reglab/statecodes huggingface dataset:
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › Section 7010 - Loading, Hauling, and Dumping-General

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (9-2) Equipment defects affecting safety
					 shall be corrected before the equipment is used.
(b) (9-31) When traveling between work areas,
					 the equipment shall be secured in the travel position.
(c) (9-36) Electrically powered mobile
					 equipment shall not be left unattended unless the master switch is in the off
					 position, all operating controls are in the neutral position, and the brakes
					 are set or other equivalent precautions are taken against rolling.
(d) (9-37) Mobile equipment shall not be left
					 unattended unless the brakes are set. The wheels shall be turned into a bank or
					 rib, or shall be blocked, when such equipment is parked on a grade.
(e) (9-60) Where overhead clearance is
					 restricted, warning devices shall be installed and the restricted area shall be
					 conspicuously marked.
(f) (9-64)
					 Chute loading installations shall be designed so that the men pulling chutes
					 are not required to be in a hazardous position while loading cars.
(g) (9-39) Employees shall not be permitted
					 to get on or off moving vehicles or equipment.
EXCEPTION: This does not apply to train crews when
						operating trains or industrial railroads.
(h) (9-26) Only authorized persons shall be
					 present in areas of loading or dumping operations.
(i) (14-13) Industrial trucks, tractors,
					 haulage vehicles, and earthmoving equipment shall meet the canopy, roll-over
					 protection, and other requirements of the General Industry Safety
					 Orders.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › Section 7011 - Parts of Shovels, Draglines, and Hoisting Equipment Subject to Wear

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The employer
					 shall require that wire ropes, bearings, friction clutches, chain drives, and
					 other parts subject to wear be inspected at adequate intervals in order that
					 any unsafe conditions may be corrected.
(b) The division may require properly dated
					 detailed reports of such inspections to be made in places of employment where
					 there is doubt as to proper supervision over safe maintenance of hoisting
					 equipment.
(c) The intervals
					 between the inspections shall be short enough to enable the employer to be
					 reasonably certain that the crane, hoist, derrick, excavating or loading
					 equipment will not be operated when in an unsafe condition.
(d) (9-3) Mechanically or electrically
					 operated brakes shall be inspected periodically, and necessary repairs and
					 adjustments shall be made.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › Section 7012 - Cranes, Draglines, Shovels, and Loading Devices

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The control area for every crane or other
					 lifting device, and for every power-driven shovel or loading device, shall be
					 protected with a strong guard where there is danger from falling or flying
					 materials.
(b) (9-11) All glass in
					 the windows of the cab shall be safety glass of a type approved by the State
					 Department of Motor Vehicles.
(c)
					 The crane, excavator, or loader shall be equipped with a signaling device that
					 may be heard above the usual noises in the pit.
(d) When loading where there is a probability
					 of dangerous slides, the wheels or treads of loading equipment, other than
					 railroad shovels, shall be turned in the direction which will most facilitate
					 escape in case of danger.
(e)
					 (9-30) Employees shall not be permitted under suspended loads or
					 buckets.
(f) (9-27) Any person
					 desiring to go on board any shovel, crane, or dragline which is in operation
					 shall first signal the operator of such equipment. He shall not go aboard until
					 the operator stops the equipment and signals that it is safe to
					 proceed.
(g) (9-5) The operator of
					 any crane, dragline, shovel, or loader shall signal other persons in the
					 vicinity before he begins operations or moves the equipment.
(h) The shovel, loader, dragline, or crane
					 shall not be started to travel until it is first determined that the travel way
					 is clear of persons and equipment.
(i) When equipment is traveling under its own
					 power, the operator shall so turn his cab that he has clear vision in the
					 direction of travel.
(j) (9-25)
					 Where practicable, haulage vehicles shall be loaded in such way that the bucket
					 or boom does not pass over the vehicle driver's position. If the bucket or boom
					 has to pass over the driver's position, no loading shall be done until the
					 driver is in a safe location away from his vehicle.
(k) (9-32) The crane, excavator, or loader
					 shall not be left unattended until the load or bucket is lowered to the
					 ground.
(l) (9-61) Stockpile and
					 muckpile faces shall be trimmed to prevent hazards to personnel.
(m) (9-62) Rocks too large to be handled
					 safely shall be broken before loading.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › Section 7014 - Private Roads

