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TABLE OF CONTENTS

Company overview

The origin of chutes in the mining industry

Design services

Safety and basic principles of designing chutes

Product advantages

Birth of the spillminator

Product offering

Innovative variations

Compentencies of CAN Engineering Worx

Broadening the horizon

Customised solutions

Manufacturing plant

Quality control

Our people

Economic development

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CAN Mining & Engineering Supplies CC was founded in 1988. The company started as a milling company and later diversified into an engineering company manufacturing scrapers for the mining industry.

In 1992 chutes became a focusing point as possible product of supply to the mining industry. The Spilminator, as brainchild was started in 1985 in conceptual form and introduced to the mining industry in 1994.

In 2012 CAN Engineering Supplies was bought over by new management and the name of the company was changed to CAN Mining Management.

In 2016 CAN Mining Management was bought over via a management buyout and the name changed to CAN Engineering Worx.

CAN Engineering Worx is committed to providing the mining industry with excellent service and solutions both above and below ground.

By leveraging and developing our key competencies, we are able to deliver efficient and safe contract mining and engineering solutions to mining operations across South Africa.

Since its inception, CAN Engineering Worx has aimed to become one of the leading South African Mining and Engineering Contracting companies in the country, and impeccable track record shows that we are staying true to our vision.

COMPANYOVERVIEW

1988

1992

2012

2016

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The control of material flow in ore passes and loading pockets is potentially one of the most hazardous operations in underground mining.

Chutes are transfer points in material handling used in the mining industry for controlled removal of broken ore from stopes and ore passes into hauling vessels by force of gravity and is almost as old as mining itself. The first notable chute used was the “Cousin Jack” chute made only by timber.

THE ORIGIN OF CHUTES IN THE MINING INDUSTRY

An American survey proved that in a 20-year span 75% of all fatalities and incidents in the mining industry were caused by chute related applications. A chute, as a safety critical device, always needs to:

• Guide material in a controlled way onto carts or conveyor structures;

• Eliminate material spillage;• Enclose material dribbles;• Enclose material from operating personnel;• Eliminate dust liberation

Each mine is unique and material attributes and properties must always be taken into account during the designing process of chutes. The following must be taken into account:

• Size Distribution;• Lump size;• Moisture content of ore;• Angle of repose;• Static and Dynamic Load that the chute must

withstand;• Density of rock;• Abrasiveness of the ore

Our chutes are always designed for the worst possible conditions and material characteristics.

SAFETY AND BASIC PRINCIPLES OF DESIGNING CHUTES

Further to our high quality manufacturing capabilities, CAN Engineering Worx also offers professional, prompt and cost-effective design and draughting services that will meet the needs of any client in the mining sector.

Our design and draughting team uses the latest software from Autodesk, AutoCAD and Inventor.

DESIGNSERVICES

• Through continuous research and development products are lighter and stronger

• Products are quicker to install than competitor products

• All our products adhere to relevant SANS specifications• CAN Engineering Worx is the preferred supplier in

chutes to the mining industry• Better cost of ownership due to our reliable products• Less down time due to spillage control • Tailor made applications according to each customer’s

unique needs• Downstream cost savings due to ore being handled as

planned with no down time• Fully mechanised according to customer application• Proven Safety track record. No fatality on any of our

products due to mud rushes since 1994

PRODUCTADVANTAGES

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Belt FeederSide Wall Bulkhead Structure

Responding to the recurring issue of spillage and mud rushes in the platinum mines in the Rustenburg area, Anglo Platinum approached CAN Engineering Worx to conduct research and find a solution to the problem.

The first prototype of the Spillminator Chute was built and tested at Amandelbult Platinum Mine in 1992 and it was found that the chute handled mud rushes very well with minimal spillage. Crucially, the Spillminator increased the safety of the mining personnel by controlling this recurring hazard.

It also proved to reduce down-time and production loss efficiently. The Spillminator is currently the only design which can effectively stop and hold a mud rush.

