PROJECT EXPERIENCE (Projects Older Than 5 Years Have Been Escalated to Reflect Current Capital Costs)

PROJECT EXPERIENCE (Projects older than 5 years have been escalated to reflect current capital costs)

Wastewater Treatment Projects Our project Team has had detailed involvement in the following projects:

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date

Stellenbosch LM Wastewater Treatment Process Audits, W2RAP, intervention Stellenbosch R 0.35 mil (Fee) Current Watergroup Holdings Plants implementation plan Dr M. vd Merwe-Botha Green Drop support to the Klapmuts, Raithby, 011 - 954 0242 Pnïel and Wemmershoek WWTWs Involved: AD Ceronio, M Kruger Lindley Wastewater Treatment Plant Conduction of a feasibility study, design Gauteng R 400 mil Current PRO-PLAN Consulting Engineers Construction of new 40 Ml/d Regional and project management Mr J. Beukes Wastewater Treatment Plant 011 954 4441 Involved: A Smith, CJ van der Walt, G Vlok, M Kruger GT Makwanyane Ngwathe Wastewater Treatment Works Conduction of a feasibility study Gauteng R750,000 Current Umzingwane Construction & Vredefort, Koppies, Parys, Edenville and Projects Heilbron Mr A. Ndlovu Involved: A Smith CJ van der Walt M Kruger GT 011 – 312 7879 Makwanyane Municipal Assistance (Ngwathe & Mohokare Blue and Green Drop Assessment; Blue Parys R390,000 Current PRO-PLAN Consulting Engineers LM) and Green Drop Improvement Plans; short Dr Aussie Austin Green Drop Compliance and medium term Action Plans, 011 954 4441 Involved: AD Ceronio LZ Coetzee Development of Control and Monitoring Tools, Water Safety Plans, Wastewater Risk Abatement Plan Create and Implement a Strategy for the Various projects with the specific intent of Gauteng R 1,7 mil Current ERWAT Management of the Green Drop System integrating Green Drop principles into Mr Fortune Mabunda Involved: AD Ceronio M Kruger LZ Coetzee ERWAT’s daily operations and 011 - 929 7130 management activities. Specific focus areas are GDIPs, W2RAPs, Process Audits and Operational Manuals

Page 1 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Hannes van Niekerk WWTW Feasibility study, design, tender Westonaria R 160 mil Current PRO-PLAN Consulting Engineers Extension : 24 Ml/d procedures, contract administration for Mr A. Coetzer Involved: A Smith CJ vd Walt G Vlok M Kruger civil/mech/elec work 011 954 4441 G Makwanyane Welverdiend WWTP : Upgrading Preliminary and detail design, tender Merafong City R 150 mil Current PRO-PLAN Consulting Engineers Extension : 15 Ml/d procedures, contract administration for Mr A. Coetzer Involved : CJ vd Walt A Smith M Kruger civil/mech work 011 954 4441 Zuurbekom WWTW Feasibility study, design, tender Westonaria R 280 mil Current PRO-PLAN Consulting Engineers Design of new regional wastewater plant for procedures, contract administration for Mr A. Coetzer Westonaria : 80 Ml/d civil/mech/elec work 011 954 4441 Involved: A Smith CJ vd Walt G Vlok M Kruger G Makwanyane Magaliesburg WWTW Preliminary and detail design, tender Krugersdorp R25 mil Current PRO-PLAN Consulting Engineers Extension of 3.5 Ml/d Activated Sludge procedures, contract administration for Mr A. Coetzer Treatment Plant civil/mech/elec work 011 954 4441 Involved : M Kruger G Vlok G Makwanyane Sasol Synfuels: Wastewater Treatment Works Process audits with recommendations, Secunda R400,000 Current Watergroup Holdings Evaluation of Expansion Requirements electro- mechanical equipment audits, Dr M. vd Merwe-Botha Involved: A Smith AD Ceronio GT Makwanyane stormwater ingress 011 - 954 0242 Wastewater Treatment Plant Green Drop A detailed audit of the design, operation Various R 0,4 mil Current Department of Water Affairs Audits and maintenance of the plant and Mrs M. Mupariwa Specialist audits of various WWTPs recommendations regarding 012 336 6938 Involved: AD Ceronio A Smith CJ vd Walt improvements M Kruger LZ Coetzee Leandra Wastewater Treatment Plant Process design Leandra R 142 mil (Est) Nov 2013 LTE Consulting Engineers Feasibility Study and Process Design Mr Theo Kleynhans Involved: AD Ceronio, M Kruger 011 – 314 4456 Mogale City Local Municipality: Process Detailed process audit on functionality of Gauteng R 180 000 2013 Mogale City Local Municipality Audits for Green Drop Requirement plant process train and associated civil, Elize Mare Flip Human WWTW, Magalies WWTW & Percy mechanical and electrical equipment 083 767 1902 Steward WWTW Involved: M Kruger LZ Coetzee

