tender for tender for annual maintenance contract with material & supervision of complete ro (reverse osmosis) system for boiler feed water for the season 2026-27. , annual maintenance contract with material & supervision as and when required during crushing season 2026-27 of complete ro (reverse osmosis) system having one set as mentioned below for boilers feed water having capacity of ro=10 m3/hr. with following details of various parts which are as under: - a) dmf (dual media filter)- 01 no. b) carbon filter - 01 no. c) high pressure pump-01 no. d) cartage filter- 01 set (5 nos. filter) e) degasser unit-01 no. f) mixed bed unit - 01 no. the detail of chemical required during season 2026-27. i) cartage filter 5 micron-5 nos./month ii) lon treat 911(1) anti scalant-50kg/month iii) lon treat 912 (1) de-scalant-13kg/month iv) lon treat 912 (2) de-scalant-13kg/month v) activated carbon 800 iv-150kg/month vi) caustic soda-100kg/month vii) hydro choloric acid-100lts/month viii) resin 225 h (cation)-50kg/180 days for top-up in season ix) resin/ ffip(anion)-50kg/180 days for top-up in season x) lon treat 913 biodispersent-50kg/month make-sbiee (sri bharat lon exchange engineer, greator noida). note 1:- test of chemical used in annual maintenance contract at the discretion of mill.