Rand Water | Integrated Annual Report 2025

Project Name

Non-disruptive solution to inhibit limescale build-up within Water Treatment Residue Pipelines

Pilot Area

Zuikerbosch Central Sludge 2

Type of Intellectual Material •

Electromagnetic Ring

• •

Databases and Data Sets

Benefit

Reduced maintenance downtime

• Improved water treatment residue pumping efficiency • Eliminating forced/ unplanned shutdowns and disruptions due to scale buildup • Eliminating pump set/ equipment damage and replacement • Eliminating pipeline replacement • Efficient pumping and energy saving • All data/ datasets are structured and curated, useable for insights and training, and usable for data analytics

Cost Benefit

• Cost of replacement or failed equipment, maintenance and water quality • Pipeline replacement costs • Pumping and energy costs • In-depth understanding and verification of the molecular oscillation

Skills to be developed Reputational Benefit

• •

Data/ datasets ownership

Molecular Oscillation is effective for 5 years

Project Name

Testing of non-intrusive flow measuring devices (ultrasonic)

Pilot Area

Vereeniging Pumping Station

Type of Intellectual Material •

AI Algorithm, Data Driven Alerts and Decision-Making • Supervisory Control and Data Acquisition (SCADA) • Ultrasonic Clamp-on • Databases and Data Sets

Benefit

• Continuous monitoring and data collection to support predictive maintenance, trend analysis and informed operational decisions • Reduced water losses, inefficiencies identification and resource allocation optimisation. • No stoppage or interruption to pipeline operation • Integration to Rand Water Supervisory Control and Data Acquisition (SCADA). • Comprehensive pipeline flow analysis and accurate water flow balances. • Provision of critical data to support future planning and water-saving initiatives • All data/ datasets structured and curated • All data/ datasets are usable for insights and training • All data/ datasets are usable for data analytics • Comparative results to expensive magnetic flow meters for potable water systems • Devices are more cost effective • Maintenance cost

Cost Benefit

164

Rand Water | Integrated Annual Report 2025