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MODIKWA PLATINUM MINE FACILITY VISIT 4 March 2003
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Page 1: MODIKWA PLATINUM MINE - Anglo American Platinum/media/Files/A/Anglo-American... · MODIKWA PLATINUM MINE DRIEKOP 253 KT MAANDAGSHOEK 254 KT HENDRIKSPLAATS 281 KT ONVERWACHT 292 KT

MODIKWAPLATINUM MINE

FACILITY VISIT4 March 2003

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AgendaAgendaAgenda

Mike Jooste : Business Leader n Location and settingn Project parametersn JV structure and managementn Mine layout and mining methodn Geology and exploration n Training and developmentn Socio- economic developmentRon McGregor : Business Area Leader : Processn Concentrator and metallurgy

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3 000m

FOREST HILL

BRAKFONTEIN

KLIPFONTEIN

HACKNEY

DOORNBOSCH

CLAPHAM

466 KS

ZWARTKOPPIES 413 KS

465 KS

464 KS

116 KT117 KT

118 KT

WATERKOP 113 KT

MECKLENBURG112 KT

CROYDON120 KT

SURBITON115 KT

THE SHELTER121 KT

AVOCA472 KS

507 KS

BALMORAL508 KS

542 KSHILL

GROOTHOEK256 KT

MOOIHOEK255 KT

TOUW282 KT

294 KT

NOOIT-

324 KT VERWACHT

MAGNETS-

541 KSVLAKTE

543 KSKOP

252 KT

GROOT-

284 KTVYGEBOOM

WIN

NAAR

SHOE

K

HOEPA-

291 KTKRANZ

GARA-

DE KAMP

PASCHASKRAAL

TWICKENHAM114 KT

QUARTZ

KLOOF539 KS

DE KOM

DSJATE249 KT

DINGAANS-

HOOGSTE-PUNT290 KT

323 KT HOUTBOSCH

EERSTE GELUK

322 KT 2 000m

1 000m

250 K

T

ZWEM-

283 KTKLOOF

TWYFE-

119 KT LAAR

Merensky Reef

UG 2

N

FERN

MODIKWA LEASE AREA

GENOKAKOP285 KT

254 KT

HENDRIKSPLAATS281 KT

292 KT

MAANDAGSHOEK

ONVERWACHT

293 KT

LIMPOPOPROVINCE

MPUMALANGA

253 KT DRIEKOP

WINTERVELD

Current =

Rustenbu rg

Po tgietersru st

Witb ank

W armb ath s

PRETO RIA

Barp lats

Kenn ed ysVale

N

RPM. RUSTENBURG

NORTHAM

RPM. UNION

PP RUST

LEBOWA

RPM. AMANDELBULT

IMPALA

WESTERN ANDEASTERN PLATS BARPLATS

CROCODILE RIVERBAFOKENG

Bushveld Complex

Amplats Mines

Impala M ines - Gencor

Lonrho Mines

Goldfields Mines - Northam

B U S H V E L D C O M P L E X

��������25 O

Republic of South Africa

25 O

L yd enbu rg

EASTERN LIMB

Modikwa

��������������������������������������������������������������������������������������������

��������������������������������������������������������������������������������������������

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������������������������

������������������������

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25 O

25 O

Republic of South Africa

kilometres

500 0 5 00 1 000

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Potgietersrust

LebowaLebowa

TwickenhamTwickenham

ModikwaModikwa

DwarsrivierDwarsrivier

Der BrochenDer Brochen

Polokwane

Mokopane

Steelpoort FaultSteelpoort Fault

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MODIKWA PLATINUMMINE

DRIEKOP 253 KT

MAANDAGSHOEK 254 KT

HENDRIKSPLAATS 281 KT

ONVERWACHT 292 KT

WINTERVELD 293 KT

0 2.5

Kilometres

Onver wacht Hill (adits)_̂ _̂

South Shaft

North Shaft

Merensky

UG2

N

Modikwa Platinum Mine

Modikwa Platinum Mine

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Key ParametersKey Parametersn Mining authorisation covers the farms Driekop,

