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Company Profile

Prentec (Pty) Ltd

Managing Director I.S. Buchanan

Document Number CP/2014

Revision 2

Revision Date 16/04/2014

All information contained herein is the property of Prentec (Pty) Ltd. and is issued to the company solely for the purpose of

assessing the viability of the technology proposed by Prentec (Pty) Ltd. The information may not be lent, copied or transmitted

in any form to another party without the written approval of Prentec (Pty) Ld. It is a further condition that the information may

not be used directly or indirectly for the execution of any aspect of the proposed or contracted Prentec scope by any party other

than Prentec (Pty) Ltd.

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Contents

Introduction .................................................................................................................................................... 3

Over 35 Years of Experience Expertise and Excellence ........................................................................ 4

Turnkey Convenience, Guaranteed Performance ................................................................................ 4

Co-operation Through Consultancy ...................................................................................................... 4

Uncompromising Quality and Performance ......................................................................................... 5

A Sustainable Future For All .................................................................................................................. 5

Objectives ........................................................................................................................................................ 6

Water and Process Technology ............................................................................................................ 6

Sewage Treatment ................................................................................................................................ 6

Anaerobic Treatment and Methane (Energy) Recovery ....................................................................... 6

Ion Exchange Technology ..................................................................................................................... 6

Petrochem and Iron & Steel Industry ................................................................................................... 6

Industrial Effluents ................................................................................................................................ 6

Potable and Process Water Treatment Plants ...................................................................................... 6

RO3 for Ultra High Recovery Systems ................................................................................................... 7

Unit Operations .................................................................................................................................... 7

Pre-Cast Concrete Products .................................................................................................................. 7

Modular Plants ...................................................................................................................................... 8

Exports .................................................................................................................................................. 9

Manufacturing Facilities ................................................................................................................................ 10

Fabrication Services ............................................................................................................................ 10

Premises .............................................................................................................................................. 10

Pre-Cast Concrete ............................................................................................................................... 11

Products .............................................................................................................................................. 11

Plant Pre-Assembly ............................................................................................................................. 11

Quality Assurance ............................................................................................................................... 11

Contract Planning and Control............................................................................................................ 11

Extracts from the Prentec Quality Management System ............................................................................. 12

Company Background and Scope of Work ......................................................................................... 12

Quality Policy Statement .................................................................................................................... 13

Quality Manual Table of Contents ...................................................................................................... 14

Preface to the Prentec (Pty) Ltd Quality Manual ................................................................................ 15

Company Organogram ........................................................................................................................ 16

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Introduction

Prentec has been supplying high quality Water and Waste Water

Treatment Plant for over 36 years both in South Africa and abroad.

We have over 400 working installations in Africa, accompanied by

site installation and an O&M track record. We also have several

installations abroad including Qatar, The UK, Ireland and Australia.

We have our own fabrication facilities and are thus able to control

quality and delivery through all phases of project development.

Prentec is a key player in Africa. Our activities support many stated

important objectives of the country and continent:

• We innovate, develop, engineer and build high tech

water and waste water technology.

• We beneficiate up to 4000 tons per annum of raw

steel plate and sections in high tech mining and water

treatment machines and equipment. This is a

significant import replacement.

• In doing so we employ 180 top notch people including

engineers, artisans, managers, and plant process

controllers.

• We have a merSETA accredited training scheme where

we have Classroom and hands on training for

boilermakers. This year 10 (5 ladies and 5 men) will

graduate after four years high quality training into

this valuable trade.

• We have world class mine water reclamation

technology. With this we are able to economically

recover toxic mine water as drinking water. We have

modularised this technology for export.

• We have in house world class Waste Water

Reclamation Technology. We are the only company

in South Africa which manufactures Membrane

Bioreactor Cassettes.

• We are actively researching and developing new

technology in response to the needs of ever more

demanding requirements of water and waste

treatment and reclamation. We are being favourably

considered by Coaltech to demonstrate our brine

recovery technology.

