310 - AS-TT03 | Waste-Rock, Stockpile & Tailings Failure Modes Talk
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310 / AS-TT03 — WASTE-ROCK, STOCKPILE & TAILINGS CRITICAL FAILURE MODES AND NEAR-MISS LESSONS
AS-TT03 is the original editable one-page Word critical-failure and near-miss toolbox talk for stockpile, waste-rock and tailings-perimeter contractors. Its six points concentrate on excavation/tipping outside approved work envelopes and damage to crucial geotechnical or drainage controls.
WHY THIS IS A MINE GEOTECHNICAL SAFETY CONTROL
Work near a tailings embankment can create failure pathways if unapproved trenching disrupts drains, if stormwater bypasses diversion, or if monitoring instruments are struck. The form helps crews discuss credible precursor conditions rather than claiming a particular incident has occurred.
SIX ORIGINAL WORKFACE BRIEFING POINTS
1. No tipping, trenching or pipework beyond engineering-approved limits. 2. Weather and stormwater diversion monitored to prevent overtopping and erosion. 3. Buried drains, decant lines, underdrains and instruments surveyed before digging.
4. Piezometers, instruments and survey markers protected and tracked. 5. Evacuation routes and downstream exposure communicated to the crew. 6. Engineer/TSF authority signs reinstated drains, slopes and exclusion barriers.
BRIEFING ATTENDANCE, WITHDRAWAL AND RESTART
Record MINE / AREA / DATE / SHIFT and PERMIT / PRESENTER, then use the 16 NAME / EMPLOYEE OR ACCESS NO. and SIGNATURE attendance lines. The original starts with engineering LIMITS and weather controls, then buried services and piezometer protection, followed by downstream withdrawal and TSF owner acceptance. Use true local near-miss examples within the six source subjects; there is no printed root-cause investigation matrix.
STOP / WITHDRAW / NOTIFY MINE CONTROL if seepage surges, tension cracks appear, embankment deforms or the operating boundary is disputed. Restart ONLY after mine-authorised release; a toolbox talk is not engineering permission.
ONE SPECIALIST SINGLE OR THE COMPLETE MINING SYSTEM?
The identical original editable purchaser-licensed DOCX is ALREADY INCLUDED in the 386-document Surface Mining Checklist Package and in the full Contractor H&S File with A–AA core controls and other specialist annexures. Existing larger-set buyers already own it. Host-mine geotechnical, TSF, access and excavation permits always control.
