[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR7.63]

[Page 22-23]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents
 
                 Subpart D--Multiple-Shot Blasting Units
 
Sec. 7.63  Application requirements.

    (a) Each application for approval of a blasting unit shall include 
the following:
    (1) An overall assembly drawing showing the physical construction of 
the blasting unit.
    (2) A schematic diagram of the electric circuit.
    (3) A parts list specifying each electric component and its 
electrical ratings, including tolerances.
    (4) A layout drawing showing the location of each component and 
wiring.

[[Page 23]]

    (5) The model number or other manufacturer's designation of the 
blasting unit.
    (b) All drawings shall be titled, numbered, dated, and include the 
latest revision number. The drawings may be combined into one or more 
composite drawings.
    (c) The application shall contain a list of all the drawings 
submitted, including drawing titles, numbers, and revisions.
    (d) A detailed technical description of the operation and use of the 
blasting unit shall be submitted with the application.

[54 FR 48210, Nov. 21, 1989, as amended at 60 FR 33723, June 29, 1995]