Wellgreen Project Preliminary Economic Assessment ... - OTCIQ.com

Table 21.7 Contingency (US$ million)
Pre-production
(2012 to 2018)
Sustaining
(2019 to 2054 )
Closure
(2051 to 2054 )
LOM Total
(2012 to 2054 )
Project Execution 4.7 0.0 0.0 4.7
Surface Facilities 138.3 0.0 0.0 138.3
Major Mine Equipment 28.0 104.3 0.0 132.3
Other Mine Equipment 1.4 6.0 0.0 7.4
Support Mine Equipment 0.2 1.1 0.0 1.3
Refurbish Power Plant 0.0 12.3 0.0 12.3
TMF 0.0 100.7 0.0 100.7
Closure 0.0 0.0 12.2 12.2
Total Contingency 172.6 224.4 12.2 409.2
21.2.5 PROCESSING E QUIPMENT CAPITAL COSTS
The capital costs for the process equipment were derived from those in the
equipment list shown in Table 21.8. These are the main pieces that have been used
to determine the capital and operating costs.
Table 21.8 Major Process Equipment List
Equipment Quantity Size
Stockpile Feed Conveyor 1 200 m long x 106.7 cm wide
Primary Jaw Crusher 2 122 cm x 152 cm
SAG Mill Feed Conveyor 2 200 m long x 106.7 cm wide
SAG Mill and Drive 2 7.0 m diameter x 3.0 m long
Grinding Mill Liner Crane 4 -
Ball Mills and Drives 2 6.24 m diameter x 14.68 m long
Primary Rougher Flotation Cell Bank 2 10 Cell; 14.2 m 3 /cell
Secondary Rougher Feed Thickener 2 122 m diameter
Secondary Rougher Flotation Cell Bank 2 10 Cell; 111 m 3 /cell
Primary Cleaner Flotation Cell Bank 2 10 Cell; 14.2 m 3 /cell
Secondary Cleaner Flotation Cell Bank 2 10 Cell; 8.5 m 3 /cell
Scavenger Flotation Cell Bank 2 10 Cell; 200 m 3 /cell
Air Compressor 2 235 cm capacity
Concentrate Thickener 2 15.2 m diameter
Concentrate Pressure Filter 2 121 m 2 filtration area
Tailings Thickener 2 122 m diameter
The costs for these pieces of equipment were compiled from the InfoMine, Mine and
Mill Equipment Costs: An Estimator's Guide 2011, as well as historic data from other
projects. Historical pricing was escalated to Q2 2012 dollars using InfoMine cost
indices. InfoMine Estimator’s Guides are annual collections of industry prices for
Prophecy Platinum Corp. 21-5 1193460500-REP-R0001-02
Wellgreen Project Preliminary Economic Assessment,
Yukon, Canada