[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: 30CFR75.210]

[Page 463]
 
                       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 C--Roof Support
 
Sec. 75.210  Manual installation of temporary support.

    (a) When manually installing temporary support, only persons engaged 
in installing the support shall proceed beyond permanent support.
    (b) When manually installing temporary supports, the first temporary 
support shall be set no more than 5 feet from a permanent roof support 
and the rib. All temporary supports shall be set so that the person 
installing the supports remains between the temporary support being set 
and two other supports which shall be no more than 5 feet from the 
support being installed. Each temporary support shall be completely 
installed prior to installing the next temporary support.
    (c) All temporary supports shall be placed on no more than 5-foot 
centers.
    (d) Once temporary supports have been installed, work or travel 
beyond permanent roof support shall be done between temporary supports 
and the nearest permanent support or between other temporary supports.