This document summarizes a case study of Visagio helping Nordgold, an international gold mining company, optimize its spare parts inventory management. Visagio embedded a team at Nordgold's Taparko mine in Burkina Faso who analyzed the mine's spare parts data and processes. They found the data was unreliable and processes unclear. Using a proprietary optimization tool, they simulated inventory processes and optimized stock levels and parameters. This reduced unnecessary stock, improved collaboration between departments, and saved Nordgold over $1.5 million in one quarter through more efficient spare parts management.
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Breaking the Binds
1. October 2014
Breaking the Binds: Achieving Working Capital
ReleasethroughSparesOptimization
Asolutionforasset-intensiveindustriesinchallengingandremoteenvironments
By Igor Queiroz, Weber Pimenta, EkaterinaYukhanova & Len Pannett
In todays competitive business environment, enterprises are under extreme pressure to become more
profitable. Asset-intensive industries increasingly have to reduce their working capital, improve reliability
and minimise downtime. Achieving satisfactory uptime in operations is necessary to achieve those goals
but it is not enough: cost savings are needed and optimising maintenance, operations and repair (MRO)
spares is a proven approach to do realise those.
2. THE COMPLEX SITUATION
The ideal state of operations for any company is
one where processes, people and technology are
integrated across Original Equipment Manufac-
turers (OEMs), third-party suppliers and service
providers, with each component fully coordinated
and running like a well-oiled machine. Many com-
panies aspire to this level of maturity but struggle
to achieve better harmony in their key activities
within their supply chain.
The challenges are many: overstocking, obso-
lescence, stock-outs, and erratic and unplanned
demand. These are compounded where usage
information is unreliable because of the poor qua-
lity of master data and transaction records, lax
and inefficient procurement processes, and a lack
of meaningful communication between internal
functions. The unorthodox characteristics of spa-
re parts demand and supply then turn the reple-
nishment process into a complex task.
2
Figure 1: Complex situation of supply chains, especially in remote areas
THE PAIN POINTS
Four principal issues are common to operations
with extensive inventory and MRO spares acti-
vities, particularly those in asset-intensive indus-
tries such as infrastructure, mining, oil and gas,
and energy production.
1. Inaccurate, incomplete or misleading mas-
ter data
Master data management is the foundation stone
of effective, efficient and economic operations,
and many companies data is less than reliable
and often a mess. With stock accuracy a critical
KPI in the service and maintenance environment,
inaccurate data leads to a misleading picture, cau-
sing over-buying and over-inflated safety stockpi-
les. Managing spares inventory levels optimally
becomes practically impossible where stock data
is incomplete or error-ridden, with the result that
working capital is tied up unnecessarily.
3. Records of fixed asset must have a link directly to
the relevant spares details, contributing to overall
stock management and helping to avoid obsoles-
cence. Problems occur in ERP systems when,
for instance, processes to create and update item
data are not closely controlled, and where free-
-text is permitted to describe them, resulting in
multiple entries for the same item. Where data
is sub-standard, the scope for cost savings and
process efficiencies becomes limited.
2. Poor integration between key functions
causing unplanned demand
The main players in an integrated inventory mana-
gement organisation are:
Sourcing and Procurement
Finance and Asset Management
Operations and inventory management
All too often, each has its own misaligned goals
and agendas, collaboration between them is la-
cking, and the different performance objectives all
lead to sub-optimal inventory management, high
procurement costs and excessive stock holding.
Similarly, there is often a lack of understanding
in the organisation of the forces at play in each
of the functions. Language difficulties, and va-
rying commercial and international cultural nor-
ms, particularly in situations where operations are
remote from headquarters, complicate matters.
Conflicts then occur between sites, causing du-
plication or scarcity of inventory where and when
it is needed, and ultimately waste.
Improving the collaboration between the supply
chain functions, with internal customers and,
where suitable, external suppliers, especially in
3
the maintenance and engineering areas, quickly
realises opportunities for a simultaneous reduc-
tion in inventory costs and an improvement in
service levels. That collaboration extends to ha-
ving open and common communication between
sites, employing tools and techniques to ensure
alignment across language and cultures.
3. Procurement inefficiencies and warehouse
issues
All too often, the Procurement function is blamed
erroneously for the non-availability of spares. Lo-
cal procurement staff are often guided by their
global Head Office on safety stock levels and the
use of preferred suppliers, with advice conflicting
with the realities and practicalities on the ground.
