bids are invited for tube cleaning work 1 - semikeshner 800 square meter heating surface , tube cleaning work 2 - semikeshner 1000 square meter heating surface , tube cleaning work 3 - semikeshner 1400 square meter heating surface , tube cleaning work 4 - vapor cell 950 square meter heating surface , tube cleaning work 5 - vapor cell 1000 square meter heating surface , tube cleaning work 6 - vapor cell 1500 square meter heating surface , tube cleaning work 7 - new quad set four-body vapor line juice heater included , tube cleaning work 8 - old quad set four-body vapor line juice heater included , tube cleaning work 9 - new juice heater no. 1, 2 and 3 (03 nos.) 240 square meter , tube cleaning work 10 - old juice heater no. 4, 5, 6, 7 and 8 (five nos.) 180 square meter , tube cleaning work 11 - pan no. 01 to 06 tube cleaning (six nos.) , remelting work 1 - during the crushing season 2026-27, as per the instructions of the chief chemist, remelting of b.i.s.s. sugar and washing and drying the empty bags and thereafter depositing them in the store. (50 kg bag) , remelting work 2 - during the crushing season 2026-27, as per the instructions of the chief chemist, remelting of brown sugar produced in the previous year 2025-26 and washing and drying the empty bags and thereafter depositing them in the store. (50 kg bag) , remelting work 3 - during the crushing season 2026-27, as per the instructions of the chief chemist, remelting the sugar scrap produced in the previous year 2025&26 at the designated location.