TM 10-4320-317-13
b. As hose-laying crews connect major components, prepare TWDS for operation by packing hoseline. As soon as
lead pumping station and first boost pumping station are installed and connected by hoseline, perform the following
steps:
(1)
Notify operator(s) on lead pumping station to begin pump operation in manual mode. Refer to applicable
pumping assembly technical manual.
(2)
Notify operator(s) on lead pumping station to shut down pump operation when hoseline is packed. Refer to
applicable technical manual for shutdown procedures.
(3)
Close butterfly valve on boost pump discharge hose to contain water column.
c.
Begin moving water again when next downline station is installed and connected by hoseline. Repeat applicable
steps b.(1) through (3). Start up lead pump. Start up first boost pump. When water column reaches second boost
pumping station, shut down pumps, and cease operation of system. Close butterfly valve on second boost pump
discharge hose to contain water column.
d. Continue packing hoseline as each boost pumping station is installed and connected.
NOTE
Before storage tanks are filled, or complete operation of system begins, flush hoseline of
sediment and debris.
CAUTION
To protect hose from damage in high winds, do not begin filling storage tanks until hoseline is
packed.
e. When system is ready for operation, refer to appropriate technical manual for instructions on filling storage tanks.
f.
Complete operation of TWDS may begin as soon as all pumping stations, storage assemblies, and distribution
points have been installed, connected, and hoseline packed.
g. During startup of the complete system, the boost pumping stations are operated in automatic mode. The lead
pump should always be operated in manual mode. Refer to appropriate pumping assembly technical manual.
h. When storage tanks are approaching maximum holding capacity, reduce speed on lead pump to decrease rate of
downline waterflow. In automatic mode, the rate of boost pumps should decrease automatically. When storage
tanks are filled to maximum capacity (height of tank reaches 5-1/2 ft (1.7 m)), dose gate valve on each storage
assembly and shut down operation of pumping stations. Refer to applicable technical manual for additional
storage assembly operating procedures.
i.
Pumping rates during operation will vary, depending on amount of water being discharged at either distribution
points, large storage and distribution units, or both. Pumping stations operate at intervals long enough to refill
storage tanks if discharge rate is minimal. When water is pumped on a continual basis and boost pumping stations
are operating in automatic mode, perform DURING PMCS on pumping assemblies at a minimum of every 3 hours.
Refer to applicable technical manual for the pumping assembly.
j.
During all phases of operation, operators at pumping stations and storage assemblies must be in communication
with each other. Any unusual situations or difficulties must be reported immediately.
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