We were awarded the contract for water management on this site in January 2000 as part of a performance contract with the Department of Public Works in Johannesburg. The aim of the contract is to reduce water consumption and to monitor the consumption thereafter. After the preliminary investigation, our report for implementation would include leak detection, pressure control, upgrade of certain fittings etc. but this does not reflect the potential of savings. That surprise only started to unfold in the next six months. Read on to see the detail.