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Alternative Underground Ore Transport Systems for the Jaguar Base Metal Deposit

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Author W P Darcey, E K Chanda and M D Kuruppu
ID P201103028

Description

Jabiru Metals completed a feasibility study on the Jaguar Base Metal Project
in July 2005. The study was based on conventional truck haulage via a decline.
Conveyor haulage was considered but not in sufficient detail to provide a
meaningful comparison. The current study investigates the cost and productivity
of alternative ore transport systems for the Jaguar project. The options
considered are conventional underground truck, conveyor, road train, rigid frame
truck, monorail haulage and shaft hoisting. Shaft hoisting was not considered in
detail due to the high capital outlay for such a relatively short mine life of
less than six years. This study goes beyond the common approach of evaluating
haulage systems in isolation; it includes development costs, timing of ore
production and costs associated with mine services as well as administration and
milling costs. The results of this study indicate that the best haulage option
for the Jaguar project is conventional truck using the Hitachi AH400 trucks. The
net present value (NPV) for this option is A$8.13 million higher than the next
best option namely the Kiruna E635 electric truck. The conveyor option has the
lowest operating cost per tonne of ore but the longer development time
negatively impacts on its NPV. The monorail option is considered impractical due
to the number and length of trains required to achieve production targets.


FORMAL
CITATION:
Darcey, W P,
Chanda, E K and Kuruppu, M D, 2011. Alternative underground
ore transport systems for the jaguar base metal deposit, in Proceedings
11th AusIMM Underground Operators’
Conference
,
pp
235-244 (The Australasian
Institute of Mining and Metallurgy:
Melbourne).