• MANAGEMENT OF REACTIVE GROUND AT THE …

    MANAGEMENT OF REACTIVE GROUND AT THE GOEDGEVONDEN OPENCAST COAL MINE IN THE WITBANK COALFIELDS OF SOUTH AFRICA Gabriël LeRoux Botha Student Number: 433519 A research report submitted to the Faculty of Engineering and the Build Environment, University of the Witwatersrand, Johannesburg, in partial fulfilment of the

    Get price
  • Operations

    Andru Mining provides a comprehensive solution to our client''s specific opencast mining requirements, servicing a range of different commodity groups including the Coal, Chrome, Platinum, Manganese and Gold mining industries.

    Get price
  • JCI MINING – Opencast Mining Contractors est. 2007

    JCI Mining was established in 2007 and was initially involved in the plant hire of earthmoving equipment. The company progressed to doing small sub-contract load and haul projects which eventually culminated in to doing full mining contracts for clients, offering the full range of Opencast Mining services.

    Get price
  • ab0cd Sub-sectoral Environmental and Social Guidelines ...

    This guideline covers the open cast mining of ore bearing rock including coal. It excludes quarrying and open cast extraction of construction materials, stone and rock. (The processing of ore after extraction is covered in the Mineral Processing guideline as this is common to both open cast and underground mining operations.) Open cast mining ...

    Get price
  • 8 Methods For Protecting Coal Miners

    concentrations during overburden drilling in surface coal mining operations. 8.3.2 Ventilation Underground coal mines are required to be mechanically ventilated [30 CFR 75.300-75.3301. The purpose of mechanical ventilation is to provide fresh air to the underground miners and to carry off toxic and explosive gases and dusts.

    Get price
  • Surface Mining Methods and Equipment

    UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2. Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs.

    Get price
  • Basics of an open pit mine

    Open pit mines can be used in coal mining, and they are used extensively in "hard rock" mining for ores such as metal ores, copper, gold, iron, aluminum, and many minerals. In a open pit coal mine, the pit bottom would be the bottom mined coal seam elevation, since it is usually feasible to extract multiple seams when surface mining coal.

    Get price
  • (PDF) A review on existing opencast coal mining methods ...

    Opencast coal mining on a large scale first commenced in Australia in the 1960''s.Today, draglines and truck and shovel operations, or a mixture of the two, are the predominant types of equipment used in open cut mines, as seen in Fig. 2. ... production rate required, equipment availability and its compatibility with other equipment to be ...

    Get price
  • Equipment selection for high selective T excavation ...

    Equipment selection for high selective excavation surface coal mining Seyitömer Lignite Enterprise of the Turkish National Coal Board (SLE) is one of the largest coal producers in Turkey and produces 7.5 million tonnes of lignite coal per year from an opencast mine close to the city of Kütahya (Figure 1).The

    Get price
  • Equipment Selection for Surface Mining: A Review

    however, for large-scale open pit mining in particular, the truck and loader" material movement practice is the preferred method of materials handling (Czaplicki, 1992; Ta et al., 2005). Throughout this paper, we consider a loader" to be any type of high productivity excavating equipment, which may include a mining loader, shovel or excavator.

    Get price
  • List of Equipment Used in Opencast Coal Mining | Mining

    ADVERTISEMENTS: List of equipment used in opencast coal mining are: 1. Bulldozer 2. Craper 3. Ripper 4. Tractor Shovel 5. Dipper Shovel 6. Stripper Shovel 7. Pull Shovel or Hoe 8. Dumpers or Tippers 9. Drag Line 10. Road Grader 11. Rock Drills. Opencast mining is the oldest method of excavating minerals but the mining […]

    Get price
  • Opencast coalminingatKrielColliery

    Production Required In the opencast operation, full seam extraction was planned, which would mean adecrease inthe calorific value ofthe coal delivered to the power station (see Fig. 2).Mter discussions with Escom, it was agreed that three generating sets ofthe station would burn coalfrom the underground mine, while the last three setswould ...

