1. Business improvement specialist: Industrial Engineer estimated value
added first 6 months (1/07/2014 - 26/01/2015
Estimated consultant
cost avoided
Estimated business decision
impact
Phoenix structure design R1mil (13 weeks) R135 mil YTD delivered
Optimize future mine layouts +-R62 166 (2 weeks) 130 000t production (R22/t)
70 000t double handling
Total syferfontein infrastructure
optimization and tipping point
+-R186 528 (6 weeks) R144mil capital investments
Tweedraai facilities +-R186 528 (6 weeks) 180 000t
Extra roofbolters +-R62 166 (2 weeks) R38mil
VSD belts +-R186 528 (6 weeks) Operating model understanding
Bottleneck behavior in various
conditions
+-R62 166 (2 weeks) Operations understanding
Pillar size increase effects +-R31 088 (1 week) Informed planning decisions
Cutting sequence investigation +-R186 528(6 weeks) Informed planning decisions
+optimization (+34 560 t)
Total exclude phoenix +-R1,839mil (27w) +-R189 mil

2. Business improvement specialist: Industrial Engineer estimated value
added last 6 months (26/01/2015 - 19/06/2015 )
Estimated consultant
cost avoided
Estimated business decision
impact
Shondoni simulation +-R186 528 (6 weeks) Correct strategy R10’ mil impact
Beltroad location +-R93 000 (3weeks) No effect
Increase plunge depth +-R93 000 (3weeks) 190tps (R56mil)
Beltroad support simulation +-R31 088 (1 weeks) Safety impact + 28 080t
Bunker car simulation +- R217581 (7 weeks) 22% production increase
SCS simulation +-R310 08 (10 week) Improved efficiency
Hydraulics external spend +- R372,996 R34 mil
Total exclude phoenix +-R1,295mil R100mil