TM 5-850-1
Figure 12-3. Typical rail-mounted gantry crane.
12-2. Cargo handling in the shed and storage
the special trailer; or load onto the trailer if the container
area.
is normally stacked on the ground.
a. General cargo handling equipment.
(c) Neither the trailer nor tractor unit
(1) Forklift trucks. Forklift trucks are useful for
remains on the ship. In this case, either a straddle-type
carrier must be used to drive the container onto the ship
handling palletized cargo in the pier and in the transit
and stack it, or the ship itself must have lifting
shed. They are available in various capacities and are
equipment, which can lift it off a trailer and stack it. This
generally most efficient for hauls up to about 200 feet.
(2) Tractor trains. Where distances between
type of operation is generally more efficient because it
enables containers to be carried two high, and there is
shipside and storage areas are too great for efficient use
no wanted space by trailer or tractors. It does, however,
of forklift trucks, tractor-drawn trains of low-bed, small-
require more expensive container handling equipment.
wheeled trucks may be used. The trucks are loaded or
(6) Specialized port facilities.
unloaded at shipside by the shiploading gear and in the
(a) Coal handling facilities.
These
storage area by forklift trucks. There trains are also
facilities include the tilting system, unloading bridges,
useful for transporting material that cannot be palletized,
and unloading towers. The tilting system accomplishes
or is otherwise unsuitable for forklift operation.
(3) Conveyors. See paragraph 12-1b(4d).
the loading by tilting a cars load into a hopper and dis-
(4) Straddle trucks. Straddle trucks are used
charging it by gravity into the vessel The unloading
bridges span the storage pile and cantilever over the
for handling lumber, pipe, rails, steel shapes, and similar
vessel. Trolley grab bucket are provided for recovering
materials. The straddle truck may also be adapted for
coal from the hold and dumping it in the stockpile or into
lifting multiple pallet load.
(5) Overhead cranes.
hoppers in the unloading towers. From these towers,
An
overhead,
the coal is then conveyed by gravity to railroad cars or
underhung jib crane may be used to handle cargo in the
to a conveyor linked to the stockpile.
transit shed.
(b) Oil terminals.
Equipment requirements are
b. Container handling equipment. The typical con
limited to storage tanks, hoses, and hose-handling
tainer handling equipment used in the storage and
facilities.
marshaling areas is contained in Appendix B.
12-6
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