Longwall definition

Longwall means a method of underground mining where a mechanical shearer is pulled back and forth across a coal face and loosened coal falls onto a conveyor for removal from the mine.
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Longwall means American Longwall Roof Supports Inc., a New York corporation.
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Examples of Longwall in a sentence

  • In: Proceedings of Longwall USA International Exhibition & Conference, pp.

  • Longwall mining refers to extracting coal from long rectangular blocks of coal seams.

  • The dispute concerned a “Contract for the Provision of Longwall Mining Systems and Supporting Equipment for the Abu Tartur Phosphate Mining Project”, executed in April 1998 between Joy Mining and the General Organization for Industrial Projects of the Arab Republic of Egypt.

  • The first concerned the partial replacement of equipment already existing at the Project site supplied by other companies (“Replacement Longwall”), while the second stage comprised a new Longwall System (“First New Longwall”).

  • The dispute in this case arises out of a “Contract for the Provision of Longwall Mining Systems and Supporting Equipment for the Abu Tartur Phosphate Mining Project” (the “Contract”), executed on April 26, 1998 between Joy Mining Machinery Limited and the General Organization for Industrial and Mining Projects of the Arab Republic of Egypt (“IMC”).

  • One was concerned with the replacement of equipment, and the second entailed the engineering, design and supply of a completely new Longwall system.

  • The Longwall Mining System consists of equipment allowing for the use of a specialized technique for this kind of mining activity.

  • Mark2; 1University of Kentucky, Lexington, KY and2Mine Safety and Health Administration, Pittsburgh, PAThirty years ago, the Analysis of Longwall Pillar Stability (ALPS) inaugurated a new era in coal pillar design.

  • Consolidated accounts are not prepared while the College’s subsidiary company, Longwall Limited, remains dormant.

  • Longwall mining production is often limited below the capacity of the equipment because of the large amount of methane that is quickly released at the face.

Related to Longwall

  • Highwall means a vertical or nearly vertical face in solid rock or a slope of consolidated or unconsolidated material that exceeds 3:1.

  • Sailboat means the same as that term is defined in Section 73-18-2.

  • NBOME means the National Board of Osteopathic Medical Examiners.

  • foreshore , in relation to a port, means the area between the high-water mark and the low-water mark relating to that port;

  • LHSIA means the Local Health System Integration Act, 2006, and the regulations made under it, as it and they may be amended from time to time;

  • Panchayat means an institution (by whatever name called) of self-government constituted under article 243B, for the rural areas;

  • Hood means a respiratory inlet covering that completely covers the head and neck and may also cover portions of the shoulders and torso.

  • Parade means any procession or body of pedestrians, except members of the Armed Forces, numbering more than 30, standing, marching or walking on any street or sidewalk, or any group of vehicles numbering ten or more, except funeral processions, standing or moving on any street;

  • Hall means a unit of residence or of corporate life for the students of the University, or of a College or an Institution, maintained by the University;

  • Canal means a man-made trench, the bottom of which is normally covered by water, with the upper edges of its two sides normally above water. [Section 403.803(2), F.S.]

  • Shorelands or "shoreland areas" means those lands extending landward for two hundred feet in all directions as measured on a horizontal plane from the ordinary high water mark; floodways and contiguous floodplain areas landward two hundred feet from such floodways; and all wetlands and river deltas associated with the streams, lakes, and tidal waters which are subject to the provisions of this chapter; the same to be designated as to location by the department of ecology.

  • Crosswalk means that part of a roadway at an intersection included within the connections of the

  • Youth center means any public or private facility that is primarily used to host recreational or social activities for minors, including, but not limited to, private youth membership organizations or clubs, social service teenage club facilities, video arcades, or similar amusement park facilities.

  • Façade means the principal front or fronts of a building.

  • Highway means the entire width between the boundary lines of every way or place open to the use

  • Motorway means a road specially designed and built for motor traffic, which does not serve properties bordering on it, and which:

  • HUB means Historically Underutilized Business, as defined by Chapter 2161 of the Texas Government Code.

  • Growler means any refillable, resealable container complying with federal law.

  • Coasting has the meaning given by regulations under subsection (3) of section 60B of the Education and Inspections Act 2006 in relation to a school to which that section applies.

  • Houseboat means a powered vessel containing living accommodation, usually flat- bottomed and used in navigation.

  • LSD means lysergic acid diethylamide.

  • Shoreline means the upper reaches of the wash of the waves, other than storm and seismic waves, at high tide during the season of the year in which the highest wash of the waves occurs, usually evidenced by the edge of vegetation growth, or the upper limit of debris left by the wash of the waves.

  • Reception center means a business that:

  • Seaplane means an aeroplane capable normally of taking off from and alighting solely on water;

  • Waterway means any body of water.

  • Intersection means (i) the area embraced within the prolongation or connection of the lateral