APPENDIX
RAIL TRANSPORTABILITY GUIDANCE
Blocking and Restraining Item on Railroad Flatcars
With Wooden Floors
1. Bill of Material
Approximate
Type of material
quantity
a.
Lumber. Douglas-fir, or comparable
lumber, straight-grain, free from
material defects, fed spec MM-L
751c
2- x 4-in.
135 linear ft
2- x 12-in.
60 linear ft
6- x 6-in.
60 linear ft
b.
fed spec FF-N-105a
20d
160
30d
175
c.
Wire Rope and Strand. 5/8-in., 6x19,
IWRC, improved plow steel,
performed, regular-lay, fed spec
RR-W-410a
140 ft
d.
Clamps. Wire-rope, %-in.
48
e.
Thimbles. %-in., std, open-type
16
f.
Clevis Assembly Suspension
(Shackles). Bolt and nut type,
large, FSN-1670-090-5354, or equal
(for front and rear towing and
tiedown provisions).
4
9