Maandagshoek, Hendriksplaats, Onverwacht & Winterveld

n First phase comprises 2 decline shaft systems on Onverwacht and Hendriksplaats + adit system on Onverwacht Hill

n Production on steady state – 200 ktm, 162 koz Pt/annumn 2 100 employeesn Budget – R1,8 billion (real 2003 terms)n Plant commissioned – August 2002n Full production – 2004

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Modikwa (Jan 2002)Modikwa (Jan 2002)

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Modikwa (Jan 2003)Modikwa (Jan 2003)

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Joint VentureJoint VentureJoint Venture

ModikwaPlatinum Mine

AngloPlatinum

ARM MiningConsortium

50%

60%

50%

SECT 21 CO.MATIMATJATJI

SECT 21 CO.MAMPUDIMA

Other ParticipantsARM Platinum

40%

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STEERING COMMITTEESTEERING COMMITTEE Members with requisite skills appointed by the EXCO’s of ARM and Anglo Platinum

Technical decisions

Equal number of members appointed from ARM and Anglo Platinum Chairperson - P Motsepe

Policy decisions

JV Management StructureJV Management Structure

EXCOEXCO

OPERATIONAL COMMITTEEOPERATIONAL COMMITTEEOn mine operational team

Operational decisions

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Management TeamManagement Team

n Business Leader – M Joosten Area Leader North – M da Costan Area Leader South – G Strongn Area Leader Process – R McGregorn Area Leader Info & Financial – E Cilliersn SHE Leader – F Veltmann Area Leader Logistics – A Oliviern Area Leader ERM – B van Rhynn Other : HR, Training, IR, Community

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Basic Layout of Decline Shafts

Basic Layout of Basic Layout of Decline ShaftsDecline Shafts

n Trackless material decline (5m x 5m)n Conveyor decline (4,5m x 4m)n Chairlift decline (4m x 4m)n Four production levels and a RAWn Levels accessed by means of ramps from the

material declinen Main drives developed on reef

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Decline Shaft LayoutDecline Shaft LayoutDecline Shaft Layout

LEVEL 1

LEVEL 2

LEVEL 3

LEVEL 4

RAW

2 X UC ShaftsDROPRAISE 1 X DC Shafts

RAISEBOREAIRLOCKS

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Declines and Drives

n Developed using mechanised equipmentn Equipment:

Axera D06 Drill RigsAxera D06 RoofboltersToro 1250 LHD’sToro D50 Dump TrucksFermel Utility Vehicles

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Twin Boom Drill Rig

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Roof Bolter

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12.5 ton Load Haul Dumper

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50 ton Dump Truck

50

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Equipment Maintenance

n Tamrock contract in place

n Workshops on site

n SAP Planned Maintenance system

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Winzes

n Mechanised development using low profile machines

n Equipment:

nAxera LP Drill Rigs

n EJC 115 Lhd’s

n Where reef dips exceed 15° winzing is done conventionally

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Raising and Stoping

Raising :n Conventional raising with handheld

machines

Stoping :n Down-dip panels ± 28m face lengthn Conventional stopingnHandheld machinesn Scraper cleaning nBlasting with Anfex and shocktube

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Stope panel

Stope panelDirection of stoping

Direction of stopingReef drive

Reef ra

ise

Reef ra

ise

Muck bay

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Reef drive

Ree

f rai

se

55 kW winch

12.5 ton LHD

50 ton Dump Truck

Muck bay

Strike pillar

Strike pillarD

ip p

illar

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Some Design Criteria

n Two shaft systems – approx. 3,2km’s apart- One material and one conveyor shaft- Chairlift decline added later- Hillside adit mining

n 200 000 ton per month concentrator- Natural fines circuit - Autogenous / ROM ball milling- Chrome silica circuit

n Central infrastructure - Offices and training facility

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Some Design Criteria

n Conventional stoping- Raises - Down dip stoping- Handheld drills

n High productivity mine:- Continuous operations- Two panel cycle- No night shift on the reef plane- Concentrator has high level of process control

