(1) With regard to the presentation made by Rand Water to the Portfolio Committee on Water and Sanitation on 25 February 2015 regarding water outages in the Ekurhuleni Metropolitan Municipality in Gauteng, why has Rand Water not implemented its own recommendations, specifically with regard to the installation of independent power supplies at its pump stations; (2) by which date will all the pump stations operated by Rand Water have independent power supplies installed?