bids are invited for custom bid for services - transport of rom tubs from ch 2875 to otc and unloading of tubs into otc at minus 270 ft level underground 24 cft tub quantity of 36667 nos , custom bid for services - withdrawal of ore from otc at minus 470 ft level 32 cft tub quantity of 57500 nos , custom bid for services - pushing of loaded rom tub into cage and empty tub out from cage at minus 470 ft level 24 cft and 32 cft tubs quantity of 80000 nos , custom bid for services - pushing and unloading of rom and rock tubs from cage to bunker and bunker to cage at surface old system 88 mtrs 24 cft and 32 cft tubs quantity of 40000 nos , custom bid for services - pushing and unloading of rom and rock tubs from cage to bunker and bunker to cage at surface new system 2nd vertical shaft 24cft and 32 cft tubs quantity of 40000 nos