330 - AU-C03 | Shotcrete Condition Change and Emergency Protection Checklist
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UNDER GRD MINE — EDITABLE WORD ORIGINAL R12.95
AU-C03 — SHOTCRETE CONDITION CHANGE AND EMERGENCY PROTECTION CHECKLIST
AU-C03 is the source-original change-of-condition and emergency protection checklist for mine shotcrete, lining, grouting and rehabilitation. Seven checks demand renewed verification after changed ground movement, spray conditions, work permit, shift or mine instruction.
WHEN THIS MINE FORM APPLIES
Use it at the affected grout, lining, rock-support or spray workface following altered mine conditions. Record MINE / AREA / LEVEL, WORK ORDER / MINE ZONE, DATE / SHIFT / PERMIT and CONTRACTOR SUPERVISOR and determine if the previous mine clearance or strength acceptance still applies.
SEVEN PRINTED WORKFACE CONTROLS
1. Mine engineer signs thickness, strength and zone re-entry release
2. Runoff and washout protected against mine drainage and contamination
3. Substrate tests, thickness checks, strength verification and cure holds defined
4. No workers exposed to unsupported ground during substrate preparation
5. Ventilation and dust/mist capture adequate for spray and curing operations
6. High-pressure hose, rebound and splash exposures controlled
7. Material mix, batch, expiry, set time and chemical hazards recorded
HOW TO COMPLETE THE EXACT SOURCE FIELDS
Its seven numbered WORKFACE VERIFICATION / REQUIRED CONTROL rows offer Y, N and N/A and EVIDENCE / DEFECT / ACTION. Explain every NO or N/A, record inspected evidence and current mine COP/SOP against operator limits. A checklist is not a work permit.
WHY THIS SOURCE RECORD MATTERS
The source begins with engineer-signed thickness, strength and re-entry release and ends with mix batch/chemical control. A failed substrate/cure or unsafe spray hose requires HOLD. Stop without mine clearance, isolation, emergency system, support condition or critical proof.
STOP, REVIEW AND MINE AUTHORITY
The source HOLD instruction requires stopping for missing mine clearance, isolation, emergency system, ground support or critical proof. Record review/close-out evidence and contractor and host mine signatures where required; approval remains mine-owned.
EDITABLE WORD OR COMPLETE UNDERGROUND COLLECTIONS
The source-identical AU-C03 Word original is R12.95. This form is already included in the 371-document Underground Mining Checklist Package and complete 628-page Underground Mining Contractor H&S File, so owners of either parent do not need to buy it twice. Current mine COPs, valid permits and competent appointments govern use.
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