1. Madero DPM Mining Pictures July 1st, 2016
Charles Gryba P. ENG. Mining

2. Mining Under Concrete Roof

3. DPM – Mine Proven Equipment
Changes, back ream holes, rod handlers and larger stingers, 4.5m mast, walking cylinders on hiab, Cortez type loading of CRF

4. DPM Precast Posts

5. DPM Cubex Drill 6m Holes

6. Post Handling Grab

7. Madero Top Slicing (T.S.)

8. T.S. - CRF & Wall Hangers

9. 15m Wide Panel - W to E

10. 15m Wide Panel – E to W

11. DPM Double Posting

12. Wall Geology - Easy Mapping

13. Mining Past the Roof Edge

14. DPM Productivity - Manpower
Production cycle Manshifts
Drill - blast – muck 2 rounds/shift 3.0
Backfill cycle
Drill post holes 3 holes/shift
Insert & stand posts 6 sets/shift 1.0
Drill & blast helper holes 3 sets/shift 1.0
Vent manway & services every 16 rooms 0.5
Pour concrete floors 2 rooms/shift 3.0
Tight fill rooms 1 room/shift 1.5
Total Man Shifts per DPM room
Productivity - Tonnes per Man Shift

15. Supervisors Truck