251 - AO-TT04 | Drilling Failure Recognition & Emergency Withdrawal Toolbox Talk
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UNDER GRD MINE — SOURCE-IDENTICAL EDITABLE WORD | R12.95
AO-TT04 — DRILLING FAILURE RECOGNITION & EMERGENCY WITHDRAWAL TOOLBOX TALK
The genuine AO-TT04 failure-recognition and emergency withdrawal toolbox talk addresses underground service drilling, coring and non-production openings. It starts with old workings, unexpected voids and groundwater pressure, and ends with hole sealing and a rock engineer's formal close-out.
WHERE THIS SPECIFIC UNDERGROUND RECORD APPLIES
Use it before drilling into a planned heading or existing underground structure, again after changed permits, shifts, geology or mine instructions. Complete MINE / AREA / DATE / SHIFT and PERMIT / PRESENTER with the true workface and competent mine authority.
SIX ORIGINAL WORKFACE BRIEFING CONTROLS
1. Old workings, unexpected voids and groundwater pressure examined before penetration
2. Ground support, shotcrete, mesh and pillar loads protected
3. Dust/water/gas suppression and respiratory controls appropriate to geology
4. Drilling machine anchorage, guarding and rotating steel risks controlled
5. Emergency stop/withdrawal threshold set for inflow, movement or gas
6. Completed holes sealed/identified and rock engineer signs close-out
HOW TO COMPLETE THE GENUINE SOURCE WORD FORM
Brief the six original printed points in their exact order. Discuss groundwater and old workings, protection of pillars/mesh/shotcrete, geology-matched dust and gas controls, drill machine anchorage and rotating steel, emergency withdrawal threshold, and engineer-signed hole close-out. Record genuine crew attendance using the source's 16 signature lines.
DRILLING STOP RULE AND MINE AUTHORITY
STOP / WITHDRAW / NOTIFY MINE CONTROL for unexpected water/gas, penetration intersecting mine support or unauthorised drilling. The original requires mine-authorised official release before re-entry; an attendance signature never grants penetration approval.
REAL-LIFE EVIDENCE AND COMPETENT APPROVAL
Keep the mine risk assessment, permit and support drawings with the talk; a signature does not authorise work.
ONE WORD SINGLE OR COMPLETE UNDERGROUND MINE COLLECTIONS
This source-identical editable AO-TT04 Word original is R12.95 and already included in the 371-form Underground Mining Checklist Package and full 628-page Contractor H&S File. Existing owners of either containing collection should not buy it twice. Mine geotechnical control, service permits and official handback govern the work.
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