Chapter 9 – Waste Rock and Rejects

coal mines where the geology is well understood and existing information is available on similar coal and mining waste materials. These guidelines have been referenced in characterising waste rock and potential coal reject samples. A total of 279 samples were selected for geochemical testing including: waste rock samples comprising:

Read more

Highwall Hazard Awareness and Risk Assessment

COAL MINE FATALITY - On Wednesday, December 7, 2011, at approximately 7:30 a.m., a 49-year-old excavator operator, with 20 years of mining experience, was fatally injured when a highwa ll he was working near collapsed. The excavator was being used to load rock trucks. The operator's cab was positioned on the highwall side when the accident ...

Read more

Design of Haul Roads in Open Cast Mines in India—A ...

Dump materials as well as interface material, layer of crushed coal, waste rock at the base of the dragline dump are collected from the existing dragline dump of different mines. Dump and interface materials are compacted in the laboratory duly collected from 11 opencast mines of NCL as per principles of equivalent material modelling for ...

Read more

Waste Classification and Management Regulations and ...

• Wastes may be disposed of at landfills with the liner design requirements contained in the Minimum Requirements for the life-span of the operation cell, subject to: – Current working cell was operating lawfully prior to the Regulations coming into operation; – The next working cell was legally approved prior to the Regulations

Read more

MINE HAUL ROAD DESIGN AND MANAGEMENT BEST …

and South Africa (MHSC(1)). From an analysis of the principal sub-standard surface mine road design factors which were most frequently encountered in the accident reports, these studies lead to the identification of several key problem areas which should guide development of appropriate design recommendations.

Read more

HEALTH AND SAFETY ON SOUTH AFRICAN MINES

The ongoing Mine Health and Safety Project aims to support the South African mining industry to achieve its self-defined target, by engaging in research and collecting key data for this report to help to raise awareness and highlight best practice in the industry.

Read more

MSHA Handbook Series

This handbook provides guidance for conducting a safety inspection of a mine's haulage roads. It is intended to serve as an aid to personnel in both Metal and Nonmetal Mine Safety and Health, and Coal Mine Safety and Health. _____ Robert A. Elam Administrator for Coal Mine Safety and Health _____ Earnest C. Teaster, Jr.

Read more

Requirements for mine dumps & stockpiles - Mining Residue ...

Until recently, mining waste was regulated under the Mineral and Petroleum Resources Development Act 28 of 2002 (MPRDA). With effect from 24 July 2015, the establishment and reclamation of mine dumps and stockpiles of similar waste from or incidental to a mining operation, must comply with the new regulations regarding the planning and management of residue stock piles and residue …

Read more

Mine haul road maintenance management systems

The design of mine haul roads encompasses structural, functional and ... Pretoria, Pretoria, South Africa. † Department of Civil and Bio-systems Engineering, University of Pretoria, Pretoria, South Africa. ... 161 t gross vehicle mass (GVM)) rear dump trucks operating on a 7.3 km 7% incline, if road rolling resistance is reduced from 8% to 4% ...

Read more

A Contribution to Open Pit Hard Coal Mine Waste Rock ...

Coal mining is an important economic activity as it covers the energy demands, generates export revenues and creates employment opportunities. Mining can, however, impact the local environment. Different mining operations produce several types of waste materials and one of the major wastes produced by open-pit mines is waste rock, which

Read more

Rham

To date, we have supplied over 2000 units to the underground mining industry, both hard rock and coal. Rham Equipment is a Level 3 BBBEE(Pty) Limited Company, formed in 1980 to produce specialized roofbolting equipment for underground coal mining industry in South Africa.

Read more

GUIDELINES FOR THE REHABILITATION OF INED AND

In South Africa, a guideline for the rehabilitation of land disturbed by surface coal mining was first published by the Chamber of Mines in 1981. This provided excellent guidance for coal strip mine rehabilitation, but both legal requirements and rehabilitation objectives and procedures have changed considerably over the last twenty-five years.

Read more

Haul Road Design Guidelines - MiningInfo

mining costs and subsequently higher profits. Haul roads and ramps are the lifeline of the open cut mine. Road design must accommodate a number of factors and expected weather conditions, the largest vehicle on site and the speed of operations are taken into account in the design process.