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
					 When building private roads, consideration shall be given to the following
					 factors:
(1) Type of material to be used for
					 road bed and surfacing.
(2) Type of
					 equipment that will travel on the road.
(3) Size of loads to be hauled.
(4) Length, and percent of grades.
(5) Degree of curvature and visibility on
					 turns.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › Section 7015 - Haulage Vehicle Definition

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Haulage vehicle as used in this article means any vehicle
						other than railroad cars or locomotives used to transport the product of a pit.
						In addition to self-propelled trucks, the term "haulage vehicle" includes
						tractors, trailers, and all other similar equipment used for such
						transportation.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › Section 7016 - Haulage Vehicle, Construction and Maintenance

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (9-11) Every haulage vehicle shall be in
					 compliance with the California Motor Vehicle Code except for:
(1) Lights;
(2) Weight limits;
(3) Width and height;
(4) Installation of windshields.
This article does not require the installation of
						windshields on haulage vehicles but if windshields are installed, they shall be
						in compliance with the provisions of the California Motor Vehicle
						Code.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › UNDERGROUND › Section 7018 - Trackless Mine Haulage-Equipment and Practices

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Every trackless haulage vehicle shall be
						provided with adequate power to carry its load safely up any grade over which
						it operates.
(b) A safe seat shall
						be provided for the operator of the vehicle. The seat shall be constructed so
						it will prevent the operator from slipping over the back or sides of the
						seat.
(c) Haulage vehicles shall be
						equipped with headlights and at least one taillight in good condition.
Such vehicles shall be equipped with backup lights
						  which function automatically when the vehicle is put in reverse
						  gear.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › General › Section 7020 - (9-25). Canopy Guard

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Except as provided in subsection (d) of this section every haulage vehicle that
						is loaded by means of any device which employs a swinging boom to load the
						vehicle shall be equipped with a suitable canopy guard for the driver's
						seat.
(b) The canopy guard shall be
						strongly constructed to afford adequate protection for the driver. It shall be
						of sufficient width and height so as not to hamper the movement of the driver
						or prevent his immediate escape from the vehicle in emergency.
(c) The canopy shall be steel plate at least
						three-sixteenths inch thick. It shall be substantially supported by steel
						members of adequate strength attached to the frame or body of the
						vehicle.
(d) A canopy guard is not
						required on any haulage vehicle which is provided with a cab so constructed
						that it will afford at least as much protection as a canopy guard.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › General › Section 7021 - Haulage Vehicle Operation Procedure

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) When operating vehicles, consideration
						shall be given to the condition of the roadway, weather, curves, grades and
						mechanical condition of the vehicle.
The vehicle shall not be operated at a speed which will
						  endanger the driver or traffic.
On curves, the vehicle speed shall be limited so that
						  it can be stopped within one-half the visible distance of the
						  roadway.
(b) (9-23) (9-24)
						Haulage vehicles shall at all time be operated under positive control. When
						descending grades, the vehicle shall be kept in gear.
(c) (9-5) Where other warning signals are not
						provided, the vehicle's warning device shall be sounded before moving the
						haulage vehicle.
(d) (9-45) The
						loaded haulage vehicle shall not be moved away from the shovel or loader until
						the load is balanced and trimmed.
(e) Haulage vehicles shall not be driven
						unnecessarily while the body is in the dump position.
(f) No workman shall be permitted under the
						raised body of a haulage vehicle until such body is secured in its raised
						position.
(g) The hands or feet
						shall not be used to guide a hoist or winch cable on a haulage vehicle. When
						necessary to control a moving cable, the drum and sheaves shall be equipped
						with a device that will guide the cable to its proper position without being
						handled, or the employee shall be provided with a device which will enable him
						to guide the cable safely.
(h)
						(9-12) Cabs of mobile equipment shall be kept free of extraneous
						materials.
(i) (9-45) Equipment
						which is to be hauled shall be loaded and protected so as to prevent sliding or
						spillage.
(j) (9-58) If truck
						spotters are used, they shall be well in the clear while trucks are backing
						into dumping position and dumping; lights shall be used at night to direct
						trucks.
(k) (9-68) Lights, flares,
						or other warning devices shall be posted when parked equipment creates a hazard
						to vehicular traffic.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › General › Section 7023 - Industrial Railroads