The supply base may be fragmented and service
level agreements not adhered to, or even be non-
-existent, resulting in inefficiencies and waste.
Moreover, overly complex procurement systems
and misaligned processes in the same organiza-
tion exacerbate the situation.
Stock outs are a common feature in these situa-
tions mainly due to poor inventory management
and forecasting. Conversely, overstocking will
arise from a lack of data and outdated processes.
In parallel, obsolescence is often managed retro-
actively rather than proactively, or even when it
is actually occurring, resulting in many unusable
parts in the inventory, thereby increasing wa-
rehousing costs.
4. Long, undefined and ambiguous lead times
For MRO spares, long lead times are often the
norm, especially when dealing with operations
across international borders, particularly in emer-
ging markets where infrastructure is less than ide-
4. al. As a result, spares are often not in the right
place at the right time, with a resultant friction
between the supply chain, procurement and end
user communities, ultimately affecting operations
and service levels.
All of these factors impact on the ability of the
enterprise to function at the desired level. There
may be surplus stock of some vital spares and,
at the same time, frequent stock outs of others.
The lack of a fully functional re-stock process is
more than inconvenient: it can be very costly.
ADDRESSINGTHE COSTS
Organizations are always striving to become more
profitable: improving revenue generation is clearly
one goal but when opportunities for increased sa-
les are scarce and market conditions depress pri-
ces for commodities, costs must be contained and
systems of processes made more efficient overall.
Reducing the costs of ordering, storing and main-
taining spare parts is a critical element in contai-
ning the costs of maintenance and repair opera-
tions. In turn, optimal spares management will
not be possible without a clear understanding of
all the moving parts of the inventory management
system, the various events that affect it, and the
actions and hurdles faced when planning, reques-
ting, purchasing and receipting of spare parts.
However, pressured day-to-day operations do not
always allow time for internal teams to examine
the critical problem areas closely, and a lack of
planning and forecasting, inefficient buying, and
poor inter-departmental communication are not
always visible to those immersed in it.
Based on our experience in the extractives sec-
tors, we have found that companies typically have
an excess of 10% to 30% in spare parts by value
above the levels necessary to maintain operations
with a reasonable level of risk. At the same time,
we have also found that critical parts are normally
below the required levels to protect asset availabi-
lity, and non-critical parts are frequently above the
necessary level of stock.
By engaging directly with the organisation facing
these challenges, on-site at their operations, we
can build trust and assist operational management
to collaborate and identify the issues that are im-
portant to each of them. From that start, priority
issues can be tackled in a co-ordinated manner, ty-
pically by a small, dedicated, on-site team of expe-
rienced inventory and supply chain specialists. This
may be at the mine, the production platform, or at
the construction site. The team will use a structu-
red approach for data collection, analysis and, by
using a tuned optimisation tool which minimises
software costs, resolve them sustainably. In paral-
lel, the on-site managers are guided in the ongoing
use of the analytical tool, adapting its parameters
to changes in the situation of the operations.
We have also found that a key means of ensuring
collaboration between maintenance, inventory
and supply chain management is to instil a com-
mon understanding that inventory optimization
is not simply inventory reduction, and that it only
works when inventory is first identified and mana-
ged across all parts of the supply chain.
SUCCESS FACTORS
Every organisation wants to free up their working
capital, and many choose to optimise their MRO
5. spares to do so. However, few achieve the le-
vels of success that they look for. In mid-size,
asset-intensive businesses in remote locations,
traditional methods of optimising stock levels and
replenishment systems do not apply. It is our
view that there are typically four key success fac-
tors necessary to lower costs, reduce stock levels
streamlined procedures and satisfy service level
requirements:
1. Employing a dedicated, experienced,
multi-cultural, hands-on work team, embedded
on-site at the clients premises, which develops
a rapport with the local team, digs deep and un-
derstands the real problems.
2. Collecting and analysing data, starting
with ensuring the accuracy of stock data and then
employing a simple analytical tool to simulate
the inventory processes, before optimising the-
se to provide the necessary new processes and
accompanying stock levels. This tool should not
require staff to have any technical knowledge, and
the staff should be trained on how to use the tool
in order to be confident and self-sufficient.
3. Aligning the various parts of the supply
chain operations and implementing workable
and sustainable solutions across all components,
from purchasing and operations, to disposal.
4. Providing occasional on-going assurance
and guidance to ensure that new processes are
embedded sustainably. These can be carried out
through periodic local audits, or remotely with
dashboard-style reports.