    Get price
  • Dynamic simulation of an opencast coal mine: a case study ...

     · This resulted in the requirement for additional equipment capacity which could have attributed to low mining feed rates. The average daily production that the mine produced for the validation period was poor at 8101 t, compared to the 19684 t per day the mine was designed to produce.

    Get price
  • THE OPTIMUM PRODUCTION EQUIPMENT SCALE FOR OPEN PIT COAL …

    The mining technique includes dragline waste operations with rehandle and coal operations with a shovel order to investigate the effect of the excavation equipment scale on the economic performance of the mine, 4 scenarios of production scheduling optimization are formulated as follows: The strip width of all scenarios corresponds to the ...

    Get price
  • Statutory clearances required to start a greenfield ...

     · Statutory clearances required to start a greenfield captive opencast coal mine. 1. ^d dhdKZz Z E^ ZYh/Z KZ ^d Zd/E'' Wd/s K D/E sE d : 2. D '' /. 3. ^ D ^ E W ^ W DDZ W '' W DDZ D W D D W D D DDZ DZ D W t t D Z Z D t W W ^ Z W sd Z ^ ^ t Z W W ^ / '' '' D h Z D '' D DDZ DZ s d sd Z E, E, t Z E W / h D W h s / D W W D W.

    Get price
  • Regulations | Mine Safety and Health Administration (MSHA)

    MSHA is responsible for enforcing the Federal Mine Safety and Health Act of 1977 (Mine Act) as amended by the MINER Act of 2006. The Mine Act gives the Secretary of Labor authority to develop, promulgate, and revise health or safety standards for the protection of …

    Get price
  • Opencast Mining

    3.6.4 Losses During Mining. Mining of coal is undertaken broadly using two methods: surface and underground. In the case of underground mining, losses are high compared with those of opencast mining; the main causes of these losses are enumerated in the following subsections. 3.6.4.1. Opencast Mining

    Get price
  • Opencast Mining System Requirements | Can I Run Opencast Minin…

    Coal mining - Wikipedia

    Get price
  • Opencast Mining (Quarrying): Methods, Advantages ...

    Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

    Get price
  • Mine Planning | Coal Mining | Mining

    based on technology & equipment types, layout & disposition of coal seams, geo-mining conditions and constraints. VARIOUS TERMINOLOGIES USED WITH OPENCAST MINES ARE: STRIP MINING OPENPIT MINING CONTOUR MINING/MOUNTAIN TOP REMOVAL STRIKE MINING VRS DIP-RISE MINING TERRACE MINING HORIZONTAL SLICING INCLINED SLICING BACKFILL MINING OPENCAST ...

    Get price
  • The prevention and control of fire and explosion in mines

    • The Coal Mines (Precautions Against Inflammable Dust) Regulations 1956 set out requirements for the maintenance of incombustible matter in mine roadway dust including sampling, sample analysis, type of analysis and keeping records of analyses. The regulations also contain requirements relating to ''barriers to the extension of flame''

    Get price
  • TMC at a glance | Technoblast

    Email : [email protected] . Mr. Aditya Nath Jha. Over 16 years of experience with robust background in Underground and Opencast Coal Mining with advanced expertise in blasting, mine planning, scheduling and geotechnical procedures. Out of the total experience, 13 years worked in statutory capacity.

    Get price
  • A system-wide approach to minimize the operational cost of ...

     · The production cycle of open-cast coal mines generally includes drilling, blasting, loading, hauling and coal preparation activities. Individual optimization of these activities does not mean that the whole system is optimized. This paper proposes a cost model considering all activities in mining cycle and system-wide approach to minimize the total mining cost of bench production.

    Get price
  • DESIGN OF ILLUMINATION SYSTEM FOR AN OPENCAST …

    AN OPENCAST COAL MINING PROJECT-A CASE STUDY" submitted by OLIVE CHOWDHURY (212MN1423) in partial fulfillment of the requirements for the award of Master of Technology degree in Mining Engineering at National Institute of Technology, Rourkela (Deemed University) and is an authentic study analysis work carried out by ...