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• We have developed a strong export capacity with the ability to assemble and test complete

plants for shipping to site, minimising site work and costs:

Over 35 Years of Experience Expertise and Excellence

Since 1974, Prentec has led the way as South Africa’s premier provider of water, sewage and industrial effluent

treatment technology. Ultimately, our aim is to partner with the people, communities and economies in which

we operate to leave a sustainable legacy for the future. Combined with our modern manufacturing facility

equipped to provide process plant and equipment fabrication in both carbon and stainless steel, Prentec offers

our clients world class process engineering solutions from concept to completion.

Turnkey Convenience, Guaranteed Performance

What separates Prentec from the rest is our ability to deliver the ideal of Turnkey solutions with 100%

guaranteed performance, backed by a One Million US$ process guarantee. Over 35 years of hands-on

experience under local and international conditions has taught us the value of follow-on contractual actions,

such as testing, training, logistical, and operational support and maintenance making ours a true “Turnkey”

operation. Together with our promise of guaranteed performance, clients have come to know Prentec as the

“partners that deliver on their promises”.

Co-operation Through Consultancy

Prentec’s reputation as consulting engineers is highly regarded across all levels of industry and government,

both locally and abroad. With the current shortage of skilled personnel in the consulting engineering

profession, this is more relevant now than ever. Consulting projects include feasibility studies, front-end

design packages, total design packages, process development, trouble-shooting and process evaluation

studies.

Complete Tested Minerals Processing Plant

in our factory before Shipping to DRC

Complete Tested Ion Exchange Plant in our

factory before Shipping to Saudi Arabia

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Uncompromising Quality and Performance

Unlike many competing companies, Prentec has no franchise or binding agreements with any proprietary

processes or process equipment manufacturers, which leaves us free to design and utilise the best possible

solutions for each individual project. This tailored approach avoids convenient compromise and inevitably

results in considerable cost savings while guaranteeing maximum process performance.

Add to this our adherence to Prentec's Quality Assurance Manual Document QD-010 based on ISO 9001 which

meets both local and international requirements, and you'll understand why blue chip clients such as Eskom,

Sasol, AECI, SAB, Southern Water UK, Anglo Platinum, BHP Billiton, Batemans and African Products to name

but a few have complete confidence in our ability to consistently deliver the very highest quality.

A Sustainable Future For All

Our commitment to our clients is equalled only by our commitment to the environment and a sustainable

future for all. With the imminent introduction of South Africa’s strict new environmental legislation pertaining

to water treatment and quality, Prentec is well placed to provide our clients with efficient, cost effective

solutions in keeping with the both the latter and spirit of the law.

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Objectives

PRENTEC’s success has always been due to its in-house expertise and ability. PRENTEC does not rely on

agencies, licenses, or franchises. Using its in-house design and engineering capacity the Company integrates

the latest international equipment with its proprietary technology to develop custom solutions to each project

requirement we tackle. PRENTEC further continues to develop and improve its own technology to meet the

ever changing needs of our customers.

Water and Process Technology

Prentec has a unique Integrated, Chemistry Centred approach to the design, engineering and implementation

of water and Process technology. We have expertise in a complete range of unit operations, and through

sophisticated modelling abilities we are able to engineer solutions which optimally address the needs and

opportunities on a case by case basis.

Sewage Treatment

PRENTEC offers is tried and tested sewage treatment plants utilising the SBR process on a Turnkey basis. These

plants are ideal for small communities i.e. 100 - 50 000 people, and support the government’s job creation

objectives through the use of local labour for construction. While these plant are constructed in concrete and

steel to the highest quality standards, they remain very cost competitive. This is achieved through the use of

innovative construction techniques wherein the bulk of work is carried out in our factory.

Larger SBR installation constructed in conventional concrete structures serve up to 150 000 population groups.