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (9-83) The tracks for all industrial
						railroads in use in the mine or on the surface shall be kept in good condition,
						free of dips, bumps, or obstructions that may interfere with safe operation of
						haulage equipment. Surface industrial railroads and clearances shall comply
						with the Industrial Railroad standards of the General Industry Safety
						Orders.
(b) All bridges and
						trestles shall be substantially constructed and maintained in good repair. They
						shall not be subjected to loads greater than they were designed to support.
It is recommended that bridge and trestle timbers be
						  treated with an effective preservative before being used.
(c) (9-20) Positive-acting stopblocks, derail
						devices, track skates, or other adequate means shall be installed wherever
						necessary to protect persons from runaway or moving railroad
						equipment.
(d) (9-28) Switch throws
						shall be installed so as to provide adequate clearance for switchmen.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › UNDERGROUND › Section 7025 - Mine Trains -Equipment and Practices

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Every new locomotive purchased after
						October 27, 1958 shall be equipped with some type of dead-man control that will
						shut off the power automatically when the operator leaves his compartment.
						Where practical, existing locomotives shall be equipped with such
						controls.
(b) Rerailing equipment
						shall be available and used to put derailed cars and locomotives on the track.
						It is recommended that rerailers and jacks be provided.
(c) Every locomotive when in motion shall
						continuously display a white light in the direction of travel which will
						provide sufficient illumination to make men or objects clearly visible at a
						distance of 100 feet in the direction in which the locomotive is
						traveling.
(d) Each train shall be
						equipped with a red taillight of sufficient intensity as to be clearly visible
						from a distance of 100 feet.
(e) A
						safe seat shall be provided for the operator of every locomotive. The seat
						shall be constructed so it will prevent the operator from accidentally slipping
						over the back or sides of the seat.
(f) To prevent runaway cars should a coupling
						part, the locomotive shall be operated on the downgrade end of the train,
						except:
(1) When transporting workers. (See
						Section 7038.)
(2) When transporting materials which cannot
						be pushed safely.
(3) When the
						construction of a locomotive is such that it seriously obstructs the operator's
						view of the roadway; in which case, the locomotive shall be placed ahead of the
						train with the seat end turned in the direction in which the locomotive is
						traveling.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 17 - Loading, Hauling, and Dumping › UNDERGROUND › Section 7026 - Mechanical Haulage Refuge Stations

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (9-110) Refuge stations for pedestrians
						shall be provided at intervals not exceeding 200 feet along the haulageway on
						every mine level where a 30-inch passageway cannot be maintained.
(b) Each refuge station shall be not less
						than 4 feet long and shall afford a space at least 2 ½ feet in width
						between the widest portion of the car or train running on the railroad track
						and the side of the refuge.
(c)
						Refuge stations shall be plainly marked and kept free of rubbish.
(d) Ample passing space shall be provided
						along haulageways where trackless haulage is used.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 18 - Conveyors and Tramways › General › Section 7030 - Conveyors

