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

Mowater Talc MineGeneral DetailsAddressContact PersonMowater Talc MineM/s Puenzhi Export HouseSamtseTel No.: 17601345/05-365283Tshering DorjiPromoterTalc lumpsType of mineral minedStripping Ratio (Ore to Waste) 1:17Number of working days and Seasonal (180 days) and estimated annual production 1019 MTAnnual ProductionGeological/Mineable Reserve Estimated geological reserve 4130 MT and mineable reserve3300MTLeased Area and Period 7.6 hectares (2008 for 3 yrs)ObservationFor easier understanding, Mowater talc mine is divided into east and west side even though thearea fall within the same leased area.1. Mining Operation DesignPit slope AngleBench Height and Width2. Occupational Health andSafetySafety and Protective GearsWater, sanitation and First–Aid-Kit3. Waste and OverburdenManagementSanitary WasteTopsoilOverburden/Inter-burden,Undersize/Rejects/OthermaterialsMechanism of Dumpingand ArrestingPit slope Angle, BenchHeight and Length of WidthDevelopment work was carried out from top–down andpit slop varies in-between 45 to 55 0 .Bench heights were maintained between 7 to 15meters.Bench widths were kept between 1.7 to 7.5meters.The eastern part of the mine lies at the base of the gullywhich is almost flat.The management has provided the workers withprotective gears which were limited to helmets only.First-aid-kit and bathroom facilities were not availableat the site.Natural spring was available at the eastern side of themine which was used for drinking purposes.The 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.Pit slope was between 50 to 55 0 and there was nobenching. The height of the overburden dumped wasabout 20 meters.45