Compliance Monitoring Report for Mines and Quarries - National ...

Lower Kharipakha Talc MineLower Kharipakha Talc mine is located below the Kharipakha west. The approach road to themine is about 2 km from Daurpani Industrial area which passes from the base of the Kharikholastream. The waste dump-yard of Kharipakha mine is situated above the mine.General DetailsAddressContact PersonLower Kharipakha Talc MineM/s Eastern T.P. MinesSamtseTel No.17626090Tashi PhuntshoPromoter (17626090)Talc lumpsType of Mineral MinedStripping Ratio (Ore to Waste) 1:3Number of working days and Seasonal (180 days) and estimated annual production 1000 MTAnnual ProductionGeological/Mineable Reserve Estimated geological reserve 2990 MT and mineable reserve2540 MTLeased Area and Period 4.73 hectaresObservationDuring the time of monitoring, it was found that mine was not in operation.1. Mining Operation DesignDevelopment work was carried out from top–down andPit slope Anglepit slope was ≤50 0 .Bench Height and Width Bench heights were maintained between 3.4 to 30.6meters.2. Waste and OverburdenManagementSanitary WasteTopsoilOverburden/Inter-burden,Undersize/Rejects/OthermaterialsMechanism of Dumpingand ArrestingPit slope Angle, BenchHeight and Length of WidthBench width were at 40.6 metersThe management has not provided disposal facilitatesfor sanitary waste.Top soil was not stored separately but it was disposedalong with the overburden.The overburden generation was very high. Overburdenwas disposed downhill in an identified waste dumpyardin the pit plan.Check dam made out of gabion wall was constructed atthe base of the dump-yard.Overburdens were washed down causing siltationproblem of Khanarbarti-Kharikhola basin and rise inriver bed.5. Approach/AccessRoad ConditionsWater Drainage SystemA seasonal approach road measuring about 3 km,takes-off from Daurpani industrial area.There is no side drain and cross drain to channel thesurface water.43