We further offer Conventional Activated Sludge processes, Membrane Bio Reactors (MBR), Biological Nutrient

Removal Systems (BNR) and Anaerobic systems for sludge digestion and Methane production.

Anaerobic Treatment and Methane (Energy) Recovery

PRENTEC is able to design and build Anaerobic treatment processes for high COD waste treatment and energy

recovery

Ion Exchange Technology

PRENTEC are South Africa’s leaders in the design, development, manufacture and erection of ion exchange

process plants particularly in the treatment of industrial process streams.

Petrochem and Iron & Steel Industry

PRENTEC offer consulting and contracting engineering services in all aspects of water treatment. PRENTEC

have developed techniques for oil and scale removal and also work with Gemwater in Italy to offer Ion

Exchange based oil coalescing for a polished product.

Industrial Effluents

PRENTEC has an extensive ability to design and construct industrial effluent treatment plants using a very wide

range of unit operations for an optimised solution in each case.

Potable and Process Water Treatment Plants

PRENTEC offer various technologies in the preparation of potable and process water. Various options and

derivatives are available from basic chemication-mixing-clarification-filtration-sterilisation to the latest cutting

edge membrane technologies.

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RO3 for Ultra High Recovery Systems

We term our Integrated, Chemistry Centred approach to the design of high recovery RO systems RO cubed.

This approach uses our diverse range of unit operations and modelling skills to engineer uniquely efficient

Ultra High Recovery Integrated RO systems which produce little or no brine. These systems are applicable in

many industrial and mining applications including:

i. Coal Seam Gas Produced Water

ii. Acid Mine Drainage

iii. Minerals Processing Waste or Tailings Recovery

iv. Cooling Water Blow down Recovery

Unit Operations

• Chemical Conditioning (Coagulation, Flocculation, pH Correction, Chlorination etc.) • Clarification • Filtration • Sludge Thickening and Dewatering • Ion Exchange • Electro De-Ionisation (EDI) • Micro / Ultra filtration • Nano Filtration • Reverse Osmosis (RO) • Ultra High Recovery RO • Sea Water Desalination • Biological Processes:

� Activated Sludge � Anaerobic Systems � Biological Nutrient Removal � Membrane Bio-Reactors

• Free Acid Recovery

Pre-Cast Concrete Products

Prentec is able to offer a wide range of durable quality reinforced yet economically priced concrete products

including:

� Aerated or stirred Reactors,

� Open or covered Reservoirs,

� Buried Sumps,

� These structures are 2, 3 4, or 6m deep with Diameters up to 21m.

Due to our sock of panels, standard designs and ease of erection, quality installations can be very quickly

implemented.

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Modular Plants

Prentec has designed container sized modules for various unit operations. These are not plants fitted into

shipping containers. Each module is custom designed with all mechanical, process, electrical and control

components integrated for full functionality.

There is a dedicated E&I section where MMC and control equipment is housed.. All cabling and wiring is

routed in dedicated wire ways and ducts which are fully integrated into the structure. When the modules are

banked together the adjacent E&I sections join to form a continuous dedicated isolated room which adapts to

the size of the plant.

Within the plant area there is a dedicated service zone which carries all pipe headers etc. Again, when modules

bank together these adjoining zones form an access way.

The modules each have an independent sheeted roof with insulation which overlaps the adjacent module.

Open sides are clad and insulated. The net result is that all equipment and electrical installations are in a large

room with proper access, pipe routes and cable ways. Modules can be added and removed without affecting

the overall installation. More than 85% of a typical plant installation can be recovered and relocated as a

whole or split into smaller units. The illustration above shows several UF and RO modules banked together.

Some of the modules we have developed include:

• Modular Mine Water Reactors, Ultrafiltration and Reverse Osmosis

Modules. These can be economically and rapidly delivered to

handle flows of up to 50Ml/d.

This unique range of modules allows us to respond quickly to

emergency or short term requirements and offer solutions on a

rental basis. Very high performance is possible generating little or

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no waste.

