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GPCL OVERMAN EXAM SYLLABUS

GPCL OVERMAN EXAM SYLLABUS

Syllabus for the post of Overman
(A) General knowledge / Current Affairs: History, geography, culture, sports, scientific
research, knowledge of current events, general politics, Indian constitution, science - inventions
& discoveries, economy, banking, finance, capitals, current affairs.

(B) Mine Legislation and General Safety: The Mines act, mines rules, coal mine regulation,
mines rescue rules, provisions of Indian electricity rules applicable to mines; mine vocational
training rules, mine crèche rules other rules and legislation applicable to coal mines. Safety in
mines, risk management, First-aid, sanitation and health, Lighting, Silicosis and pneumoconiosis,
mine disease, its symptoms, prevention and treatment.

(C) Mine Development, Mining Methods and Surveying: Geology, nature and occurrence of
coal seams, geological features of coalfields, methods of boring, borehole survey, interpretation of
geological maps. Methods of access to deposits, developments and layout of mines including
surface and underground arrangements, choice of mining coal seams and factors affecting on it,
box cut, types of selection of site, formations and productions of benches, types of rippers, blast
hole drills, requirement of number of drills, bench design parameters, performance parameter,
blast design, calculation of charge per hole, ground vibrations, secondary blasting, side casting,
properties of explosives and its accessories, use and safe handling of explosives, blasting
techniques, continuous and cyclic mining, rock mass classifications, dynamic and static loading,
measuring instruments, mechanics of rock fragmentation, slope stability, dump stability, dump
management, safety aspects and statutory provisions. Introduction and basic principles of
surveying, Linear and angular measurements, dial, Levelling, Controlled survey, Correlation,
Types of plans their preparation, care, storage and preservation; legislation concerning mine plans
and sections; duties and responsibilities of surveyors, statutory provisions.

(D) Mining Machineries and Mine Electrical: Generation and transmission of mechanical,
hydraulic and pneumatic power, wire ropes constructional details, applications, mechanical
properties and breaking load and factor of safety, fleet angle, inspection and rope capping and
splicing, Mine winder and its types and applications, drives and control systems, brakes, cage,
skip, counter weight, motor power calculation, safety devices, non-destructive tests, statutory
provisions. Underground and surface machinery use in coal mining, safety, maintenance and
calculations, locomotives, conveyor systems, aerial ropeways, coal handling plants, mine pumps,
types, characteristics, sumps, pumping problems, statutory provisions. Generation, transmission
and distribution of electrical power in mines, power economics, tariff plans, power factor
improvements, substation arrangements, cables, switch gears, protective devices, circuit breakers,
gate-end-box, earthing, flameproof enclosures, intrinsic safety, and use of high voltage operational
equipment in mines, statutory provisions.

(E) Surface Environment, Mine Ventilations and Hazards: EIA (Environment Impact
Assessment), EMP (Environment Management Plan), ETP (Effluent Treatment Plant), STP
(Sewerage Treatment Plant) threat to environment from underground and surface mining, means
of mitigation, acid mine drainage (AMD) treatment of pollutants, monitoring systems, water
management; mine closure plan; R&R (rehabilitation and resettlement), statutory
provisions. Mine atmosphere, Mine gases, flame safety lamp; methanometers and multi-gas
detectors; gas chromatograph; methane layering; monitoring of different gases; telemonitoring;
coal bed methane/coal mine methane, Heat and humidity, geothermal gradient, Air-flow in mines,
Natural Ventilation and Mechanical Ventilation, Airborne dust, statutory provisions. Mine fires
and dealing with it, Mine explosions, Fire extinguishers, Mine inundation, rescue and recovery in
mines; rescue apparatus; organization of rescue work; emergency preparedness and response
system, statutory provisions