Vertical ventilation hole definition

Vertical ventilation hole means any hole drilled from the surface to the coal seam used only for the safety purpose of removing gas from the underlying coal seam and the adjacent strata, thus, removing the gas that would normally be in the mine ventilation system.
Vertical ventilation hole means any hole drilled from the surface to the coal seam used only for
Vertical ventilation hole means any hole drilled from the surface to the coal seam used only for the safety purpose of removing gas from the underlying coal seam and the adjacent

Related to Vertical ventilation hole

  • Ventilation means the supply of outside air into a building through window or other openings due to wind outside and convection effects arising from temperature, or vapour pressure differences (or both) between inside and outside of the building;

  • Cheating means intentionally misrepresenting the source, nature, or other conditions of academic work so as to accrue undeserved credit, or to cooperate with someone else in such misrepresentation. Such misrepresentations may, but need not necessarily, involve the work of others. Cheating includes, but is not limited to:

  • Incineration means an engineered process involving burning or combustion of solid waste to thermally degrade waste materials at high temperatures;

  • Ballast water means water with its suspended matter taken on board a ship to control trim, list, draught, stability or stresses of the ship.

  • Plumbing means plumbing as defined in Section 1(1) of the Act.

  • Conditioning means drying, cleaning, scarifying, and other operations which could change the purity or germination of the seed and require the seed lot to be retested to determine the label information.

  • Boiler means an enclosed fossil or other fuel-fired combustion device used to produce heat and to transfer heat to recirculating water, steam, or other medium.

  • Incinerator means any enclosed device that:

  • fire hydrant means a fire plug or fixed pillar fire hydrant;

  • Plumbing system means water supply distribution and disposal piping on the premises, including appliances and equipment attached thereto, between their connection points to a public or private system.

  • HVAC means heating, ventilation and air conditioning.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.

  • Sewage means a combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with such ground, surface, and storm waters as may be present.

  • Plumbing contractor means a licensed master plumber or a person who employs a licensed master plumber full-time to directly supervise the installation of plumbing as his or her representative engaged in the business of plumbing for a fixed sum, price, fee percentage, valuable consideration, or other compensation and who is licensed as a plumbing contractor.

  • Gasohol means a blended fuel composed of gasoline and fuel grade ethanol.

  • Irrigation means application of water to land areas to supply the water needs of

  • Landscape waste means any vegetable or plant waste except garbage. The term includes trees, tree trimmings, branches, stumps, brush, weeds, leaves, grass, shrubbery, and yard trimmings.

  • Sanitary Sewer System means all facilities, includ- ing approved LOSS, used in the collection, transmission, storage, treatment, or discharge of any waterborne waste, whether domestic in origin or a combination of domestic, commercial, or industrial wastewater. LOSS are only consid- ered sanitary sewer systems if they are designed to serve urban densities. Sanitary sewer system is also commonly known as public sewer system.

  • Sanitary with respect to a building, means it is free from danger or hazard to the health of persons occupying or frequenting it or to that of the public, if such danger arises from the method or materials of its construction or from any equipment installed therein, for the purpose of lighting, heating, ventilating, or plumbing.

  • Fresh water means water, such as tap water, that has not been previously used in a process operation or, if the water has been recycled from a process operation, it has been treated and meets the effluent guidelines for chromium wastewater.

  • Plumber means a person who has passed a qualifying Trade Test in Plumbing or has been issued with a certificate of proficiency in terms of the Manpower Training Act, 1981 (Act No 56 of 1981) or such other qualification as may be required under national legislation;

  • Potable means water suitable for drinking by the public.

  • Hot water means water at a temperature of 110°F. or higher.

  • Elevator means any hoisting or lowering device to connect floors or landings, whether or not in service, and all appliances pertaining to the elevator, including any car, platform, shaft, hoistway, stairway, runway, power equipment and machinery; THIS DOES NOT INCLUDE: a. an automobile servicing hoist; b. a hoist without a platform outside a building if without mechanical power or if it is not attached to building walls; c. a hod or material hoist used in alteration, construction or demolition operations; d. an inclined conveyor used exclusively for carrying property; or e. a dumbwaiter used exclusively for carrying property and having a compartment height not exceeding four feet.

  • Stormwater runoff means water flow on the surface of the ground or in storm sewers, resulting from precipitation.