BIRTH OF THESPILLMINATOR

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Spillminator Chute criteria

We offer Side Wall Chutes, Hanging Wall Chutes, and Belt Feeders.

• In accordance with SANS specification 0208, the chute is designed for a nominal design pressure of 840kPa in platinum mines and 600 kPa in goldmines.

• 840 kPa is equivalent to a 30m ore pass filled with UG2 slurry (hydrostatic head).

• The design code states that the hydrostatic head will stay 840 kPa Platform 30m upwards.

• The standard throat opening on our Side Wall Chutes is 1100mm x 1000mm, and on the Hanging Wall Chute 1200mm x 1200mm, with an over-break of 400mm. Designs can be adapted to accommodate client requirements.

• Both the doors are designed to withstand direct pressure of 840 kPa.

• A risk assessment on the operation and maintenance procedure is available on request.

• Our standard liners are based on Hardox 450 liners. Any liners can be supplied to accommodate the client’s requirements.

The first MK1 Spilminator chute was designed and manufactured by CAN. This chute was commissioned in 1994 on Amandelbult with huge success in preventing any production delays or safety incidents during mud rushes.

The first AP1 was launched as a new improvement on the MK4.

The AP3 was launched as synergistic outcome between CAN and Anglo Platinum.

The MK6 Retro chute was designed and launched by CAN as replacement for Sibanye Gold’s old chutes.

The MK6 was designed for gold mine applications in compliance with SANS Specifications.

The MK2 Spilminator chute was designed and launched due to new SANS Specifications.

The MK3 Spilminator chute was designed for Anglo Platinum according to new SANS Specification and with the help Anglo Technical Department.

The MK4 chute was launched as a new improvement on the MK3 Spilminator.

1994

20092010

20122012

19962003

2006

Control Panel

• The Spillminator Chute operates with a double valve control panel fitted with a filter and lubricator.

• The working pressure for a control panel is 6 bar.

• The control panel is fitted with a “dead man’s” valve for safety purposes. Should the control panel be abandoned, the two doors of the chute close automatically.

• The control panel is fitted with a lockout valve.

• The control panel must be installed 10m from the chute for safety purposes.

Hoses and fittings

• A set of four 15m hoses and fittings are supplied.

• Hoses are tested up to 160 bar.

Hanging Wall

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CAN Engineering Worx is aware that, in the high risk environment of mining, quality is of the utmost importance to ensure the safety of all personnel.

For this primary reason we design and manufacture our products to the highest standards possible and provide additional services to further ensure a safe working environment for all.

Currently, CAN Engineering Worx holds patents for the Spillminator and Pipe Bulkhead Chutes that are being used by Anglo Platinum, Goldfields, Anglo Gold Ashanti and others.

Our footprint includes the regions of Carletonville, Northen Cape to Zambia Copperbelt which enables us to provide a quality service across Africa.

• The Tubular bulkhead was designed as a more cost effective and stronger chute for hanging and side wall applications. Due to the properties of a tubular structure, this design is stronger and quicker to install;

• The Over break Structure was designed to accommodate over breaking during the blasting process. This new product ensures a safe and compliant installation in the worst environment;

TUBULAR CHUTE

INNOVATIVEVARIATIONS

Ore Pass

Concrete

Pipe Bulkhead

Cost-saving when compared to conventional designs and dramatically reduces installation time.

Hanging WallTubular Chute

Side WallTubular Chute

PIPE BULKHEAD

Cost-saving when compared to conventional designs and dramatically reduces installation time.

Pipe Bulkhead

PRODUCTOFFERING

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PLATE TOP STRUCTURE

Used for feeding on to conveyor belts and vibrators.

Plate Top Structure with Hanging Wall Chute

Plate Top Structure with Belt Feeder Chute

CAN Engineering Worx, through its continuous research and development, is now also supplying the following items to the mining industry:

• Stope Grizzly’s• Pneumatic and hydraulic tip doors• Material and explosive cars

All our clients have specific needs unique to their operating environment; we believe that every turnkey solution we offer should be customized to meet these needs. For this purpose an on-site assessment and consultation is done to determine what the client requires.

