Search

ECFR SNAPSHOT / CURRENT THROUGH 2026-08-19

30 CFR 75.1103-8

Automatic fire sensor and warning device systems; examination and test requirements.

CHAPTERCHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
PARTPART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
SUBPARTSubpart L—Fire Protection

CURRENT PUBLIC TEXT

(a) Automatic fire sensor and warning device systems shall be examined at least once each shift when belts are operated as part of a production shift. A functional test of the warning signals shall be made at least once every seven days. Examination and maintenance of such systems shall be by a qualified person.

(b) A record of the functional test conducted in accordance with paragraph (a) of this section shall be maintained by the operator and kept for a period of one year.

(c) Sensors shall be calibrated in accordance with the manufacturer's calibration instructions at intervals not to exceed 31 days. A record of the sensor calibrations shall be maintained by the operator and kept for a period of one year.

[73 FR 80615, Dec. 31, 2008]