2008 PFS, pg 368
http://www.copperfoxmetals.com/i/pdf/Updated_Amended_Technical_Report_5.20.10.pdf
Table 25.33 Capital Cost Summary Total ($Ms)
Mine Facilities $50.4
Primary Crushing & Coarse Ore Conveying $85.8
Coarse Ore Reclaim $125.9
Grinding & Pebble Crushing $317.5
Bulk Flotation & Regrind $133.0
Copper-Molybdenum Separation $6.0
Copper Concentrate $14.5
Molybdenum Concentrate $4.1
Tailings Handling $35.2
Tailings Pond & Water Reclaim System $17.3
Tailings Impoundment $173.3
Reagents $14.6
Plant Services $33.8
Buildings & Ancillary Facilities $39.9
Site Development $264.2
Contracted Directs $1,315.5
Common Distributables $399.1
EPCM [Engineering, Procurement, and Construction Management] $211.0
Contracted Indirects $610.1
Owner’s Cost [?] $459.8
Subtotal $2,385.3
PST Taxes $28.6
Contingency $536.5
Total $2,950.4
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The $1/2 Billion "contingency" may be one target to reduce Capex. Perhaps there is a way to quantify the risk and narrow this a bit. I don't see anything that would be immune to inflation.