Execution of sewage networks contracts No. 13 and 14 in the central northern regions of Jeddah. The project includes the implementation of Sewerage lines of more than 1500mm diameters made of reinforced concrete, pottery and fiberglass, the project also includes horizontal drilling works with diameters of more than 1500 mm and lengths of more than 2 km, as well as technical support studies for the Jeddah Business Unit