annual tender for 3.00 mld sewerage treatment plant 3.00 mld sewerage treatment plant in s.no77 madavilagham revenue operation and maintance works involving manpower and consumables for the year 2024-28 , engaging 20 man power to operate 3.00 mld sewerage treatment plant , plant manager - consultant , shift in - charge , mechanic cum operator , electrician cum operator , instrumentation technician consultant , chemist - consultant , pump operator , helpers , safety officer consultant , gardener , security gardener , section b , user fee collection staff for de-sludging operators , consumable cost , administrations cost , monthly liquid chlorine (as per requirement) per litre , note- necessity of diesel will be supplied by department based on power shut down period requirement