[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: 30CFR77.212]

[Page 605]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 77--MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES--Table of Contents
 
                    Subpart C--Surface Installations
 
Sec. 77.212  Draw-off tunnel ventilation fans; installation.

    When fans are used to ventilate draw-off tunnels the fans shall be:
    (a) Installed on the surface;
    (b) Installed in fireproof housings and connected to the tunnel 
openings with fireproof air ducts; and,
    (c) Offset from the tunnel opening.