* Potable water networks: - UPVC pipelines from 110 : 400 mm dia. , 107.16 km length. * Wastewater networks: - UPVC pipelines from 160 : 500 mm dia. , 28.467 km length. - VC pipelines flexible joint from 24'':28" dia., 31.83 km length. - 612 sumps to drain the rains water .