DRIVERS, MEASURES AND REWARDS FOR PRODUCTIVITY AND FINANCIAL IMPACTS/ BENEFITS IN THE MINING VALUE CHAIN AT BATHOPELE, KROONDAL AND MOTOTOLO MINES: AN INVESTIGATION OF IMPACTS FROM SHORT TERM PLANNING TO MILL Paskalia Ndapandula Neingo A project report submitted to the Faculty of Engineering and Built Environment, University of the Witwatersrand, Johannesburg, in partial fulfilment for the degree in Master of Science in Engineering (Mining). Johannesburg, 2014