* Not required if 3/8 in. wire rope is used for item E (fig 7-1).
** Not required if No. 8 gauge wire is used for item E (fig 7-1).
Table 7-2. Application of Materials for Blocking and
Tiedown of M561 on General-Purpose Flatcar
Loading rules 3, 5, 9, 14, 15, 19-A, and 19-B,
appearing in section I of the 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.
Lumber widths and thicknesses are nominal.
When two vehicles are loaded on a car, they must
be evenly spaced along the length of the car and
7-6. Transport of M561 on Special-Purpose
Special-purpose bi-level cushioned cars equipped with
chain tiedown devices provide economies in loading
costs and often a savings in transportation charges,
provided full utilization of the loadable space is made.
When such cars are available from the rail carriers and
full utilization can be made, they should be used. For