Renovation rectification of damaged hydro generation units 1 and 2 of PVSHEP 4

Dismantling and Initial Inspection at PV-4 Site including complete dismantling of induction generator and auxiliaries, detailed inspection, recording of as-received condition, packing, loading, unloading, and all associated handling operations.

Transportation of Induction Generator and Auxiliaries from PV-4 Site to Workshop and back to PV-4 Site including packing, loading, safe transit, unloading, insurance, and all handling operations.

Comprehensive Mechanical Overhauling and Servicing at Workshop including thorough cleaning, inspection, bearing servicing (standard scope excluded as per exclusions), shaft and coupling checks, alignment verification, and complete mechanical refurbishment.

Electrical Servicing, Insulation Performance Improvement and Complete Testing at Workshop including drying and baking of windings, IR & PI value improvement, Tan Delta testing, winding resistance measurement, HV/LV tests as applicable, and submission of detailed test reports.

Re-assembly, Transportation, Erection, Alignment, Site Testing, Trial Run and Commissioning at PV-4 including final mechanical and electrical checks and satisfactory performance demonstration.

Replacement and erection of defective NDE Bearing no. NU226 - SKF or equivalent make

Replacement of defective DE Bearing no. NU1032- SKF or equivalent make