California Code of Regulations (Last Updated: August 6, 2014) |
Title 8. Industrial Relations |
Division 1. Department of Industrial Relations |
Chapter 4. Division of Industrial Safety |
Subchapter 17. Mine Safety Orders |
Group 20. Flammable Liquids, Gases and Vapors |
Article 36. Hoisting Equipment |
General |
§ 7141. (19-94). Hoisting Signal Code.
Latest version.
- (a) When using signals for hoisting or lowering, the following system or code shall be used:Signals Between Mine and Hoistman -2-1 bells, to hoist rock.1 bell, to stop if in motion.1-2-1 bells, to release skip.2 bells, to lower.3-1 bells, man on; run slowly; men to be hoisted.3-2 bells, man on; run slowly; men to be lowered.7 bells and repeat, accident. Follow this signal with station signal.3-3-1 bells, hoist cautiously.3-3-2 bells, lower cautiously.3-2-1 bells, ready to blast.After receiving the signal “ready to blast,” the hoistman shall give his signal when he is ready to hoist. The hoistman's signal “ready to hoist” is to raise the shaft conveyance 2 feet and lower it again.(b) When a signal system is used to call for the shaft conveyance, the following code shall be used:1-2 bells, collar of shaft2 -1-2 bells, 20th level1-3 bells, 1st level2 -1-3 bells, 21st level1-4 bells, 2d level2 -1-4 bells, 22d level1-5 bells, 3d level2 -1-5 bells, 23d level2-1 bells, 4th level2 -2-1 bells, 24th level2-2 bells, 5th level2 -2-2 bells, 25th level2-3 bells, 6th level2 -2-3 bells, 26th level2-4 bells, 7th level2 -2-4 bells, 27th level2-5 bells, 8th level2 -2-5 bells, 28th level4-1 bells, 9th level2 -4-1 bells, 29th level4-2 bells, 10th level2 -4-2 bells, 30th level4-3 bells, 11th level2 -4-3 bells, 31st level4-4 bells, 12th level2 -4-4 bells, 32d level4-5 bells, 13th level2 -4-5 bells, 33d level5-1 bells, 14th level2 -5-1 bells, 34th level5-2 bells, 15th level2 -5-2 bells, 35th level5-3 bells, 16th level2 -5-3 bells, 36th level5-4 bells, 17th level2 -5-4 bells, 37th level5-5 bells, 18th level2 -5-5 bells, 38th level6-1 bells, 19th level2 -6-1 bells, 39th level(c) (19-94) Easily legible copies of the hoisting signals shall be posted in a convenient location at the collar of the shaft, at each shaft station, and in the hoist room.
Note
Note: When there are two or more shafts with hoists in the same mining operations, similarly identified levels shall have the same signal code number.(d) (19-96) Any person responsible for receiving or giving signals for cages, skips, and man trips when men or materials are being transported shall be familiar with the posted signaling code.