Chapter 6. MARINE AND TERMINAL TRANSPORTABILITY GUIDANCE

TM 55-3805-248-14

CHAPTER 6

MARINE AND TERMINAL TRANSPORTABILITY GUIDANCE

Section I. GENERAL

NOTE

6-1.

Scope.

When the tractor-scraper is loaded on

This chapter provides marine and terminal trans-

vessels that are adequately ventilated by

portability guidance for movement of the tractor-

power blowers, such as those commonly

scraper, M621B. It covers significant technical

found on the roll-on/roll-off (RORO) ships,

and physical characteristics, as well as safety

fuel tanks need not be drained.

concerns, and prescribes the materials and guid-

ance required to prepare, load, tie down, and

6-3. Water Shipment.

unload the vehicle.

The tranctor-scraper can be transported aboard

US-flag merchant vessels, including Military

6-2.

Safety.

Sealift Command ship, as follows:

In addition to the safety precautions contained in

a. On or below decks of any breakbulk ship

chapter 3, the following areas apply:

with a 30-long-ton lift capability. Required mini-

a. All vessel equipment and gear should be

mum hatch sizes and clear headroom are hatch

inspected before use.

length, 42 feet 6 inches; hatch width, 12 feet 4

b. All stevedore slings and other items used in

inches; clear headroom, 12 feet 6 inches.

loading and unloading operations should be

b. On any RORO ship or trailership with clear

checked for their conditions and capacity.

deck heights of 12 feet 6 inches and ramp width

c. All other precautionary measures and safety

of at least 13 feet 6 inches.

regulations peculiar to the loading/unloading site

c. In any SEABEE barge.

or terminal will be adhered to.

NOTE

d. Vehicle fuel tanks must be drained and

The methods described in this chapter for

battery terminals must be disconnected.

lifting and securing the tractor-scraper

e. Vehicle transmission must be placed in the

are suggested procedures. Other methods

of handling and stowage may be used to

neutral position and the park brake on (air

accomplish safe delivery without damage.

removed).

Section II. LOADING AND SECURING

l a s h e d with wire rope or chains to nearby

6 - 4 . General Rules f o r Stowing.

padeyes, bulkheads, or stanchions.

a. General. Whenever possible, vehicles should

b. Lifting. The correct lifting points on the

receive the protection of below-deck stowage. In

vehicle are the lift eye provisions located on the

general, good stowage of vehicles means vehicles

rear top of the scraper and at either sie of the

are placed fore and aft as close together as

gooseneck hinge pivot point. (See fig. 6-1).

practical, with minimum spacing between outer

CAUTION

vehicles and the sweatboards - about 4 to 6

Before the vehicle is lifted, effect lockout

inches. Breakable parts or auxiliary equipment of

of the vehicle's steering/articulation unit

the vehicles should be adequately protected and

by installing two blocks on the steering

secured for shipment. Spare parts and OEM, if

cylinders.

not shipped on the vehicle, should be properly

c. Loading. Prior to loading, fold the side

identified as to location or disposition during the

mirror flush with the cab. The tractor-scraper can

shipment. Vehicles in the ship's hold should be

be loaded over the beach or from piers onto

blocked in front, in rear, and on both sides of the

landing craft, landing ship tanks (LST), and

wheels so that the vehicle cannot move in any

landing ship docks (LSD) under its own power or

direction; individual vehicle blocks should be

by crane of adequate capacity. The vehicle can

also be loaded under its own power onto the deck

braced to bulkheads. stanchions, and other vehi-

of barges from pierside when tidal conditions are

cle blocks. Additionally, all vehicles should be

6-1