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24-MMP-A2 Underground Mining Methods and Design: May 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Ventilation, Mine Planning, Cost Indices, Hoisting and Backfill Fundamentals
  2. Question 2 Ore Handling System and Mine Services Design for a Shaft-Accessed Vein
  3. Question 3 Longitudinal (Avoca) Retreat Mining of Narrow, Steeply Dipping Veins
  4. Question 4 Parametric Shaft and Block-Caving Cost Estimation with Escalation to 2012
  5. Question 5 Headframe Design Parameters, Hoist-Rope Engineering and Shaft Hoisting-System Selection
  6. Question 6 Shaft Hoist Design — Rope, Drum, Cycle Time and Motor Power
  7. Question 7 Cut-and-Fill Stoping Variants and Backfill Practice

Start with Question 1 →

EGBC National Exam — Mining and Mineral Processing Engineering, 09-MMP-A2 Underground Mining Methods and Design, 2014-May. 3 hours duration, closed book; only a Casio or Sharp approved calculator permitted. Question 1 is compulsory (40 marks, all seven parts 1.1–1.7); a candidate then selects FOUR of Questions 2–7 (each worth 15 marks).

Reference texts: Hartman & Mutmansky (eds.), SME Mining Engineering Handbook, 3rd ed. (underground mining methods, mine ventilation, shaft hoisting design, headframes, backfill practice, mine cost estimation — the primary reference throughout this paper); Hustrulid & Bullock, Underground Mining Methods: Engineering Fundamentals and International Case Studies (narrow-vein longitudinal-retreat/Avoca-family stoping, cut-and-fill variants); BC Ministry of Energy, Mines and Low Carbon Innovation, Health, Safety and Reclamation Code for Mines in British Columbia (Canadian regulatory context for hoisting-rope safety factors and shaft ventilation); Camm, T.W. (1991), Simplified Cost Models for Prefeasibility Mineral Evaluations, U.S. Bureau of Mines IC 9298 (source of the Question 4 parametric cost models).