tender for item 1 , item 2 , item 3 , item 4 , item 5 , item 6 , item 7 , item 8 , item 9 , item 10, annual repair and maintenance of ug tank and rainwater harvesting pit, water softener resins (ion exchange resins, packing 50 litres ldpe bag), filter media refilling (replacement of pebbles, gravels and activated carbon in acf and mgf as per requirement ), pump servicing (replacement of oil seal and packing), pump repair and servicing (capacity 15 hp, includes winding, replacement of bearings, oil seal and packing), dosing pump (mechanical diaphragm type metering pump flow rate of 0 to 10 lph pressure of 4 kg per cm2 pump and drive mounting base pf m s coupling guard ss304hp per kw per rpm of 0.25 and .018 and 1440), disinfectant tablets (dis infectant tablets for water purification), regeneration system (resins regeneration system), wtp ug tank repair and fittings (includes replacement of defective piping components and fittings), service charge (wtp ug tank plant re commissioning), rain water harvesting pits cleaning job work (through cleaning of all the 11 rain water harvesting tanks includes clearing of debris, silt, disinfection etc)