Report: APP CMHS Project 4




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Appendix C – Sample Trigger Action Response Plan

Appendix C – Sample Trigger Action Response Plan


Green – Level 1

Yellow – Level 2

Orange – Level 3

Red – Level 4


Monitoring Triggers

Tell Tale movement:

  • < 10mm on "T" (total) &

  • < 5mm on "L" (lower)

Tell Tale movement:

  • Between 10mm and 15mm on "T" (total) or

  • Between 5mm and 10mm on "L" (lower)

Tell Tale movement:

  • Between 15mm and 25mm on "T" (total) or

  • Between 10mm and 25mm on "L" (lower)

Tell Tale movement:

  • >25mm


Trigger Actions Responses for above Trigger Levels (Responsibilities)


Mine Workers

(Miner Driver & Bolter Operator)

  • Install support for Level Green.

  • Note and record any partings detected while drilling roof boltholes – inform Supervisor.

  • May increase level of support to suit conditions.


  • Inform Supervisor of changed face conditions.

  • Install support for Level Yellow.

  • Inform Supervisor of face conditions.

  • Note and record any partings detected while drilling roof bolt/cable holes – inform Supervisor.

  • Install support for Level Orange.


  • No road fall area.

  • Inform Supervisor of face conditions.

  • Withdraw to a safe area.

  • Participate in Risk Assessment for fall recovery where required.


Supervisor

  • Monitor newly installed Tell Tales 2 times per shift for first 5 days after installation and record info on shift report.

  • Monitor all other Tell Tales once per shift and record info on shift report.

  • Ensure Installed support is in accordance with Support Plan

  • Ensure excavations are within design specifications.

  • Notify relevant Coordinator

  • Investigate and determine if Tell Tale or Extensometer is required to monitor ground conditions.

  • Note location & nature of conditions/geological structures on shift production reports.

  • Notify Geotechnical Engineer and relevant Coordinator.

  • Stop work and correct deviations from Support Plan immediately

  • Monitor area and withdraw if necessary.

  • Note location of structures, failures and telltale movements on shift reports.

  • Install additional monitoring as required (Telltale).

  • Monitor and record Tell Tales every hour.

  • Withdraw men, No Road and notify Mine Manager and Geotechnical Engineer.

  • Ensure nobody works under unsupported ground.

  • Requires approval from Mine Manager before changing down from Level Red.

  • Participate in Risk Assessment for fall recovery where required.


Site Geotechnical Engineer

  • Check shift reports for changed conditions.

  • Routine monitoring and mapping.

  • Have all Support Plans prepared and signed off.

  • Provide plots of instrument results.

  • Ensure all support consumables are available on site.

  • Conduct duties as defined in PHMP Responsibilities.

  • Consult with relevant Supervisor and Coordinator

  • Check shift reports for changed conditions.

  • Inspect, and map within 48 hrs of report.

  • Determine whether remedial action is required.

  • Determine level of monitoring required.

  • Review TARP levels & triggers if necessary.

  • Review instrument monitoring intervals.

  • Consult with relevant Supervisor and Coordinator

  • Inspect and map area as soon as practicable within 12 hours of report.

  • Determine whether additional support is required and other corrective actions.

  • Determine level of monitoring required.

  • Participate in Strata Control PHMP meetings.

  • Review TARP conditions & triggers if necessary.

  • Consult with Mine Manager, relevant Supervisor and Coordinator

  • Inspect area as soon as practicable and within 4 hours of report.

  • Assist with the development of a recovery plan.

  • Provide recommendations regarding reducing level of support.

  • Participate in Risk Assessment for fall recovery where required.

Underground Mine Manager

Monitor shift reports.

  • Monitor shift reports.

  • Note changed conditions.

  • Review and approve any proposed change to TARP.

  • Consult with Geotechnical Engineer, relevant Supervisor and Coordinator

  • Authorise Recovery Plan

  • Partake in Strata Control PHMP meetings and advise SSE on recommended response.

  • Review and approve any proposed change to TARP.

  • Advise SSE on recovery plan.

  • Authorise reduction of level of support.

  • Notify Site/Industry Safety & Health Representatives and Inspectorate as required.







Appendix C – Sample Trigger Action Response Plan

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