[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: 30CFR18.67]



[Page 116]

 

                       TITLE 30--MINERAL RESOURCES

 

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

 

PART 18_ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of 

Contents

 

                     Subpart C_Inspections and Tests

 

Sec.  18.67  Static-pressure tests.



    Static-pressure tests shall be conducted by the applicant on each 

enclosure of a specific design when MSHA determines that visual 

inspection will not reveal defects in castings or in single-seam welds. 

Such test procedure shall be submitted to MSHA for approval and the 

specifications on file with MSHA shall include a statement assuring that 

such tests will be conducted. The static pressure to be applied shall be 

150 pounds per square inch (gage) or one and one-half times the maximum 

pressure recorded in MSHA's explosion tests, whichever is greater.