Annual Maintenance Contract for High Tension Electrical Equipment Electrical Sub-Station3 Nos Included HT and LT Panel Switches Breakers, Command and Control System, Communication Network installed at GC,CRPF Greater Noida.

One Operator/Electrician/Line-Man per day (24x7)

Existing HT Panels,LT Panel ,Transformers,Automatic control panel with capacitor, Distribution PANEL ,Feeder Pillar.3 Nos H.T. PANEL & H.T. LINE:The panel shall be maintained as per the frequency indicated below. Shut down in prescribed proforma must be taken before attending to this panel. Solid earthing must be done after making the busbars dead. Only licensed and registered Technician / Supervisor will be allowed to attend to H.T. SystemFor panel, insulation test for phase to phase and phase to earth with 5000 v meggar are to be carried out once in a year and to furnish certificate. To check overheating & Temperature rise once in month.

10 Nos TRANSFORMER 750 to 1600 KVA DRY TYPE CAST RESIN TRANSFORMERS 11KV /433V:Dehydration and filtration of dirty transformer oil for transformer with dehydration filter machine. Supply and topping of transformer oil in conservator tank and including replacement of dirty silica gel in 5 transformers.Various connections of the transformer e.g. L.T. Connection neutral & Body – earthing are to be checked once in three months and if found loose is to be tightened. Bushings are to be examined for crack and dirt deposit and are to be cleaned or replaced as necessary once in three months. Checking of neutral earth and equipment body earth once in a year. Insulation testing of the following once in three months. i. Between L.T. and Earth with 1000 v meggar ii. Between H.T. and Earth with 5000 v meggar iii. Between H.T. and L.T winding with 5000 v meggarTo check noise /humming sound & temperature rise (over heating) once in three month.General cleaning of transformer to keep if free from dust and soot’s once in three month. The Agency is liable to furnish certificate regarding c & d above.

PAN INFRA OVERSEAS