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GEOLOGY and

EXPLORATION

GEOLOGY GEOLOGY and and

EXPLORATIONEXPLORATION

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Geology

n Lithological setting and optimal stope cutn Geological model and mine design

optimisationn Exploration drilling programme

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Eastern Bushveld :Stratigraphic column in proximity of UG2

at Modikwe

UG 3A

UG 3

UG 2

UG 191m

15m

10m

0 58cm

Triplet 3

Triplet 2

Triplet 15cm

12cm

12cm

15 to 70cm

FW

HW

UG2

Channel

BRC

TRC

Stoping

Profile

17cm

NORITESPOTTED ANORTHOSIT E

MOTTLED ANORTHOSITEPYROXENITE

PORPHYRITIC PYROXENITEPEGMAT OIDAL PYROXENITE

HARTBURGITECHROMITITE STRINGER

CHROMITITE

- L E G E N D -

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Optimal Stoping Cut(per shaft area)

50

58 61

20 -45

30 25

821

17

371010

4885

56

4

21 21 21

129112 102RGSW= 97

(Champion cut)RGSW = 91(Champion cut)

RGSW = 91(Champion cut)

NORTH MINE SOUTH MINE HILL MINE

113AVE

101AVE

97AVE

TRC

BRC

UG2

* RGSW= Recommended Geological Stoping Width

Leuconorite Unit

1010 10

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Geological Model –North Mine

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Geological Model –South Mine

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Geological Model –Hill Operations

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Mine Design Optimisation

n Structural features including slumps, potholes, shear zones/faults, undulating reef, and pegmatite replacement bodies although challenging are being successfully addressed

n An increased drilling density is enabling optimal positioning of drives and access ramps.

n Dip drives are in place to fit optimal raise backs

n The base of the regolith / UG2 interference line is determined ahead of mining

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Mine Design Optimisation

n Groundwater modeling and management is in place. Surface appears dry – small secondary aquifers do exist - dewatering programme in place

n Geological logging and modelling is in place and assists in optimal cut selection

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Exploration Drilling Programme

Planned drilling for 2003 :

n Surface drilling 24 600 mn Underground drilling 14 600 m

n Total 39 200 m

n Density matched to achieve optimal mine design

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Training and Development

“Create One Mine “Create One Mine One Culture”One Culture”

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Behavioural Department

Goal: To develop every employee to his / her full potential. This will ensure world-class performance with world-class safety record

Areas of Focus:

n Self Mastery (Focus on Personal Qualities)

n Team Mastery (Focus on Team Qualities)

n Business Mastery (Focus on Business Principles)

n Behavioural Safety (Focus on Critical Safe Behaviour)

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Behavioural Process –Methods

n Behavioural and leadership training

n Theatre and video’s (A visual training program)

n Experiential training business program (Comprehensive business training program)

n Assessment program (Alignment with MQA and introduction of Modikwa assessment training program)

n Behavioural safety interventions and programs

n Analysis and continuous involvement

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Socio-Economic Development

n Employment equity status

n SME and HDSA implementation and progress

n Socio- Economic Development (SED) andlocal community involvement

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Employment Equity

AO 1 AND ABOVE

LEVEL Ma le Female Ma le Female Ma le Female Ma le Female

E3 1 1 1 0.0%

S E1 1 1 6 6 7 14.3%

M P 2 2 2 10 10 12 17.0%

M P 1 6 6 1 1 23 2 25 32 28.0%

S S 2 11 1 12 1 1 79 3 82 95 17.0%

S S 1 6 1 7 6 5 11 18 67.0%

AO2 21 2 23 2 2 55 3 58 83 48.0%

AO1 67 5 72 1 1 29 1 30 103 72.0%

114 9 12 3 3 1 4 1 1 2 09 14 2 23 351 41.0%

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SME and HDSA Implementation

100%100%100%

% of contract awarded to HDSA’s :n Transporting of concentrate :n Transporting of ore :n Hostel administration and catering :n Construction of concrete slabs for

mobile offices :n Building of 3 vendor training houses :n Construction of security access gates :

75%40%

100%

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Socio-Economic Development

N NonyaneSocio Economic Leader

SED Officer

Community Communications / media

BusinessDevelopment

Officer

Community Liaison team

Community Liaison team

H GroblerGM Sect 21 Co’s

M JoosteBusiness Leader

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ACHIEVEMENTSACHIEVEMENTSACHIEVEMENTS

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Modikwe Safety SummaryDate Achievement Section

