Major Mines Projects Silvertip MineSAG mill dimensions are 18 ft dia x 7 ft FF flange to flange and is equipped with a 1 000 hp motor while the ball mill is 11 ft dia x 14 ft 7 in FF and equipped with a 900 hp motor Coarse ore is reclaimed from the storage bin and is fed via a conveyor to the SAG mill which runs with very minimal ball charge due to over capacity of the mill SAG mill discharge join the ball mill discharge