SMU-WINNING & WORKING DGMS EXAM SYLLABUS

29-04-2021
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SYLLABUS FOR EXAMINATION FOR SECOND CLASS MANAGER’S CERTIFICATE OF COMPETENCY
(Under Metalliferous Mines Regulations, 1961)
WINNING AND WORKING

Geology:- Characteristics and classification of mineral deposits; exploration and delineation of the ore bodies; boring through disturbed strata; bore hole survey; structural geology; interpretation of geological maps.
Opening of mineral deposits; vertical and inclined shaft; adits; declines; shaft sinking and deepening; methods of sinking; mechanized sinking; in ordinary and water logged grounds, other special methods; shaft supports, temporary and permanent.

Developments and layout of mines including surface and underground arrangements; layout and development of shaft-top and pit-bottom and haulage arrangements.

Underground Mining Methods; Choice of methods of developments and stopping and factors affecting the same; statutory provisions.

Primary and secondary Development; Level interval; block length; main haulage drifts high speed drifting; excavation and equipping of grizzly (conventional and mechanized), ore/waste bin, main ore-pass system, underground crushing, loading and hoisting stations, underground service chambers, sump etc.
Cross-cut and drifts; raises and winzes; ground breaking; mucking; ventilation and support; extension of track and other services; modern drilling and loading equipment; Alimak and Jora-lift raising, long-hole and vertical crater retreat (VCR) raising; Raise boring systems; mechanized winzing.

Stopping:- Classification, selection of stopping methods and applicability; stope layouts, stope preparation; production; operation ground breaking, mucking, ventilation, supports, haulage and dumping; stopping of narrow and wide ore bodies; mining of parallel veins; underhand, overhand, breast, long-hole and raise, resuing, room & pillar, sublevel, large diameter blast hole (DTH), cascade, shrinkage, vertical crater retreat, horizontal cut and fill, square set, top slicing, sub-level caving, block caving methods, combined open room, shrinkage and cut-fill and subsequent filling systems; design and construction of draw points; mechanics of draw and draw control procedure; recovery and dilution; problems of deep mining and the remedial measure; design and layout of stopes in rock burst prone mines.

Opencast Mining: Opening of deposits; preparation for excavation; box cut, types; site selection; formation of benches; rippability; types of rippers; cycle of operation; drilling; blast hole drills; performance parameters; requirement of number of drills; blasting; blast design; factors influencing blast design; deep hold blasting; calculation of charge per hole; ground vibration; secondary blasting and related problems; non-blasting techniques.

Discontinuous/cyclic methods of excavation and transport; shovel dumper operation; electric shovel and hydraulic excavators; cycle time and productivity calculation; estimation of equipment fleet; dragline operation; side casting; calculation of reach; cycle time; productivity calculation; bucket capacity requirement; scrappers bucket wheel excavator; (lateral block, half block and full block method etc.,) productivity calculation; continuous surface miner; (wide/full base, wide/full bench, block mining, stepped cut, empty travel back, turn back and continuous mining methods); conveyors; shiftable and high angle conveyors; in-pit crushing and strip-mining; safety aspect.

Application of concepts of Rock Mechanics for designing the methods of mining and strata control; Theories of ground movement and strata control; strength of pillars (crown/rib/sill/post) and shaft pillar; protection of surface structures; design and stability of structures in rock; design of support and reinforcement for underground excavations support resistance, yielding and non-yielding supports, dynamic and static loading, consolidated and unconsolidated fills, rock bolts, cable bolts, subsidence; caving of rock mass; problems of deep mining; rock burst; mechanics of rock fragmentation; slope stability and dump stability; dump management; roof management.

Use and safe handling of explosives; blasting techniques and their relative efficiency; total cost concept.