Over 10 dialysis centers facilities was introduced in KSA, the locations were in Jeddah, Makkah, Medinah, Riyadh, Dammam, Khobar, Jazan, and other locations, each center varies with the number of dialysis chairs from 20-40 unit, also, the centers are equipped with emergency and minor OR rooms. the scope was full MEP design and supervision for the electro-mechanical systems.