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Better Alarm Handling
Improving alarm handling; Are there problems with the existing alarm system? There were too many alarms and they were poorly prioritised. Control room displays did not help operators understand what was happening. Inadequate training for dealing with... Read more
Ergonomic Design Handbook for Shearers
The information in this report is structured so that it can be used when designing new shearers or when assessing prototypes. If modifications are being planned on existing plant, or an existing machine is to be evaluated, then the designer... Read more
Minerals Industry Safety Handbook Part 5 : Equipment and Machinery
This chapter of the Minerals Industry Safety Handbook covers the mine site hazards associated with machinery. Sections in this chapter cover hazards and where they may occur (confined spaces, elevated platforms etc.), hazardous plant (pressure vessels, guarding of moving parts),... Read more
Guideline for Vehicle Seating
This guideline provides information on the correct design and adjustment of vehicle seating to prevent injury. Guidance on positioning of the steering wheel and seat to provide back support and methods of reducing vibrations are discussed. Diagrams showing the correct... Read more
An Ergonomic Evaluation of Excavating Operations: A Pilot Study
What "The objective of this study was to systematically characterize the ergonomic hazards associated with excavating operations." ... Read more
Ergonomic Risk Factors: A Study of Heavy Earthmoving Machinery Operators
What This paper reports the results of a study performed to evaluate ergonomic exposures among operators of heavy construction equipment. It also provides recommendations for reducing ergonomic exposures such as vibration and postural stress. ... Read more
Whole-body vibration and postural stress among operators of construction equipment
What It has been suggested that operating engineers (OEs) are exposed to two important risk factors for the development of musculoskeletal disorders: whole-body vibration and non-neutral body postures. This review evaluates selected papers that have studied exposure to whole-body vibration and... Read more
Electric Shock from Circuit Breaker
What An electrician received an electric shock when he made direct contact with the load side terminals of a moulded case circuit breaker. Why The circuit breaker had previously been dismantled to fit an internal accessory. The circuit breaker appears to have been... Read more
FATAL MACHINERY ACCIDENT Mine No. 4 Calvary Coal Co. Inc. Smilax, Leslie County, Kentucky I.D. No. 15-16349
What A 49-year old supervisor with 29 years mining experience was fatally injured when thrown from the elevated bucket of a Simon-Telect 42-foot aerial bucket truck whilst dismantling a de-energized electrical substation on the surface area of an underground mine. Why Fatality occurred... Read more
Control Design Principles
Selecting the best controls with which an operator interfaces with the equipment is critical to maximizing operator-machine performance. This is especially important in confined areas where space for controls is limited and the operator's mobility and ability to generate force... Read more
Non-Flameproof Diesel Vehicles Entering An Explosion Risk Zone 1
What A non-flameproof diesel powered vehicle in an underground coal mine was driven into an Explosion Risk Zone 1 despite the control of three tag stations. Why damage and relocation of radio receiver aerials, deliberate desensitising of alarms and a resulted non-activation of... Read more
The Segas Professional software
Problem The constant monitoring of explosive gas in underground coal mines gas is very important for the safety of mine personnel on a day to day basis. The data collected should also allow for interpretation and extrapolation of the mine atmospheric... Read more
Maintenance of Safety Critical Systems - Braking, Steering & Warning Systems
What There has been several incidents relating to the failure of braking and steering systems on mobile equipment. Why Failure of the braking and steering systems on the mobile equipment Recommendations Recommendations relate to failure of the braking system, condition of the road, operator error,... Read more
Protect your protection circuitry
What Methane monitors were bridged out of circuit in two mines while producing coal Why On each occasion the tail gate methane sensor was bridged out of circuit during calibration checks and not recommissioned once these routine checks were completed. Recommendations Mine management should review... Read more
Human Factors Engineering Specific Analysis
To provide the reader with information on wether a tool or piece of equipment is accepatable in terms of Human Factors engineering (HFE) design which can be very dependent on the manufacturers testing program prior to marketing. Many HFE issues,... Read more
Study of the introduction of computerization and automation of drilling and heading machines in small workings
This document covers: The application of new computer and automation techniques to drilling machines or other machinery used in drivages is likely to produce significant improvements in: Working conditions and pit performance. The aim of the project was to identify... Read more
LHD Operator Posture Assessment
What To determine the postural deviations and low back load required for line of sight from the operator's position. Why The bi-directional nature of load haul dump (LHD), vehicle design dictates the operators sit in a centrally located seat position, perpendicular to the... Read more
Analysis of Postural Loading in Lift Trucks
What To understand the postural loading and risk associated with different driving tasks. Why The poor visibility associated with operating lift trucks often causes operators to adopt extreme postures in order to see where they are going and what they are doing. These... Read more
Ergonomic Principles For The Design of Underground Locomotives
Underground investigations of a wide cross section of locomotives have revealed a number of limitations in ergonomic aspects of their design which could influence both the safety and efficiency of the operation. This handbook is intended to provide designers of... Read more
FATAL MACHINERY ACCIDENT at VICC No. 7 Mine Paramont Coal Company Virginia, LLC Coeburn, Dickenson County, Virginia ID No. 44-06503
What A 41-year-old continuous mining machine operator was positioning the machine by remote control for an end-cut while second mining a coal pillar. As it trammed toward the next cut, it pivoted right; crushing the victim between the cutting head and... Read more
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