Announcement to pre-qualification for specialized companies for the project of Upgrading  Janzor Depot Control room that  includes : Replacement of existing equipments and  supply & install a new ( PLC ) modern system for control and operation. Supply & Install  level transmitter gauges  , supply & install truck loading meters for heavy fuel oil, and gas oil  loading arms and meters . Replacement of tanks  inlet & outlet manual valves  with motorized valves . Replace ,  supply & install  of two custody meters on power station pipeline,  Supply of master flow meter to calibrate and check truck.