GroundRules
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- 4VAC25-40-4190 · Placement of hoist controls
- 4VAC25-40-4200 · Drum flanges
- 4VAC25-40-4210 · Drum grooves
- 4VAC25-40-4220 · Engine-powered hoists
- 4VAC25-40-4230 · Standards for wire ropes
- 4VAC25-40-4240 · Installation of wire ropes
- 4VAC25-40-4250 · Guide ropes
- 4VAC25-40-4260 · Wire rope examination
- 4VAC25-40-4270 · Requirements for rope ends
- 4VAC25-40-4280 · Load end attachment
- 4VAC25-40-4290 · New ropes
- 4VAC25-40-4300 · Safety device attachments
- 4VAC25-40-4310 · Secondary safety connections
- 4VAC25-40-4320 · Headframes and sheaves
- 4VAC25-40-4330 · Clearance requirements
- 4VAC25-40-4340 · Fleet angles
- 4VAC25-40-4350 · Platforms
- 4VAC25-40-4360 · Diameter specifications
- 4VAC25-40-4370 · Support grooves
- 4VAC25-40-4380 · Metal bonnets
- 4VAC25-40-4390 · Use of buckets to hoist persons
- 4VAC25-40-4400 · Specifications for buckets used to hoist persons
- 4VAC25-40-4410 · Ratings for ropes suspending platforms
- 4VAC25-40-4420 · Rope guides
- 4VAC25-40-4430 · Use of manually-operated hoists
- 4VAC25-40-4440 · Use of automatic hoists
- 4VAC25-40-4450 · Fitness requirements for hoist persons
- 4VAC25-40-4460 · Competency of hoist persons
- 4VAC25-40-4470 · Use of extreme caution
- 4VAC25-40-4480 · Speed for hoisting persons
- 4VAC25-40-4490 · Maximum speeds
- 4VAC25-40-4500 · Authorized persons
- 4VAC25-40-4510 · Balancing cages
- 4VAC25-40-4520 · Lowering conveyances by brakes
- 4VAC25-40-4530 · Maximum number of persons to ride
- 4VAC25-40-4540 · Persons in charge
- 4VAC25-40-4550 · Conduct on conveyances
- 4VAC25-40-4560 · Moving conveyances
- 4VAC25-40-4570 · Doors to be closed
- 4VAC25-40-4580 · Riding in loaded buckets
- 4VAC25-40-4590 · When skips shall be empty
- 4VAC25-40-4600 · Hoisting rock or supplies
- 4VAC25-40-4610 · Limitations on riding shaft conveyance
- 4VAC25-40-4620 · Open hooks
- 4VAC25-40-4630 · Speeds for open buckets
- 4VAC25-40-4640 · Where buckets to be stopped on lowering
- 4VAC25-40-4650 · Where buckets to be stopped on raising
- 4VAC25-40-4660 · Blocking cars
- 4VAC25-40-4670 · Securing materials in buckets
- 4VAC25-40-4680 · Placement of conveyances not in use
- 4VAC25-40-4690 · Signaling between stations and hoist room
- 4VAC25-40-4700 · When telephone instructions are acceptable
- 4VAC25-40-4710 · Signals to hoist operator
- 4VAC25-40-4720 · Standard hoisting signals
- 4VAC25-40-4730 · Posting of signal codes
- 4VAC25-40-4740 · Positioning signal devices
- 4VAC25-40-4750 · Qualifications of persons giving signals
- 4VAC25-40-4760 · Safety gates on landings
- 4VAC25-40-4770 · Stop blocks or derail switches
- 4VAC25-40-4780 · Where guides to be provided
- 4VAC25-40-4790 · Construction of dumping facilities
- 4VAC25-40-4800 · Shaft station clearance requirements
- 4VAC25-40-4810 · Safe passage around compartments
- 4VAC25-40-4820 · Maintaining shaft sets
- 4VAC25-40-4830 · Persons working in shafts
- 4VAC25-40-4840 · Posting of signs
- 4VAC25-40-4850 · Performing inspections and repairs
- 4VAC25-40-4860 · Bulkheads or equivalent protection
- 4VAC25-40-4870 · Ladders in shafts
- 4VAC25-40-4880 · Inspection and testing procedures
- 4VAC25-40-4890 · Records to be kept
- 4VAC25-40-4900 · Replacement parts
- 4VAC25-40-4910 · Lubrication of ropes
- 4VAC25-40-4920 · Cutting of ropes for inspections
- 4VAC25-40-4930 · Cutting of ropes to distribute wear
- 4VAC25-40-4940 · Ropes to be calipered
- 4VAC25-40-4950 · Electromagnetic or other nondestructive testing
- 4VAC25-40-4960 · Substandard ropes
- 4VAC25-40-4970 · Testing on each shift
- 4VAC25-40-4980 · Testing with empty conveyances
- 4VAC25-40-4990 · Inspection of ropes and connections
- 4VAC25-40-5000 · Inspection of safety catches
- 4VAC25-40-5010 · Inspection of shafts
- 4VAC25-40-5020 · Inspection of sheaves
- 4VAC25-40-5030 · Lubrication of rollers
- 4VAC25-40-5060 · Gassy mines
- 4VAC25-40-5070 · Effect of detection of flammable gases
- 4VAC25-40-5080 · Smoking materials prohibited
- 4VAC25-40-5090 · Use of open flames
- 4VAC25-40-5100 · Supervision of use of open flames
- 4VAC25-40-5110 · Limit on percentage of gases
- 4VAC25-40-5120 · Installation of main fans
- 4VAC25-40-5130 · Operation of main fans
- 4VAC25-40-5140 · Intakes and returns
- 4VAC25-40-5150 · Single shaft intakes and returns
- 4VAC25-40-5160 · Failure of fans
- 4VAC25-40-5170 · Failure of ventilation
- 4VAC25-40-5180 · Inspection after ventilation failure
- 4VAC25-40-5190 · Access of personnel after fan shutdown
- 4VAC25-40-5200 · Operation of booster fans