*Potable water network. * Poly Ethelin pipelines of 200 & 500 mm 79.7 km length * GRP , R.C Pipelines 600 : 1400 mm and 19.24,12.48 km length Crossings : * upper crossings. * 10 drain crossings. * Steel crossing 1200 mm dia , 22 m length. * Crossing under Hehia railway 42 m length by hydraulic tunnel system through RC sleeve 2400 mm dia. To pass pipeline 800 mm dia. Potable Water Treatment Plant discharge 400 L/sec : 1200 L/sec. *7 elevated tanks .