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (14-1) Screw
						conveyors 7 feet or less above floor or other working level shall be completely
						covered with substantial lids except that screw conveyors the top of which is 2
						feet or less above the floor or other working level, or below the floor level
						may be guarded by standard railing guards having toeboards of midrail height or
						shall be guarded by substantial covers or gratings.
(b) All belt conveyor head pulleys, tail
						pulleys, single tension pulleys and dip take-up pulleys shall be so guarded
						that the entire sides of the pulleys are covered. The guard shall extend in the
						direction of the run of the belt to such a distance that a person cannot reach
						behind it and become caught in the nip point between the belt and
						pulley.
(c) Portable inclined
						conveyors shall have head and tail pulleys or sprockets and other power
						transmission equipment guarded according to the General Industry Safety Orders
						of the division.
(d) (11-2) (11-13)
						(11-14) Crossovers shall be provided and used where it is necessary to pass
						over exposed chain, belt, bucket, screw, or roller conveyors. Such crossovers
						shall be bridges or runways properly equipped with standard railings and
						toeboards, and shall have a fixed ladder, ramp, or stairway as a safe means of
						access.
(e) Conveyors passing over
						areas that are occupied or used by employees shall be so guarded as to prevent
						the material handled from falling on or causing injury to employees.
(f) Where workmen pass under the return
						strands of chain conveyors, a shallow trough or other effective means of
						sufficient strength to carry the weight of the broken chain shall be
						provided.
(g) (9-14) No employee
						shall be permitted to ride a power-driven chain, belt or bucket
						conveyor.
(h) (9-6) When the entire
						length of a conveyor is visible from the starting switch, the operator shall
						visually check to make certain that all persons are in the clear before
						starting the conveyor. When the entire length of the conveyor is not visible
						from the starting switch, a positive audible or visible warning system shall be
						installed and operated to warn persons that the conveyor will be
						started.
(i) (9-7) Unguarded
						conveyors with walkways shall be equipped with emergency stop devices or cords
						along their full length.
(j) (9-13)
						Adequate backstops or brakes shall be installed on inclined-conveyor drive
						units to prevent conveyors from running in reverse if a hazard to personnel
						would be caused.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 18 - Conveyors and Tramways › General › Section 7031 - Conveyor Passage

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						(11-9) Safe passageway shall be provided along every pit conveyor where
						employees are required or permitted to travel in the course of their operating
						duties.
(b) Conveyor tunnels
						constructed after April 7, 1953 shall have an unobstructed passageway at least
						2 feet wide and 6 ½ feet high.
When a tunnel constructed before April 7, 1953 is
						  extensively repaired or rebuilt, an unobstructed passageway shall be provided
						  as required in the foregoing paragraph of this subsection.
(c) (11-16) Passageways adjacent to conveyors
						shall be kept free of spillage from the conveyor. Means shall be taken to
						minimize spillage on the passageway.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 18 - Conveyors and Tramways › Underground › Section 7032 - Belt Conveyors in Mines

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Before a belt conveyor is installed in an underground mine, permission shall be
						secured in writing from the Division.
(b) Conveyor belting used underground shall
						be of a type that is acceptable to the Division.
(c) When application is made to install a
						conveyor in a mine, information regarding the following shall be submitted to
						the Division:
(1) Service for which the
						conveyor is intended.
(2) Width and
						length of conveyor.
(3) Size of
						passageway in which the conveyor will operate.
(4) Kind of automatic devices that will be
						provided to shut off the power should the belt stop.
(5) Fire protection to be provided.
(6) Any other information considered
						pertinent by the Division.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 18 - Conveyors and Tramways › General › Section 7035 - Aerial Tramway

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						(10-8b) Every aerial tramway, the operation of which requires the presence of
						employees at both ends of the tramway, shall be provided with direct connected
						telephone or other equally ready means of quick communication.
(b) (10-8d) No employees, except maintenance
						and repair men designated by the employer, shall be permitted to ride on any
						aerial tramway unless such tramway was designed for transportation of
						passengers.
(c) (10-8c) Tramways
						used for transportation of employees shall be provided with suitable stand-by
						power for emergency use, and a safe conveyance for employees to ride
						in.
(d) (10-7) Working areas under
						tramways shall be guarded by a substantial roof or other adequate protection
						against falling buckets or falling materials.
(e) (10-8a) The hoisting equipment and
						hoisting practices for inclined tramlines over which employees are transported
						shall be in compliance with the Aerial Passenger Tram Safety Orders of the
						Division.
(f) (10-3) Any hazardous
						defects shall be corrected before the equipment is used.
(g) (10-9) Men shall not ride loaded
						buckets.
(h) (10-10) Where
						possible, aerial tramways shall not be started until the operator has
						ascertained that everyone is in the clear.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 20 - Transportation of Workers › General › Section 7037 - Transportation of Workers