Read more

Risk assessment for haul truck-related fatalities in mining

underground coal mines. The com-mission released its report in De-cember 2006 (Grayson et al., 2006). This report calls for a new paradigm for ensuring safety in U.S. underground coal mines that focuses on systematic and comprehensive risk manage-ment as the foundation from which all …

Read more

Waste Rock Dump Management and Stability Evaluation

rock dump or stockpile is used on many mining operations. This paper documents some of the procedures and approaches utilized for a basalt waste dump life-of-mine design analysis. INTRODUCTION The kingdom of Lesotho is a small mountainous country, completely landlocked by South Africa. The diamond mine discussed in this paper is situated within ...

Read more

Rock solid - Leonie's research goes global | Thiess News

Leonie's findings are part of a global publication Guidelines for Mine Waste Dump and Stockpile Design and her research has captured the attention of the global geotechnical community, particularly in Canada and the northern states of America. Leonie has spent the past six months in this northern hemisphere region as a Technical Project ...

Read more

Mining Environmental Management CODES OF PRACTICE …

Mining generates a disproportionally high levels of waste compared with other industries. Because the concentration of valuable material is so small (especially in metal and diamond mining), most of ore rock extracted is turned into waste that must be managed and disposed of.

Read more

RISK BASED EVALUATION OF MINE WASTE DUMPS

2.0 MINE DUMP PERFORMANCE AND DESIGN A regional study of coal mine dumps (Reference 2) compiled and assessed data on dump performance and the factors affecting their stability. The study was carried out with the support and cooperation of each of the major coal mines in B.C. The eight mines involved in the study operated mine waste rock dumps ...

Read more

High Waste Rock Dumps — Challenges and Developments

Figure 1 British Columbia coal mine waste dump runout statistics (Dawson et al., 1998) Figure 2 Failure of a 515 m high WRD in a copper mine in Chile (Valenzuela, 2004) Waste rock flow slides could be triggered by static liquefaction. Liquefaction can be initiated either by static or dynamic loads.

Read more

New Mandatory Code of Practice Guidelines - Mine Health ...

The Department of Mineral Resources and Energy ("DMRE") recently gazetted three Mandatory Code of Practice Guidelines in terms of the Mine Health and Safety Act, No. 29 of 1996 ("MHSA").. The Guideline for the Compilation of a Mandatory Code of Practice for the Management of Working in Confined Spaces (GNR 29 of 2020), the Guideline for the Compilation of a Mandatory Code of …

Read more

INVESTIGATION AND DESIGN - British Columbia

Coal mines and m1n1ng - waste disposal - British Columbia. 2. coal mines and mining - waste disposal ... the dump foundation, and mine rock and overburden materials used to construct the dump, and their application in the design process are described in Section ... Interim guidelines for minimum design factor of safety are also given ...

Read more

Paper: Geotechnical risk management for open pit mine ...

Hawley, PM & Cunning, J 2017, Guidelines for Mine Waste Dump and Stockpile Design. CSIRO Publishing, Collingwood. Hoek, E 1974, 'Progressive Caving Induced by Mining an Inclined Orebody', Transactions of the Institution of Mining and Metallurgy, vol. 83, pp. A133–139.

Read more

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 life and prevention of injuries in the nation's mines.

Read more

Crushing Plant Design and Layout Considerations

stock and provide spare parts close to the mining operation. Good geotechnical information is essential to crushing plant siting and design. Installing a primary crushing plant on solid rock reduces the cost of concrete and structural steel. Life of Mine/Expansion Plans The life of the mine is a key element in the design of any crushing plant.

Read more

Guideline for stockpile management

The guiding principles and guidelines are used by the EPA when: • assessing whether development proposals referred to the EPA, under section 57, would meet the requirements of the EP Act, including seeking to further the Objects of the Act (section 10) such as to promote the circulation of materials

Read more

STANDARD GUIDANCE (COP 37) Tailings and Waste Rock

Waste rock is also a mine residue that typically consists of overburden and material displaced to access the ore body. Waste rock may even contain very low grades of ore but at levels which cannot be processed profitably. Waste rock management basically involves its removal and storage, which may be temporary or long-term.

