regarding item rate contract for the purpose of preparing technical-estimates for water purification plant (ro) and its spare parts , subwork 1 :- 50 lph capacity ro plant , supplying and erecting ro+ultra violet storage type water purifier (ro+uv+uf) including all accessories of 50 lph capacity with transportation, loading, unloading etc. complete. , repairing & maitenance of 50 lph ro with 1 year free replacement of material and free servicr for 5 years. , subwork 2 :- 100 lph capacity ro plant , supplying and erecting ro+ultra violet storage type water purifier (ro+uv+uf) including all accessories of 100 lph capacity with transportation, loading, unloading etc. complete. , repairing & maitenance of 100 lph ro with 1 year free replacement of material and free servicr for 5 years. , subwork 3 :- 250 lph capacity semi automatic ro plant , supply of r.o water purifier having capacity250l/hr including all necessary accessories , 1) raw water pump 0.5 hp 2)sand filter 3) carbon filter 4)micron filter 5 mic 20 5) control panel 6) anti scalatant dosing pump 0 to 6 lph 7) rota meter 0 to 500lph (2qty) 8)pressure guage 0 to 7 kg/cm2 (2 qty) 9) membrane 40/40 (1 no.) 10) ss pressure vessel 40/40 11)high pressure switch 12) low pressure switch 13)floaty 14)uv system 15) high pressure pump 1 hp , installation, transportation, loading, unloading, pipes, accessories fitting etc. for 250 lph ro system. , repairing & maitenance of 250 lph ro with 1 year free replacement of material and free servicr for 5 years. , subwork 4 :- 250 lph capacity fully automatic ro plant , supply of fully automatic operated r.o water purifier having capacity250l/hr including all necessary accessories. , 1) raw water pump 0.5 hp 2)sand filter with auto multi port valve 3) carbon filter with auto multi port valve 4)virgin micron filter 5 mic 20 5)nxt control panel for auto operation 6) digital anti scalatant dosing pump 0 to 6 lph 7) rota meter 0 to 500lph (2qty) 8)pressure guage 0 to 7 kg/cm2 (2 qty