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						When transporting employees by vehicles, the vehicles and procedures shall be
						in compliance with the General Industry Safety Orders of the
						Division.
(b) (9-33) Men shall not
						ride in dippers, shovel buckets, forks, clamshells, or in the beds of dump
						trucks for the purpose of transportation.
(c) (9-40) Men shall not ride on top of
						loaded haulage equipment.
(d)
						(9-41) Only authorized persons shall be permitted to ride on trains or
						locomotives and they shall ride in a safe position.
(e) (9-43) Men shall not ride outside the
						cabs or beds of mobile equipment.
(f) (9-67) Facilities used to transport men
						to and from work areas shall not be overcrowded.
(g) (9-85) Supplies, materials, and tools
						other than small hand tools shall not be transported with men in man trip
						vehicles unless such vehicles are specifically designed to make such
						transportation safe.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 20 - Transportation of Workers › Underground › Section 7038 - Transportation of Employees

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Except as provided in subsection (b) of
						this section, transportation of employees over mine railroads when going on or
						coming off shift shall be in man cars especially designed for such
						transportation.
(b) Where not more
						than five men are going on or coming off shift, they may be transported in mine
						cars.
(c) All man cars and mine
						cars carrying men going on or coming off shift shall be secured with safety
						chains to prevent such cars from running away should a coupling fail.
(d) Every mine car used for transportation of
						employees shall be provided with a positive locking device that will prevent
						accidental dumping of the car.
(e)
						A train transporting workers shall be pulled, not pushed, by the locomotive,
						and shall be operated at a safe speed.
(f) (9-67) Every man car or mine car, truck,
						or other vehicle used for transportation of employees shall be provided with
						safe and secure seats, and shall be protected on sides and ends to prevent
						falls from the vehicle.
Means shall be provided whereby employees can safely
						  mount or dismount the vehicle.
(g) (9-113) Vehicles transporting workers
						shall be operated cautiously and with due regard for the safety of employees.
						Such vehicles shall be operated at a safe speed.
(h) (9-114) Employees shall not be required
						or permitted to get on or off a moving vehicle.
(i) (9-99) Supplies, materials, and tools
						other than small hand tools shall not be transported with men in man trip cars
						or vehicles. Man trips shall be operated independently of ore and supply
						trips.
(j) (9-116) During shift
						changes, the movement of rock or material trains shall be limited to areas
						where such trains could not present a hazard to men coming on or going off
						shift.
(k) (9-117) Men shall not
						ride between cars or on top of loaded cars.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › Section 7040 - (11-3) (11-5) (11-6). Ladders

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Ladders used in surface operations shall be constructed,
						installed, and maintained in conformance with provisions of the General
						Industry Safety Orders.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › UNDERGROUND › Section 7041 - (11-3) (11-5). Construction of Wooden Ladders for Underground Use

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Wooden ladders
						shall be substantially constructed of sound lumber of strength equivalent to
						No. 1 Select Douglas Fir of the following dimensions:
(1) Side rails shall be not less than 2
						inches by 4 inches nominal, in cross section.
(2) Ladder steps shall be clear,
						straight-grained, and absolutely free of knots.
(3) Ladder steps shall be not less than 1
						inch by 4 inches nominal, in cross section.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › UNDERGROUND › Section 7042 - (11-3). Construction of Metal Ladders for Underground Use

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Metal ladders
						shall be substantially constructed. Side rails shall have at least equal
						strength as that of No. 1 Select Douglas Fir, 2 inches by 4 inches in cross
						section.
(b) Steps shall be secured
						to the side rails in such manner as to prevent them from coming
						loose.
(c) Round ladder steps shall
						be at least 1-inch outside diameter. The steps of metal ladders shall be smooth
						and free of ribs or projections.
(d) The distance between the tops of the
						steps of a ladder shall not exceed 14 inches and shall not vary more than 1
						inch in any one ladderway.
(e)
						Ladders shall be constructed so there is at least 10 inches clear space between
						the side rails.
(f) Metal ladders
						and ladder fasteners for use where exposed to corrosive waters or corrosive
						mine atmosphere shall be constructed of materials that are resistant to
						corrosion of the type to which they are exposed.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › UNDERGROUND › Section 7043 - (11-3). Construction of Flexible Ladders for Underground Use

