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MINTREX STUDIES AND PROJECTS
Mintrex Studies
Mintrex has completed many studies over the years in Australia and internationally, including
several projects that have been banked on the back of our studies.
Company
Excelsior Gold
Roxgold
Sandfire Resources Oxide
West African Resources
Ampella
Azimuth Resources
Phoenix Resources
Saracen
Sandfire Resources Sulphide
Lynas Corporation
Regis Resources
Alkane Resources
Perseus Mining
Sandfire Resources Sulphide
Sandfire Resources Sulphide
Project
Detail
Location
Study
Type
Study
Completion
North Kalgoorlie
Yaramoko
DeGrussa
Mankarga 5
Batie West
West Omai
Castle Hill
Carosue Dam Upgrade
DeGrussa
Mt Weld Upgrade
Garden Well
Tomingley
Tengrela
DeGrussa
DeGrussa
1.0 Mtpa Au
0.27 Mtpa Au
1.6 Mtpa Cu
1.6 Mtpa Au
3.0 Mtpa Au
1.5 Mtpa Au
2.0 Mtpa Au
2.0 to 3.4 Mtpa Au
1.5 Mtpa Cu
240,000 tpa ReO
4.0 Mtpa Au
1.0 Mtpa Gold
1.6 Mtpa Gold
1.0 Mtpa Cu
1.5 Mtpa Cu
WA
Burkina Faso
WA
Burkina Faso
Burkina Faso
Guyana
WA
WA
WA
WA
WA
NSW
Cote d’ Ivoire
WA
WA
PFS
DFS
Scoping/PFS
Scoping
FS
Scoping
DFS
DFS
DFS
DFS
DFS
DFS
DFS
PFS
Scoping
2014
2014
2014
2014
2013
2013
2013
2012
2011
2011
2011
2011
2010
2010
2010
Recent Significant Studies by Mintrex
Mintrex collects metrics against their study and project estimates to gain a better
appreciation of how well we are performing in terms of estimate accuracy.
Mintrex Projects
Mintrex has completed projects in roles as varied as Client Representative and Construction
Manager, although most have been either EP (engineering and procurement – typically for
operating companies who owner-construct) or EPCM (engineering, procurement and
construction management) roles.
Some examples of EP project estimate accuracy history are included below:
The following projects were engineering and procurement (EP) projects completed by Mintrex where the client
constructed the plant. In all cases the EP was performed as a lump sum and variations were specific client requests,
acknowledged as not in scope at the time they were requested. In all cases the (client requested) variations were not
more than 12% of the lump sum originally contracted and in two of the contracts (Moolart Well and Garden Well) there
were no variations to the contract claimed. The cost performance index (CPI = earned value/ actual cost =
budget/actual cost, when complete) has been drawn from client feedback and the public record. In all cases the
schedule performance index (SPI) is unknown, because the construction management was not undertaken or reported
by (or to) Mintrex.
Project
EP$
Bonikro
$3.45M
Moolart Well
$2.72M
none
Garden Well
$5.54M
none
Rosemont
Garden Well Upgrade
$850k
$690k
Variations$
none
CPI
DFS$
Final$
~0.9
$36M
~$40M#
~1.05
$56M
$53M
~0.99
$83M
~$84M
$83k
+
DFS not estimated by Mintrex – scoping only
$79k
+
DFS not estimated by Mintrex – scoping only
#
Bonikro sold into merger before completion … negative FOREX impact upon budget
+
Shop detailing added
EP Project Estimate Accuracy
Mintrex Projects and Studies
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Some examples of EPC and EPCM project estimate accuracy history are included below:
The following projects were completed as detailed feasibility study (DFS) projects by Mintrex and then awarded to
Turnkey/EPC contractors for project implementation.
Project
DFS$
EPC Award$
Edikan (Ayanfuri)
$78M
~$68M
final award at higher price 5.5Mtpa --> 6.5Mtpa
Sissingue (Tengrela)
$65M
unknown
project design-only awarded and then on hold
Sandfire DeGrussa
$100M $91M
two main contracts for plant@
@
Other works also included multiple contracts ~$80M for infrastructure such as bulk earthworks, roads, camp, airstrip,
tailings storage, paste plant and underground mine support buildings.
Most recently on the Tomingley Gold project, Mintrex performed the EPCM and the project metrics were:
Project
CPI
SPI
Budget $
Final Cost$
Tomingley
1.02
1.0
$116M
$113.7M
The SPI was 1, with ore to the plant one day ahead of schedule.
EPC and EPCM Project Estimate Accuracy
Mintrex has completed a number of brownfield upgrade projects in both Australia and
internationally, with brownfield projects recently completed in Australia, Mali, Ghana and in
the Philippines. The Mintrex scope within these projects has focused on the client
requirements to complete their project. On different occasions, the engineering and support
provided has included option studies, process optimization, re-engineering, equipment
upgrades and replacement, remedial and repair work, procurement support for contracts,
engineering design and expediting, project management, construction management and
client representation.
Recent commissioning photo from the Mali installation,
which is a low cost pebble crushing application (limited
mine life). This design, including shop detailing, was
completed for a lump sum price.
The works were owner-constructed in Mali.
Commissioning time from connection of power and
commencement of electrical and mechanical testing,
until plant running was achieved in less than 5 days.
Mintrex Projects and Studies
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A list of recent significant projects completed by Mintrex is provided below.
Company
Roxgold Inc.
Alkane Resources Ltd
Sandfire Resources NL
Endeavour Resources Ltd
OceanaGold Ltd
Endeavour Resources Ltd
Regis Resources Ltd
Millennium Minerals NL
Regis Resources Ltd
McArthur River Mining Ltd
Regis Resources Ltd
POAGS Pty Ltd
Kimberley Metals Group Ltd
Regis Resources Ltd
Lynas Corporation Ltd
Galaxy Minerals Ltd
Equigold NL
Project
Detail
Location
Project
Type
Project
Completion
Yaramoko
Tomingley Gold Project
DeGrussa Pebble Crusher
Nzema Pebble Crusher
Didippio Pebble Crusher
Tabakoto Pebble Crusher
Garden Well upgrade
Nullagine Gold Project
Rosemont Gold Project
MRM Upgrade Project
Garden Well Gold Project
Port Hedland Port Storage
Ridges Project Windham Port
Moolart Well Gold Project
Mt Weld Project
Mt Cattlin Project
Bonikro Project
0.25 Mtpa Au
1Mtpa Au
1.6Mtpa Au
1Mtpa Au
1Mtpa Au
1Mtpa Au
7Mtpa Au
1.5Mtpa Au
1.6Mtpa Au
5.5Mtpa Zn-Pb
4Mtpa Au
7Mtpa Fe
2Mtpa Fe
2Mtpa Au
0.25Mtpa RE
1Mtpa Li
2Mtpa Au
Burkina Faso
NSW Australia
WA Australia
Ghana
Philipinnes
Mali
WA Australia
WA Australia
WA Australia
Qld Australia
WA Australia
WA Australia
NT Australia
WA Australia
WA Australia
WA Australia
Côte d’Ivoire
EP
EPCM
EP
EP
EP
EP
EP
EPCM
EP
Mech Design
EP
EP
FEED
EP
CM
EPCM
EP
2014
2014
2014
2014
2014
2014
2014
2013
2013
2013
2012
2012
2011
2010
2010
2009
2008
Recent Significant Projects Implemented by Mintrex
Mintrex Projects and Studies
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