Tender For hydraulic pressure testing and refilling of old fire extinguisher along with supply, installation of new afff type fire extinguisher, fire extinguisher, accessories and safety poster at sharda power house, lohiahead 2.annual maintenance of tube wells, pipe lines, cooling water pumps & cleaning of underground cooling water filtration tank along with cleaning of grass, bushes, rubbish etc near cooling water pump house, shaft seal tank area, emulsifier pump house area & premises at sharda power house lohiahead. 3.in situ machining of collector ring of the excitation system of unit 1, 2 & 3 at sharda power house, lohiahead. 4.repair of borewell pump-motor set, ceiling fans, exhaust fans of 40 mva transformers, 20 mva transformers, turbine hall and battery room at sharda power house, lohiahead on open tender basis