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Flexible
						ladders shall have sides made of chain, connecting links, wire rope, or fiber
						rope.
(b) Each side of a flexible
						ladder shall have a tensile strength not less than that of 1-inch best Manila
						rope. If chair is used, the links shall be made of stock not less than
						three-eighths inch.
(c) There shall
						be at least 12 inches of clear space between the sides of a flexible
						ladder.
(d) Each step of a flexible
						ladder shall be made of stiff material and shall be strong enough to safely
						support a weight of 300 pounds at the center of the step. The distance between
						the tops of the steps of a ladder shall not exceed 14 inches.
(e) The steps shall be fastened to the sides
						in such manner that they will be held securely in place without damage to the
						sides of the ladder.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › General › Section 7046 - Travelways

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Where
						practicable, walkways shall be separate and apart from railway or vehicle
						roads.
(b) Walkways shall be kept
						free from stumbling hazards.
(c)
						Handrail, cable guard, fence, or other suitable barrier shall be installed
						along permanent walkways where there is danger of falling into
						excavations.
(d) (11-1) (11-16)
						Safe means of access shall be provided and maintained to all working places as
						required by the General Industry Safety Orders.
(e) (11-12) Openings above, below, or near
						travelways through which men or materials may fall shall be protected by
						railings, barriers, or covers. Where it is impractical to install such
						protective devices, adequate warning signals shall be installed.
(f) (11-2) (11-16) (11-36) Unless otherwise
						stated in the Mine Safety Orders, crossovers, walkways, ramps, stairways,
						railings, and toeboards shall be constructed, installed, and maintained in
						conformance with the General Industry Safety Orders.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › General › Section 7048 - (11-27). Scaffolds

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Scaffolds and working platforms shall be
						of substantial construction and provided with guardrails and maintained in good
						condition. Floor boards shall be laid properly and the scaffolds and working
						platform shall not be overloaded. Working platforms shall be provided with
						toeboards when necessary. Scaffolds shall be in conformance with the
						Construction Safety Orders.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › UNDERGROUND › Section 7050 - (9-107). Stopes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
						Floors shall be provided in every stope where needed for the safety of
						employees.
(b) In stopes timbered
						with square sets those portions of the working floors that are in use shall be
						closely and securely lagged.
(c) An
						adequate work floor shall be provided in narrow stopes that are too steep to
						permit safe footing.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › UNDERGROUND › Section 7051 - (11-12). Winzes, Raises, and Openings

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Winzes or other openings in the floor of
						mine workings shall be guarded so that persons will not fall into
						them.
(b) (11-12) Manways
						intersecting overhead workings through which material is dropped shall be
						closed to the passage of persons whenever material is dropped through such
						working.
(c) (11-1) Every raise
						while under construction shall be provided with a safe means of access from the
						bottom to the face at all times when employees are working in the raise.
Such means of access shall be as follows:
(1) For slopes up to 20 degrees, a walkway
						may be used where there is safe footing.
If footing is slipping or otherwise insecure, a rope,
						  chain, or other aid to climbing shall be provided.
(2) For slopes from 20 degrees to 45 degrees,
						chains, or ladders shall be provided.
(3) For slopes greater than 45 degrees,
						ladders shall be provided.
(4)
						Other means that will afford at least equal safety.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 21 - Mine Ladders and Travelways › UNDERGROUND › Section 7052 - (9-103). Chutes and Ore Passes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Chutes and ore passes shall be
						guarded.
(b) Employees shall be
						protected against falling into the chute by one or more of the following
						methods:
(1) A grizzly with openings between
						the bars of not more than 10 inches in the least dimension.
(2) Use of an approved safety belt and life
						line tied sufficiently short to prevent the wearer from going through the
						grizzly opening where such opening is greater than 10 inches in the least
						dimension. In no case shall grizzly bars be more than 30 inches
						apart.
(3) By other equally safe
						means acceptable to the Division.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7055 - Fire Prevention and Control

