249 - AO-TT02 | Water Inrush & Unexpected Voids During Coring Toolbox Talk
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UNDER GRD MINE — SOURCE-IDENTICAL EDITABLE WORD | R12.95
AO-TT02 — WATER INRUSH & UNEXPECTED VOIDS DURING CORING TOOLBOX TALK
AO-TT02 is the dedicated mine contractor briefing on water inrush, pressurised voids, mud and slurry when coring underground. The source has five specific checks, including constant bore monitoring and an agreed clear withdrawal route, not the standard six-point generic toolbox sequence.
WHERE THIS SPECIFIC UNDERGROUND RECORD APPLIES
Use it before a coring or non-production bore task with geological uncertainty, stored groundwater or service interfaces. Identify Mine / area, Contractor, Date / shift, Presenter, Work order / task and Risk assessment ref as printed in the original.
FIVE ORIGINAL SPECIALIST DRILLING SAFETY CHECKS
1. Drill/coring dust suppression compatible with mine ventilation and electrical safety.
2. Water inrush, pressurised void, mud and slurry control plan accepted.
3. Equipment anchored and restrained; rotating drill steel/entanglement hazard controlled.
4. Noise/vibration/dropped objects and nearby personnel exclusion established.
5. Keep an agreed water-inrush withdrawal route clear and monitor the bore continuously for pressure or ground changes.
HOW TO COMPLETE THE GENUINE SOURCE WORD FORM
Brief the exact five original controls: compatible dust suppression; accepted water-inrush/pressurised-void/slurry control plan; anchored drilling equipment and entanglement protection; noise/vibration/dropped-object and bystander exclusion; and continuous bore-pressure observation with a clear escape route. Use the printed NAME / STAFF NO. and SIGNATURE attendance fields.
DRILLING STOP RULE AND MINE AUTHORITY
The source STOP-WORK TRIGGER covers an unexpected void, water or gas, struck services, damaged ground support, ground movement or missing rock-engineering release. An emergency withdrawal route must remain clear before and during work; this briefing is not a permit or induction.
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-TT02 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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