottom. Forty 2" outlets south side top
And twenty four 2" outlets south side bottom
Steam________ ______ 6" and 10" mains, 79,000 phr at 100 psi, sixteen
2" outlets north side, twenty 2" outlets south side. Two 4"
outlets south side
Oxygen______________1" and 1-1/2" mains, 700 cfm at 90 psi, twenty 3/4"
outlets each side
CHT sewer ___________6", 8" and 10" mains, twenty-six 4" inlets each side
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