By working through these steps, with the right
team, and ensuring that changes are embedded
and sustainable, MRO optimisation targets can
be achieved.
THE NORDGOLD CASE STUDY
Nordgold (LSE: NORD) is an international pure-
play, emerging-markets gold producer, estab-
lished in 2007 and publicly traded on the London
Stock Exchange.
Over the last few years, it has expanded rapidly
through carefully targeted acquisitions and organ-
ic growth, achieving a rate of growth unmatched
in the industry during that period. Nordgolds gold
production increased to from 717 thousand ounc-
es in 2012 to 924 thousand ounces in 2013.
The Company operates nine mines in Russia, Ka-
zakhstan, Burkina Faso and Guinea and it employs
more than 10,000 workers.
With changes in the commodity market and with
a view to improve its cost basis, Visagio was en-
gaged by Nordgold to investigate the utilization
and management of spares at two mines in Bur-
kina Faso over a ten-week period, starting with
theTaparko mine in Burkina Faso, located 200 km
from the capital, Ouagadougou.
6. At that mine, sixty percent of the purchases are
imported and many orders take three to four
months to arrive by rail or road from the port of
Abijan, in neighbouring Cote dIvoire, or from
Tema in Ghana.
At the outset, the situation at the mine site was
found to be typical: the database of spares
was not reliable, the criticality of spares was ill-
defined, their re-reorder points werent planned,
and there were several outdated processes, with
unclear roles and responsibilities. Installed at the
mine site,Visagio engaged with the local manage-
ment team to fully understand the issues on-site
in depth, and then develop a pragmatic approach
using our proprietary MRO Optimisation tool.
By following our methodology (see Figure 2), the
MRO Optimisation tool was used to simulate the
inventory processes and the parameters of that
inventory. These rules included unit cost per
item, forecasted usage, actual consumption, in-
ternal and external lead times, and the service
level requirements from the supplier.
From this basis, the stock parameters were opti-
mised, with a continual evaluation of actual versus
mapped consumption. The resulting workbook
become the main modelling and optimization
tool, helping to identify issues and their root caus-
es, with the result that unnecessary items are not
purchased, stock levels are reduced over time,
and the management of obsolete stock is trans-
formed. Inter-departmental collaboration is also
significantly improved by clearly and openly defin-
ing roles and responsibilities, and by empowering
the staff through up-skilling inventory manage-
ment skills.
Figure 2:TheVisagio approach to MRO Optimisation
7. www.visagio.com Copyright 息 2014 Visagio All rights reserved
EkaterinaYukhanova is the Procurement Director at Norgold and has led
that function since 2011. She was previously the Head of Raw Materials
Supply in Severstal, the mining division of Severstal-Resurs, and she is a
former consultant at A.T. Kearney, where she was part of the operations
and purchasing practice.
Len Pannett is a Partner atVisagio, focussed on helping clients with their
operational strategy challenges, particularly in the areas of supply chain
and complex programme management. He also has 11 years previous
experience in engineering management in the defence sector. Working
with clients across the globe in a broad cross section of industry sectors,
he is a Chartered Engineer and an APICS CSCP Practitioner. Len holds
an MBA, and has undergraduate degrees in Electronic Engineering and
Mathematics.
Igor Queiroz is a Project Manager at Visagio EMEA, with considerable
expertise in inventory management, and warehouse and transportation
design and optimisation. He has delivered projects for key clients in the
Mining, Oil & Gas and Retail sectors. Igor holds an MBA in Logistics,
Operations and Technology from COPPEAD and RSM Erasmus, and a
B.Sc in Computer Science.
Weber Pimenta is a Managing Partner at Visagio and has considerable
experience in the oil & gas, mining, biofuels and pharmaceuticals indus-
tries, delivering projects worldwide. He is a supply chain specialist,
with expertise in supply chain and operations transformation, network
optimization, S&OP planning and implementation, demand forecasting,
warehousing and inventory management. He holds a Master Degree in
Industrial Engineering from UFRJ and is a Guest Speaker at Ohio State
University on Supply Chain and Logistics matters.
4
The analysis of the stock done byVisagio allowed us to quickly respond
to demand from the end-users. We saved in excess of US$ 1.5 million in one
quarter of 2014 due to their support. The tool created by Visagio was very
helpful, and we could quickly create requisitions for the restocking process.
Monthly stock monitoring allows us to see where we can improve the stock
position and resolve issues with end users on an on-going basis.
Yvan S辿vin, Logistics Director,
Nordgold - Burkina Faso