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Table 21.11 Summary of Mining Operating Cost by Function
Item
Cost
(US$ million)
Cost
(%)
Cost
(US$/t mined)
Cost
(US$/t milled)
Drilling 136.6 3.8 0.10 0.34
Blasting 498.8 13.6 0.34 1.23
Loading 424.3 11.6 0.29 1.05
Hauling 2,596.8 71 1.79 6.40
Total 3,656.5 100.0 2.52 9.02
The open pit operating costs including the mining cost, site services, mine
engineering supervision, mine operations supervision, geology, administration, office
supplies, accommodations and travel for mine technical, operations, and
maintenance staff and light duty vehicle operating costs are summarized in Table
21.12.
Table 21.12 Summary of Open Pit Operating Costs
Item
Cost
(US$ million )
Cost
(%)
Cost
(US$/t mined)
Cost
(US$/t milled)
Drilling 136.6 2.8 0.10 0.34
Blasting 498.8 9.9 0.34 1.23
Loading 424.3 8.4 0.29 1.05
Hauling 2,596.8 51.7 1.79 6.40
Site Services 436.9 8.7 0.30 1.08
G&A 931.7 18.5 0.65 2.29
Total 5,025.0 100.0 3.47 12.39
OPEN PIT O PERATIONS MANPOWER
Total available working time was based on 350 d/a, 24 h/d for a total of 8,400 h/a.
The labourers will be working a schedule of two weeks on, two weeks off. Table
21.13 lists the proposed manpower for the open pit operation and maintenance
during peak operations (Year 7).
The labour details (Table 21.12) were prepared and estimated by Tetra Tech for the
purposes of this study, based on the required personnel for a 32,000 t/d open pit
mining operation. Rates from other similar Tetra Tech projects were considered for
the purposes of the PEA mining plan. An additional burden of 42.5% is considered
for health benefits, pension, overtime, training, bonus, etc.
Prophecy Platinum Corp. 21-13 1193460500-REP-R0001-02
Wellgreen Project Preliminary Economic Assessment,
Yukon, Canada