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| 1 | Repairing of secondary air duct of furnace wind box (left/right). | Repairing of secondary air duct of furnace wind box (left/right). |
| 2 | Servicing/revisioning of secondary air dampers of wind box. | Servicing/revisioning of secondary air dampers of wind box. |
| 3 | Servicing / revisioning of Hand/ Motor operated Flue gas/ Primary Air/ Secondary Air dampers. a. Disconnecting the damper link by taking out the link pin.b. Removal of gland bushes & packings, filling of new gland packings to arrest leakage if any.c. Repairing of gland bushes if found eroded.d. Making the damper free for smooth operation. | Servicing / revisioning of Hand/ Motor operated Flue gas/ Primary Air/ Secondary Air dampers. a. Disconnecting the damper link by taking out the link pin.b. Removal of gland bushes & packings, filling of new gland packings to arrest leakage if any.c. Repairing of gland bushes if found eroded.d. Making the damper free for smooth operation. |
| 4 | Repairing/ replacement of eroded flaps of various Flue gas/ P.A/ S.A. dampers by providing M.S plates, which shall be provided by the department free of cost. | Repairing/ replacement of eroded flaps of various Flue gas/ P.A/ S.A. dampers by providing M.S plates, which shall be provided by the department free of cost. |
| 5 | Repairing of Stainless Steel Shafts of By-plane dampers by welding/ filling of weldments on eroded portion by S.S. welding electrodes and providing Stainless Steel sleeve over there. | Repairing of Stainless Steel Shafts of By-plane dampers by welding/ filling of weldments on eroded portion by S.S. welding electrodes and providing Stainless Steel sleeve over there. |
| 6 | Repairing of Flue gas/ Primary Air/ Secondary Air duct by providing M.S plate over eroded portion and their welding. | Repairing of Flue gas/ Primary Air/ Secondary Air duct by providing M.S plate over eroded portion and their welding. |
| 7 | Welding of various ducts to arrest leakage of Air/ gas. | Welding of various ducts to arrest leakage of Air/ gas. |
| 8 | Repairing/ replacement of damaged bracing pipes of various flue gas ducts. | Repairing/ replacement of damaged bracing pipes of various flue gas ducts. |
| 9 | Repairing/ replacement of eroded Beam of Duct of section 150 mm and above. | Repairing/ replacement of eroded Beam of Duct of section 150 mm and above. |
| 10 | Chequering of plate in the straight/ slant zone of duct above Flue Gas Inlet Dampers below Economiser or any other section of Boiler & its spares by sequence welding of 10 cm sq. chequer. | Chequering of plate in the straight/ slant zone of duct above Flue Gas Inlet Dampers below Economiser or any other section of Boiler & its spares by sequence welding of 10 cm sq. chequer. |
