The mining operation be by conventional truck and shovel open cot methods with a multibench system layout giving optimum scheduling flexibility for the mining of the coal seams.
The overburden/interburden will be loaded by 100 tonnes excavators into 50 tonnes rigid or 35 tonnes articulated dump truck and transported to the disposal area. Disposal will be in the nearby valley or later into mined out areas as backfill.
Initial mining is in Uong Thuong with the Dong Vong mine commencing at the beginning of year-3. Dong Vong area which has lower reserves and lower strip ratio will be used to control the overall strip ratio to an economical level and produce coal for blending to maintain consistent coal quality and annual production quantity.