WebApr 4, 2024 · • Scale highwalls to eliminate hazards such as loose rocks or overhangs. Perform scaling from a position that will not expose miners to injury. Until hazards are … WebNov 3, 2015 · Highwall mining is an important surface coal mining method, and it may account for approximately 4% of total U.S. coal production. Highwall stability is the major …
CDC - Mining - Ground Control Design for Highwall Mining - NIOSH
WebDec 11, 2024 · On Tuesday, December 11, 2024, at approximately 2:07 p.m., Micky Cook, a 38-year-old surface miner with 14 years of mining experience, was fatally injured when a large portion of a highwall (approximately 7,000 to 8,000 cubic yards) toppled, crushing the operator’s cab of his front-end loader. WebMar 23, 2004 · Ground Control - Highwall Safety At Surface Mining Operations 2 Correction of hazardous conditions30 CFR 56.3200 Ground conditions that create a hazard to persons shall be taken down or supported before other work or travel is permitted in the affected area. Until corrective work is completed, the area how to make patches with embroidery
High Wall Safety In Surface Mining: Changing Seasons
WebNov 29, 2024 · Rockfall hazards in open pit mines are a constant threat to mine workers and are typically addressed by catch benches—horizontal spaces set in from the highwall to … WebHighwall Safety There are many potential risks when working near a highwall, bench or overhang. These risks, such as falling rock, dirt and debris, can result in the damage or destruction of your equipment. Unexpected accidents can even lead to … Pit and Quarrynotes there are several things that can prove hazardous in mining that involves highwalls. Geological structures can influence highwall stability. Other factors include how strong the rock mass is. Weathering, water inflow, surface drainage, and erosion can make highwalls unstable. Unsafe … See more Although it may look as stable as Mount Rushmore, by its very nature and purpose, a highwall can collapse without warning. People and machines … See more Constant vigilance is required to spot potential dangers and make corrections before a disaster occurs. Mining staff looks for structural weaknesses in the rock. Any movement along these discontinuities can … See more In order to maintain the stability of the highwall, mining companies employ methods that maintain the bank, slope, and wall stability. … See more Many of the hazards of highwalls in mining can be eliminated by having wise geotechnical planning. Next, safe mine operations need to be in place and followed. To ensure … See more how to make patchwork