Presentations and speakers

Day 1

Presentation Title Author Email
1.1 A utility CEO's Perspective on the Impact of Water Loss Reduction Tim Waldron timw49@yahoo.com.au
1.2 Water Leaks - A strategic Issue Mike Muller mikemuller1949@gmail.com
2.1 South Africa's WCWDM Strategic Overview Paul Herbst herbstp@dwa.gov.za
2.2 Benchmarking of Water Losses and NRW in SA Municipalities Allestair Wensley wensleya@dwa.gov.za
2.3 RW Response to Water Use Inefficiencies Mamorena Ramososu mamorena@randwater.co.za
2.4 Current Status of Water Availability and Demand in VRS Kobie Mare kobie@randwater.co.za
3.1 Coping with Leaks in a Bulk Water Pipeline Network Edwin Varkevisser evarkevi@randwater.co.za
3.2 PRV Servicing and Zone Management Mbalie Matiwane mbalie.matiwane@jwater.co.za
3.3 Tshwane WDM Interventions Nico Schmulian nicosc@tshwane.gov.za
3.4 Large Consumer Meter Replacements Mthoko Mlotshwa mthokom@wrp.co.za

Day 2

Presentation Title Author Email
5.1 The need for Additional Grant Funding to WSAs to Overcome High NRW Derek Hazelton tsewater@icon.co.za
5.2 Funding of WDM Interventions Godfrey Mwiinga godfreymz@dbsa.org
5.3 Peformance Based Contracting for WCWDM Dr. Nicole Kranz nicole.kranz@giz.de
5.4 Implementation of Project Boloka Metsi Takalani Mamphitha takalanim@wrp.co.za
6.1 War on Leaks Programme Slondile Xabendlini sxabendlini@randwater.co.za
6.2 Water Conservation Education Initiatives Meagan Donnelly mdonnell@randwater.co.za
6.3 Meter Accuracy and Metering Trends Mark Shamley mark.shamley@elster.com
6.4 Remote Monitoring of Large Consumers Brad Astrup brada@wrp.co.za

Day 1

Presentation Title Author Email
1.1 Global Water Losses - IWA Perspective Tim Waldron timw49@yahoo.com.au
2.1 Water Resources Information and Operation to Mitigate Losses M. Ngoepe and B. Mwaka NgoepeM@dwa.gov.za
2.2 No Drop in the Context of Water Security Paul Herbst herbstp@dwa.gov.za
2.3 Metro Water Usage Allestair Wensley wensleya@dwa.gov.za
3.2 City of Cape Town: WDM and Bulk Supply Peter Flower peter.flower@capetown.gov.za
3.3 Sustaining Low Water Loss in Drakenstein Municipality Andre Kowalewski andrek@drakenstein.gov.za
3.4 Latest Developments in Water Meter Technology Mark Shamley mark.shamley@elster.com

Day 2

Presentation Title Author Email
4.1 Opening the AL "Pandora Box" Mthokozisi Ncube mthokozisi.ncube@jwater.co.za
4.2 Water Leakage and Demand Management in Overstrand Hanre Blignaut hblignaut@overstrand.gov.za
4.3 Johannesburg Water PRV Maintenance Project Niel Meyer nielm@wrp.co.za
4.4 Development of a Model to Conduct a Water Use Efficiency Study Shuntelle Gow sgow@randwater.co.za
5.1 Benefits of Real Time Meter Management and Monitoring Ronnie Mckenzie ronniem@wrp.co.za
5.2 Tackling the KwaZulu-Natal Drought Case Study: Middle South Coast Steve Gillham Steve.Gillham@umgeni.co.za
5.3 Management of Greater Gabarone's Worst Drought in 30 Years Moeti Matswiri MMatswiri@wuc.bw
5.4 Addressing Residential Water Consumption on Rand Water Property Samanta Stelli sstelli@randwater.co.za
Expo Presentations Author Email
Introduction to Elster Kent Metering Ian Love ian.love@elster.com
N&Z Instrumentation and Control: Electro-Magnetic Flow Meters Philip Smit shelaghw@nz.co.za
Tydan: Advanced Pressure Management Charl Myburg charl@tydan.co.za
Technolog: Remote Data Acquisition & PRV Control Alan Siddal technolog@technolog.com
INCOSE: The Connection René Oosthuizen info@incose.org.za

Day 1

Presentation Title Author Email
1. Global Water Losses - IWA Perspective Tim Waldron timw49@yahoo.com.au
2. No Drop in the Context of Water Security Paul Herbst herbstp@dwa.gov.za
3. Metro Water Usage Allestair Wensley wensleya@dwa.gov.za
4. Water Conservation and Demand management in Johannesburg Nicholas Moult nicholas@gls.co.za
5. City of Cape Town Swift Water Consumption Analysis Thantaswa Mtsabe Thantaswa.Mtsabe@capetown.gov.za
6. Latest Developments in Water Meter Technology Mark Shamley mark.shamley@elster.com
7. Logging as a Tool for Leakage Management Ronnie Mckenzie ronniem@wrp.co.za

