View all text of Subjgrp 200 [§ 57.19090 - § 57.19096]
§ 57.19093 - Standard signal code.
A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a “one bell” signal is prohibited.
View all text of Subjgrp 200 [§ 57.19090 - § 57.19096]
A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a “one bell” signal is prohibited.