Tender For supply of mechanical and electrical equipment testing at vijayawada terminal hpcl - calibration of pressure gauge , calibration of dpg , calibration of vaccum gauge , calibration of 6 inch pv vent , calibration of 4 inch pv vent , calibration of 3 inch pv vent , calibration of tsv prvs , calibration of pressure transmitter , testing and calib protection relay , transformer oil testing , transformer oil filteration , supply and fixing of mesh fixed funnels , ht breakers maintenance , lt breakers maintenance , testing of current transformer , maintenance of earthpit , calib of ele measuring instrument , testing of elec hand gloves 22 kv , testing of elec hand gloves 36 kv , amc of air conditioner , testing and calib of acb overload relay , testing and calib of auxilary relay , testing and calibration of thermal relay , amc testing and calib of soft starters , testing of insulation mat , cas charging for ac , thermography of panels , healthiness of 11 kv vcb bottles , transformer wti and oti calibration , high mast steel wire rope testing , ttg steel wire rope testing , twg steel wire testing