[Code of Federal Regulations]

[Title 30, Volume 1]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 30CFR75.1311]



[Page 572]

 

                       TITLE 30--MINERAL RESOURCES

 

  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

 

PART 75_MANDATORY SAFETY STANDARDS_UNDERGROUND COAL MINES--Table of 

Contents

 

                    Subpart N_Explosives and Blasting

 

Sec.  75.1311  Transporting explosives and detonators.



    (a) When explosives and detonators are to be transported 

underground--

    (1) They shall be enclosed in separate, substantially constructed 

containers made of nonconductive material, with no metal or other 

conductive materials exposed inside, except as specified in paragraph 

(d) of this section; and

    (2) Each container of explosives and of detonators shall be 

indelibly marked with a readily visible warning identifying the 

contents.

    (b) When explosives and detonators are transported by any cars or 

vehicles--

    (1) The cars or vehicles shall be marked with warnings to identify 

the contents as explosive. The warnings shall be readily visible to 

miners approaching from any direction and in indelible letters;

    (2) Explosives and detonators shall be transported either in 

separate cars or vehicles, or if in the same cars or vehicles as 

follows:

    (i) Class A and Class C detonators in quantities greater than 1,000 

shall be kept in the original containers as shipped from the 

manufacturer and separated from explosives by a hardwood partition at 

least 4 inches thick, a laminated partition or equivalent; and

    (ii) Class A and Class C detonators in quantities of no more than 

1,000 shall be separated from explosives by a hardwood partition at 

least 4 inches thick, a laminated partition or equivalent.

    (3) No persons, other than those necessary to operate the equipment 

or to accompany the explosives and detonators, shall be transported with 

explosives and detonators, and

    (4) When explosives and detonators are transported using trolley 

locomotives--

    (i) Trips carrying explosives and detonators shall be separated from 

all other mantrips by at least a 5-minute interval; and

    (ii) Cars containing explosives or detonators shall be separated 

from the locomotives by at least one car that is empty or that contains 

noncombustible materials.

    (c) When explosives and detonators are transported on conveyor 

belts--

    (1) Containers of explosives shall be separated from containers of 

detonators by at least 50 feet;

    (2) At least 6 inches of clearance shall be maintained between the 

top of any container of explosives or container of detonators and the 

mine roof or other obstruction;

    (3) Except when persons are riding the belt to accompany explosives 

or detonators, a person shall be at each transfer point between belts 

and at the unloading location; and

    (4) Conveyor belts shall be stopped before explosives or detonators 

are loaded or unloaded.

    (d) When explosives and detonators are transported by hand they 

shall be carried in separate, nonconductive, closed containers.



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