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24-MMP-A2 Underground Mining Methods and Design: December 2015

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

  1. Question 1 Dilution & Recovery, Power & Services, Equipment Costs, Scheduling, Block Caving and Rock Haulage
  2. Question 2 Mine Ventilation — Kirchhoff's Laws, Fan Heating, Parallel Airways and the Mine Characteristic Curve
  3. Question 3 Dumping Skips, Overwinding, Locked Coil Rope, Motor Pole Pairs and Shaft Hoist Design
  4. Question 4 Cut-and-Fill Stoping — Overhand/Underhand, Fill Products, Captive vs. Ramp Access, and Ramp-in-Vein Resuing
  5. Question 5 Longhole Stoping — Development/Production Cycle and Avoca/Alimak/VCR Modifications
  6. Question 6 Vertical Crater Retreat (VCR) — Development, Blasting Cycle, Tailings Fill and Ore Loading

Start with Question 1 →

EGBC National Exam — Mining and Mineral Processing Engineering, 09-MMP-A2 Underground Mining Methods and Design, 2015-Dec. Closed book exam, Casio/Sharp approved calculator plus one aid sheet permitted. Question 1 is compulsory (40 marks, all six parts 1.1–1.6); a candidate then selects THREE optional questions following the group rules (one or both of Questions 2/3; one or two of Questions 4/5/6).

Reference texts: Hartman & Mutmansky (eds.), SME Mining Engineering Handbook, 3rd ed. (underground mining methods, mine ventilation, shaft hoisting design, mine economics — the primary reference throughout this paper); Hustrulid & Bullock, Underground Mining Methods: Engineering Fundamentals and International Case Studies (cut-and-fill, longhole/sublevel open stoping, VCR practice); 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 ventilation practice); Mutmansky & Wang, "A Review of the Vertical Crater Retreat (VCR) Mining Method," and the original crater-blasting theory of C.W. Livingston, Trans. AIME/CIM (Question 6).