The purpose of the project is to prepare studies and designs for sewage projects of Hail and provide appropriate solutions and alternatives engineering to choose the best by designing wastewater projects and prepare implementation contracts, public and private specifications and conditions for the implementation of the works and prepare final detail drawings of the projects required examination

- preparation of studies and designs for the number of 17 cities in Hail

- Works that has been designed : - The total length of the sewage networks and expulsion lines: 3,700 km

- The total number of Lifting stations: 37 stations  

- Total number of bowser gate: 4

- Total number of wastewater treatment plant of different capacities (10000 - 5000-3000 - 2500-1500) m3 / day: 17-treatment      plant

- Preparation of environmental studies for 10 different treatment plants

The study included the selection and location of stations and the environmental impact resulting from these sites and how best to use the treated water and adopting the results of environmental studies from the General Authority for Meteorology and Environmental Protection