WebMine Safety and Health AdministrationHighwall Hazard Recognition (C/MNM)DVD includes both English and Spanish versions --If your job puts you on or near high... WebConduct highwall examinations and assure hazards (loose rocks, overhangs, trees, etc.) are taken down or supported prior to work or travel near the highwall. Examine more …

Effectively recognizing safety hazards : Pit & Quarry

WebHighwall 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 ground control related safety concern. Ground control plans for highwall mining should specify hole width, web pillar width, barrier pillar width and number of holes between barriers. 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 … north houses game of thrones

MNM Serious Accident Alert Surface - Highwall Mine …

WebExamine highwalls and material piles from as many perspectives as possible (bottom, sides, and top/crest) while maintaining the safety of the examiners. Look for cracking, … 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 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 say hi im new in spanish