UFC 4-213-02
19 June 2003
Table 22 Puget Sound Naval Shipyard Drydock No. 4
Date Completed
Suitable for Docking
Foundation
Construction Material
1940
SSN, SSBN, AOE
Earth
Concrete
Closure
Caisson, steel (rectangular type). Spare caisson, steel
(rectangular box type), also used for Drydock No. 5
Dewatering Pumps
Three 54", 1,200 hp, 390,000 gpm total.
Time to dewater: 195 min
Drainage Pumps
Two 16", 250 hp, 14,400 gpm total
Through caisson. Time to flood: 90 min. When using spare
caisson time to flood: 310 min.
Captstans
13 total: 1 at head, 1 each side of entrance, 30 fpm at 24k;
2 each side, 10 fpm at 50k; 4 each side, 30 fpm at 12k
Portal Crane Maximum Capacities and Heights
Hook
5 ft beyond dock
Max height above coping with hook at dock
centerline
centerline
Main
142.5/60 tons
108'/142' @ 70' R
Whip
15 tons
153' @ 76' R
Ship and Industrial Services Furnished at Dock
Electrical
Volts
Amp
2 east side at 2,400 amps
4,800
460
Ac, 3 Ph, 60 Hz
2 east side at 2,000 amps; 2
2,400
460
Ac, 3 Ph, 60 Hz
east side at 1,200 amps; 1
east side at 800 amps; 1 east
side at 400 amps.
Fresh water_________6" east and 8" west side mains, 2,200 gpm at 80 psi, ten
2-1/2" outlets each side
Pure water__________ 3" main, 100 gpm at 80 psi, one 1-1/2" outlets west side
Salt water_________ _12" main, 7,000 gpm at 100 psi, twenty-four 4" outlets each
side
Fire Protection _______Same as salt water, plus four 2-1/2" outlets east side
Compressed Air______6" mains, 8,000 cfm at 80 psi, twenty-four 1-1/4" outlets each
side. 2-1/2" headers at dock floor with outlets
Steam___ __________ 6" east and 8" west side mains, 50,000 phr at 80 psi, twelve
2-1/2" outlets each side
Oxygen ____________2" east and 3" west side mains, 1,350 cfm at 100 psi,
six 1" outlets each side
Sanitary sewer ______8" mains, 500 gpm, twelve 4" inlets each side
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