27-Oct-01 1 000 000 LTI Free Hours Modikwa19-Jan-02 1 000 000 LTI Free Hours Central Logistics10-Feb-02 1000 Fatality Free Production Shifts Modikwa10-Feb-02 1000 Fatality Free Production Shifts Central Log23-Mar-02 1000 Fatality Free Production Shifts North Shaft23-Mar-02 1000 Fatality Free Production Shifts South Shaft30-Mar-02 1000 Fatality Free Production Shifts Concentrator26-Apr-02 1 000 000 LTI Free Hours Concentrator30-Apr-02 1000 Fatality Free Production Shifts Onverwacht Hill26-Jun-02 1 000 000 LTI Free Hours Central Logistics9-Jul-02 2 000 000 LTI Free Hours Concentrator

26-Jul-02 1 000 000 LTI Free Hours Modikwa23-Sep-02 2 000 000 LTI Free Hours Central Logistics20-Oct-02 1 000 000 LTI Free Hours Modikwa23-Nov-02 3 000 000 LTI Free Hours Concentrator30-Dec-02 1 000 000 LTI Free Hours North Shaft

INJURY RATES PROJECT TO DATELTIFR – 0.44 RIFR – 0.25

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Production Stoping Plan

0

100

200

300

400

500

600

2002 2003 2004 2005 2006 2007

M2

1 00

0

5 Yr Plan

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Achievements

Safety at RIFR 0.25 for project to date Mining of portals initiated March 01

1st stoping March 02Plant commissioned Aug 02100 000 tons first month 59 622m2 mined to date31 006m developed to date

Achieved 29m face advance ( 74m2/ise )1400 local novices recruited and trainedWill achieve full production in by end of 2004

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CONCENTRATORand

METALLURGY

CONCENTRATORCONCENTRATORandand

METALLURGYMETALLURGY

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Safety StatisticsProject :

2 LTI’s (one reportable)2.81 million manhours without a LTI

Operations (Staff and plant contractors)0 LTI’s409 days without a LTI (486 010 hours)

PROJECT AND OPERATIONS TOTAL :3 297 070

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Project Key Dates

n Earthworks commenced : 8 February 2001

n Civil works commenced : 21 May 2001

n Steel erection commenced : 12 Dec 2001

n E&I erection commenced : 02 Jan 2001

n Hot commissioning started : 05 August 2002

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25 July 2001

Pict0116.jpg

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Milling Circuit

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Flotation Cells

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Plant Project Statistics

n Pipelines 57km

n Structural Steel 2 900 T

n Platework 1 500 T

n Motors 500

n Pumps 257

n Resources 1 960 people (Peak)

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ProcessProcessProcess

PLANT LAYOUTPLANT LAYOUTPLANT LAYOUT

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Process –Salient Features

Process Process ––Salient FeaturesSalient Features

n 200 000 tons per month UG2 nominal rating

n Original design was based on FAG Milling

n Modified to accommodate build-up by ROM ball milling

n Separate treatment of chromitite and silicate fractions

n Separate treatment of naturally occurring fine size fraction

n Automated Process Control Laboratory

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Modikwa Concentrator –Simplified Flow SchematicModikwa Modikwa Concentrator Concentrator ––

Simplified Flow SchematicSimplified Flow Schematic

PRIMARY MILLING

FINAL CONCENTRATE

SILICATE FLOTATION

CHROME FLOTATION

SILICATE MILLING

CHROME MILLING

NATURAL FINES TREATMENT

PRIMARY FLOTATION

FINAL TAILINGS

R.O.M.

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Process –Commissioning Progress

Process Process ––Commissioning ProgressCommissioning Progress

n Commissioned Primary Mill on 5th Aug 2002 in MF2 configuration

n Treated 102 000 tons development reef during August

n Chrome circuit commissioned 6th September 2002n Achieved 205 000 tons in September through to

230 000 tons in January 2003n Optimisation program underway on existing circuitn Fines specific treatment commissioned at end of 2002n Process Control Laboratory operational by April 2003

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0

50000

100000

150000

200000

250000

May June July Aug Sept Oct Nov Dec Jan

Budget Actual

Tons MilledTons MilledTons Milled

0302

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0%

10%

20%

30%

40%50%

60%

70%

80%

90%

May June July Aug Sept Oct Nov Dec Jan

Budget Actual

Recovery 4ERecovery 4ERecovery 4E

0302

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Questions


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