Page 2 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Mogale City Local Municipality: Risk Risk assessment on the WWTPs and to Gauteng R 145 000 2013 Mogale City Local Municipality Assessment review the Incident Management Protocol Elize Mare Involved: M Kruger LZ Coetzee 083 767 1902

Stellenbosch Wastewater Treatment Plant Process Audits, W2RAP, intervention Stellenbosch R 0.2 mil (Fee) Sept 2012 Watergroup Holdings Emergency interventions implementation plan Dr M. vd Merwe-Botha Involved: AD Ceronio, A Smith, M Kruger, GT 011 - 954 0242 Makwanyane Thabong Wastewater Treatment Plant Scoping report Welkom R 370 mil (Est) May 2012 Watergroup Holdings Capacity Expansions Dr M. vd Merwe-Botha Involved: AD Ceronio, M Kruger 011 - 954 0242 Process Audits for Green Drop Requirement Detailed process audit on functionality of Limpopo R 130,000 2012 Tzaneen Local Municipality Nkowankowa WWTW & Lenyenye WWTW plant process train and associated civil, Paradise Shilowa Involved: M Kruger mechanical and electrical equipment 079 905 9013 Flip Human WWTW: Mechanical Needs analysis, tender procedures, Mogale City R 8.5 mill 2012 PRO-PLAN Consulting Engineers Refurbishment contract administration Mr A. Coetzer Involved: A Smith CJ vd Walt M Kruger 011 954 4441 Hannes van Niekerk Emergency : Mechanical Needs analysis, tender procedures, Westonaria R13 mil 2012 PRO-PLAN Consulting Engineers Refurbishment contract administration Mr A. Coetzer Involved : CJ vd Walt A Smith M Kruger 011 954 4441 Wastewater Treatment Systems, Processes Process audit, risk abatement plan, water Siyabuswa R1.2 mil 2012 Dr JS Moroka Local Municipality and Compliance use licences, asset register, incident Mr L.E. Babedi Various drinking and wastewater assignments management protocol and Green Drop 013 973 0821 Involved: A Smith M Kruger criteria Lagerspoort Bottling Plant WWTW Plant and process review Heidelberg R4 mill 2012 VelaVKE Involved: AD Ceronio Mr G. Wentzel 011 339 0600 Green Drop Compliance Wastewater risk abatement plan, Incident Mount Ayliff R220 000.00 2012 Alfred Nzo District Municipality Develop W2RAP for six wastewater supply management protocol and Green Drop Ms. B. Khatali systems criteria 039 254 4500/ 082 7800728 Involved: LZ Coetzee

