tender for part-a-daily cleaning of trash rack of khara power house round the clock for 24months by removal of bushes, shrubs grass, light & heavy debris & bodies of dead animals etc. and its disposal at suitable place (outside from khara power house premises) including daily cleaning and upkeeping of trash rack area of 5 m x 50 m including uprooting & disposal of bushes, shrub grasses twice in year near the sensor house at intake gate of khara power house twice a year. part-b-operation and to keep watch of tubewell behind diesel power house of khara power house for 24 months including its cleaning twice a year. part-c-operation and to keep watch of filtration plant of khara power house for 24 months including cleaning of filtration tanks twice a year.