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59 records found.
Isolation and Tag-Out Procedures : Guideline
Isolation of plant may be necessary to facilitate activities such as maintenance, installation, inspection, testing and cleaning. This MOSHAB approved guideline describes the use of personal danger tags and equipment out of service tags. A description of each type of... Read more
MDG 40 Guideline for Hazardous Energy Control (Isolation or Treatment)
This guideline aims to assist in the development of safe systems of work for the installation and operation of mining equipment. It describes the implementation of a hazardous energy control management system which involves record keeping, emergency preparedness, training, monitoring... Read more
QGN02 Isolation Procedures for Protecting Persons Working on Plant at Metalliferous Mines and Quarries
This guidance note details the procedures to be taken by workers to prevent the unwanted start up, energisation, or release of energy whilst work is being undertaken on a plant. Detailed are procedures related to workers that are permitted... Read more
Major Hazard Standard Related Document: Guideline - Mechanical and Process Isolations
This document provides isolation strategies and standards for establishing effective isolation of process and mechanical systems and shall be used to develop Isolation Certificates for application within the Permit to Work System. This document should be read in conjunction with... Read more
Best Practice Isolation
Problem Accidental start-up of plant and machinery place out of service with paper tags or locks have occurred resulting in injuries to persons Solution A personal isolation system that requires the verification of any lockout before work commences and/or the machinery/plant is restarted.... Read more
Fatal Risk Control Protocol: 8 Isolation
The intent of this protocol is to eliminate or minimise the risk of fatalities, injuries and incidents arising from the uncontrolled release of energy or hazardous materials at all BHP Billiton operations. This protocol applies to the isolation of all... Read more
Isolation of plant containing stored energy
What In 2003 a worker received fatal injuries when he undid the poly nut on an air header that was pressurised. The recent coronial inquest found that the worker received fatal injuries when struck a blow of considerable force to his... Read more
Isolation Design Philosophy: background information
This document provides background information about energy sources associated with earth moving equipment (EME). It describes a 12-step process for positive isolation and EME design requirements for effective isolation. ... Read more
Railway Ore Car Single Point Brake Cylinder Isolation
Problem Concern for the risk and injury associated with isolating the brakes on railway carriages to perform a brake block change out. Solution implementation of a single definite brake cylinder isolation to prevent air entering the brake cylinder and drain any air left... Read more
Link One Isolation Safety System
Problem Risks associated with high pressure liquids and gases. Solution A Database comprising drawings detailing isolation points, pressure bleed points and location of gauges to assist in isolation. Benefits increased safety and risk reduction, reduction of associated injuries, One-Stop-Shop for all government acts, safety manuals... Read more
Quarry Employee Injured After Failure To Isolate Pugmill
What A quarry employee received a fractured jaw and chin when he used a crowbar to clear a blockage in an operating pugmill. Why The employee attempted to unblock a water inlet pipe of a pugmill while it was operating. He stood on... Read more
Circuit Breaker Positive Equipment Isolation
Problem During a shutdown an isolator in a MCC was locked in the "on" position Solution "Circuit Breaker" positive equipment isolation. Benefits Increased Safety, Reliable, Cheap, transferable across industry. ... Read more
Incorrect Isolation of a Conveyor
What At the end of a job on a conveyor, it was discovered hat the local control isolator has been locked in the 'ON' position during the entire job. The persons had incorrectly understood that the isolator handle was in the... Read more
Isolation Indication Lights
Problem Failure of isolation devices can lead to exposure of electrical tradespersons to electrical energy. Solution The solution was the development of the isolation indication lights package that consists of three long-life high intensity red LED lamps and fuses for circuit protection. Benefits The main... Read more
Contractor Fatally Injured by High-Pressure Hydraulic Equipment
What A contractor was fatally injured while taking fluid samples from a large hydraulic system used to power longwall machinery at an underground coal mine. Why A detailed investigation has been initiated. Recommendations Recommendations are related to managing risks associated with high pressure fluids, review... Read more
Electrical switchgear and safety: A concise guide for users
guidance on the managing of three-phase electrical switchgear with voltage ratings from 1000-33 000 volts alternating current (ac). It covers selection, use, care and maintenance. The equipment covered includes switchgear using oil, air, sulphur hexafluoride or vacuum as the interrupting... Read more
Drill rig incident
What A driller's assistant received serious finger injuries while working from a ladder alongside the mast of an exploration drill rig. Why The driller operated a control without warning his assistant who was decending the ladder. There was no efective means to isolate... Read more
Hydraulic bleed manifold
Problem The need to release pressure from mobile mining machines where work must be performed on hydraulic systems that contain and store pressure up to 5100 psi (35 Mpa/350 Bar) and at temperatures in excess of 100C. Serious injuries such as... Read more
Fatal Electrical Accident - Navajo County, Arizona
What An electrician was fatally injured while troubleshooting the trailing cable for a dragline at a surface coal mine. The electrician was working at an electrical junction box that supplied power to the dragline when he contacted two 23,000 volt energized... Read more
Driller's Feet Crushed in Drill Foot Clamps
What A driller had his feet crushed when drill rig foot clamps unexpectedly closed. The operator was standing at the bottom of the mast attaching the cyclone pipe. Both of his feet were under the open foot clamps. The driller's offsider... Read more
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