In Adana City Hospital water treatment plant, sedimentation, activated carbon, and softening systems were designed with a flow rate of 2,400 m3/day, and their installation was completed. Construction of the Hospital has been undertaken by Rönesans Medical Construction Co. within the scope of the ppp project. Chlorine automation related to the removal of pathogenic microorganisms from the source of drinking and service water of the hospital, UV sterilizers were added to the system, installed and commissioned. Flushing (special chemical washing process) processes have been applied to the heating and cooling lines, which have a total water volume of 1,500 m3 within the hospital, after taking the process under control, the necessary reports have been prepared, and the system has been handed over. The water treatment conditioning program has been started with the addition of the related protective chemicals (scaling, corrosion and microbiological activity inhibitor) to the systems.