bids are invited for facility management services - lumpsum based - tertiary treatment plant at anupuram; operation and comprehensive maintenance of (zero point 3 mld) tertiary treatment plant at anupuram during the year 2026 to 2027; consumables to be provided by servic.. - treatment of secondary treated water from the stp clarifier by collecting the same in the sump and feeding the uf skid via polypropylene bag filters involving the various sequences of operation including backwashing maintenance of uf membrane by operating the cip pump periodically and further sterilising the uf premeate in ozonator with the maintenance of all mechanical & minor instrumentation equipment installed in the plant including all valves/meters, online monitoring system in plc/hmi and all automatic controlled system, rectifying the leakage/repair if any. recording the inlet and outlet water parameters etc., all complete as per approved process flow diagram/ specifications and as directed by engineer-ln-charge. , collection of s les and testing the clarified s le and tertiary treated s le in any authorised government agencies and recording the same, etc., all complete and as directed by engineer-ln-charge. , collection and conveyance of sewage sludges settled in raw sewage collecting sump situated at tertiary treatment plant at anupuram township to outside of the township by using sewage lorry of capacity not less than 6000 litres per trip including cost of men, materials, machineries and suitable safety gears as required for this work, etc., all complete and as directed by engineer-ln-charge.note: suitable precaution shall be taken while collection and disposal of sewage sludge to avoid asphyxiation , providing, installation, testing and commissioning of complete set of wireless radar-based water level indication system for monitoring water level in an overhead tank of depth up to 3.5 m, located at a height of 60 m above ground level, with level display in the pump house located approximately 300 m away.the system shall include a non-contact radar level sensor, transmitter, rf communication system (minimum 500 m line-of-sight range), 3.5-inch digital display unit, high and low level alarms, mounting arrangements, junction boxes, cabling, power supply, and all accessories required for complete and satisfactory operation, as per the detailed scope of work, technical specifications, and as directed by the engineer-in-charge.