Permit to Work Major Hazard Standard - MIRMgate

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WMC EHS Management System Major Hazard Standard Permit to Work • Operate and monitor as required any specific safety plant or equipment identified as being required to ensure health and safety • Use communications equipment as appropriate • Monitor the surrounding environment for impact on the confined space • Recognise changes in risk to those inside the confined space and to take appropriate action where necessary • Where the risk assessment determines that the Stand-by Person may be required to perform first aid, they shall be trained, assessed and passed as competent to perform that task. A Stand-by Person shall be positioned such that they are capable of being in continuous communication with and, where possible, to observe those inside a confined space. Stand-by Persons may alternate with persons working inside the confined space providing they are properly trained. Stand-by Persons shall be assigned no other duties that may affect their ability to fully maintain constant communication and control of the safety of person/s within the confined space. Under no circumstances is the Stand-by Person to enter the confined space. 6.7 Safety Equipment There shall be management procedures to ensure that any safety equipment used in a confined space (including personal protective equipment) is: • Appropriate to the work to be conducted • Maintained in proper working condition • Selected and fitted (where required) to suit the individual • In compliance with relevant statutory requirements and Standards where applicable. Any equipment used to ensure a safe environment during confined space occupancy shall be continuously monitored while the confined space is occupied and the controls will be clearly tagged to ensure unauthorised persons do not interfere with them. 6.8 Portable Electrical Equipment There shall be a system to ensure that any portable electrical equipment used in a confined space: • Uses flexible heavy duty power supply cable of at least AS/NZS 3191 standard • Has the power supply cable/s suspended or guarded against damage • Is double insulated where available • Is in compliance with relevant statutory requirements and Standards where applicable. Portable electrical equipment used within confined spaces should: • Be connected, individually or collectively, to an earth-free, protected, extra-low voltage supply (see AS/NZS 3000) from an isolating transformer/s complying with AS/NZS 3108, with the transformer/s being located outside the confined space • Be protected through a residual current device complying with AS 3190, with the device being located outside the confined space; or • Where there is a potential for combustibles, be intrinsically safe. Note: In all cases consideration must be given to the use of extra-low voltage, air, hydraulic or other means of powering portable equipment used in confined spaces. WMC-EHS-MHS-007 DocsOpen Ref : 155520 Issued: 23/12/03 Page 34 of 59
WMC EHS Management System Major Hazard Standard Permit to Work 6.9 Gas Cylinders There shall be a system to manage the use of compressed or liquefied gas equipment in confined spaces that shall include ensuring that: • No cylinder of compressed or liquefied gas should taken in to a confined space (except cylinders for use with breathing apparatus) • Supply hoses are inspected, repaired or replaced as required prior to use • Supply hoses are located, suspended or guarded against damage • Gas cylinders are secured at all times • Supply to the equipment is turned off when the equipment is not in use There shall be management procedures to ensure that any equipment used inside a confined space is in compliance with relevant statutory requirements and Standards where applicable. 7. Training Training (and re-training at appropriate intervals but in any case not to exceed two years) shall at least be given to persons who: • Perform work in or on confined spaces including Stand-by Persons • Manage and/or supervise persons working in confined spaces • Provide, fit, wear and maintain PPE used in confined spaces • Are conducting atmospheric testing of confined spaces • Are involved in rescue and first aid procedures Details of training are to be recorded in the individual’s training record. 8. Emergency Response There shall be a system to ensure that: • Emergency response (including confined space rescue) and first aid procedures and provisions are planned, established and rehearsed • Persons involved in emergency response are trained, assessed and passed as competent • Persons involved in emergency response are advised of conditions within the confined space prior to entry. 9. Contractors Where contractors have been engaged to conduct confined space work, evidence of recognised confined space training will need to be provided to the WMC Resources Nominated Person. In addition, the contractors shall understand how confined space work is managed at the WMC Resources site, including the requirements of this Standard. 10. Audit and Review There shall be a program for: • Inspection of the condition and accuracy of contents of the confined space register and its accessibility • A bi-annual check to ensure that there has been no change to the evaluation of a Confined Space WMC-EHS-MHS-007 DocsOpen Ref : 155520 Issued: 23/12/03 Page 35 of 59
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Permit to Work Major Hazard Standard - MIRMgate

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