Our service includes measuring, design, costing quotation and a detailed delivery schedule.

All designs, including that of the Spillminator packages adhere to mining industry specifications while still meeting the client’s unique requirements.

Drawings and designs are scrutinized and signed off by a professional engineer to ensure quality and accuracy before manufacturing starts.

• Market leader in mudslide and spillage control systems.

• Comprehensive knowledge and experience in box front and chute designs.

• Outstanding manufacturing capacity and capabilities to exceed clients’ expectations.

• Key engineering and mining experience.• Use of the latest mechanical design software.• Extensive contracting knowledge.• Up-to-date project management capability.• Considerable business administration and

management sight.• Continuous Research and development driven.

BROADENINGTHE HORIZON

CUSTOMISED SOLUTIONSFOR OUR CLIENTS

COMPETENCIES OFCAN ENGINEERING WORX

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CAN Engineering Worx currently makes use of a manufacturing area that consists of a 5500m2 facility located on a total work area of 7500m2.

Our highly skilled and motivated work force, as well as the diverse range of equipment at our disposal, guarantee market-leading productivity, versatility and quality. Extremely experienced management staff ensures the timely procurement of raw materials and the achievement of effective production capabilities.

Our innovative manufacturing techniques combine reliable traditional methods with state-of-the-art technology in order to achieve excellent build quality. We pride ourselves on reaching manufacturing targets while maintaining all safety standards.

Products are manufactured and assembled complete to specification from raw materials, with outsourcing required only for a minimal number of specialized components. This advantage enables CAN Engineering Worx to remain in control of not only high standards of build quality, but to also fulfill delivery obligations on time.

CAN Engineering Worx is aware that, in the high risk environment of mining, quality is of the utmost importance to ensure the safety of all personnel.

For this primary reason we design and manufacture our products to the highest standards possible and provide additional services to further ensure a safe working environment for all.

Currently, CAN Engineering Worx holds patents for the Spillminator and Pipe Bulkhead Chutes that are being used by Anglo Platinum, Goldfields, Anglo Gold Ashanti and others.

MANUFACTURINGPLANT

QUALITYCONTROL

DECADES OFMOVING FORWARD

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CAN Engineering Worx is a proud contributor to the transformation process in South Africa. As such, we ensure that all our activities are geared towards the upliftment of previously disadvantaged groups and the maintenance of employment equity in our workplace.

Please visit our website for more information about our:

• Employment policy• Training policy• Procurement policy• Empowerment mission

In compliance with South African statutory and Broad Based Black Economic Empowerment requirements on companies, CAN Engineering Worx embraces the opportunity of working with local companies.

During these endeavors, BMS Cylinders acts as sister company to CAN Engineering Worx, which is being used to uplift the local community we operate in.

The synergistic outcomes of these amalgamation efforts will always include the following:

• Setting up of a local facility within the greater region for assembly & possible manufacturing;

• Creating local employment opportunities for the community within the area of operation;

• Skill transfer from a seasoned engineering company to a new local black owned engineering enterprise;

• Compliance towards our customers Social Labour Plan, Preferential Procurement and BBBEE codes;

• Building a new local enterprise that will establish itself as a preferred supplier in steel manufacturing within the region of operation;

Currently CAN Engineering Worx is engaged in the development of a new JV with Mr. Mojalefa Mogono from Leitlho La Africa (Pty)Ltd, selectively targeting mines in the greater Rustenburg region.

ECONOMICDEVELOPMENT

OURPEOPLE

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Tel:Fax:E-mail:

Postal:

018 700 2677086 607 9570info@engworx.co.za

PO Box 741 | Fochville | 2515

MANUFACTURING PLANT

CAN ENGINEERING WORX

www.engworx.co.za

CarletonvilleAnglo Gold Ashanti, Savuka Mine Old Engineering Workshops