• Modular Rapid Gravity or Deep Bed Up flow Filters.

These are economical and can be quickly delivered

and erected. Configurations up to 100Ml/d are

possible. For larger installations a central service skid

is supplied while smaller units have pumps, blowers

and control systems incorporated into an integral

plant / control room.

• Modular Sewage Treatment with MBR, and BNR

features. These units can be configured to handle up

to 500m3/d. They are economical, quick to deliver

and can be relocated relatively easily.

By incorporating anaerobic and anoxic zones full N

and P removal is possible with minimal chemical use.

Integral MBR options produce very high grade

product for reuse.

Exports

During the past fifteen years, PRENTEC has been successfully promoting the export of both consulting

engineering services and plant equipment. We are now active in several countries confirming PRENTEC’s high

manufacturing quality standards and leading technology.

These activities also promote the government’s stated objectives of job creation and increased levels of

beneficiation to continue South Africa’s progress beyond a resource economy.

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Manufacturing Facilities

PRENTEC, established 1974, commenced fabricating steel products in 1983. Today, PRENTEC has a very

modern factory and produces work of a very high quality.

Fabrication Services

PRENTEC’s modern factory offers high quality fabrication in both carbon and stainless steel. Design and

manufacturing of coded pressure vessels to ASME Sect VIII and PD 5500. Process plant and equipment are

manufactured and pre-assembled in the Factory.

Premises

PRENTEC House and Factory are situated on 9 000 square metres of land at Chloorkop Extension 1, Kempton

Park, Gauteng. This complex has ease of access to the National Motorway Network and is located between

Johannesburg International Airport and Johannesburg City.

The PRENTEC complex, developed by PRENTEC’s directors consists of:

PRENTEC HOUSE, a double storey prestige office block containing over 800 square meters of floor area which

houses, over and above the conventional engineering office functions, a chemical laboratory and CAD design

draughting system.

PRENTEC FACTORY of 5 200 square meters covered floor area fully equipped to manufacture coded and non-

coded pressure vessels, tanks, piping general structures and a separate precast concrete panel casting facility.

The manufacturing facilities consist of two bays, each 1 500 m2 area, equipped with:

• Four x 10 ton overhead cranes, 8 m to underside of the hook

• Three x 18 ton - 20 ton mobile cranes

• Plate rolls, handling 16 mm thick x 2 500 mm wide plate

• Guillotine, handling 12 mm thick x 3 000 mm wide plate

• Submerged arc welding machine complete with 5 000 mm high x 5 000 mm long column and boom

• 250 TON Press Brake

• Twenty x CO2 welders – water/air cooled - 400 Amp

• Sixty various AC and DC welding machines - 160 – 500 Amp

• Two x radial drilling machines

• One x 5 ton forklift

• Four sets heavy duty tank rotators

• Two x lathes

• Punch and cropper

• One copy type profile cutter

• Plasma cutters

• Power saw

• 50 ton press

• General equipment including grinders, drilling machines, plate edge nibblers, plate cutters, etc.

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Pre-Cast Concrete

The precast concrete manufacturing facilities consist of one bay 700 m2 area, equipped with:

• One x 5 ton overhead crane, 6 m to underside of the hook,

• Numerous set of custom designed moulds and jigs

Products

PRENTEC manufacture in carbon steel, stainless steel and 3CR 12:

• Coded pressure vessels and tanks to ASME Section VIII and PD 5500 codes

• Pressure piping from 15 mm NB to very large bore

• Plate work from 3 mm thick to 70 mm thick

• General structural steelwork

• Non-coded pressure vessels and tanks

PRENTEC can roll up to 5 200 mm diameter and the weight of single items is limited to 20 tonnes.

Plant Pre-Assembly

PRENTEC’s Factory is one of the largest shops in the Republic where pre-assembly of plant/equipment for

desalination, water filtration, water demineralisation, effluent treatment, chemical process and mechanical

de-aerators is comprehensively executed.

