Sec. 6-Fig. 176 (New-10-1981)
EMPTY 20 FT. INTERMIODAL FREIGHT CONTAINERS, 6,000 LBS. OR LESS, SINGLE, DOUBLE OR TRIPLE
Item No. of Pcs.
Brake wheel clearance. See Fig. 2, Section No. 1.
1 each end
End blocking per detail. Locate one under container against car end and one under container at
opposite end. Secure opposite end(s) with Items "C" to prevent displacement.
2 per each
Back-up blocks, lumber, each to consist of 1 piece of 1 in. x 6 in. x 24 in. and 2 pieces of 2 in. x
6 in, x 24 in. Position one 2 in. x 6 in. piece on top of a 1 in. x 6 in. piece, locating both
against Item "B" about 12 inches from end. Secure both to car floor with six (6) 40-D nails.
Nail the remaining 2 in. x 6 in. piece on top in a like manner. Apply remaining pieces against
opposite end of Item "B" in a like manner.
Center blocking assembly per Sketch 2. As required to block void between containers.
Center block assembly hold-down, per Sketch 3. Consists of one piece 2 in. x 6 in. x 8 ft. tie
piece, two (2) 4 in. x 4 in. risers, height equal to car side and one strapping board, 2 in. x 6
in. x length required to fit. Secure tie-piece to Items "F" with three (3) 10-D nails each end.
Locate 4 in. x 4 in. risers on tie piece in line with Items "F" and secure each to tie piece by
toenailing, using four (4) 16-D nails. Locate strapping board on top of risers and secure with
two (2) 12-D nails at each joint. Secure hold-down assembly to prevent displacement by
applying one (1) 2 in. x .050 in. high tension band, over strapping board using a minimum of
5 staples and securing ends to anchor lading devices each side of car. Required only when
Items "D" exceed 72 inches in length.
2 per each
Strap protective board per Sketch 1. Locate assembled edge and side pieces a minimum of
eighteen (18) inches from each end of container. Center cross piece on edge and side pieces
and secure with three (3) 8-D nails each end.
2 per each
Tie down band, 2 in. x .050 in. high tension. Apply over Item "F". securing to opposite anchor
lading devices at sides of car. Secure band to Item "F" with staples or nails to prevent
End fill blocks. lumber. Required only when car is equipped with corrigated ends. Consists of
one piece 3 in. x 12 in. x car width or two (2) pieces 2 in. x 12 in. x car width. Nail to solid
fill. thickness and width as required, with one (1) 30-D nail spaced every 12 inches. If desired,
may be substituted by Items "C", between Item "B". See Sketch 4.
See General Rules 1, 2, 3, 4, 5, 9, 14, and 15 for further details.