Longhole Drilling Quality Control Audit Checklist
by Jenny Cowie, from the Community
Use this longhole drilling quality control audit to verify current prints and markup, hole alignment, diameter selection, offsets, dip and dump, casing for downholes, and breakthrough confirmation and barricading. Sections cover service holes, raises, spot checks comparing required and actual dip, dump, and offset, azimuth setup, and general inspections of housekeeping, tools and gear, travelways, mobile equipment, and supervision. Capture photos, note geology changes, slips or voids, and document corrective actions to support safe, accurate drilling and strong production performance in underground mining.
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