Table 7-2. Application of Material for blocking and Tiedown of Dispenser on General-Flatcar(Figs 7-1 and 7-2)

TM 55-1095-205-14

Table 71. Bill of Materials for Blocking and Tiedown of Dispenser on General-Purpose

Flatcar (Figs 71 and 72)

Approximate

Description

quantity

Item

Douglas-fir, or comparable, straight-grain, free

Lumber

from material defects; Fed Spec MM-L-751 H:

8 linear ft

6- x 8-in.

12 linear ft

2- x 6-in.

36 linear ft

2- x 4-in.

Common, steel; flathead, bright or cement-coated;

Nails

Fed Spec FF-N-105B:

20d

30d

40d

Standard, open-type: 5/8-in.

Thimbles

Wire rope, U-bolt clips, saddled, single-grip, steel,

Clips

Crosby heavy-duty, or equal: Fed Spec

FF-C-450D 5/8-in.

60 ft

Wire rope

6 x 19, IWRC; improved plow steel; preformed, reg-

ular-lay; table X, Fed Spec RRW-410C: 5/8-in.

as required

Waterproof paper, burlap, or other suitable mate-

Cushioning

rial

material

Table 72.

Application of Material for blocking and Tiedown of Dispenser on General-Flatcar(Figs 7-1 and 7-2)

Application

Item

No.

required

Application

No.

required

Item

ten 20d nails. Nail two upper 2- x 4- x

Brake wheel clearance. Minimum clear-

72-in. pieces to lower piece with ten 30d

ance required is 6 in. above, in back of,

nails each,

and on both sides of, and 4 in. under-

Tiedowns (detail 3, fig 72). Each to con-

neath wheel, 12-in. minimum clear-

sist of one piece 5/8-in. 6 x 19, IWRC wire

ance from end of car to load extending

rope, length as required (approxi-

from center of brake wheel to side of

mately 15 ft). Form a complete loop

car, and 6 ft above car floor (fig 71 ).

between tiedown shackle and appro-

Chock block (detail 1, fig 7-2). Place 45

priate stake pocket at a maximum an-

end against each wheel as shown in

figure 7-1. Toenail heel of block (33

gle of 45 degrees. Wire rope ends should

overlap approximately 25 in.

end near bottom edge) to car floor with

Thimbles. Place one under wire rope at

one 20d nail in each block. Drive two

each place where rope passes over bot-

40d nails through heel of each block,

tom edge of stake pocket and tiedown

perpendicular to car floor. Toenail each

shackle. Secure each thimble to wire

side of each block to floor with two 30d

rope with one 5/8-in. clip (detail 3, fig

nails.

7-2).

Cushioning material (detail 2, fig 7-2).

required

Clips. Place six on each item E at overlap

Locate so that material is under item

D and extends 2 in. above item D be-

area. Space clips 3-in. apart a mini-

mum of 6 in. from ends of wire rope

tween tires and item L).

Side blocking (detail 2, fig 7-2). Each to

(detail 3, fig 72). Place one on each

item F as indicated above.

consist of one piece of 2- x 6- x 72-in.

Brace. Consists of one piece of 6- x 8-in.

lumber and three pieces of 2- x 4- x 72-

lumber by length-to-suit (approxi-

in. lumber. Nail 2- x 4- x 72-in. piece to

mately 24 in.). Force fit between rail

edge of lower 2- x 4- x 72-in. piece with

car floor and bottom of reach tube aft

ten 20d nails. Place 2- x 6- x 72-in. piece

of lunette. Toenail to car floor with one

against cushioning material and tire

40d nail through each side.

and nail to car floor through 2- x 4- x

72-in. piece in a staggered pattern with

Commodities on Open-Top Cars and Trailers, pub-

GENERAL INSTRUCTIONS

lished by the Association of American Railroads,

1. Set handbrake and block and wire lever in

apply.

place.

3. Tension wire rope with an applicable sized

2. General Rules, 1,2,3,4,5, 14, 15, 19A, and 19B,

come-along mechanical hoist or equal tensioning

Section I of the Rule Governing the Loading of

device.

7-4