The project entails the detailed study and design of 338 km of water systems and 437 km of sewerage networks to enhance water supply and sanitation infrastructure in the cities of Rabigh and Kaamil within the Makkah Region. It focuses on developing transmission lines, storage tanks, pumping stations, and treatment plants in two phases (up to 2030 and 2050) to meet current and future demands. The study also incorporates environmental assessments, value engineering, renewable energy integration, and comprehensive infrastructure planning, ensuring sustainable urban growth and efficient service delivery