Section No. 1-General Rules (Rev.--1977)
Rule 2. Brake Wheel Clearance.
The brake wheel clearance must not be less than requirements shown in drawing, Figure 2, below and
should be increased as much as consistent with proper location of load.
BRAKE WHEEL CLEARANCE
6 in. clearance In back, on both sides of, and above brake wheel, except as shown for tanks and similar shapes in
4 in. clearance underneath brake wheel.
12 In. minimum clearance from end of car to load, extending from center of brake wheel to side of car and 6 ft.
above car floor. On gondola cars this space may be utilized from floor of car to 4 In. below bottom of brake wheel,
(b) In the loading and hauling of long commodities requiring more than one car, handbrakes may be omitted on all
save one of the cars while they are thus combined for such purpose. (See Supplementary Act No. 188 Approved April
14, 1910, Federal Statute reference 36 Stat. L., 298, of the current edition of the U.S. Safety Appliances).
(c) Brake Wheel clearance should be increased as much as consistent with proper location of load.
Rule 3. Wood Securement Items -- Quality and Species
Where "lumber," "wood" or "hardwood" is specified in various figures In Sections 2 through 6 and for loads
prepared in accordance with the General Rules in Section 1, the following species are commercial species* of woods
acceptable for all uses:
Ash (White,* Oregon, Pumpkin)
Birch (Alaska Paper, sweet, yellow)
Maple (hard* and red)
Oak (red* and white*)
Pine (Southern yellow*, pond, sand, South Florida,
Slash, Table Mountain and Virginia)
Douglas Fir (coast type)
Elm (American cedar, rock, slippery and winged)
Hickory (true* and pecan*)