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 1 - Definitions › Section 6958 - Definitions

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The following
					 definitions shall apply in the application of these Orders.
Approved. Approved by the Division of Occupational Safety
						and Health.
Berm. A pile or mount of material capable of restraining
						a vehicle.
Bulkhead. A tight partition or stopping in a mine.
Combustible. Capable of being ignited and consumed by
						fire. Wherever combustible substances or materials are mentioned in these
						Orders, flammable and extremely flammable substances and materials are
						included.
Competent Person. A person at least 21 years of age and
						having abilities and experience that fully qualify him for the duties he is
						assigned.
Division. The Division of Industrial Safety.
Extremely Flammable. Having a flash point of 20 degrees
						Fahrenheit or less, when tested by the Tagliabue open-cup method.
Face or Bank. The sides from the bottom or floor of a pit
						to the surface surrounding the pit. Where one or more benches or levels are
						used in a pit, each bench or level has a separate face.
Face--Underground. That part of any audit, tunnel, stope,
						or raise where excavating is progressing, or was last done.
Fire Resistant. Protected against fire by a covering at
						least one-half inch thick, of noncombustible materials, such as gunite, cement
						plaster, gypsum wallboard, asbestos, or other suitable material applied in a
						manner acceptable to the Division.
Fireproof. Fire resistant.
Fixed. The machine or device is fastened in place and is
						not moved about while being operated.
Flammable. Capable of being easily ignited or burning
						rapidly.
Flash Point. The particular temperature at which a
						material gives off flammable vapor in sufficient quantity to burn
						instantaneously at the approach of a flame or spark.
High Potential. More than 650 volts.
Highway. Any street, alley, or road, publicly or
						privately maintained and open to use for the public for purposes of vehicular
						travel.
Hoist--First Class. A hoist which is secured to a
						permanent, substantial foundation, and which is not intended to be moved from
						one location to another. It is used to lower and hoist men and
						materials.
Hoist--Material. A hoist for lifting, lowering, or
						pulling materials. It includes tugger-type and scraper hoists.
Jumbo. A mobile platform or series of platforms, usually
						on wheels, to provide work areas for men and the machines, tools, or materials
						being used.
Magazine. A building, other than the explosives
						manufacturing building, or other structures especially designed for the storage
						of explosives, or any cave or other structure adapted to the storage of
						explosives.
Man-Deck. An enclosed platform on a shaft conveyance for
						the transportation of employees.
Mineral. Any substance, organic or inorganic, found in
						nature as part of the earth and having sufficient value away from its natural
						location to be mined, quarried, or dug for its own sake or its own specific
						use.
Mine. An area of land from which minerals are extracted
						in non-liquid form.
Movable. The machine or device can be, and usually is,
						moved about in course of normal operations, but is too heavy to be carried.
						This includes self-propelled machines.
Permissible. Applied to any device, equipment, or
						appliance means that such device, equipment, or appliance is classed as
						permissible by the Mine Safety and Health Administration.
Portable. The machine or device can be, and usually is,
						carried about in the course of normal operation.
Public Conveyance. Any railroad car, street car, ferry,
						cab, bus, airplane, or other vehicle which is carrying passengers for
						hire.
Return Air Course. The air course through which the
						vitiated air of a mine is returned or conducted to the surface.
Return Air. The mine air or ventilation current that has
						passed through the active mine workings and is returning to the surface.
Railroad. Any railway or tramway which carries passengers
						for hire, on the particular line or branch in the vicinity where explosives are
						stored, or where explosives-manufacturing buildings are situated.
Secured or Securely Fastened. The device or object
						referred to is so anchored that it will not become accidentally detached,
						displaced, or removed under normal use and foreseen circumstances.
Shaft. A passageway to underground workings through which
						mining operations are conducted. A shaft is either vertical or inclined at an
						angle greater than 20 degrees from the horizontal.
A winze or raise in which men are hoisted or lowered
						shall be considered a shaft for the purpose of these Orders.
Shall and Should. Shall means mandatory and should means
						recommended.
Stope. An underground excavation resulting from actual
						mining of ore or waste, as distinguished from other excavations, such as
						drifts, crosscuts, raises, or winzes.
Substantially Constructed or Substantial Construction.
						Construction of such strength, material, and workmanship that the object will
						withstand all reasonable shock, wear, usage, and deterioration it was designed
						to withstand.
Timber. Wood, steel, concrete, or other materials used
						for bracing or supporting the ground.
Trackless Vehicle. A type of vehicle that does not run on
						railroad tracks.
Tramway. An aerial passenger tramway used to transport
						passengers by the use of overhead steel cables or by ropes supported in one or
						more spans.
Underground. Mines, tunnels or similar confined
						subterranean excavations.
1.
						Amendment of section and new NOTE filed 7-11-2003; operative 8-10-2003
						(Register 2003, No. 28).
Note: Authority cited: Sections
						  142.3 and
						  7997, Labor
						  Code. Reference: Sections
						  142.3 and
						  7997, Labor
						  Code.