Read more

Mine Dumps in South Africa: an Ownership Dilemma

The South African landscape is filled with mine dumps bearing testament to South Africa's rich mining heritage. In laymen's terms the phrase 'mine dump' refers to …

Read more

Minerals And Mining (Health, Safety and Technical ...

Surface mining 82. Design of surface mine 83. Geotechnical considerations for surface operations 84. Design of haulage roads 85. Safe means of access to be provided and maintained at surface workings 86. Boundary approach limit 87. Mine boundaries 88. Benches 89. Maximum working face height 90. Precautions in working at the edge of faces and ...

Read more

Open Pit Mine Rock Dump Geotechnical Evaluation

A large scale rail dump settlement/slide event developed between May 1981 and August 1982. The slide extended over a 20 acre surface area and involved some 4.3 million tons of mine waste rock. The height of the waste dump was approximately 250 ft and the main crest tension crack

Read more

GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

geotechnical engineering practice to mine design and general operating procedures, to allow safe and economic mining of any commodity within any rock mass *. The intent of this guideline is to provide examples of good geotechnical engineering practice and to assist mining operators in achieving compliance with Regulation 13.8 of the Mines

Read more

Dump Slope Stability | SpringerLink

Understanding of the mechanics and dynamics of the dumps and dump slopes therefore, becomes a crucial requirement for a mining engineers that will help them design safer dumps, simultaneously considering the economic aspects of mining. With this consideration, this chapter deals with a broad overview of the dumps and dump design, covering ...

Read more

by products from gold mine rock dumps

The vast majority of South Africa's gold lies deep underground but atop the mine dumps ... dumps, comprised of crushed rock ... gold from the mine dumps is ... Mine tailings, rock dump, and leach pad geotechnical issues « I ...

Read more

Specification for design and construction of mine roads

A surface mine s safety and health management system must provide a specification for the design and construction of mine roads to enable the safe movement of vehicles about the mine. At least 1 OCE must be involved in developing, reviewing and auditing the design and construction specification for mine …

Read more

4 Coal Mining and Processing | Coal: Research and ...

Although the United States has the vast coal resource described in the previous chapter, perhaps as much as 4 trillion tons, the key issue for policy makers is the amount of coal that is economically recoverable.This is not a fixed quantity, but depends on the geological resource, the market price, and the cost of mining. The particular characteristics of the coal mining industry create unique ...

Read more

Guidelines for Mine Waste Dump and Stockpile Design ...

Guidelines for Mine Waste Dump and Stockpile Design is a comprehensive, practical guide to the investigation, design, operation and monitoring of mine waste dumps, dragline spoils and major stockpiles associated with large open pit mines. These facilities are some of the largest man-made structures on Earth, and while most have performed very well, there are cases where instabilities have ...

Read more

Factors for management mine waste dumps | Stone Crusher ...

Waste Rock Dumps With more and more mineral resources are discovered and development of mining technology, mining industry are very prosperous nowadays, there are many mine waste and tailing generate everyday. Many waste are hazardous and poisonous, these waste greatly influent environment and our daily life. Depending on the stripping ratio (in open pit mines),…

Read more

Recognised Standard 19 - Design and construction of mine …

mining operations that shall be included in a coal mine safety and health management system for the design and construction of mine roads. 2 Scope This Recognised Standard applies to the design and construction of all mine roads in surface coal mines, including surface areas of underground coal mines, in the state of Queensland. 3 Introduction

Read more

REPORT ON A GEOTECHNICAL INVESTIGATION FOR THE …

down on top of the existing waste dump indicates that ash is also present within the fill material. 8.2.2 Topsoil: covers the site to an average depth of 0,2 m and comprises a dark brown and brown, very loose to loose, fine sand containing many roots. 8.2.3 Aeolian sand : underlies the fill or topsoil consists of brown and orange, mainly very loose

Read more

Development and Application of the Coal Mine Roof Rating ...

The Coal Mine Roof Rating (CMRR) was developed 10 years ago to fill the gap between geologic characteriza-tion and engineering design. It combines many years of geologic studies in underground coal mines with world-wide experience with rock mass classification systems. Like other classification systems, the CMRR begins with

Read more