IM 2017 November 17 | Page 25

BIG DATA AND DIGITALISATION For the sub level cave, tunnelling in the host rock is complete and 6 of 11 tunnels are in production on the 1st level. In addition, a new Block 5 block cave is to be installed at 900 m by 2024. At Cullinan, production will increase to 2.2 Mct/y by FY 2019 (2 Mct ROM and 0.2 Mct from tailings). C-Cut Phase 1 is a new block cave being established on the western side of the orebody. Development work is transitioning from waste tunnelling in host rock to kimberlite, with the first rings in the undercut blasted in June 2015. Some 1 Mt ROM from new block cave will have been mined in FY 2017. The company argues that using spatial databases, automated or tele-remote machines, tunnel cutting machi