UFC 4-213-02
19 June 2003
Table 5 Norfolk Naval Shipyard Drydock No. 2
Date Completed
Suitable for Docking
Foundation
Construction Material
1966
DD, SSBN
Piles
Concrete
Closure
Caisson, steel (rectangular box type).
Dewatering Pumps One 42", 600 hp, 45,000 gpm; one 42", 600 hp, 50,000 gpm;
one 42", 800 hp, 96,000 gpm. Pumps also used for
Drydocks No. 1 and 3. Time to dewater: 100 min.
Drainage Pumps
Two 12", 125 hp, 9,000 gpm (also used for Drydocks No. 1
and 3); two 5", 40 hp, 2000 gpm
Through culvert. Time to flood: 120 min. Dewatering
Pump No. 2 used to superflood.
Captstans
Total 7: 1 each side of entrance, north side entrance 30 fpm at
12k, south side entrance 30 fpm at 30k; two south side 30 fpm at
30k; two north side (Drydock #1 capstan), 30 fpm at 30k; and
one north side head of drydock 30 fpm at 30k
NNSY Dock Crane Capacities and Heights over Drydocks
Comments
Max Ht above
Dock
Hook
Max Cap @ 5'
top of rail with
Cranes
Beyond dock
hook @ dock
center line
center line
long/short tons
29,30,31,32 Main
53.6/60
142'
Centerline of crane rails to
33,34
Whip
13.4/15
160'
centerline of
Drydock 2 = 77' 8 "
Ship and Industrial Services Furnished at Dock
Electrical
Volts
Amp
North side 1 receptacle, south side 2 receptacles
11,500 900
Ac, 3 Ph, 60 Hz
at the pad for 11.5kv/460V portable substations,
one with connection for a 12 circuit turtleback
dockside and one with connections for an 11
circuit turtleback dockside
15 north side and 26 south side at 400 amps
5,600
460
Ac, 3 Ph, 60 Hz
Fresh water_____ 6" mains, 1,650 gpm at 50 psi, five 2-1/2" outlets and 1 4" outlet
each side
Saltwater ______12" mains, 3,650 gpm at 150 psi, six 2-1/2" outlets and two 4"
Outlets north side, nine 2-1/2" outlets and six 4" outlets south side
Fire Protection ___Same as saltwater
Compressed Air__6" mains, 12,200 cfm at 100 psi, fifteen 2" outlets north side,
twenty 2" outlets south side. Three 4" and seven 2" outlets in
bottom dock each side
Steam__________6" mains, 12,000 phr at 100 psi, ten 2" outlets north side, 6 2"
outlets south side
Sanitary sewer___ 8" mains, eight 4" Inlets north side, four 4" Inlets south side
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