** Potable water networks : * Precast RC pipelines 700 mm & 1200 mm with length 16.6 km. * Polyethylene pipelines 560 mm & 710 mm with total length 10.8 km. * UPVC pipelines from 225 : 450 mm dia., 58.928 km length. * 5 nos. elevated tanksfor ( al gbrat -el sheikh zayed-bany harb -tahta- al swaama)