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| 1 | De-scaling of 16 Lakh Kcal/h hot water generators with 260Kg de-scaling chemical make alpha –D/Thermax de-scaling chemical naturalizing with caustic soda flushing with water mechanical scrubbing from inside, removal of scale & disposal of scale to scrap yard as per instruction of Engineer-in charge. |
| 2 | De-scaling of heat exchanger of capacity 10 Lakh kcal/h with 320Kg de-scaling chemical make alpha/thermax De-scaling chemical rinsing with water, naturalizing removal of scale after mechanical scrubbing etc. Complete as required. |
| 3 | De-scaling of AC heat exchanger of capacity 4 Lakh kcal/h with 200Kg de-scaling chemical make alpha/thermax De-scaling chemical rinsing with water naturalizing, removal of scale after mechanical scrubbing etc. Complete as required. |
| 4 | Providing and fixing of special quality graphite coated manhole gasket for hot water generator, heat exchanger and AC heat exchanger complete as required. |
| 5 | Roding cleaning and brushing of tubes, furnace of hot water generator removal of carbon & disposal of carbon complete as required. |
| 6 | Providing and fixing of 25mm dia asbestos rope 05Kg for front and rear door of hot water generator complete as required. |
| 7 | Providing, fixing & installation of front / rear door gaskets made out of special quality asbestos packing of size 1/1/4x6mm 30 feet long asbestos packing with nuts, bolts, and washers for heat exchanger complete as required. |
| 8 | Welding of M.S tikki on leaking tubes at both ends of hot water generators as per requirements the job includes opening and cleaning of doors complete as required. |
| 9 | Servicing and cleaning of PNG fired Gas Burners of Riello/Unigas make including calibration of relays, wiring, setting of motors with PCB card etc. As per direction of Engineer-In-Charge. |
| 10 | Providing & fixing of 2300mm X 700mm X 16mm baffle plate after cutting & removing old and damaged baffle plate & fixing of new one with welding of anchor complete as required |
| 11 | Proving & fixing of pressure gages with syphon & cock welding and fixing of M.S. socket etc. for hot water generator & heat exchanger complete as required |
| 12 | Providing & fixing of temperature controller for temperature control of and automation for hot water generator /heat exchanger complete as required |
| 13 | Dismantling, supplying, installation, testing and commissioning of spare parts required for PNG Gas burners, RIELLO make, Model Gas 7/2 burner installed at hot water generators. The list of spares as per requirement mentioned as under. |
| 14 | Transformer |
| 15 | Air pressure switch |
| 16 | Control box |
| 17 | HT Lead |
| 18 | Electrode |
| 19 | Servo Motor |
| 20 | Gas pressure switch |
| 21 | Gas Filter 1 ½\\" Dia |
| 22 | Flange gasket |
| 23 | Connector |
| 24 | NRV 1 ½\\" |
| 25 | Hose pipe ½\\" Dia |
| 26 | Gas butterfly valve 2\\" Dia |
| 27 | Supply, repairing & fixing of fire Crete refractory on front and back doors, baffle plates, furnace chamber, back plate as and when required. Please Enable Macros to View BoQ information |