Day 2

Presentation Title Author Email
8. Latest Research on N1 Leakage Factors in Water Distribution Systems Kobus van Zyl kobus.vanzyl@uct.ac.za
9. Water Leakage and Demand Management in Overstrand Hanre Blignaut hblignaut@overstrand.gov.za
10. Sustaining Low Water Loss in Drakenstein Municipality Andre Kowalewski andrek@drakenstein.gov.za
11. Pipe Replacement Prioritization in Overstrand Alexander Sinske alex@gls.co.za
12. City of Cape Town: WDM and Bulk Supply Paul Rhode paul.rhode@capetown.gov.za
13. Case Study: Water Management Plan for Luanda, Angola Jacques Du Plessis Jacques.DuPlessis@aurecongroup.com
14. Johannesburg Water PRV Maintenance Project Niel Meyer nielm@wrp.co.za
Expo Presentations Author Email
Introduction to Elster Kent Metering Mark Capper mark.capper@elster.com
Macsteel Fluid Control: Hydraulic Control Valves Andre Volschenk andre.volschenk@macfluid.co.za
N&Z Instrumentation and Control: AMR Scada For Water Professionals Japie Vermeulen jv@nz.co.za

Day 1

Presentation Title Author Email
1.1 Global Water Losses An IWA Perspective Tim Waldron timw49@yahoo.com.au
1.2 System Modelling of South Africa's Water Resources Ronnie Mckenzie ronniem@wrp.co.za
2.2 Results from the No Drop Incentive Based Regulation Programme Paul Herbst and Moloko Raletjena herbstp@dwa.gov.za
2.3 Impact of the SDGs on Water Regulation in South Africa Helgard Muller helgardmuller13@gmail.com
2.4 Reflections on Partnerships Zama Siqalaba zamas@wrp.co.za
3.2 Sasol's Water Stewardship Programme Rivash Panday rivash.panday@sasol.com
3.3 Mark Shamley Mark Shamley mark.shamley@elster.com

Day 2

Presentation Title Author Email
4.1 The IEB in ACP Carmelo Coccuzza c.cocuzza@eib.org
4.2 Analysis of Municipal Water Supply Systems Perspectives of the Financier Konstant Bruinette keb@resourcecogroup.com
4.3 Drought Resilience: Additional Considerations Cobus Compion cobus@gls.co.za
4.4 Assessment of Apparent Water Losses due to Metering Inaccuracies Mthokozisi Ncube mthokozisi.ncube@jwater.co.za
5.1 Development of a Water Demand Management Strategy Willem Wegelin willemw@wrp.co.za
5.2 Sustainability of the Leak Repair Project in Indigent Households in the City of Ekurhuleni Dumisani Gubuza Dumisani.Gubuza@Ekurhuleni.gov.za
5.3a Understanding Customers Demand Through Water Use History in Rand Water's Area of Supply Shuntelle Gow sgow@randwater.co.za
5.3b Assessment of Water Leak Reduction Potential in Rand Water's Area of Supply Kobie Mare kobie@randwater.co.za
5.3c South Africa's Water Wise Water Calculator Samanta Stelli sstelli@randwater.co.za
6.1 Managing Drought Mitigation and NRW Reduction Methods Mark Shepherd mark.shepherd@joat.co.za
6.2 End User Flow Monitoring and Analysis Brad Astrup brada@wrp.co.za
7.1 Aquatrip

Day 1

Presentation Title Author Email
Welcome and Introduction Ronnie Mckenzie ronniem@wrp.co.za
National Water Balance Status Quo Allestair Wensley wensleya@dwa.gov.za
Progress with the Implementation of WCWDW within the 8 Large Qater Supply Systems Moloko Raletjena raletjenam@dws.gov.za
Balancing Water Supply and Demand - the Bigger picture Colin Talanda colint@wrp.co.za
The Effect of Weather on Water Demand During Restrictions Kobie Mare kobie@randwater.co.za
Driving the Demand a Bulk Water Suppliers Perspective Shuntelle Gow sgow@randwater.co.za
Zamdela Water Loss Reduction Project - a Case Study Rivash Panday rivash.panday@sasol.com
City of Tshwane Water Loss Project Case Study Wenzile Shandu wenzileS@wrp.co.za

Day 2

Presentation Title Author Email
Meter Management Imperatives for the Management of Apparent Water Losses Mthokozisi Ncube mthokozisi.ncube@jwater.co.za
Urgency for Behavior Change - New Innovations and Tools Jay Bhagwan jayb@wrc.org.za
Rainwater Harvesting - Practical Guidelines Tommy Hilder tommyh@tshwane.gov.za
Smart Citizen Engagement Mark Shamley mark.shamley@elster.com
Billing Data Clean-up through Spatial Analysis Danie Kotze danie@gls.co.za
Does Water Monitoring Make a Difference Samantha Stelli sstelli@randwater.co.za
Govan Mbeki Municipality Water Demand Management Project Rofhiwa Mulaudzi rofhiwa.m@govanmbeki.gov.za
Bulk Pipeline Assessment and Leak Detection Kobus Prinsloo kobus.prinsloo@ssis.co.za
IWA Water Balance Calculation Willem Wegelin willemw@wrp.co.za
Expo Presentations Author Email
Product Show Case - NZ Instruments NZ Instruments Japiev@nz.co.za
Product Show Case - Water Loss SALeak SA Leak deon@saleak.co.za