Page 3 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date City of Tshwane : Green Drop Compliance Risk abatement plan and Green Drop Pretoria R210 000 2011 City of Tshwane Achieving Green Drop Compliance criteria Mr K Snyman Involved: LZ Coetzee On behalf of Worley Parsons (KV3) 012 358 0664 Al Shabai Ponds Detail design, drawings, assistance on Iraq R 1.5 mil 2011 PVA Consulting Engineers Design of a new oxidation pond system for contract administration 086 110 6256 military base Burgersdorp Bulk Wastewater Development of Master Plan Burgersdorp R0.1 mil 2011 Joe Gqabi District Municipality Master Plan Mr R. Fortuin Involved: AD Ceronio, A Smith, G Makwanyane 045 971 0432 Aliwal-North Bulk Wastewater Development of Master Plan Aliwal-North R0.1 mil 2011 Joe Gqabi District Municipality Master Plan Mr R. Fortuin Involved: AD Ceronio, A Smith, G Makwanyane 045 971 0432 Steve Tshwete Green Drop Assistance Compilation of operations manuals, risk Middelburg, Mpumalanga R150 000 2010 Steve Tshwete Local Municipality Involved: AD Ceronio LZ Coetzee abatement plan and incident management Mr E. Warambwa protocol in line with Green Drop criteria 013 – 249 7207 Skilpadshek WWTW Design and tender documentation support Skilpadshek Border Post, R 8 mil 2008 Phumaf Professional Engineers 200 m3/day RBC plant designed to cater for to allow Client to perform contract North West Province 011 789-3727 border post with large loading variances. administration, site supervision and Design includes a reedbed to polish the effluent project management before final discharge Involved: AD Ceronio A Smith G Vlok Rooiwal WWTW Specialist analysis of the system and Rooiwal WWTP, Tshwane R 0,1 mil 2008 Monitor Engineering (Pty) Ltd Specialist analysis of a pump station which is recommendations regarding its Mr L. Palmer not performing to expectation refurbishment 011 618 3860 Involved: A Smith Johannesburg Water WWTW Design, tender procedures, contract Johannesburg R 800 mil 2007 Johannesburg Water Mechanical design for various unit processes of administration, project management for Mr S. Deacon five BNR type WWTWs electro-mechanical work 082 567 8857 Involved: AD Ceronio A Smith G Makwanyane

Page 4 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Goudkoppies WWTW Design, tender procedures, contract Johannesburg R 5 mil 2007 Johannesburg Water Reconfiguring to BNR Process administration for mech/elec work Mr S. Deacon Mech/Elec work 082 567 8857 Involved: A Smith G Makwanyane Olifantsvlei WWTW Design, tender procedures, contract Johannesburg R 3 mil 2007 Johannesburg Water Reconfiguring to BNR Process administration for mech/elec work Mr S. Deacon Mech/Elec work 082 567 8857 Involved: A Smith G Makwanyane Johannesburg Northern WWTW Design, tender procedures, contract Johannesburg R 25 mil 2006 Johannesburg Water NDBEPR Process : 50 Ml/d administration for mech/elec work Mr S. Deacon Mech/Elec work 082 567 8857 Involved: A Smith G Makwanyane Buffalo City Municipality Investigation of sludge management East London R 0.25 mil 2005 Buffalo City Municipality Sludge Management Plan strategies into the future 043 705 2000 Long term strategy development Involved: A Smith Bloemhof Sewage Treatment Facility Preliminary investigation into current Bloemhof R 0,1 mil 2004 Lekwa-Teemane Local Municipality Evaluation of existing facility sewage treatment requirement North-West 053 441 2206 Report reveals the necessity extension to new works Involved: A Smith Goreangab Water Reclamation Plant : 21 Ml/d Design, tender procedures, contract Windhoek, Namibia R 200 mil 2000 City of Windhoek (KfW funded) administration, site supervision, project Mr A. du Toit Treatment of sewage effluent for potable management +264 61 2902339 purposes Involved: CJ vd Walt

Page 5 PROJECT EXPERIENCE

Water Treatment Projects Our project Team has had detailed involvement in the following projects:

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Vaalkop No. 3 & 4 Water Treatment Plant : Design, tender documentation, contract Rustenburg, North-West R 300 mil Current Magalies Water Extension administration, site supervision, project Mr R le Roux Extending capacity of the plant with 30Ml/d on management 014 597 4636 Vaalkop 3 and 30 Ml/d on Vaalkop 4 Involved: A Smith CJ vd Walt M Kruger Madibeng Water Treatment Plant Scoping, Feasibility Study, preliminary Brits R 350 mil (civil, mech Current Magalies Water Extension and upgrading of the Brits WTP from design, detailed design of mechanical and & elec) Mr R. le Roux 60Ml/d to 80Ml/d, and additional ozone and electrical component 014 597 4636 GAC to existing Plant Emergency Filter Upgrade Involved: AD Ceronio CJ vd Walt A Smith M Kruger G Makwanyane Municipal Assistance (Ngwathe & Mohokare Blue and Green Drop Assessment; Blue Parys R390,000 Current PRO-PLAN Consulting Engineers LM) and Green Drop Improvement Plans; short Dr Aussie Austin Blue Drop Compliance and medium term Action Plans, 011 954 4441 Involved: AD Ceronio LZ Coetzee Development of Control and Monitoring Tools, Water Safety Plans, Wastewater Risk Abatement Plan Doubling of Mooihoek WTW Design, tender documentation, contract Limpopo R 35 mil Current Sekhukhune DM Upgrading of existing treatment plant administration, site supervision, project Mr Patrick Mekwa Involved: G Vlok AD Ceronio management 013 262 7300 Bloemhof Water Treatment Plant Inception, preliminary design, detail Bloemhof R 70 mil Current Lidwala Consulting Engineers 10 Ml/d extension of the Bloemhof Plant design Mr A. Raspi Involved: CJ vd Walt A Smith M Kruger 082 801 7897 G Makwanyane Mpuluzi Water Treatment Plant Civil design for installation of package Mpumalanga R 1.5 mil (civil) 2013 Zamangwane Consultants Construction of 5 Ml/d Package Plant plant Ms B. Mathibe Involved: G Vlok 084 288 3333

Page 6 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Process Audits for Blue Drop Requirement Detailed process audit on functionality of Limpopo Province R170,500 2013 Polokwane Local Municipality Polokwane, Seshego and Molepo WTPs plant process train and associated civil, Mr K. Mogashoa Involved: CJ vd Walt LZ Coetzee mechanical and electrical equipment 015 290 2538 Midvaal Washwater Management A detailed audit of the design, Stilfontein, North-Wes R1.1 mil 2013 Midvaal Water Company Optimisation of washwater system optimisation of the washwater system and Mr F. Ellis Involved: AD Ceronio A Smith G Vlok implementation of recommendations 018 4821241 Midvaal North-South Filter Block Preliminary and detail design, tender Stilfontein, North-West R 40 mil 2013 Midvaal Water Company 80 Ml/d Refurbishment documentation, construction supervision, Mr F. Ellis Involved: AD Ceronio A Smith CJ vd Walt engineering management services 018 4821241 M Kruger Process Audits for Blue Drop Requirement Detailed process audit on functionality of Richards Bay R 80,000 2012 Mhlatuze Water Nsezi Water Treatment Plant plant process train and associated civil, Eastern Cape Simphiwe Xulu Involved: CJ vd Walt mechanical and electrical equipment 035 9021000 Process Audits for Blue Drop Requirement Detailed process audit on functionality of Limpopo R 130,000 2012 Tzaneen Local Municipality Georges Valley, Letsitele, Tzaneen Dam plant process train and associated civil, Paradise Shilowa Involved: CJ vd Walt mechanical and electrical equipment 079 905 9013 Burgersdorp Bulk Potable Water Development of Master Plan Burgersdorp R0.1 mil 2012 Joe Gqabi District Municipality Master Plan Mr R. Fortuin Involved: AD Ceronio, A Smith, G Makwanyane 045 971 0432 Process Audits for Blue Drop Requirement Detailed process audit on functionality of Phalaborwa, Marble Hall, R 350,000 2012 Lepelle Northern Water Lepelle Northern Water plant process train and associated civil, Nkowankowa Mr P. Moshoane Involved: CJ vd Walt mechanical and electrical equipment 076 569 2353 Nomlacu Water Treatment Plant Process design, plant design, tender Nomlacu, Eastern Cape R 35 mil 2012 Umgeni Water First 10 Ml/d phase of 20 Ml/d Plant documentation, construction supervision, Mr P. Thompson Involved: CJ vd Walt AD Ceronio A Smith engineering management services 033 341 1111 Water Treatment Plant Blue Drop Audits A detailed audit of the design, operation Various R 0,4 mil Ongoing Department of Water Affairs Specialist audits of various WTPs and maintenance of the plant and Mrs M. Mupariwa Involved: AD Ceronio CJ vd Walt LZ Coetzee recommendations regarding 012 336 6938 improvements