Quality Assurance

PRENTEC’s Quality Assurance Manual Document QD-010 was compiled by an independent government

inspection authority based on SABS 0157 and recently updated to comply with SABS ISO 9001:1994.

PRENTEC’s Quality Management System is approved by bodies such as ISCOR/ Arcelor Mittal, ESKOM, AFRICAN

PRODUCTS, SASOL, AECI, S.A. BREWERIES, etc., etc. and PRENTEC have successfully designed and

manufactured coded vessels for many clients to the approval of independent third party inspection authorities

both local and international.

Contract Planning and Control

PRENTEC enjoys the reputation of a company who meets the required delivery dates and who produces top

quality workmanship.

This is achieved by applying proven professional Project Management methodologies in accordance with PMI.

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Extracts from the Prentec Quality Management System

Company Background and Scope of Work

PRENTEC (PTY) Ltd are consulting, design and contracting engineers active in the field of water, sewage and

industrial effluent treatment. Prentec also manufacture designed equipment.

Established in 1974 PRENTEC (PTY) Ltd has emerged as South Africa's leading supplier of water and effluent

treatment equipment. From our facilities based in Chloorkop - Kempton Park, we have the resource and

expertise for process and systems design, drafting, procurement, manufacture, erection, refurbishing, testing,

commissioning and site management control of all water treatment and other installations.

Work may be carried out on a turnkey basis or as a separate activity on contracts varying in size from minor

replacement expenditure to Multi Million Rand contracts.

Our varied installations and services include but are not limited to the following:

• Consulting Engineering

• Turnkey Design and Construction

• Equipment Fabrication and Pre-assembly

• Portable/Process Water Treatment

• Ion Exchange Technology

• Sewage Treatment

• Water Demineralisation

• Reservoirs and Tanks

The present clientele includes the Union Co-op Sugar Mill, ESKOM, Delkor, Arcelor Mittal, TOSA, NCP, Southern

Sun, Cape Gate's Daysteel Mill, Middelburg Steel and Allows Orlando Power Station, Gold Fields of South

Africa, Xstrata, Anglo Platinum, Middelburg Mines, Southern Water UK. The implied approval of these and

similar purchasers of PRENTEC (PTY) Ltd equipment and services is evident by the high incidence of repeat

business that accrues to PRENTEC (PTY) Ltd.

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Quality Policy Statement

Directors and Managers of PRENTEC (PTY) Ltd have individually and as a team, each assumed personal

responsibility for the implementation and on-going maintenance of the PRENTEC (PTY) Ltd Quality

Management System.

It is PRENTEC's policy to establish and then satisfy all client requirements, to meet all provisions of applicable

Specifications for products and services provided and to take all necessary steps to ensure timeous deliveries.

Personnel at all levels are encouraged to take pride in their work and to be vigilant of PRENTEC's credibility

and reputation in the market place as a reliable organisation, noted for on-time deliveries. In all these aspects,

Management provides leadership by example, attitude and their commitment of "getting it right first time, on

time, every time."

At all levels of PRENTEC (PTY) Ltd, management view Quality Assurance as the most positive and cost-effective

method ensuring complete client satisfaction throughout the life and use of the product and/or services

supplied. It is clearly understood that to achieve and maintain the required level of quality, it is necessary to

exercise disciplined control over all the activities of the Company.

Furthermore, that it is necessary to demonstrate, by the generation of suitable records, that such controls

have been effectively implemented.

