business profile / capability statement -...

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PWA Company Registration Number : 876209 P B2703 Kiaramas Sutera 7 Jalan Desa Kiara Mont Kiara 50480 Kuala Lumpur Malaysia : + 60 3 263 03415 Mob : + 60 19 347 7468 E-Mail :[email protected] www.pwaltd.net Skype : pwa-peter BUSINESS PROFILE / CAPABILITY STATEMENT 2012 Metallurgical Process and Laboratory Consultant, Process Development & Design & Project Management. Project Development the Mining & Minerals Industry.

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PWA Company Registration Number : 876209 P

B2703 Kiaramas Sutera 7 Jalan Desa Kiara

Mont Kiara 50480 Kuala Lumpur

Malaysia

: + 60 3 263 03415 Mob : + 60 19 347 7468

E-Mail :[email protected] www.pwaltd.net

Skype : pwa-peter

BUSINESS PROFILE / CAPABILITY STATEMENT

2012

Metallurgical Process and Laboratory

Consultant, Process Development & Design

& Project Management. Project

Development the Mining & Minerals

Industry.

PWA

PWA Limited was originally founded in late 1999 with the objective to provide consulting services, project

management, process design and development as either an independent or in association with other contracting /

consulting companies, internationally. PWA via is wide range of associates, also has the capability to additionally

provide Mining Project Evaluation, Engineering Design, Fabrication, Supply, Construction and Commissioning

Services for the Mining and Minerals Industry.

Areas of Expertise & Service include :

Management

Management of mining, processing & laboratory operations & projects

Project Evaluation

Evaluation of mineral deposits, preliminary metallurgical assessment (“red flagging exercise”).

Financial

Project evaluation, audits & assistance in the preparation of competent persons reports to financial institutions

& stock exchange.

Process Design

Process development & design for precious metal, industrial mineral & base metal projects.

Research & Development

Research & development of process innovations

Consulting Services

Process consulting services to mining groups, consultants & financial institutions.

Laboratory

Laboratory design, management, audit & QC. Development & management of metallurgical test work programmes.

Engineering Design, Fabrication and Supply

Provision of Engineering & Design Services as well as Fabrication and Supply of Structural Steel, Platework and

Equipment Manufactured under Licence to the Highest Quality Standards.

Construction and Commissioning Services

Project Construction and Commissioning Services of Small, Medium and Large Scale Projects.

The success of PWA in past endeavours coupled with a reputation in the minerals industry will ensure the

success of PWA in achieving the overall objectives, and indicates commitment to this strategy. The diverse

experience of PWA ensures that a holistic approach is maintained whilst maintaining sight of the client’s needs,

requirements and philosophies.

PWA

Why PWA?

We have Extensive experience in the extractive metallurgy of gold, base metals and minerals as well as many of

the refining techniques applied. Our experience extends into laboratory development, research and management

as well as evaluation of deposits and projects and has been extended to incorporate Mine Project Evaluation and

Development.

We offer our clients the following :

Proven track record in project management

Appropriately engineered technical solutions

Cost effective, competitive service

Project development either as contractor or through partnerships

In-house process, project development experience and expertise.

Diversity of experience and expertise for effective identification, evaluation, development and

management of metallurgical, laboratory and process related projects worldwide.

Associations and strategic relationships to contribute to all facets of mining project development

and execution.

Reputation

Key success factors to achieve this goal are:

develop and make use of strategic alliances, associations and partnerships

identification of real needs and requirements in the mining industry

identification of cost effective, appropriate and efficient process routes and processes

provide a balance of innovative and conservative process solutions

to operate as part of and supplement the client’s team and act in the client’s best interest

honesty and

integrity

focus on

professional

customer service

maintain a balanced

portfolio of

business

operate world-wide

on a selective basis

PWA

Management

Peter Wallwin has had extensive experience in the management of both business units as well as overall

management of projects.

