View all text of Subpart L [§ 75.1100 - § 75.1108]
§ 75.1103-3 - Automatic fire sensor and warning device systems; minimum requirements; general.
Automatic fire sensor and warning device systems installed in belt haulageways of underground coal mines shall be assembled from components which meet the minimum requirements set forth in §§ 75.1103-4 through 75.1103-7 unless otherwise approved by the Secretary.