City Of Tshwane Metropolitan Municipality has published tender for the supply, delivery and off-loading of cationic polyelectrolyte blends and polyacrylamides for potable water purification and sewage sludge conditioning respectively, as and when required at various water and wastewater treatment works of the city of tshwane, over a 3-year period, pretoria. Bidders can get complete Tender details and download the document.