Quantcast Hose Pulsation Experience with the Collapsible Rubber Hose -Cont. - mo_3400115

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c. ATF-101: One hose; ship crew, three men; shore crew, two men; ship
deck same as pier level; no problems.
d. GG-9:  Two hoses; ship crew, three men; shore crew, two men; ship
deck 15 feet above pier; no problems.
e. LKA-115:  One hose; ship crew, three men; shore crew, two men; ship
deck 20 feet above pier; no problems.
f.  LPH-10:  Six hoses; ship crew, four men; shore crew, two men; ship
deck 40 feet above pier; no problems.
B.15 Experience to date on the transfer of ships' sewage or salt water
using CHT systems and pier sewer systems in San Diego is as follows:
a. AS-37:  period of sewage transfer service - several years; required
one hose; ship handling crew, three men; shore crew, two men; ship riser 20
feet above pier; hose requires saddles; ship uses DBC's (Dry Bacteria
Cultures) for grease control; sewage flow 250-300 gal/rein; O psi pressure at
pier riser; pulsations noted using MIL-H-20176 hose. No other problems.
b.  AS-12:  period of sewage transfer service - one year; required one
hose; ship handling crew, three men; shore crew, two men; ship riser 30 feet
above pier; hose requires saddles; ship does not use DBC's; sewage flow
250-700 gal/rein; O psi pressure with pier valve full open; 5 psi with pier
valve closed 30 percent to control pulsations.  No other problems.
C. ASR-7:  period of salt water transfer service - 2 hours; required
one hose; ship handling crew, three men; shore crew, two men; ship riser
below pier level; hose required saddles; O psi pressure of pier riser; no
pulsations as hose flowed full because of ship riser elevation. No problems.
d.  LST-1184:  period of sewage transfer service - 1 day; required
three hoses; ship handling crew, three men; shore crew, two men; ship risers
20 feet above pier; hose saddles required; pulsations noted using
MT.L-H-20176 hose; O psi pressure at pier riser. No other problems.
e. LHA-1:  period of sewage transfer service from riser on aft
sponsor-1 hour; two hoses required for this operation; ship riser 50 feet
above pier level; ship handling crew, four men; shore crew; two men; hose
saddles required; severe pulsations using MIL-H-20176 hose, O psi pressure
at pier riser.  No other problems.  Simulated connections made to mid ship
and forward deck risers; height above pier 30 feet; required two hoses;
ship's crew, three men; shore crew, two men.
f.  SS-572, SS-565, and SS-566 nested and hooked up at the same time;
period of sewage transfer service, 3 to 10 days, periodically when in port.
First submarine next to pier, three deck risers, four hoses; second
submarine from pier, six hoses; third submarine from pier, nine hoses;
submarine risers below pier level, no saddles required; submarine hose crew,
two men; shore crew, two men; no problems.
g.  SSN-592 and SN-596 nested and hooked up at the same time.
Experience same as for SS units above.
B-5





 


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