MARVIN MANDEL, Governor                                      931

COMPLIES WITH THE PROVISIONS OF THIS SUBSECTION.

REVISOR'S NOTE: This first paragraph presently
appears as Article 66C, section 566 (a) of
the Code. The only changes made are in
style.

(2)    ALTERNATIVE TO LOCATION.—INSTEAD OF
LOCATING THE FAN AND PRESSURE RELIEF OR EXPLOSION
DOORS, AS REQUIRED BY PARAGRAPH (2) OF THE SUBSECTION,
THE FAN MAY BE DIRECTLY IN FRONT OF OR OVER THE MINE
OPENING, IF THE OPENING IS NOT IN DIRECT LINE WITH
POSSIBLE FORCES COMING CUT OF THE MINE IF AN EXPLOSION
OCCURS. IF THERE IS ANOTHER OPENING HAVING A
WEAK-WALL STOPPING OR EXPLOSION DOOR THAT WOULD BE IN
DIRECT LINE WITH THE FORCES COMING OUT OF THE MINE IF
AN EXPLOSION OCCURS, THE OPENING MAY NOT BE LESS THAN
15 FEET NCR MORE THAN 100 FEET FROM THE FAN OPENING.
NO MAIN FAN MAY BE PLACED INSIDE ANY MINE.

REVISOR'S NOTE: This second paragraph presently
appears as Article 66C, section 566 (b) of
the Code. The only changes made are in
style.

(3)    REVERSAL OF AIR FLOW; ALARM WHEN FAN
SLOWS OR STOPS.—EVERY MINE FAN SHALL BE INSTALLED TO
PERMIT THE REVERSAL OF AIR FLOW AND, UNLESS THE FAN IS
ATTENDED CONSTANTLY, AN AUTOMATIC DEVICE TO GIVE ALARM
WHEN THE FAN SLOWS DOWN OR STOPS. THIS DEVICE SHALL
BE PLACED SO THAT A RESPONSIBLE PERSON CAN SEE OR HEAR
IT- THE FAN OF A GASSY MINE SHALL BE ON A SEPARATE
POWER CIRCUIT, INDEPENDENT OF THE MINE CIRCUIT.

REVISOR'S NOTE:      This third   paragraph presently

appears as   Article 66C,    section 566 (c) of

the Code.         The only      changes made are in
style.

(4) MAIN FAN OF GASSY MINE; INSPECTION;
PROCEDURE WHEN FAN STOPS.— IF THE MAIN FAN OF A GASSY
MINE FAILS OR STOPS, IMMEDIATE ACTION SHALL BE TAKEN
TO CUT OFF THE POWER AND WITHDRAW THE MEN FROM THE
FACE REGION OF THE WINE. IF VENTILATION IS RESTORED
IN A REASONABLE TIME, A CERTIFIED OR CAPABLE
SUPERVISOR SHALL RE-EXAMINE THE FACE REGION AND ANY
OTHER PLACE METHANE IS LIKELY TO ACCUMULATE. IF THE
REGION IS FOUND FREE FROM EXPLOSIVE GAS, POWER MAY BE
RESTORED AND WORK RESUMED. IF VENTILATION IS NOT
RESTORED IN A REASONABLE TIME, EVERY UNDERGROUND
EMPLOYEE SHALL BE REMOVED FROM THE MINE.