General management experience includes;

General Manager - Bonanza Gold Mines (The Messina Transvaal Development Company Limited) – appointed

general manager of a 50 000 tpm underground and surface reclamation gold operation.

General Manager (Time Mining (Pty) Limited) – General Manager of Performance Laboratories (Ghana) Limited

and West African Operations. Performance Laboratories provides a comprehensive range of analytical and

metallurgical services to international standards in West Africa

General Manager Rustenburg Ferrochrome Reclamation Facility (Reclatek (Pty) Limited) – General Manager of a

50 000 tpm ferrochrome alloy from dump reclamation project.

Directorships - Time Mining (Pty) Limited, Dump & Dune Drillers (Pty) Limited, Performance Laboratories (Pty)

Limited, Performance Laboratories (Ghana) Limited to 2000.

Project Manager – West Wits 100 000 tpm heap leach and 120 000 tpm CIP conversion project (included

process design and commissioning).

Project Manager – sand and slime reclamation projects for Knights Gold Mining (Pty) Limited. Projects ranged

from 1.4 Mtpa sands pumping project pumping over 10 km for Rose Deep to 3.6Mtpa slimes reclamation project

for Rietfontein. (included evaluation, feasibility study, process design & commissioning).

Process Consultant & Development Manager – 5.5 Mtpa BIOX and semi-refractory gold project in West Africa.

Project Manager – 40 000 tpm copper heap leach

project for ZCCM Nchanga (included process design &

commissioning as well as pre-feasibility for expanded

project to treat 100 000 000 tons of low grade

overburden).

Project Manager – Zadra elution system for

Consolidated Murchison (included project risk

assessment Zadra vs ARL elution system, process design

& commissioning).

Project Manager – Feasibility study to upgrade of

750 000 tpm heap leach project in West Africa

Commissioning Manager – 100 000 tpm gold project in East Africa

Facilitation & Management – Yatela risk assessment

(Anglogold – Mali)

PWA

Project Evaluation

Project evaluation exercises have been performed for financial institutions, mining and exploration companies.

Evaluation of plant clean up & salvage potential – AGC Obuasi Ghana

Evaluation of Mampon gold deposit – preliminary red flagging exercise to feasibility for Birim Goldfields

Inc (Ghana).

Competent persons report in association with The Mineral Corporation for Johannesburg Stock Exchange

– Purchase of Barnex Prestea assets by Bogoso Gold Limited (Ghana).

Evaluation and feasibility study – treatment of oxide copper cap and selenium recovery from slag at

Messina Copper (South Africa).

Evaluation of numerous sand & slimes

tailings deposits for Knights Gold Recovery

South Africa

( in excess of 100 000 000 tons).

Evaluation of Copper / Cobalt extraction &

refining project & process - DRC

Evaluation of Copper / Cobalt project

including tailings reclamation - Uganda

Evaluation and audit of

diamond recovery

operation - DRC

Evaluation and audit of

nickel refinery anodes

Rustenburg Base Metals

Refinery – South Africa

Evaluation and

performance audit of

Ticor smelter – Richards

Bay, South Africa

Evaluation and

development of Tanchon

25 Mt gold / copper

tailings project – Asia

PWA

Financial

Competent persons report, feasibility studies and project evaluations have been performed for or on behalf of

financial institutions and stock exchanges.

Evaluation of AGC feasibility study for Mampon gold project Ghana – Birim Goldfields Inc. (shareholders

& Toronto stock exchange).

Evaluation of sulphide treatment process design and test work – Bogoso Gold Limited (Mineral

Corporation & Investec Bank).

Evaluation of re-opening old gold workings and associated infrastructure – Botswana for Investec Bank

Performance testing & audit for Ticor titanium smelter Richards Bay South Africa – SNC Lavalin & Rand

Merchant Bank.

Member of clients team for European Nickel – BFS : Acoje Nickel Cobalt

Numerous due diligence exercises performed on behalf of banks, financial institutions or

clients.

