36. Where appropriate, lock-out procedures shall be used.37. Employees shall not work under vehicles supported by jacks or chain hoists, without protective blocking that will prevent injury if jacks or hoists should fail.38. Air hoses shall not be disconnected at compressors until hose line has been bled.39. All excavations shall be visually inspected before backfilling, to ensure that it is safe to backfill.40. Excavating equipment shall not be operated near tops of cuts, banks, and cliffs if employees are working below.41. Tractors, bulldozers, scrapers and carryalls shall not operate where there is possibility of overturning in dangerous areas like edges of deep fills, cut banks, and steep slopes.42. When loading where there is a probability of dangerous slides or movement of material, the wheels or treads of loading equipment, other than that riding on rails, should be turned in the direction which will facilitate escape in case of danger, except in a situation where this position of the wheels or treads would cause a greater operational hazard. BLASTING OPERATIONS
1. Cases that have contained explosives shall be destroyed by burning out-of-doors. Do not burn in a stove or furnace.2. Shoes with nails or metal plates shall not be worn in magazines or near explosives.3. Blasting caps shall only be carried in approved containers.4. The least amount of proper strength explosive that will do the job effectively shall be used.5. Detonators and primers shall be separated from the explosives until it is necessary to bring them together in preparing for the blast.6. Holes loaded during a shift should be fired during that shift.7. The operations of loading and firing should be carried out with as few workers as possible.8. Drill holes shall be blown out and made ready before explosives are brought to the site.9. In tamping explosives, steady, even pressure should be used.10. For electric blasting, the following shall apply: (a) Tight electrical connections.(b) No short circuits or breaks in the wires.(c) Enough current to fire all shots.(d) A strong, properly-applied force when using a blasting machine operated by physical effort.(e) Care not to damage the insulation of wires when tamping charges.11. If misfires occur, the licensed blaster shall be contacted.Cal. Code Regs. Tit. 8, div. 1, ch. 4, subch. 4, app A Plate A-3-b
1. Amendment filed 4-3-85; effective thirtieth day thereafter (Register 85, No. 14).
2. Amendment filed 8-29-86; effective thirtieth day thereafter (Register 86, No. 39). Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.