UFC 4-213-02
19 June 2003
Table 17 Portsmouth Naval Shipyard Drydock No. 2
Date Completed
Suitable for Docking
Foundation
Construction Material
1905
SSBN
Rock
Concrete and granite
Closure
Caisson, steel (rectangular box type).
Dewatering Pumps Three 45", 600 hp, 210,000 gpm. Time to dewater: 150 min
Drainage Pumps
Two 14", 75 hp, 10,000 gpm
Through caisson. Time to flood: 75 min. Superflooding
pumps: two 30:, 125 hp, 20,000 gpm
Captstans
8 total: 4 each side, 30 fpm at 24k. 3 winches: 1 at head,
1 each side of entrance, 15 fpm at 20k
Portal Crane Maximum Capacities and Heights
Hook
5 ft beyond dock
Max height above coping with hook at dock
centerline
centerline
150' 0"
Main
54 lg tons
154' @ 59' min radius
Whip
13 lg tons
Ship and Industrial Services Furnished at Dock
Electrical
Volts
Amp Circuits
13 west, 10 east (permanent) exhibit 2.2E
400
480
Ac, 3 Ph, 60 Hz GRD
2500 4 west (2 transport, 2 perm) exhibit 2.2F
480
Ac, 3 Ph, 60 Hz UNG
1600 2 west exhibit 2.2F
480
Ac, 3 Ph, 60 Hz UNG
0-375 3000 2 west (permanent) exhibit 2.2G
DC, ungrounded
0-375 4000 2 west (transportable) exhibit 2.2G
DC, undgrounded
1 at pumpwell no 2 exhibit 2.2H
300
480
Emergency Diesel
Fresh water_________12" west and 16" east side mains, 65 psi, six 2-1/2" outlets
east side, twelve 2-1/2" outlets west side.
Fire Protection ______10"pumped main from freshwater system, four 4"
Connections east side, 65 psi, twelve 2 " connections
West side
LP Air______________ 6" mains, 100 psi, six 4" outlets, four 3" outlets west side
HP Air________ _____ Two 1" west side mains, 4,500 psi, six 1" outlets
LP steam __________ 3" east & 4" west side mains, 4250 pph at 100 psi, four 4"
Outlets west side, six 2" outlets east side
Nitrogen (5000 psi)___3/4" main, two " connections east side
Nitrogen (100 psi)____4" main, two 2 " connections east side
Sanitary sewer ______4" east side main, 200 gpm, two 4" inlets
Argon______________1" main, two " outlets east side
Saltwater___________6" main, four 2 " outlets west side, three pumps, 620 gpm
Each, 85 psi
Wheeler Vacuum_____4" main, three 2 " connections east side
Chilled Water________6" supply & return mains, two each 2 " supply and return
Connections each side
Hydraulic Flushing Oil_4" supply and return mains, two each 2" supply and return
Connections east side
Pure Water__________2 " main, two x three 1" connections east side
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