be on the portside or the starboard side, depending
the pier, it will need to be shifted to the in-port
on what side of the ship is pierside.
mode. The CHT personnel should stand by their
assigned positions in the pump room and the deck
5. The pump-room personnel will now energize
discharge valves on the side of the ship that will be
the system in the following manner:
between the pump room, deck discharge valve
a. Energize the pump controller.
stations, and DC central.
b. Set the sewage pump selector switch in
Once all hands concerned are at their assigned
the AUTO position.
these procedures should be used to shift the system
C. Depress the start button.
to the in-port mode.
d. Notify the deck discharge valve station
1. The deck discharge valve station and pier
personnel that the pumps are running.
personnel will connect the sewage transfer hoses to
the ship and the shore receiving riser. The hoses
e. Shift the waste drain diverter valves (J)
n o r m a l l y come from the pier to the ship.
to the CHT collection position.
Therefore, a working party may be needed to haul
the hoses on board.
f.
Verify that the soil drain diverter valves
(H) are still in the CHT collection
2 . The deck phone talker performs the
position.
following actions:
g. When the tank has been pumped down
a. Verifies that the connections have been
and the pump stops, open the tank
made on the ship and on the pier.
washdown supply valve (L). The tank
should be washed down for 30 minutes.
b. Notifies the pump-room personnel when
the connections are made.
h. Close the tank washdown supply valve
(L) upon completion of washing down
c. Notifies the pier personnel to stand by
the tank. (NOTE: The comminutor and
to receive sewage.
the aeration systems should be operated
3. The pump-room personnel will now take the
continuously while in the in-port mode.
During extended in-port periods, the
following actions:
CHT tank is to be washed down a
minimum of 30 minutes per week.)
a. Make sure that the pump suction valves
(A) are open.
6. The deck discharge valve and pier personnel
must check their sewage transfer hose connections
b. Open the pump discharge valves (B).
for leaks.
c. Shift the pump discharge diverter valve
(C) to the deck discharge position.
a. If a leak is discovered, the deck phone
talker should order the pump-room
d. Notify the deck discharge valve station
personnel to stop pumping immediately.
personnel that the system is ready to
commence pumping. (NOTE: The tank
b . The deck discharge valve station
personnel are to ensure that the hoses
must be aerated continuously when it is
in use. The report should be, "Pump
are connected and supported properly to
prevent the hose from rupturing.
room No.1 ready to commence
pumping.")
c. All personnel should stay on station
until it is evident that the system is
4. The deck discharge valve station personnel
operating properly without any leaks or
open the deck discharge valve (F). The valve may
possible problems.
17-13