Saudi Aramco awarded a contract to Zamil O&M Company for the operations and maintenance of its water treatment facilities in Riyadh, Madinah and Dawadimi. The scope of work includes provision of all resources including manpower, supplies, equipment, and transportation to provide fulltime scheduled operation and regular/preventive maintenance, and non-scheduled services The maintenance activities includes but not limited to daily checks, routine maintenance activities as per the MBR/STP operating instructions, daily cleaning of filters, monthly chemical cleaning, equipment/sensors calibration and any maintenance activities in the MBR plant; as well as provision of required tools and man power to repair any faulted equipment