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121 records found.
Differential Wall Rock Movements Associated with Rock Bursts, Lucky Friday Mine, Coeur d’Alene Mining District, Idaho, USA
Various methods of monitoring slip movements on bedding planes, as well as examination of rock bursts damage in stopes, suggest that rock bursts in the Lucky Friday Mine are closely associated with these movements. ... Read more
The Relationship of Roof Movement And Strata-Induced Microseismic Emissions to Roof Falls
In underground stone mines, the relationship between roof movement and microseismic emissions was examined in conjunction with two distinct roof fall areas. As roof monitoring increases in acceptance and monitoring technology advances, the goal of providing reliable roof fall detection... Read more
Dangerous Unplanned Movements Shuttle Cars and Continuous Miners
What This safety alert concerns three unplanned movements of coal mining machinery at three different mines. One incident involved a shuttle car and the other two involved continuous miners. Other similar events are also described. Why These incidents are the most recent where... Read more
Steering errors and movement time while driving an underground coal mine shuttle car in virtual reality
What The aim of this project is to investigate the steering error and movement time differences between novice drivers in an alternating condition, and an always compatible condition, and an alway incompatible condition. Why The results indicate that the control-response incompatibility inherent in... Read more
Unplanned Movement of Material Pod Results in Serious Injuries
What A production worker in a Continuous Miner development panel sustained serious upper body injuries, seven fractured ribs, a fractured scapula and sternum when he was crushed against the rib by a full materials pod. Why The right hand suspension chain, looking inbye... Read more
BASEL CONVENTION ON THE CONTROL OF TRANSBOUNDARY MOVEMENTS OF HAZARDOUS WASTES AND THEIR DISPOSAL ADOPTED BY THE CONFERENCE OF THE
Essentially a UN Treaty Document which declares all products as hazardous waste and prohibits all trade activities of these products by the signatory States ... Read more
MOVEMENT OF VEHICLES IN THE VICINITY OF LOADED BLASTSITES
What Two incidents have recently occurred on mines in the Bowen Basin where heavy machinery, a drill rig and a bulldozer, trammed across loaded blastsites. In both cases, the holes had been primed with boosters and non-electric detonators and then loaded... Read more
Unplanned Movement of Elevating Work Platform
What An elevated work platform (EWP) operator and his assistant were injured and trapped in an elevating work platform basket when the machine suddenly moved forward causing the basket to crash into the bucket of a P&H 4100 shovel. Why The safety locking... Read more
Surface Nonmetal Mine (Sand & Gravel) Fatal Machinery Accident Portable Wash Plant Ellensburg Cement Products, Inc. Ellensburg, Kittitas County, Washington
What A 45-year-old front-end loader operator, with 11 years mining experience was fatally injured at a sand and gravel operation. The victim and a co worker were positioned on a conveyor attaching lifting chains suspended from the bucket of a track... Read more
Surface Nonmetal Mine (Sand & Gravel) Fatal Machinery Accident Portable Wash Plant Ellensburg Cement Products, Inc. Ellensburg, Kittitas County, Washington
What A 45-year-old front-end loader operator, with 11 years mining experience was fatally injured at a sand and gravel operation. The victim and a coworker were positioned on a conveyor attaching lifting chains suspended from the bucket of a track mounted... Read more
Surface Nonmetal Mine (Limestone) Fatal Powered Haulage Accident Stringtown Materials L. P. Stringtown Materials L. P. Stringtown, Atoka County, Oklahoma.
What A 63-year-old utility man with 17 years mining experience was fatally injured at a crushed stone operation. The victim noticed the coupling between the rubber tired tractor and the five rail cars that were being moved had disengaged. He signaled... Read more
Surface Nonmetal Mine (Limestone) Fatal Powered Haulage Accident Stringtown Materials L. P. Stringtown Materials L. P. Stringtown, Atoka County, Oklahoma.
What A 63-year-old utility man with 17 years mining experience noticed the coupling between the rubber tired tractor and the five rail cars that were being moved had disengaged. He signaled the tractor operator to stop and back up slightly. He... Read more
Major Hazard Standard: Inrushes and Subsidence
The purpose of this standard is to eliminate fatalities and serious injuries resulting from inrushes or subsidence caused by the uncontrolled mass movement of materials. This standard covers all WMC operations and projects throughout the world. It applies to the... Read more
Dump Truck Trays Hit Overhead Structures
What This safety alert describes two incidents in which the raised trays of large dump trucks hit overhead structures. In the first incident the tray hit a public road underpass and threw the driver towards the top of the cabin; in... Read more
Fatal Machinery Accident, Humphrey No. 2 Mine, Maidsville, West Verginia. U.S.A.
What A mechanic was fatally crushed between the corner of a surface rotary dump and a coal haulage car on the empty track side of the dump Why A signal or other means was not used to be certain that all persons were... Read more
Harrow car wheel replacement tool (bobsled)
Problem While maintenance personnel were changing out the harrow car wheel of the Malco Scaper Reclaimer they were exposed to the potential dangers of crush injury, unplanned movement and equipment damage, and fall from height Solution Previously, coal handling preparation plant (CHPP)... Read more
A.S.E Vest (Austin s Support & Equipment Vest)
Problem For all personnel involved in the underground mining industry, the wearing of a miners belt is a necessity as it provides a place to store essential equipment that is required on a person at all times (See Photo 1). In... Read more
(UNDERGROUND COAL MINE) FATAL MACHINERY ACCIDENT WHITES BRANCH, PINE RIDGE COAL COMPANY GORDON, BOONE COUNTY, WEST VIRGINIA
What A 50 year old, continuous mining machine operator, with 22 years experience, received fatal crushing injuries when he was caught between the tail boom of the continuous miner and the coal rib. Why The accident was caused by a confluence of factors... Read more
Role of fault slip on mechanisms of rock burst damage, Lucky Friday Mine, Idaho, USA
Various methods of monitoring slip movements on bedding planes, as well as examination of rock burst damage in stopes, suggest that many rock bursts in the Lucky Friday Mine are closely associated with these movements. Slip displacements along bedding simultaneously... Read more
Fatal Machinery Accident at Craney Mine Solar Sources, Inc. Cannelburg, Daviess County, Indiana I.D. No. 12-01732
What A 47-year old mechanic with 27 years of mining experience was fatally injured at a surface mine repair yard while preparing to move a section of an excavator mainframe with a front-end loader. The victim reached under the front-end loader... Read more
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