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) No person shall smoke or use an open
						flame:
(1) (4-1a) Where flammable solvents,
						liquids, fluids, or other flammable materials are stored, transported, handled,
						or used; or
(2) (4-1b) Where oil or
						grease is stored, transported, handled, or used, if smoking or the use of an
						open flame may cause a fire; or
(3)
						(4-1c) Within an unsafe distance of any area where smoking or the use of an
						open flame may cause a fire or an explosion.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7056 - Surface Structures over or Near Mines

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The provisions of T8-7056 of Part 6, T-24, are
						  incorporated herein as a part of these regulations and reads as follows:
UNDERGROUND
T8-7056. Surface Structures Over or Near Mine
						  Openings.
In addition to the provisions of Part 2, the following
						  shall apply to all mine construction.
(a) Change houses, timber framing sheds,
						storage sheds, or piles of combustible materials shall not be placed or
						permitted to remain within 100 feet of any mine opening, shaft house, hoist
						house, explosives magazine, or ventilating fan.
(b) Every building and structure within 100
						feet of any mine opening shall be constructed of noncombustible materials or
						shall be of not less than one-hour fire-resistive construction,except that
						wooden headframes and headframes with built-in wooden bins for dumping the
						shaft conveyance may be erected and used over mine shafts.
(c) A fire door shall be installed at the
						collar of every shaft over which a wooden headframe has been erected.
(d) A fire door shall be installed at every
						mine opening connected to a surface building or snowshed. Such fire door shall
						be installed as near to the surface as is practical, and shall be so arranged
						that it will close automatically in case of fire.
(e) At all times when men are working in a
						mine and combustible structures are within 100 feet of a mine opening, a man
						shall be on duty outside the mine and near the mine opening.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7057 - Mine Exit Protection

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Each mine required to maintain an escape
						exit shall protect underground employees against the hazard of all exits
						becoming impassable because of fire or fire gases by one or more of the
						following methods:
(1) By fireproofing the
						main shaft and shaft stations where there is a fire hazard sufficient to
						interrupt use of the main shaft hoist for rescue purposes.
(2) By maintaining a connecting passageway
						between working levels of such mine and an adjoining mine which has a safe
						access to the surface.
(3) By
						mechanical control of the air currents that will permit good air to be supplied
						through any shaft or escapeway by reversal of air currents.
(4) By installation of fire doors and
						ventilation doors satisfactory to the Division.
(5) If none of the foregoing methods can be
						made applicable to a particular mine, such mine may be required by the Division
						to install a hoist in an escape exit and keep it in a usable
						condition.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7058 - Fire Doors and Fire Bulkheads

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) If the Division considers that a serious
						fire hazard exists at a mine, fire doors or fire bulkheads shall be installed
						so as to prevent smoke and gases from endangering the men. Such doors may also
						be used for mine ventilation.
(b)
						Fire doors shall be constructed of steel and shall be set in steel or concrete
						walls so constructed that fire on one side cannot pass to the other side when
						the door is closed.
(c) Fire doors
						shall fit closely so they can be readily made gas tight when closed. They shall
						be provided with suitable latches or devices so they can be readily opened from
						either side without the use of tools, but cannot be opened by a reversal of the
						air current.
(d) Fire doors shall
						be tested each month and maintained in good working order.
(e) Where practical, fire bulkheads shall be
						installed in solid rock away from timbers and stoped-out areas. Fire bulkheads
						shall be of noncombustible construction if located within 100 feet of mine
						timbers or other combustible materials.
(f) Fire bulkheads shall be installed in such
						manner that fire, smoke, and gases on one side of the bulkhead cannot pass to
						the other side.
NOTE: In order to provide for sampling air or gas
						  behind the bulkhead, in case fire or other emergency makes such sampling
						  desirable, it is recommended that a metal pipe be installed through the
						  bulkhead. Such pipe should be not less than 1-inch inside diameter and provided
						  with a cap or gate-type valve on the outer end.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7060 - Fire Prevention -Underground

