Syllabus for Winning and Working - Metal Restricted(FMC)
Winning and Working
Geology: Characteristics and classification of mineral deposits; application of geology to mining; geological structures; folds, faults, fractures, fissures etc. methods of exploration and delineation of the ore bodies; boring through disturbed strata; bore hole survey; sampling; estimation of cut-off grade and ore reserve; losses of mineral in mining; net smelter return (NSR) to mill and mine; mine valuation; quality control, interpretation of geological maps.
Opencast Mining: Opencast of deposits and preparation for excavation; box cut, types; selection of site; formation of production benches; ripping; types of rippers; concept of rippability and 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 problems of blasting side casting; environment friendly nonblasting techniques; safety aspects. Discontinuous/cyclic methods of excavation and transport; shovel dumper operation; applicability of electric shovel and hydraulic excavators; cycle time and productivity calculation; estimation of equipment fleet; dragline operation; side casting; side cast diagram; calculation of reach; cycle time; productivity calculation; bucket capacity requirement; scrappers; types; methods of work; push pull operation etc., bucket wheel excavator; operational methods (lateral block, half block and full block etc.,) productivity calculation; continuous surface miner; operational methods (wide/full base methods, wide/full bench, block mining, stepped cut, empty travel back, turn back and continuous mining methods); conveyors; shiftable and high angle conveyors; mode of operation etc;, OITDS (operator independent truck dispatch system); in-pit crushing and strip-mining; safety aspect.
Application of concepts of Rock Mechanics for designing the methods of mining and strata control; Design and stability of structures in rock; design of support and reinforcement for open pits; rock bolts, cable bolts; wire mesh; monitoring of rock mass performance, mechanics of rock fragmentation; slope stability; slope angle, benches, berms, factors affecting slope stability, design criteria and monitoring systems; dump stability; dump management. Use and safe handling of explosives; blasting techniques and their relative efficiency; total cost concept safety precautions. Sources of danger from water; precautions to prevent inundation; water dams; water danger plans. Application of numerical modeling in mine design application of computers in mine design and operational controls.