We set your business in motion: Automation solutions and ...

components of open-pit mining equipment often remain in good shape after 15 years, the life-span of their associated electrical components is usually exhausted by that time. Therefore in many cases, the optimal concept from the economic point of view is an electrical reconstruction which incorporates the usable mechani-cal components of the ...

Home - G & W Mining

GA Mining and Plant Hire was established in 2016 after the group realized the major shortage of service providers in the small to medium sector of the open cast mining industry. All our Directors/ Members had been employed by large mining companies for many years and their combined skills equates to more than 30 years experience in the industry.

Maarten De Vries - Lead Electrical Engineering - Nyrstar ...

equipment namely all variable speed drives, UPS's and soft starters. Contributed to the company by being responsible for the technical support for all of the 33kV overhead and cable reticulations for all five mining ponds as well as the electrical protection systems.

Open Tenders (all) - African Exploration Mining and ...

Sep 16, 2021· African Exploration Mining and Finance Corporation SOC Limited ("AEMFC") seeks to produce phase 1 of Apprentice Training Services for the organization with particular emphasis on the training of learners, preparing learners for trade certificate and assessment of competency for the duration of 3 months

(PDF) Mining Methods: Part I-Surface mining

Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones ...

Estimates of Electricity Requirements for the Recovery of ...

A photograph of the Cripple Creek & Victor Mining Company's open-pit gold operation in Cripple Creek, Colorado, showing a fairly typical heap leach gold operation .....55 Figure 8. A photograph of an electric rope shovel of the type used in large open pit mines.....81 Figure 9.

Siemens supplies electrical equipment for underground ...

Siemens is supplying thyssenkrupp with state-of-the-art electrical equipment consisting of 8DA10 (gas-insulated) and NX-AIR (air-insulated) medium-voltage switchgear, transformers, low-voltage energy distribution, Sinamics SL 150 and Sinamics S150 frequency converters as well as low-speed synchronous motors with a nominal power of 5.5 megawatts and smaller squirrel cage induction motors.

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.

John Alexander - Guide Post Secondary Modern School ...

Jan 1983 - Dec 19919 years. Northumberland, Scotland and The Midlands. Responsible for the design, specification, operation and maintenance of all electrical equipment in the group, comprising of 8no. opencast coal sites and 4no. coal processing plants, producing approximately 25% of all the U.K. opencast coal output.

Risk assessment workbook for mines

Risk Management Handbook for the Mining Industry).' WRAC is a specific qualitative risk assessment method designed to be applied when an organisation wants to understand its risks and clearly identify the priority or highest risks in its operation. 5. Standards

Opencast Courses | Powergate Training

Deliver compressed air using a mobile electrical compressor (256998) Doze material using a rubber wheel dozer (257021) Haul and dump material using a haul truck (257024) Break rock using a hydraulic rock breaker (256997) Operate a skid steer loader (116210) Lift and move material and equipment by means of …

Mining Inspection Templates: Free Download | SafetyCulture

Aug 16, 2021· This mine site safety inspection checklist can be used weekly to audit a mining site's vehicles and equipment, road conditions, emergency response plan, mechanical, electrical, on-site offices, and among others to ensure mine safety. Download Template; Electrical Safety Inspection Checklist.

Mineline

About Us. Mine Line Pvt. Ltd. is an internationally-acclaimed manufacturer of mining electrical equipment. It offers cutting-edge technology sourced from France, Germany, and Poland for mechanized mine application. Its technology extends into the oil, gas and petrochemical industries. Founded in 1977 by an eminent mining engineer Birendranath ...

ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL …

1.3.2. Terrace mining 7 1.3.3. Open pit mining 8 1.4. Underground coal mining 9 1.4.1. Room and pillar 9 1.4.2. Longwall 12 1.5. South African coal mining context 13 1.5.1. History of the South African coal mining industry 13 1.5.2. Current status of coal mining in South Africa 15 1.5.3. The role of …

Nethodical principles for planning the mining and loading ...