Day 1

Presentation Title Author Email
Welcome and Introduction Ronnie Mckenzie ronniem@wrp.co.za
Progress with the Implementation of WCWDW within the 8 Large Qater Supply Systems Moloko Raletjena raletjenam@dws.gov.za
City of Cape Town: The Cape Town Water Crisis Paul Rhode paul.rhode@capetown.gov.za
Status of NRW in South Africa Allestair Wensley wensleya@dwa.gov.za
Overstrand Municipality: Review of latest WDM projects Hanre Blignaut & Patrick Robinson hblignaut@overstrand.gov.za
Correlation Between Reduced Pressure and Reduced Consumer Demand Niel Meyer Nielm@wrp.co.za
Advantages of a District Approach in Water Demand Reduction Collin Mubadiro Collin.Mubadiro@capetown.gov.za
Billing Data Cleanup Through Spatial Analysis Danie Kotze danie@gls.co.za
Meter Management Imperatives for Management of Apparent Water Losses Mthokozisi Ncube

Day 2

Presentation Title Author Email
Smart Citizen Mobile "Apps" Mark Shamley mark.shamley@elster.com
Stellenbosch Drought Management: Telemetry Data Application A Sinske & F du Plessis alex@gls.co.za
Bulk Pipeline Leak Detection and Pro-Active Management Mark Webb admin@ssis.co.za
Midnight Showers or Water Leakage? Ben Biggs & JG Afrika
Understanding Intermittent Water Supply and Controlled Supply Problems Carlo Loubser carloloubser@sun.ac.za
Supplementary Household Water Sources to Augment Potable Municipal Supply Nicole Nel
Practical Issues and Benchmarking Guidelines Willem Wegelin willemw@wrp.co.za
Expo Presentations Author Email
Bermad Product Showcase Bermad
SeeSaw Product Showcase SeeSaw
Aquaguard Product Showcase Aquaguard

Opening Session

Presentation Title Author Email
Plenary Session Chair: Ronnie Mckenzie ronniem@wrp.co.za
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Morning Session

Presentation Title Author Email
Water Conservation/Water Demand Management in South Africa: 20 Years On Ronnie Mckenzie ronniem@wrp.co.za
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Afternoon Session

Presentation Title Author Email
Different ideas - a controversial session! Tim Waldron timw49@yahoo.com.au
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Coffee Break Session

Presentation Titles Author Email
Pressure Management (1) Chair: Ignacio Peña
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Morning Session

Presentation Title Author Email

Coffee Break Session

Presentation Titles Author Email

Lunch Session

Presentation Title Author Email

Coffee Break Session

Presentation Titles Author Email

Morning Session

Presentation Title Author Email

Coffee Break Session

Presentation Titles Author Email

Afternoon Session

Presentation Title Author Email

Day 1

Presentation Title Author Email
Cape Town Drought Management Peter Flower peter1flower@gmail.com
Non Revenue Water: A National Municipal Strategic Self Assessment (MuSSA) Perspective Allestair Wensley & Rivonia Pillay WensleyA@dws.gov.za
Increase water use efficiency across all sectors increase and ensure sustainable withdrawals and supply of freshwater to address water scarcity Xolani Hadebe HadebeX@dws.gov.za
Management of Challenges re Water Shortages in Rand Water's Area of Supply Sameer Morar SMorar@randwater.co.za
Monitoring Amenity Landscape water Use Dr. Leslie Hoy lhoy@randwater.co.za
City of Tshwane & SAB Water Loss Project Jackie Msiza Jackiem@wrp.co.za
Budgeting for Maintenance and Repair of Municipal Infrastructure Prof. Kevin Wall kevin.wall@up.ac.za
Pipe Condition Assessment & Rehabilitation Deon Pohorille deon@saleak.co.za
Tydan Control Valve Charl Myburgh charl@tydan.co.za

Day 2

Presentation Title Author Email
Getting to #SurplusWater2025 Gerrie Brink gerrie@aquaffection.com
Water, Energy, Food Nexus - Importance of water Felix Reinders ReindersF@arc.agric.za
The socio economic benefits of reducing non-revenue water Willem Wegelin willemw@wrp.co.za
Water Sector Innovation - Lessons Learnt from the Ground Up Zama Siqalaba Zama.Siqalaba@exxaro.com
Reducing water losses in a Smart City Alexander Sinske alex@gls.co.za
Using Advanced Infrastructure and Analytics in the Management of NRW Ryan Fourie Ryan.Fourie@xyleminc.com
Technolog Group Leonardo Goncalves de Castro ldecastro@technolog.com