PWA

Process Design Peter Wallwin has been involved in or managed innumerable feasibility study programs which have involved

extensive process development and has developed and designed numerous process plants, some of which are;

Upgrade of leach, solvent extraction and precipitation plant for West Driefontein Uranium Plant.

Bar 20 refractory gold project – process design, development and commissioning of treatment plant to

treat highly arsenical sulphide ore.

Sanyati Project – test work, pilot plant & process design for 100 000 tpm copper, lead & zinc project.

Anthra & Nkomati Collieries – process design to uprate and develop low ash treatment plant for

anthracite.

Messina Platinum – process design, pilot plant testwork and feasibility study for development of 240 000

tpm (4 X 60 000 tpm modules) Copper, nickel & PGM concentrator and smelter. Innovations included

investigation and risk assessment of plasma arc smelting.

Messina Diamonds – uprating of existing pan plant incorporating DMS, for recovery of < 6 mm diamonds

and superior yield of large stones.

Messina Copper Limited – recovery of semi oxidised copper from converter slag by treatment in

flotation section.

Empress Nickel – Investigation into the use of Plasma Arc smelting techniques with subsequent

treatment of matte by Davy powder technology process.

Process development and design for the recovery of residual nickel, copper & PGM values from slag

(Rustenburg area).

Process design for 100 000 tpm gold heap leach operation in Magadan area (CIS).

Process development and design for First Wesgold ferroalloy reclamation project.

Process design for soda ash nickel sulphide neutralisation plant for Rustenburg Base Metals Refinery

(RBMR).

Process design and development for recovery and treatment of transitional ores – Bogoso Gold (Ghana)

Process design and commissioning services for Meremeta Tembo and Buhemba Gold Projects (Tanzania)

Process Design and commissioning services for ERPM, CIP Conversion Project.

Process Design for Kloof 3 Pumpcell CIP conversion and Kloof 2 Elution plant expansion – Goldfields

South Africa

Process design and development of back end treatment plant for Suzdal BIOX project - Kazakhstan

Process design of 15 Mtpa Siguiri CIP project – (Guinea, West Africa).

Process design for Raub Australian Gold Mines CIL expansion project - Malaysia

PWA

Process development & design of 5.5 Mtpa BIOX & semi-refractory treatment plant for Bogoso Gold

Limited (Ghana).

Process development & design of Kokpatas BIOX / RIL – NMMC, Uzbekistan.

Process development and design in co-operation with European Nickel for an innovative new Nickel Cobalt

extraction technology.

Process design for copper pelletisation system and reaction furnace - Asia

Process development & design for HiTeCC preg-robbing reversal system in co-operation with Goldfields

Biomin.

PWA

Control & Instrumentation & IT

Development and application of “CORES” geological and mining resource modelling software for Messina

Limited.

Development and implementation of ore reserve database for Messina Limited copper mines.

Development of an empirical pumping model used for the design of long overland pumping systems. This

model has been successfully used in the design of well over 100 large pumping projects.

Development of PC / PLC version of “Digicon” ROM mill control software.

Development and implementation of new 1 000 000 tpa mill control system – Aldanzolotto Russia

Development and implementation of process control and automation systems for several large gold

projects.

Development of process control & instrumentation for Zaldivar Copper - Chile

Development and audit of metallurgical accounting systems (Goldfields, Harmony & Dissel).

Development of biological heap leach monitoring and control system and techniques in conjuction with

ANSTO.

Development of instrumentation and control systems for Suzdal and Bogoso BIOX projects.

PWA

Research and Process Development

Development of an innovative process for the manufacture of artificial tenorite (copper oxide used as a

black pigment in ceramic manufacture).

Development of caustic / soda ash leach process for pre leach treatment of arsenical roaster calcine.

(This process was developed and implemented independently by Gencor Process Research and has now

been commercialised as HiTeCC bu Goldfields).

Research and development of commercial leach aids in conjunction with major chemical supply company.

Development and implementation of bismuth trioxide as a substitute for lead oxide (litharge) in assay

fluxes.

