Permit to Work Major Hazard Standard - MIRMgate

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WMC EHS Management System Major Hazard Standard Permit to Work • Using a full knowledge of the scope of work and hazard controls necessary to complete the work, the Service Provider should commence filling out the first two Sections of the Work Permit and submit to the Permit Issuer (see Appendix B Work Permit form). This is best done as a consultative process between the Service Provider and the Permit Issuer (or other equipment/plant owner representative). • The Permit Issuer shall review the Work Permit request (including the THA) and agree the final set of hazard controls. The Permit Issuer can include additional controls as appropriate. • If the planned work incorporates any “change” (as defined in the EHS Management System Standard #5 Management of Change) the Permit Issuer shall confirm with the Service Provider that a ‘Change Management Plan’ has been implemented. The Permit Issuer is not accountable for the management of the change management process, simply confirming that a change implementation plan is in place if required. If the ‘Change’ has not been signed off, the Permit Issuer shall refer the Work Permit request back to the Service Provider. • The Permit Issuer shall complete the necessary Work Permit document preparation (including any Work Permit Certificates) ensuring that all hazards due to workplace interactions or unique aspects are identified and controls indicated. 7.4 Workplace Preparation The Permit Issuer shall initiate implementation of the workplace hazard controls as identified in the Work Permit and Certificates. Hazard controls identified on the Work Permit/Certificates shall be carried out according to the requirements in their respective Appendices D1 to H1. Authorised personnel shall establish these preparations. 7.5 Work Permit Issue and Acceptance 7.5.1 Work Permits The Permit Issuer shall confirm that all defined hazard controls have been established and that authorised signatories have completed Certificate requirements. The Permit Issuer shall confirm that the workplace is safe to commence work. This may involve a physical check of the work environment by the Permit Issuer or confirmation via a competent source. The Permit Issuer shall brief the Permit Acceptor (Service provider’s representative for the work team) on the hazard controls in place. The Permit Issuer shall sign the Work Permit Authorisation section of the Work Permit (Note: the Permit Issuer shall not act as Permit Acceptor for the same Work Permit). Once the Permit Acceptor understands the hazard controls in place they shall sign the Permit Acceptance section of the Work Permit and take the original copy of all permit documentation (including any Certificates and THA/SWP) to the work site. The Work Permit original and associated documentation shall be clearly displayed in the Permit Control Board (see Section 7 of Appendix D1) at the work site. A duplicate copy of the Work Permit shall be retained in the Permit Office as a record of a ‘live’ permit. 7.5.2 Work Permits with a Block Isolation When a number of different tasks are being completed under separate Work Permits with all tasks sharing the same Isolation Certificate, the isolation is called a Block Isolation (see Appendix D1 Section 4). WMC-EHS-MHS-007 DocsOpen Ref : 155520 Issued: 23/12/03 Page 8 of 59
WMC EHS Management System Major Hazard Standard Permit to Work All Work Permits associated with a Block Isolation shall be recorded on a Work Permit Register by the Permit Issuer and signed on when issued and off when the Work Permit is closed (see Work Permit Register in Appendix C). No de-isolation of any points within the Block Isolation shall commence until all Work Permits have been signed off on the Work Permit Register by the Permit Issuer. Note: If a Testing Program is in place for any one of the Work Permits under a Block Isolation then all work shall cease and the procedure as defined in Section 9 of Appendix D1 followed. 7.6 Work Progression 7.6.1 Work Commencement The Permit Acceptor shall brief the work team about the hazard controls already in place and any additional controls required for the job. The THA and Work Permit shall be used as a basis for this briefing. As part of this process the THA shall be given a final review The Permit Acceptor seeks to clarify any issues team members have about the hazard controls in place and asks them to sign onto the Work Permit to acknowledge the fact that they have been briefed, they understand the hazard controls in place and will comply with the requirements. The Permit Acceptor checks that controls are maintained during work progress. If any conditions are breached, all work shall cease and the Permit Acceptor shall refer the matter to the Permit Issuer. If the Permit Acceptor accepts multiple Work Permits they should not perform tasks as a working team member under any one of the Work Permits. Note: When energies are isolated as part of hazard controls, each work team member shall also attach their Personal Danger Tag with a lock to the Permit Control Board, as per the requirements of Appendix D1 – Isolations. 7.6.2 Shift Handover If work covered by a Work Permit proceeds from one work shift to another, the following shall occur: • The off going Permit Acceptor shall check that all work team members remove their Personal Danger Tag if energies are isolated • A formal handover occurs between the off going and the new Permit Acceptor with respective signatures being recorded on the Work Permit. During this handover the new Permit Acceptor is briefed on the hazard controls in place and the status of work • An informal handover between the off going and new Permit Issuer shall occur • The new shift Permit Acceptor seeks to clarify any issues team members have about the hazard controls in place and asks them to sign onto the Work Permit to acknowledge their understanding and acceptance to comply with requirements. 7.6.3 Work Permit Relinquishment If a face-to-face handover from the off going to the new Permit Acceptor is not possible, then the following shall occur: • The off going Permit Acceptor checks that all work team members have removed their Personal Danger Tag if energies are isolated • The Permit Acceptor shall return the Permit Control Board to the Permit Issuer and provide a formal brief on work status and sign off in the ‘Change of Permit Acceptor’ section of Work Permit • The receiving Permit Issuer shall sign in the ‘Relinquishment to Permit Issuer’ section of the Work Permit and indicate the reason WMC-EHS-MHS-007 DocsOpen Ref : 155520 Issued: 23/12/03 Page 9 of 59
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Permit to Work Major Hazard Standard - MIRMgate

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