Page 7 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Rietvlei Ozonation Facility : 40 Ml/d Feasibility and preliminary design and Pretoria, Gauteng R 40 mil 2011 City of Tshwane Provision of new ozonation facility specialist input on implementation 012 345 1007 Involved: CJ vd Walt Process Audits, Asset Register and Water Detailed process audit on functionality of Lephalale, Limpopo R 180,000 2010 Exxaro Safety Plan for Blue Drop Requirement plant process train and associated civil, Mr M. de Kock Exxaro mechanical and electrical equipment, 014 7639841 Involved: CJ vd Walt Water Safety Plan as per World Health Organization guidelines Midvaal Water Safety Plan Water Safety Plan as per World Health Stilfontein, North-Wes R60,000 2010 Midvaal Water Company Blue Drop compliance Organization guidelines Mrs M. Kruger Involved: CJ vd Walt 018 4821241 Steve Tshwete Blue Drop Assistance Compilation of operations manuals, water Middelburg, Mpumalanga R110 000 2010 Steve Tshwete Local Municipality Involved: AD Ceronio LZ Coetzee safety plan and incident management Mr E. Warambwa protocol in line with Blue Drop criteria 013 – 249 7207 Oviston Bulk Infrastructure Services Detailed technical and scientific Oviston Local Municipality R 0.2 mil 2010 Ukhahlamba District Municipality Venterstad Bulk Water Infrastructure assessment, including treatment plants Eastern Cape Mr D. Lusawana Involved: AD Ceronio G Vlok 045 9710158 Roodeplaat Water Treatment Plant : 60 Ml/d : A detailed audit of the design, Roodeplaat, Tshwane, R 0,8 mil 2010 Roodeplaat/Temba Water Services Audit construction, operation and maintenance Gauteng Trust Specialist audit of the plant of the plant and recommendations 012 842 8700 Involved: AD Ceronio CJ vd Walt regarding improvements Midvaal Water Treatment Plant Optimisation Detailed evaluation of plant capacity and Stilfontein, R 0,1 mil 2009 Midvaal Water Company Study evaluation of optimisation strategies North-West Province Mrs M. Kruger Involved: AD Ceronio 018 482 1250 Parys Water Treatment Plant: 20 Ml/d : Design and tender documentation support Parys, Northern Free State R 28 mil 2009 Phumelela Africa Professional Dissolved Air Flotation and PAC to allow Client to perform contract Engineers Water quality deterioration necessitated the administration, site supervision and 011 789-3727 implementation of advanced treatment project management processes Involved: AD Ceronio A Smith

