The project consists of implementing household connections of 25 mm and 32 mm in diameter and replacing all magnetic tools with electronic devices with diameters of 25 mm and 32 mm in all neighborhoods of the Arar city and implementation of pottery pipes for slope lines with diameters ranging from 160 mm to 500 mm and Ductile Iron Pipes. And polyethylene pipes for the expulsion lines with a total length of 44 km, the approval of soil works and surveying them, and the number of (3) pumping stations, and the approval of architectural, structural, mechanical and electrical designs for them.