Feb 13, 2009· Based on the analysis of the known calculation methods for the capacity of shovels and loaders at open cast mines, the authors have shown the expediency of the development and computer realization of a procedure for planning the shovel and loader capacity at open cast mines thus increasing the open cast mine planning efficiency due to a large number of optimization parameters, high operational ...

Electrical safety in opencast mining - Bender

The big excavators used for open-cast mining have lots of different drives. They use both medium voltage engines and low voltage drives. ... Electrical safety in low voltage distribution systems up to 1 000 v a.c. and 1 500 v d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for ...

CDC - Mining - Toolbox Talks - NIOSH

This information can be used to increase workers' health and safety. This series of Toolbox Talks was created using data from two sources: interviews with SSGA mine workers about hazards and risks at their worksite, and nonfatal and fatal injury data reported to the Mine Safety and …

open cast mining equipment - TENOVA

OPEN cAST MiNiNg EquiPMENT Depending on their size, TAKRAF's newly developed compact bucket wheel excavators (BWEs) can achieve capacities of up to 75,000 m³ per day. Our line-up of models in the large and giant BWE class offers daily capacities of up to 240,000 bank m³. 9

Companies - Opencast mining machinery and equipment ...

5 Star Entertainment. Charlotte - United States. Mining Equipment & Supplies-Mfrs. Supplier of: Mining, quarrying and stoneworking plant and equipment. Rock drilling machinery and equipment. Underground mining machinery and equipment...

The Coal Mines Regulations, 2011 - DGMS

depth and used for blasting in an opencast mining operation; (17) "designer" means an individual, association of individuals, company or institution who designs a coal mining system, method of coal mining or machinery, plant, equipment, appliance or substances for use in coal mines;

Excavation | Mining industry | Siemens Global

Whether for continuous handling of equipment or materials transport, Siemens offers a complete portfolio for continuous mining excavation in open-cast mining. Siemens' offer focuses on reliability of operations while maximizing output to reduce the costs per extracted ton. Our SIMINE portfolio ranges from …

Scarce Skills | Mining Qualifications Authority (MQA)

Colliery Engineer/ Metalliferous Mining Engineer / Mine Ventilation Engineer / Open Cast Mining (including diamonds) Engineer / Surface Mining (including quarrying) Engineer ... Air Conditioning Equipment Mechanic: 642702 Electrical Mechanic: ... Mobile Mining Equipment Operator / Roof bolter Operator / Trackless Mobile Machinery (TMM) Operator ...

Opencast Mining - an overview | ScienceDirect Topics

The open pit or open cast mining method is the obvious choice for a property with a wide area of mineralization exposed or existing close to the surface and continuing to greater depths. The open pit exposes the orebody from the surface by separate removal of ore and associated waste rocks.

Selection of practical bench height in open pit mining ...

Key words: Open pit mining, bench height, multi-criteria decision making. INTRODUCTION As a definition in open pit mining, bench height is the vertical distance between crest and toe of the bench (Fourie and Dohm, 1992). Determination of optimum bench height is a major concern in most open pit mines.

Electrical equipment for Collahuasi | ABB - Mining

The operating company of the mine, the Compañia Minera Doña Ines de Collahuasi SCM (CMDIC) ears those conditions in mind when placing the latest extension order for the electrical equipment of a crusher and a belt conveyor system: the company decided on an extremely rugged solution with the reliable Industrial IT Extended Automation System ...

Open-pit mining service - Mining services | ABB

Open-pit mining service. Whatever your business is handling – from coal to copper ore, from iron ore to overburden – to be successful in the fields of open-pit mining you need a strong partner. We offer you over 50 years of experience in delivering electrical and automation equipment for open-pit mining and high-volume bulk material handling.

PLANTCOR MINING AND PLANT HIRE | HOME

Plantcor Mining and Plant Hire is a private company which was established in 2000. Originally founded as a plant hire company, Plantcor supplied earthmoving and support equipment to the mining sector. Although incepted to be a "Plant Hire" company, Plantcor's focus soon …

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 …