Page 8 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Technical Audit of Water Boards A technical audit of the water boards in Limpopo, Gauteng, North- R 0,3 mil 2008 Department of Water Affairs and Technical audit of Magalies Water and Lepelle terms of status of its plants, personnel, West Province Forestry Water maintenance plans, etc. 012 336 8470 Involved: AD Ceronio Nandoni Water Treatment Plant : 60 Ml/d Design, tender procedures, contract Thohoyandou, Limpopo R 250 mil 2008 Department of Water Affairs and Conventional water treatment plant administration, site supervision, project Province Forestry Involved: A Smith CJ vd Walt management 012 336 8514 Vaalkop Water Treatment Plant Computational Fluid Dynamics (CFD) Rustenburg, North-West R 0.4 mil 2006 Magalies Water Computation/analysis of ozone contact 012 277 1298/0 chamber and subsequent contact zone Preliminary design proved to be adequate Involved: CJ vd Walt Umzoniana WTP Feasibility study East London R 150 mil 2005 Buffalo City Municipality 60 Ml/d Plant Upgrade Eastern Cape 043 705 2000 Expansion of conventional water treatment plant with DAFF filters Involved: AD Ceronio Nsezi Water Treatment Plant Report stage for preliminary report Richards Bay, R 200 mil 2004 Mhlathuze Water Extension KwaZulu-Natal 035 902 1000 Optimum extension mode determined Involved: AD Ceronio CJ vd Walt Midvaal : Refurbishment of Existing Filters : Design, tender procedures, contract Stilfontein, North-West R11 mil 2004 Midvaal Water Company 200 Ml/d administration, site supervision, project Mr G. Grobler Refurbishment and increase capacity of existing management 018 482 1241 infrastructure Involved: A Smith CJ vd Walt Vaalkop No. 1 Water Treatment Plant : Design, tender documentation, contract Rustenburg, North-West R 54 mil 2003 Magalies Water Upgrade administration, site supervision, project Province Mr R. le Roux High technology treatment process with ozone management 012 277 1298/0 and GAC Involved: AD Ceronio A Smith CJ vd Walt

Page 9 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Nsezi Water Treatment Plant Planning and cost assessments Richards Bay, KwaZulu- R 200 mil 2003 Mhlathuze Water Raw water extraction and process strategies Natal 035 902 1000 Optimizing of supply from two water treatment plants Involved: AD Ceronio CJ vd Walt G Vlok Balkfontein Water Treatment Plant Computational Fluid Dynamics (CFD) Bothaville, Free State R 0.25 mil 2003 Sedibeng Water Modelling of flow pattern within existing bulk 056 515 0333 water storage reservoir Effectiveness of mixing in reservoir determined Involved: CJ vd Walt A Smith Laing/Nahoon Water Treatment Plant (20 Ml Status quo report and feasibility study into East London, R 0,2 mil 2003 Amatola Water and 30 Ml) current degrading raw water quality Eastern Cape 043 721 0814 Proposed process design reveals additional process unit required to treat raw water sources Involved: A Smith CJ vd Walt Eritrea Water Treatment Plant : 20 Ml/d Civil design, contract administration, bulk Asmara, Eritrea R 325 mil 2003 Biwater (Pty) Ltd Potable Process with Lamella plate settling supply hydraulic analysis and final design 011 462 4220 conventional filtration of Turkey project Bulk water distribution Increase capacity of existing infrastructure Involved: A Smith Balkfontein/Virginia : 160 Ml/d Design, tender procedures, contract Virginia, Free State R 1.5 mil 2003 Sedibeng Water Chloramination dosing installation with administration, site supervision, project 056 515 0200 precision controls management Involved: AD Ceronio CJ vd Walt Rietvlei GAC Filters : 40 Ml/d Design, tender procedures, contract Pretoria, Gauteng R 25 mil 2000 City of Tshwane Provision of new GAC Filtration Plant administration, site supervision, project 012 345 1007 Involved: A Smith CJ vd Walt management

Page 10 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Goreangab Water Reclamation Plant : 21 Ml/d Design, tender documentation, contract Windhoek, Namibia R 200 mil 2000 City of Windhoek Treatment of blended raw water and sewage administration, site supervision, project (Escalated at the +264 61 2902339 effluent for potable purposes (KfW funded) management of Turkey project ratio at the time due High technology treatment process to process Involved: CJ vd Walt technology) Victoria Falls Water Treatment Plant 10Ml/d Design, tender documentation, contract Victoria Falls R 60 mil 2000 Victoria Fall Municipality extension & 10Ml/d refurbishment administration and project management (Escalated) Conventional water treatment plant for potable purposes Involved: A Smith

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Civil Services, Pipelines, Reservoirs and Pumping Stations Our project Team has had detailed involvement in the following projects:

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Chief Mogale Sewage Pump Station Mechanical design, contract Gauteng R 4 mil Current PRO-PLAN Consulting Engineers New Sewage Pumping Station administration Mr A. Coetzer Involved: G Vlok 011 954 4441 Khutsong Sewage Pump Station Mechanical design, contract Gauteng R 500,000 Current PRO-PLAN Consulting Engineers New Sewage Pumping Station administration Mr A. Coetzer Involved: G Vlok 011 954 4441 Reservoir at OK Pump Station Design, tender procedures, contract Bloemfontein, Free State R 2.5 mil Current Bloemwater New 2Ml reservoir administration, site supervision, project Mr E. Gaoseb Involved: CJ vd Walt G Vlok management 051 – 403 0800 Mohlakeng Sewage Pumping Station Mechanical design, contract Gauteng R 500,000 2014 PRO-PLAN Consulting Engineers New Emergency Sewage Pumping Station administration Mr A. Coetzer Involved: G Vlok 011 954 4441 Koes and Kries Water Reticulation Networks Design of two water reticulation networks Namibia R 2 mil 2013 Multi Consult Water reticulation for two townships Mr A. du Toit Involved: G Vlok +264 61 221560 Zulu and Xhosa PS and Pipelines Design and tender documentation Ekurhuleni R10 mil 2012 Ekhurhuleni Metro Municipality Upgrading of pumping station and pipelines Mr T. Chanda Involved: G Vlok 011 999 0991 Ngwathe Water and Sewage Infrastructure Detailed technical, financial and scientific Ngwathe Municipal area R 0.5 mil 2010 Rand Water Infrastructure assessment and optimisation assessment Involved: CJ vd Walt G Vlok Oviston Bulk Infrastructure Services Detailed technical and scientific Oviston Local Municipality R 0.2 mil 2010 Ukhahlamba District Municipality Venterstad Bulk Water Infrastructure assessment Eastern Cape Mr D. Lusawana Involved: AD Ceronio G Vlok AH Laher 045 9710158

Page 12 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Mothlotlo Relocation Design, contract documentation and Mokopane R 200 mil 2008 Anglo Platinum Water, Sanitation, Roads and Stormwater contract administration Section 21 Services for two Villages (1100 stands) as well as house foundations. Services include: Internal civil services. Distribution of borehole supply to consumers Dry sanitation Surfaced and gravel road network Involved: G Vlok Rockdale Sewer Reticulation Design, contract documentation and Middelburg R 4 mil 2008 Nkangala DM Involved: G Vlok contract administration Mr. Sifiso Khoza 013 249 2025 City of Tshwane Design, tender procedures, contract Pretoria R 120 mil 2008 City of Tshwane Babelegi/Temba Sewer Infrastructure documentation, site supervision, project Provision of sewer reticulation & two pumping management stations for approximately 10,000 stands Involved: G Vlok Golela Border Post Design, contract documentation and Swaziland Border R 15 mil 2008 Dept. of Public Works Design of Civil Infrastructure (Water, Sewage contract administration Mr De. Hallis and Pumping Stations) 012 310 5951 Involved: AD Ceronio G Vlok Nandoni High Lift Pumping Station Detailed design, tender procedures, Thohoyandou, Limpopo R 55 mil 2008 Department Water Affairs Design of Civil Infrastructure of the pumping contract documentation and contract Province Mr Roy Hill / Mr Ken Burrow station and mechanical pumping equipment for administration 012 336 8514 / 012 336 8614 distribution to NN20B (2 Ml/d – 2 x 75 kW, NR 5 (50Ml/d - 3 x 0.8 MW motors) and NR 6 (14Ml/d – 3 x 0.6 MW) Involved: A Smith Rooikoppen Sewage Pumping Station Design, contract documentation and Standerton R 4 mil 2004 Lekwa LM Involved: G Vlok contract administration Mr S. Claasens 017 710 9600

