Chapter 6. MARINE AND TERMINAL TRANSPORTABILITY GUIDANCE

TM 55-2320-258-14

CHAPTER 6

MARINE AND TERMINAL TRANSPORTABILITY GUIDANCE

Section I. GENERAL

6-1. Scope

6-3. Water Shipment

This chapter provides transportability guidance for

The HET and C-HET systems can be transported

marine and terminal movement of the HET

by a variety of inland-waterway cargo carriers,

systems. It covers significant technical and physical

lighters, and by most seagoing cargo vessels.

characteristics and safety considerations and also

NOTE

prescribes the materials and guidance required to

The

methods

described

this

chapter

for

lifting

and

securing

are

suggested

procedures.

Other

prepare, lift, tie down, and discharge the system.

methods

handling

and

stowage

may

used

provided

they

will

insure

safe

delivery

without

6-2. Safety

damage.

Safety precautions are contained in chapter 3.

Section Il. LOADING AND SECURING

loaded on seagoing cargo vessels in their minimum

6-4. General Rules

configuration as described in paragraph 2-5. They

Whenever possible, below-deck

a. Stowage.

may be loaded aboard landing craft, beach discharge

stowage should be provided. In general, good

lighters, heavy amphibious lighters, and landing

stowage means placing the items as close together

ships under its own power or lifted by cranes of

as practical, with minimum space between outer

adequate capacity (23-ton minimum). They can also

item and sweatboards (approximately 4 to 6 inches).

be loaded onto seagoing vessels by shoreside or

Breakable parts should be protected, spare parts

floating cranes or by heavy-lift ship's gear. Figures

stowed in or near parent item, brakes set with brake

6-3 and 6-4 show blocking and tiedown details.

lever wire tied, transmission in neutral, battery ter-

Tables 6-1 through 6-4 list materials and their ap-

minals disconnected and taped, and fuel tank

plication for blocking and tiedown.

drained. Secure the system by blocking wheels

d. Special design. Roll-on/roll-off ships, landing

front, rear, and on both sides; lash with wire rope or

ships, and attack cargo ships are equipped with

chains to bulkhead, stanchions, or padeyes.

patented lashing gear and prepositioned fittings in

NOTE

the decks. The use of such equipment is adequate

When the HET and C-HET systems are loaded on

and additional blocking and bracing are not

vessels

that

are

adequately

ventilated

power

required.

blowers,

such

roll-on/roll-off

vessels,

fuel

need

e. Lifting. The truck-tractor, M911, has four lif-

not be drained or batteries disconnected.

ting eyes. Two are located at the front bumper and

b. Lifting. The truck-tractor, M746, has four lif-

two are at the rear of the tractor. A rectangular

ting eyes. Two are located at the rear of the tractor

spreader bar should be used with steel wire rope

and two are located behind the cab under the hinged

walkway. A spreader bar must be used with the

slings attached to front and rear lifting eyes to

sling attached to the front lifting eyes to preclude

preclude damage to the radiator, engine hood, or air

damage to the radiator, engine compartment, or air

cleaners (fig 6-5). See MIL-S-22824B (Navy) for ad-

cleaners (fig 6-1). The semitrailer, M747, has four

ditional information on slings. The same bill of

lifting eyes. Two are located at the rear between the

materials and application of materials shown in

ramp hinges, and two are located where the

tables 6-1 and 6-2 for the truck-tractor, M746, can

gooseneck joins the forward end of the load-bearing

be used for blocking and tiedown of the truck-

surface (fig 6-2).

tractor, M911, in a general cargo vessel (fig 6-6).

c. Lading. The HET and C-HET systems will be

6-1