I.S.Buchanan

Managing Director

Prentec (Pty) Ltd

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Quality Manual Table of Contents

Section Rev Subject Page

Introduction 1 1 Company Background & Scope of Work 1

Introduction 2 1 Quality Policy Statement 2

Index 1 Table of Contents 3

Preface 1 Preface to the Prentec (Pty) Ltd Quality Manual 4

1.0 1 Management Responsibility 5

1.1 1 Company Organisational Chart 6

2.0 1 Quality System 7

3.0 1 Contract Review 8

4.0 1 Design Control 9

5.0 1 Document Control 10

6.0 1 Purchasing 11

7.0 1 Purchaser Supplied Products 12

8.0 1 Product Identification and Traceability 13

9.0 1 Processing 14

10.0 1 Inspection and Testing 15

11.0 1 Inspection, Measuring and Testing Equipment 16

12.0 1 Inspection and Test Status 17

13.0 1 Control and Nonconforming Product 18

14.0 1 Corrective Action 19

15.0 1 Handling, Storage, Packing and Delivery 20

16.0 1 Quality Records 21

17.0 1 Internal Quality Audits 22

18.0 1 Training 23

19.0 1 Servicing 24

20.0 1 Statistical Techniques 25

21.0 1 Site Instructions / Daily Diary 26

22.0 0 Prentec Q.C Standard Forms 27

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Preface to the Prentec (Pty) Ltd Quality Manual

1. The PRENTEC (PTY) Ltd Quality Management System is documented in a three tier manner as follows:

Section 1.0

Policy declarations, as set out in the PRENTEC (PTY) Ltd Quality Assurance Manual; DOCUMENT QD-001;

Section 2.0

The company procedures as set out in the PRENTEC (Pty) Ltd Quality Procedures Manual;

DOCUMENT QD-11;

Section 3.0

Detailed instructions for operations where the absence of such an instruction could give rise to situations

where quality impairment could/would develop are collected in the Work Instruction File;

DOCUMENT Q-21;

Section 3.1

Quality Plans and inspection check list developed to meet client requirements reflecting agreed major

product or service inspection, witness and hold points are retained in the QUALITY Plan File; DOCUMENT

QD-31;

2. The PRENTEC (PTY) Ltd Quality Assurance Manual is authorised by the Company Directorate. Revisions to

the Manual are made under the direct supervision of the Company Directorate who may appoint a

representative to act on their behalf.

3. The PRENTEC (PTY) Ltd Company Procedures are authorised for use by the Managing Director. Procedures

are issued on a need to know basis for use within the sphere of operations.

4. The Work Instructions File contains all Work Instructions pertaining to the PRENTEC (PTY) Ltd mode of

operation. All Work Instructions are authorised by the Engineering Manager or the responsible designated

Manager.

5. All PRENTEC (PTY) Ltd Procedures, Work Instructions and Quality Plans are maintained at all times in the

custody of the PRENTEC (PTY) Ltd designated personnel. When contractually agreed, copies of these

documents, as applicable, will be furnished to clients and/or suppliers, who are expected to respect the

confidentiality of the documents concerned.

6. Hereinafter PRENTEC (PTY) Ltd shall be referred to as PRENTEC

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Company Organogram

Managing DirectorStewart Buchanan

Engineering DirectorGlen Ford

Production ManagerChris vd Merwe

Workshop ManagerHans Handt

Project Manager and IT

Craig Jansen

EstimatingPeet Van Wyk

Process DirectorAdrian Viljoen

Plant OptimisationDonald Radford

Process ManagerMartin Pryor

Senior Process Engineer Kathy

Karakatsanis

Process EngineerVivian Moller

Projects General Manager

Ryan Stewart

Site Construction Manager

Reginald Smith

Project Administrator

Moreen Dube

Project Manager

Project Manager

Design Office Manager

Roelf Langedyk

CAD DesignerSarel Albasini

CAD Designer Roelfie Langedyk

CAD DesignerAnna-Mata DeLange

CAD DesignerKgmotso Mahau

Financial ManagerEsme vd Merwe

Finance / P.A.Rozelle Steenkamp

Reception/CreditorsMaureen Seshabela

Reception/CreditorsTina Khanye

O&M (PTS) General Manager

Riaan Olivier

Operation ManagerAttie Goosen

Operations Supervisor

Gladeo Khanyi

Customer Service & Proposals

Michael Viljoen

SHEQ ManagerRalph Berg

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