tender for renovation and modernization of chep-ii ( as per detailed scope of work in sbd ) ; 2 replacement of governing systems, opu and pipe lines etc. including turbine oil with 20% extra. 3 over hauling of generators and repair of excitation systems 4 replacement of existing control, protection and metering panels with latest numerical protection relays and digital meters etc. 5 replacement of turbine shaft unit -1 6 provision of cctv at p / h 7 modification and general overhauling of eot crane 8 replacement of 6.6 kv switchgear and lavt / ng panels 9 replacement of station service board ac & dc panel 10 provision of fire protection system 11 provision of drainage pumps 12 improvement in illumination of p / h & sy including high mast lights. 13 earthing of power house & switchyard 14 overhauling of defective bfv and replacement of seals in the bfvs of turbines in the power house 15 maintenance of 6.6 kv lines. 16 repair of cable trenches, drains and replacement of trench covers in power house and switchyard 17 providing 24 v 300 ah battery set with charger