Page 13 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Lekwa Link Sewers Design, contract documentation and Standerton R 2 mil 2004 Lekwa LM (1 km 300 dia Outfall Sewer) contract administration Mr. S. Claasens Involved: G Vlok 017 710 9600 Sivukile Sewer Reticulation Design, contract documentation and Standerton R 1,2 mil 2004 Lekwa LM Involved: G Vlok contract administration Mr. S. Claasens 017 710 9600 West Derby/Kagung Design, tender procedures, contract Kuruman, Northern Cape Ga-Segonyana LM Bulk Water Supply and Reticulation Upgrade documentation, site supervision, project 053 712 1095 Borehole supply for rural community management Involved: A Smith Klipgat A : Bulk Water Supply Assessment of existing services and Brits, North-West R 20 mil 2002 Madibeng Local Municipality Tenure Upgrade conceptual design of upgrading work 012 318 9236 Bulk supply, reticulation, pressure reduction, stormwater, roads and sewerage Involved: G Vlok Mbonambi : Water Reticulation Services Design, tender procedures, contract Richards Bay, KwaZulu- Mhlathuze Water 9,5 km pipeline (Phase 1) administration, site supervision, project Natal 035 902 1000 1,6 km of 450 mm dia and 500 mm dia pipeline management and continuation of the 315 mm dia main pipeline by another 2,2 km Extensions to existing installation. Extended supply required special precautions Involved: G Vlok Sasol Pipeline Design and construction supervision Secunda, Mpumalanga R 25 mil 2004 Sasol 450 dia, 10,7 km pipeline 011 441 3111 Spigot and socket welded steel pipeline with cement motel lining Involved: G Vlok

Page 14 PROJECT EXPERIENCE

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Upper and Lower Majeakgoro : Bulk Water Design, tender procedures, contract Pampierstad, North-West Bophirima District Municipality Supply and High Lift Pumping Station administration, site supervision, project 053 927 2222 250 dia., 5,5 km pipeline and 2 Ml reinforced management concrete reservoir Spigot and socket welded steel pipeline with cement motel lining Involved: A Smith VRESAP : Vaal River Eastern Sub-system Detailed problem analyses and design Gauteng and 2007 Trans Caledonian Tunnel Augmentation Project of the systems. Assistance with the Mpumalanga Authority (TCTA) Detail design of a one-way surge tank able preparation of tender documents. 012 683 1200 to supply 8,4 m3/s during surge conditions Detail design of a flow division structure to manage 5,4 m3/s of flow Development and refinement of mechanical specifications Involved: AD Ceronio Richards Bay : 5 Ml Concrete Reservoir Design, tender procedures, contract Richards Bay, KwaZulu- R 15 mil 2001 City of uMhlathuze and 9,1 km Pipeline (IOF) administration, site supervision, Natal 035 901 5000 Aggressive water necessitated protective project management measures Industrial water supply. Special corrosion precautions due to ground conditions and corrosive water Involved: G Vlok Vaalkop Water Treatment Plant Design, tender procedures, contract Rustenburg, North- R 50 mil 1998 Magalies Water Raw water pumping station : 120 Ml/d and administration, site supervision, West 014 597 4636 800 mm GRP pumping main project management High lift pumping station (85 Ml/d – 5 x 1,3 MW motors) and pumping main Fast track construction. 40 bar pressure with variable speed pumpsets Involved: AD Ceronio

Page 15 PROJECT EXPERIENCE

Sanitation Projects Our project Team has had detailed involvement in the following projects:

Completion Project Name and Description Services Performed Location Project Value Owner/Client Details Date Volksrust VIP’s Design, tender documentation, site Pixley Ka Seme, R 1,6 mil 2008 Pixley Ka Seme LM Alternatives offered to Client prior to final supervision & contract administration Mpumalanga (017) 735 6100 design and tender documentation. Project presently (July 06) in construction phase Involved: G Vlok Empuluzi VIP’s (Phase 1 & 2) Design, preparation of business plans and Empuluzi, R 3 mil 2007 Albert Luthuli DM Alternatives offered to Client prior to final technical report, tender documentation, Mpumalanga (017) 843 1055 design and tender documentation. Project site supervision & contract administration presently (July 06) in construction phase Involved: G Vlok

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