tender for internal and external cleaning of boiler -boilerdetails of work:-1. 308 nos. water wall tubes external cleaning.2. 92 nos. p.s.h & 47 nos.s.s.h tubes external cleaning.3. 1716 nos. boiler bank zone tubes external cleaning.4. 32 coils of all three zones of economizer coils external cleaning.5. aph tubes internal wire brushing work 6060 tubes of both pass.6. ash removal from all boiler zones.7. 06 nos. rotary & 06 nos. screw feeder’s internal & external cleaning.8. bagasse & ash silos & hopper’s internal & external cleaning.9. bagasse chutes, deflector plates & buck stays internal & external cleaning.10. all platforms, structures & roof of boiler house internal & external cleaning.11. chimney ash removing & internal cleaning.12. complete ducting of boiler internal & external cleaning.13. d. m. water storage de-aerator, feed tank, all condensate & reject water receiving tanks internal & external cleaning.14. all rotary air lock valves internal & external.15. complete esp internal & external cleaning of 1st field and 2nd field including inlet and outlets nozzles and hoppers.16. r.o. plant internal & external cleaning.17. service water pits internal & external cleaning before start of crushing season.