re: Ann: Low Op. Costs Int. Optimisation Conf...
just plugged it in a spread sheet and came out with $2.35 per BCM I guess I got to eat my hat
user to make changes to yellow cells only need to know diesel consumption of machine overburden ore (recoverable) amount of ore to move total in BCMs 80000 cycle time loader/scraper
forward km/h 3 10 conversion variable time forward metres/second 0.83 2.78 distance overburden moved metres 40.00 distance ore moved metres 100.00 reverse speed km/h 5.00 10.00 conversion variable time reverse metres/second 1.39 2.78
forward time in seconds 48.00 36.00 reverse time in seconds 28.80 36.00 total variable time 76.80 72.00 fixed time 0.00 15.00 total cycle time seconds 76.80 87.00 cycle time in minutes 1.28 1.45 cyles hour when moved and travelled 46.88 41.38
loader/scraper bucket size in BCM 3.00 2.00 fill factor aggregate type 1.00 1.00 swell factor 1.14 1.14 metres ovenburden moved per hour 123.36 metres ore moved per hour 72.60
availability 80.00% average production rate hour 98.68 58.08
fuel and driver per hour $40.80 39.60 Rand M $10.80 9.60 $51.60 49.20 cost to move 1 BCM $ $0.42 $0.68 103.62 Strip ratio 1.00 cost to remove overburden $0.42 cost to return overburden + reclamation $0.42 overburden total cost per 1 BCM of ore $0.84
cost to move ore $ per 1 BCM $1.51
Cost of ROM ore per BCM $2.35
HAZ Price at posting:
22.5¢ Sentiment: None Disclosure: Not Held