    Get price
  • The coal industry and safety

    South African coal mining industry sponsors advanced drilling equipment. Following the disaster at Coalbrook Colliery in 1960, where rescuers were unable to reach working areas, the coal mining members of the Minerals Council South Africa (then the Chamber of Mines) acquired a Wirth L10 drill and ancillary equipment worth R600,000 to assist with rescue operations at South African underground ...

    Get price
  • WASTE AND OVER BURDEN MANAGEMENT IN MEGA …

    With ensured demand of coal for the near future and requirement to meet the same, there is tremendous pressure on the existing and proposed system of mining and mining projects to meet the need. As evident from the data that if the enhanced demand is to be met within short span of five years, the only option left to the mining engineers and mine

    Get price
  • MINING EQUIPMENT SELECTION FOR A TYPICAL OPENCAST …

    required for any particular mining operation. This project report aims to provide a foundation on which to base decisions concerning the selection of mining equipment for opencast coal mines in the Witbank Area of South Africa with the object to optimize initial capital outlay and to minimize operating costs.

    Get price
  • Open-pit mining

    Open-pit mining, also known as mega-mining, open-cast or open cut mining, is a surface mining technique of extracting rock or minerals from the earth by their removal from an open-air pit, sometimes known as a borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Open-pit mines are used when deposits of commercially useful ...

    Get price
  • Safety and health

    Safety and health in opencast mines VI The practical recommendations of this code of practice are intended for the use of all those, in both the public and private sectors, who have responsibility for safety and health in opencast mining. The code is not intended to replace national laws or regulations or accepted standards.

    Get price
  • Atlantis Mining (SA) (Pty) Ltd

    Atlantis Mining (SA) (Pty) Ltd was founded in 1997 by Jimmy and Mark Johnstone. During the early years Atlantis Mining (SA) (Pty) Ltd was primarily involved in the Hire of Equipment to the Mining Industry and in Opencast Mining and as it grew, progressed to larger scale OPENCAST MINING and to BULK EARTH MOVING. The Mining operations undertaken include topsoil removal, drilling and …

    Get price
  • open cast mining equipment

    fields of mining and handling of coal, ore and other minerals, as well as removal, transport and dumping of overburden. Our machines and systems have proved to be reliable in mining hard minerals, even under extreme operating conditions. OPEN cAST MiNiNg EquiPMENT The extensive know-how of our highly qualified engi-

    Get price
  • Pasture establishment and fertiliser requirements on ...

    to rehabilitate land after opencast mining in the Waikato coal fields area of New Zealand were examined and compared with an alternative method involving different pasture mixtures, seeding rates, and lime and fertiliser requirements. Pasture establishment and production, botanical com-position changes, and plant and soil nutrient status

    Get price
  • Safety and health in opencast mines

     · Download: Safety and health in opencast mines. pdf - 0.5 . This code applies to any situation or operation involving occupational safety and health aspects in opencast mines, and calls for attention to be paid to them by the competent authorities with responsibility for safety and health and working conditions with regard to opencast mining.

    Get price
  • Mining operations and mobile equipment selection audit …

    Mining operations and mobile equipment selection audit – guide Page 6 of 22 2 Equipment safety requirements Equipment safety requirements Point Standard Guideline 2.1 Effective reversing alarms are fitted to mobile equipment. Intent: To ensure that pedestrians and others in vehicles are warned when mobile equipment is about to be reversed.

    Get price
  • opencast coal mining powerpoint presentations | Solution ...

     · opencast coal mining powerpoint presentations. As a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant. We also supply individual crushers and mills as well as spare parts of them.

    Get price
  • List of Equipment Used in Opencast Coal Mining Mining

    Opencast Coal Mining Equipment Requirement When coal seams are near the surface it may be economical to extract the coal using open cut also referred to as open cast open pit mountaintop removal or strip mining methods Open cast coal mining recovers a greater proportion of the coal deposit than underground methods as more of the coal seams in ...

    Get price