UFC 4-213-02
19 June 2003
Table 8 Norfolk Naval Shipyard Drydock No. 6
Date Completed
Suitable for Docking
Foundation
Construction Material
1919
N/A
Earth
Concrete
Closure
Caisson, steel (rectangular box type).
Dewatering Pumps
Three 54", 1,250 hp, 330,000 gpm. (Drydock No. 4
pumphouse). Time to dewater: 30 min
Drainage Pumps
Two 12", 200 hp, 10,000 gpm. (Drydock No. 4 pumphouse).
Through caisson. Time to flood: 30 min.
Captstans
Total 6 3 on North side at 30 fpm at 30K (used by Drydock
#3); and 2 South side 30 fpm at 30K (used by Drydock #7)
Portal Crane Maximum Capacities and Heights
Hook
5 ft beyond dock
Max height above coping with hook at dock
centerline
centerline
Main
60 lg tons
109' 10"
Auxiliary
5 lg tons
152' 0", 64' 0" min radius
Ship and Industrial Services Furnished at Dock
Electrical
Volts
Amp
None
Fresh water__________None
Saltwater __________ 12" mains, 3,200 gpm at 150 psi, four 4" outlets each side
Fire Protection ________Same as saltwater
Compressed Air______ None
Steam________ ______ None
Sanitary Sewer________None
Note: Drydocks #6 and #7 are presently not certified. Drydock #6 and #7 will be filled in by
2004
20
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