[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR177.835]

[Page 770-772]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 177_CARRIAGE BY PUBLIC HIGHWAY--Table of Contents
 
                     Subpart B_Loading and Unloading
 
Sec. 177.835  Class 1 materials.

    (See also Sec. 177.834 (a) to (j).)
    (a) Engine stopped. No Class 1 (explosive) materials shall be loaded 
into or on or be unloaded from any motor vehicle with the engine 
running.
    (b) Care in loading, unloading, or other handling of Class 1 
(explosive) materials. No bale hooks or other metal tools shall be used 
for the loading, unloading, or other handling of Class 1 (explosive) 
materials, nor shall any package or other container of Class 1 
(explosive) materials, except barrels or kegs, be rolled. No packages of 
Class 1 (explosive) materials shall be thrown or dropped during process 
of loading or unloading or handling of Class 1 (explosive) materials. 
Special care shall be exercised to the end that packages or other 
containers containing Class 1 (explosive) materials shall not catch fire 
from sparks or hot gases from the exhaust tailpipe.
    (1) Whenever tarpaulins are used for covering Class 1 (explosive) 
materials, they shall be secured by means of rope, wire, or other 
equally efficient tie downs. Class 1 (explosive) materials placards or 
markings required by Sec. 177.823 shall be secured, in the appropriate 
locations, directly to the equipment transporting the Class 1 
(explosive) materials. If the vehicle is provided with placard boards, 
the placards must be applied to these boards.
    (2) [Reserved]
    (c) Class 1 (explosive) materials on vehicles in combination. 
Division 1.1 or 1.2 (explosive) materials may not be loaded into or 
carried on any vehicle or a combination of vehicles if:
    (1) More than two cargo carrying vehicles are in the combination;
    (2) Any full trailer in the combination has a wheel base of less 
than 184 inches;
    (3) Any vehicle in the combination is a cargo tank which is required 
to be marked or placarded under Sec. 177.823; or
    (4) The other vehicle in the combination contains any:
    (i) Substances, explosive, n.o.s., Division 1.1A (explosive) 
material (Initiating explosive),
    (ii) Packages of Class 7 (radioactive) materials bearing ``Yellow 
III'' labels,
    (iii) Division 2.3, Hazard Zone A or Hazard Zone B materials or 
Division 6.1, PG I, Hazard Zone A materials, or
    (iv) Hazardous materials in a portable tank or a DOT specification 
106A or 110A tank.
    (d) [Reserved]
    (e) No sharp projections inside body of vehicles. No motor vehicle 
transporting any kind of Class 1 (explosive) material shall have on the 
interior of the body in which the Class 1 (explosive) materials are 
contained, any inwardly projecting bolts, screws, nails, or other 
inwardly projecting parts likely to produce damage to any package or 
container of Class 1 (explosive) materials during the loading or 
unloading process or in transit.
    (f) Class 1 (explosive) materials vehicles, floors tight and lined. 
Motor vehicles transporting Division 1.1, 1.2, or 1.3 (explosive) 
materials shall have tight floors; shall have that portion of the 
interior in contact with the load lined with either non-metallic 
material or non-ferrous metals, except that the lining is not required 
for truck load shipments loaded by the Departments of the Army, Navy or 
Air Force of the United States Government provided the Class 1 
(explosive) materials are of

[[Page 771]]

such nature that they are not liable to leakage of dust, powder, or 
vapor which might become the cause of an explosion. The interior of the 
cargo space must be in good condition so that there will not be any 
likelihood of containers being damaged by exposed bolts, nuts, broken 
side panels or floor boards, or any similar projections.
    (g) No detonator assembly or booster with detonator may be 
transported on the same motor vehicle with any Division 1.1, 1.2 or 1.3 
material (except other detonator assemblies, boosters with detonators or 
detonators), detonating cord Division 1.4 material or Division 1.5 
material. No detonator may be transported on the same motor vehicle with 
any Division 1.1, 1.2 or 1.3 material (except other detonators, 
detonator assemblies or boosters with detonators), detonating cord 
Division 1.4 material or Division 1.5 material unless--
    (1) It is packed in a specification MC 201 (Sec. 178.318 of this 
subchapter) container; or
    (2) The package conforms with requirements prescribed in Sec. 
173.63 of this subchapter, and its use is restricted to instances when--
    (i) There is no Division 1.1, 1.2, 1.3 or 1.5 material loaded on the 
motor vehicle; and
    (ii) A separation of 61 cm (24 inches) is maintained between each 
package of detonators and each package of detonating cord; or
    (3) It is packed and loaded in accordance with a method approved by 
the Department. One method approved by the Department requires that--
    (i) The detonators are in packagings as prescribed in Sec. 173.63 
of this subchapter which in turn are loaded into suitable containers or 
separate compartments; and
    (ii) That both the detonators and the container or compartment meet 
the requirements of the Institute of Makers of Explosives' Safety 
Library Publication No. 22 (IBR, see Sec. 171.7 of this subchapter).
    (h) Lading within body or covered tailgate closed. Except as 
provided in paragraph (g) of this section, dealing with the 
transportation of liquid nitroglycerin, desensitized liquid 
nitroglycerin or diethylene glycol dinitrate, all of that portion of the 
lading of any motor vehicle which consists of Class 1 (explosive) 
materials shall be contained entirely within the body of the motor 
vehicle or within the horizontal outline thereof, without overhang or 
projection of any part of the load and if such motor vehicle has a 
tailboard or tailgate, it shall be closed and secured in place during 
such transportation. Every motor vehicle transporting Class 1 
(explosive) materials must either have a closed body or have the body 
thereof covered with a tarpaulin, and in either event care must be taken 
to protect the load from moisture and sparks, except that subject to 
other provisions of these regulations, Class 1 (explosive) materials 
other than black powder may be transported on flat-bed vehicles if the 
explosive portion of the load on each vehicle is packed in fire and 
water resistant containers or covered with a fire and water resistant 
tarpaulin.
    (i) Class 1 (explosive) materials to be protected against damage by 
other lading. No motor vehicle transporting any Class 1 (explosive) 
material may transport as a part of its load any metal or other articles 
or materials likely to damage such Class 1 (explosive) material or any 
package in which it is contained, unless the different parts of such 
load be so segregated or secured in place in or on the motor vehicle and 
separated by bulkheads or other suitable means as to prevent such 
damage.
    (j) Transfer of Class 1 (explosive) materials en route. No Division 
1.1, 1.2, or 1.3 (explosive) material shall be transferred from one 
container to another, or from one motor vehicle to another vehicle, or 
from another vehicle to a motor vehicle, on any public highway, street, 
or road, except in case of emergency. In such cases red electric 
lanterns, red emergency reflectors or red flags shall be set out in the 
manner prescribed for disabled or stopped motor vehicles. (See Motor 
Carrier Safety Regulations, part 392 of this title.) In any event, all 
practicable means, in addition to these hereinbefore prescribed, shall 
be taken to protect and warn other users of the highway against the 
hazard involved in any such transfer or against the hazard

[[Page 772]]

occasioned by the emergency making such transfer necessary.

[29 FR 18795, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967]

    Editorial Note: For Federal Register citations affecting Sec. 
177.835, see the List of CFR Sections Affected which appears in the 
Finding Aids section of the printed volume and on GPO Access.