National Hydroelectric Power Corporation Limited has published Tap Changer Oil Leakage And Gasket Replacement / Overhauling Work Of Spare Generator Transformer ( Gt ) Of Gec Alsthom Make ( Si. No. B-29087 Makers Reference No Dt-5939 ) , At Rangit Power Station. Submission Date for this Tender is 25-07-2022. Railway Ancillaries Tenders in rangit Sikkim. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 09-Jun-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 16-06-2022 |
| 2 | 22-Jun-2022 | crrigendumI | Date | 06-07-2022 |
| 3 | 11-Jul-2022 | cORRIGENDUMII | Date | 25-07-2022 |
| Sl. No. | Item Description |
| 1 | Supply of Off Circuit Tap Switch Handle Mechanism compatible to existing one. Including Packing and Freight Charges on Door Delivery basis |
| 2 | Cost of Gasket (1270mmx1000mmx10mm)-3 , (1270mmx1000mmx8mm)-5 Nos, ( 1270mmx1000mmx6mm)-4 Nos, ( 1270mmx1000mmx4mm)-1 Nos & Bushing Oil Seals inclusive Transport F.O.R Rangit Power Station basis. Including Packing and Freight Charges on Door Delivery basis |
| 3 | Consumable Materials: Creep Paper, Fevicol, Scotch, Bite, Dendrite, LV Bushing, Oil Seal(1 Set), Old Cloth, Jute, Acrlylic Sheet, Marshalling Box Door Gasket, Gauge Glass, Neoprene Door Gasket and Acrylic Sheet Mounting Neoprene Gasket .Including Packing and Freight Charges on Door Delivery basis |
| 4 | Service Charges for Total Gasket & Oil Seal & Off Circuit Tap Switch Handle Mechanism Replaced and overhauling of the Transformer at NHPC, Rangit Scope of Work: Oil Draing in to Storage Tank, Replacement of Tap Changer Handle Assembly and its Operation Check, Opening of Top Cover along with Conservator, Buchholz Pipe Line, Radiators, Cleaning of all removed items, Replacement of total gasket including conservator, Replacement of oil, Removal of Dirt and Sludge from the main tank after washing the active Part by hot Oil, Closing of Top Cover along with fixing of all removed accessories, Replacement HV/LV Bishing Gaskets and Oil Seal Vacuum Drying of active will be carried followed by Oil Filtration |
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