Development of semi-refractory & preg-robbing ore processing techniques.

Development of innovative CIL regimes for treatment of preg-robbing ores and BIOX products.

Development of preg-robbing index and rate to evaluate and categorise preg-robbing gold ores (in

conjunction with JMA)

Research into and development of an understanding of the mechanisms involved in the passivation /

activation of preg-robbers using biological oxidation & roasting techniques (in association with JMA)

PWA

Consulting Services

Naboom Chrome (Pty) Limited – process consultant. Investigation of tailings from this mine lead to

investigations which led to the development of the Messina Platinum project.

Okorusu Fluorspar Limited (Namibia) – process consultant and development of flotation regime for the

rejection of fluorapatite whilst maintaining fluorite recoveries.

Messina Copper Limited – process consultant

Sabi Consolidated Mines (Zimbabwe) – process consultant gold.

Aldanzoloto (CIS) – process consultant and design and supply of control system for 1 000 000 tpa mill

extension. Innovations included adaptation of control process to compensate for sporadic feeding of

clayey material from open pit.

Process consultant and clients representative, numerous tailings re-treatment projects (1.5 to 7.2 Mtpa)

- Knights Gold Mining Company Limited.

General consultant – Gold Fields - Leeudoorn

General consultant – PTP plant closure project (AGC Obuasi, Ghana)

Process Audit – Goldfields Driefontein 20 ton high grade elution facility.

Process consultant – Goldfields Ghana (Tarkwa), fine crushing for heap leach pre-feasibility study.

Process consultant – Jerooy Gold Project – Kyrgystan

Process consultant – Golden Star Resources – Ghana

Technical Consultant – Peninsular Gold plc – South East Asia

Technical Consultant – Deloitte / Ural Platinum – Russia

Technical Consultant – NMMC (various projects) – Uzbekistan

Technical Consultant – Zolotokamchatsky – Russia

Technical Consultant – ASVI – Malaysia, Russia, Philippines

Technical Consultant – NPCL – Myanmar

Technical Consultant – Zolotokamchatky – Russia

Technical Consultant – (Goldfields) Bakyrchik Project – Kazakhstan

Technical Consultant – ENK Nickel / Cobalt Projects

Technical Consultant – TVI Agata Nickel Project

PWA

Laboratory Design, Management and Consulting Services

Design and development of an analytical and metallurgical laboratory in Prestea (Ghana).

Design of a high volume, low contamination sample preparation facility for geochemical and exploration

samples – Bayfield Laboratory Services Limited.

Development of an innovative method for the determination of fixed and volatile carbon values by Leco

analyser.

Consultant to Performance Laboratories (RSA & Ghana).

Development of a procedure for the simultaneous determination of arsenic and iron values in drill cores.

Barnex / JCI Limited – metallurgical investigations for Prestea feasibility study. Development,

implementation and supervision of entire program.

Quality control consultant to Performance Laboratories (Ghana) Limited and Bogoso Gold Limited.

Birim Goldfields Inc. – Analytical checks and metallurgical investigations for feasibility study and

presentation to Vancouver Stock Exchange.

Laboratory design – Kalana Gold Project (Mali)

Laboratory design – Various Gold Projects (Tanzania)

PWA

ASSOCIATIONS & RESOURCES

In addition to the resources already mentioned, PWA has associations with many established operating,

engineering and consulting companies. These associations are being expanded nationally as well as internationally,

to provide a solid technical and professional base.

These associations and resources allow us to offer the client the following capabilities;

Project Evaluation

Project Finance

Environmental Evaluation, Planning and Consulting

Process Development & Design

Project Design and Execution

Operations Management

We welcome the opportunity to discuss the capabilities of PWA and its associates and alliances, with our client’s

to offer them the optimal solution specific to their project or requirements.

For additional information please consult our website : www.pwaltd.net or;

Contact : Peter Wallwin +60 19 347 7468 / [email protected]

E&O.E.