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (4-9) All electrical equipment which
						might communicate fire to adjacent flammable material shall be of a type which
						will confine the heat and flames within the equipment, or it shall be so
						located and installed that flammable material will not be exposed.
(b) If the Division considers that a serious
						fire hazard exists at mine openings or underground stations, it may require
						that underground employees be protected by one or more of the following
						methods:
(1) By making fire resistant the mine
						openings for a distance of 50 feet from the surface.
(2) By making fire resistant underground
						stations and adjoining portions of the shaft.
(3) By making fire resistant underground
						buildings or enclosures used to house machinery, or as lunchrooms or places of
						assembly for men.
It is recommended that the main shafts and haulageways
						  be provided with fireproof sections at regular
						  intervals.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7061 - Heating Devices Underground

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) (4-58) Fire for space heating shall not
						be permitted underground. Torches, acetylene lamps, and candles shall not be
						left unattended in any mine in the vicinity of wood or other flammable
						material.
(b) Electric heaters
						underground shall be of a type in which the heating elements do not become hot
						enough to ignite combustible materials.
(c) Acetylene taken underground shall be in
						cylinders and shall be limited to necessary quantities. It shall be stored in a
						well-ventilated, fire-resistant location.
Empty cylinders shall be removed from the mine without
						  unnecessary delay.
(d)
						(4-65) The following precautions shall be taken when welding equipment, blow
						torches, or other heat-producing devices or materials are used in a mine:
(1) All flammable materials within a radius
						of 10 feet shall be made wet with water before hot work is begun and again
						after hot work is finished.
(2) Any
						flammable materials at a greater distance than 10 feet upon which sparks or hot
						metal can fall shall be made wet with water before hot work is begun and again
						after hot work is finished.
(3)
						Before hot work is commenced in a shaft, a noncombustible barrier shall be
						installed to prevent sparks from falling below.
(4) A fire extinguisher or water hose ready
						for use shall be at the operation until the hot work is finished.
(5) The area where hot work was done shall be
						inspected for smoldering fires between one and two hours after hot work is
						finished.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7062 - Mine Housekeeping

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Combustible rubbish shall be promptly
						removed from the mine.
(b) All oily
						rags or waste shall be deposited in covered metal receptacles. The contents
						shall be sent to the surface every week, and also when the receptacle is
						full.
(c) Old timber, waste timber,
						scraps, and chips shall not be permitted to accumulate underground, but shall
						be removed from the mine as soon as practical.
EXCEPTION: Old timber, waste timber, wood scraps, and
						  chips in stopes may be left in the mine if buried in filling
						  material.
(d) Active
						manways, shafts, and winzes shall be kept clear of loose rocks and other
						obstructions.
California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 17 - Mine Safety Orders › Article 22 - Fire Prevention and Control › General › Section 7063 - (4-22). Fire Fighting Equipment

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) One or more fire extinguishers of a type
						suitable for use underground shall be provided at all locations where
						electrical equipment is in service in the mine.
Carbon tetrachloride fire extinguishers shall not be
						  permitted in a mine because of danger to men who may breathe the
						  vapor.
(b) Where a fire
						hazard exists near an underground magazine or an explosives distributing
						station, fire extinguishers or water hydrants and hose shall be provided for
						use in fighting fire outside the magazine. They shall not be used on burning
						explosives nor in fighting a fire in a magazine.
(c) Fire extinguishers of a type suitable for
						use on oil fires shall be at every storage place for oil or grease in the
						mine.
(d) Every mine with a fire
						hazard as outlined below shall be protected against fire in accordance with the
						provisions of subsection (e) of this section:
(1) Mines in which the main working shaft is
						timbered and such timber is not protected against fire by being made fire
						resistant or by being constantly wet.
(2) Mines in which stations are in a
						combustible condition.
(3) Mines
						with workings considered by the Division to constitute a local fire hazard of
						more than normal proportions.