tender for operation and maintenance of sewage treatment plant ( stp ) , collection of hydro meteorological data . , providing manpower assistance for observing and maintenance of hydrometeorological data and structural & other miscellaneous work at various adits & surge shaft area as per the direction of engineer-in-charge . ( semi-skilled ) . , providing manpower assistance for evaluation of silt data and operation of 15 kld capacity sewage treatment plant as per the direction of engineer-in-charge . ( skilled ) . , providing consumables on monthly basis for operation of 15 kld capacity sewage treatment plant as per the scope of work and as per the direction of engineer-in-charge . , providing ppe , minor t&p and consumable for operation of 15 kld capacity sewage treatment plant as per the scope of work and as per the direction of engineer-in-charge ( to be provided at the start of work ) .