338 - AU-TT01 | Shotcrete, Lining & Grouting Basic Critical Controls Talk
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UNDER GRD MINE — ORIGINAL EDITABLE WORD | R12.95
AU-TT01 — SHOTCRETE, LINING & GROUTING BASIC CRITICAL CONTROLS TALK
Underground shotcrete, lining and grout can form part of designed mine ground support, not merely a surface finish. AU-TT01 is the genuine basic critical-controls talk starting with rock-engineering design thickness, sequencing and substrate approval.
WHERE AND WHEN THIS MINE FORM IS USED
Brief the actual crew before spraying, grouting or rehabilitation at the mine heading or ground-support zone. Verify the mine's design and permit restrictions, ground condition, spray line and ventilation. Repeat after changes in shift or instructions.
SIX PRINTED TOOLBOX CONTROLS
1. Rock engineering approves design thickness, sequencing and substrate condition
2. Material mix, batch, expiry, set time and chemical hazards recorded
3. High-pressure hose, rebound and splash exposures controlled
4. Ventilation and dust/mist capture adequate for spray and curing operations
5. No workers exposed to unsupported ground during substrate preparation
6. Substrate tests, thickness checks, strength verification and cure holds defined
HOW TO COMPLETE THE SOURCE RECORD
Enter MINE / AREA / DATE / SHIFT and PERMIT / PRESENTER, explain the six printed source controls and capture worker NAME / EMPLOYEE OR ACCESS NO. and SIGNATURE on 16 attendance lines.
MINE-WORKFACE HAZARD AND QUALITY DECISION
The original requires design approval, correct mix/batch and chemical evidence, high-pressure splash control, adequate dust/mist capture, no exposure beneath unsupported ground and defined thickness/strength/cure holds. These are separate safety barriers.
STOP, WITHDRAW OR HOLD FOR MINE RELEASE
The source orders STOP / WITHDRAW / NOTIFY MINE CONTROL for support design deviations, abnormal ground movement or failed strength/lining holds. Restart only after release by the mine-authorised official.
ORIGINAL WORD SINGLE OR THE COMPLETE COLLECTIONS
The original editable AU-TT01 Word file is R12.95 and is already included in the 371-form Underground Mining Checklist Package and full 628-page Contractor H&S File. Existing parent-product owners need not buy twice. Live mine permits and rock-engineering approvals still govern use.
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