Table 7-2. Application of Materials for Blocking and Tiedown of the Tractor-Scraper on a General-Purpose Flatcar (fig 7-1).

TM 55-3805-248-14

Table 7-2. Application of Materials for Blocking and Tiedown of the Tractor-Scraper on a General-Purpose Flatcar (fig 7-1).

Item

No. Required

Application

Brake-wheel clearnace. Minimum clearance required is 6 inches above, in back of, and on both sides of,

and 4 inches underneath wheel.

Side blocks. Each to consist of 3- x 12. x 70-inch lumber shaped to pattern B. Locate one inside of each

wheel. Secure to floor with two 40d nails on each end.

Cleats. Each to consist of 2- x 6- x 53-inch (approx) lumber. or length to suit. Locate between side

blocks (item B). Secure each to car floor with 40d nails spaced 12 inches apart.

Blocks. Each to consist of 4- x 8- x 14-inch lumber shaped to pattern D. Locate on top of item C and

against item B and secure to both with six 40d nails.

Chock blocks. Each to consist of a piece of 1- x 12-inch lumber cut to dimensions as shown, and one face

plate of 2- x 4- x 21-inch lumber. Locate completed blocks against front and back of each front and rear

wheel in the pattern depicted. Secure each to car floor with five 40d nails in each heel and one 40d nail

in each side of block.

Bearing pieces. 4- x 8- x 24-inch lumber. Locate under scraper blade. each side, and secure each to car

floor with Sour 40d nails.

Thimble, open type. 5/8-inch. Place one at bottom of each stake pocket and two on front of tractor, and

one each at tiedowns on rear of scraper.

Wire rope, 5/8-inch. Attach through thimbles on vehicle tiedown devices in a complete loop, across the

front cross brace of the scraper bowl, and through the thimble in each stake pocket on the same side of

the car at an approximate 45 angle. On chain tiedown cars, chains may be used in lieu of cables.

Clamps, 5/8-inch. Secure the ends of the wire rope with four clamps each. SEcure the thimbles with one

clamp each.

GENERAL INSTRUCTIONS

Loading rules 1, 2, 3, 4, 5, 7, 9, 14, 15, 19A, and 19B appearing in section I of the General Rules

Governing the Loading of Commodities on Open Top Cars, published by the Association of American

Railroads, provide applicable guidelines and are mandatory in application.

Section III. TRANSPORT ON FOREIGN RAILWAYS

7-6. General.

designation systems and clearances used by dif-

ferent countries, evaluation of transport capabil-

The transportability guidance contained in this

ity must be made on an individual basis.

section is applicable when the tractor-scraper is

transported on foreign railways. Consideration is

7-7. Transport on Foreign-Service Flat-

given to single and multiple vehicle movements

cars.

for the types of flatcars normally used for the

a. General. The vehicle can be transported on

movement of this type of vehicle. When loaded on

some foreign-service flatcars. Flatcars representa-

a suitable flatcar, the vehicle can be transported,

tive of those available in Europe that are suitable

with restrictions, within European countries com-

for transporting the vehicle are described in table

plying with the passe-partout international (PPI)

7-3.

gauge railways; this also applies to most of the

b. Materials. The materials required for block-

countries in the Middle East, South America,

ing and tiedown of the vehicle on foreign-service

Australia, India, and Pakistan. In the Middle

flatcars are essentially the same as those used for

East and South America, the clearances vary by

transporting the vehicle within CONUS. Detailed

country, and each country will require a separate

guidance is contained in 4th Transportation Com-

check. In Australia, India, and Pakistan, wide- or

mand Pamphlet 55-2, Tiedown Guide for Rail

broad-gauge railways provide greater clearances

Movements.

and fewer restrictions. Because of the various

Table 7-3. Characteristics of European Flatcar A Available for Transporting Vehicles.

Flatcar

Platform

designation

height

Capacity

Length

Width

RLMMP 700

4-ft 2- 3/4-in.

10-ft 4-in

57.3-ton

31-ft 2-in.

(1.29-m)

(52.00 MT)

(9.50-m)

(3.15-m)

SAMS 710

4-ft 2- 3/4-in.

71.63-ton

49.ft 3-in.

10-ft 2-inc.

165.00 MT)

(1.29-m)

(15.01-m)

(3.10-m)

7-3