National Aluminium Company Limited-NALCO has published Annual Maintenance Contract For Transformer Maintenance And Electrical Maintenance Work In Ash Pond And Water Treatment Plant => Limited. Submission Date for this Tender is 16-02-2023. Electrical Maintenance Tenders in angul Odisha. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Shifting of Transformer Oil Filter Machine as per Scope of Work |
| 2 | Shifting of Transformer Oil Storage Tank as per Scope of Work |
| 3 | Cleaning and Maintenance of Transformer Oil Storage Tank as per SOW |
| 4 | Disconnetion of all cables of Cooling Fan Motors of GT/ UAT/ SAT as per Scope of Work |
| 5 | Dismantling of Fan-Motor Set from foundation of Cooling Fans of GT/ UAT/ SAT as per Scope of Work |
| 6 | Shifting of Fan-Motor Set from foundation of Cooling Fan of GT/ UAT/ SAT to Maintenance Room as per Scope of Work |
| 7 | Dismantling of Fan & Motor of Cooling System of GT/ UAT/ SAT as per Scope of Work |
| 8 | Cleaning & overhauling of Cooling Fans & Motors of GT/ UAT/ SAT as per Scope of Work |
| 9 | Assembly of Cooling Fans & Motors of cooling System of GT/ UAT/ SAT as per Scope of Work |
| 10 | Shifting of Fans & Motors of Cooling System of GT/ UAT/ SAT fromMaintenance Room to Foundation as per Scope of Work |
| 11 | Erection of fans & Motors of Cooling System of GT/ UAT/ SAT on Foundation as per Scope of Work |
| 12 | Commissioning of Cooling Fans of Cooling system of GT/ SAT/ UAT as per Scope of Work |
| 13 | Erection of Scaffolding as per Scope of Work |
| 14 | Cleaning of 10.5 KV Generator Busduct as per Scope of Work |
| 15 | Assistance during Filteration of Trf. Oil as per Scope of Work |
| 16 | Construction of Temp. Maintenance Shed as per Scope of Work |
| 17 | Handling of Transformer Oil Hose as per Scope of Work |
| 18 | Welding of MS Structurals as per Scope of Work |
| 19 | Gas Cutting of MS Structurals as per Scope of Work |
| 20 | Rectification of Rectiformer Faults at Rectiformer Floor as per SOW |
| 21 | Dismantling of defective Rectiformer at Rectoformer Floor as per SOW |
| 22 | Shifting of Rectiformer from Rectformer Floor to Ground Floor as per Scope of Work |
| 23 | Shifting of Rectiformer from Ground Floor to Maint. Room as per SOW |
| 24 | Rectification of faults of Rectiformers at Maint. Room as per SOW |
| 25 | Shifting of rectified/ repaired/ new Rectifier Transformer from Maintenance Room tonearby Lift/ Hoist for lifting the Rectifier Transformer to the foundation of defective Rectifier Transformer as per Scope of Work |
| 26 | Shifting Rectifier Transformer from Ground Floor to its Foundation and assembly of all part as per Scope of Work |
| 27 | Commissioning of rectified/ repaired/ new Rectifier Transformer at Rectiformer Floor as per Scope of Work |
| 28 | Preventive Maintennace& Cleaning of Transformers except GT/ UAT/ SAT as per Scope of Work |
| 29 | Removal of Trf. Oil from Oil - Water Separator Pit as per Scope of Work |
| 30 | Handling of Transformer Oil Barrels at different Locations as per SOW |
| 31 | Replacement of GT Cooling Oil Pump/ Transformer Oil in OLTC as per Scope of Work |
| 32 | Maintenance of Busbars of PCCs & MCCs as per Scope of Work |
| 33 | Draining of Transformer Oil from Transformers except GT/ UAT/ SAT/ Rectifier Transformers & filling with new/ filtered Transformer Oil as per Scope of Work |
| 34 | Spray Painting / Brush Painting of Red Oxide as per the requirement with supply of materials as per Scope of Work |
| 35 | Spray Painting of Synthetic Enamel as per Scope of Work |
| 36 | Replacement of Silicagel in Rectiformer as per Scope of Work |
| 37 | Replacement of Silicagel in all other oil filled Transformers as per SOW |
| 38 | Removal of Grass/ Bush in Transformer Yard and safe disposal of the same in designated place as per Scope of Work |
| 39 | Top of Trf. Oil in Rectiformers as per Scope of Work |
| 40 | Top of Trf. Oil in all other oil filled Transformers as per Scope of Work |
| 41 | Cleaning of Rectiformer Floor,Rectifier Transformers and assistance in checking of healthiness in each Pass as per Scope of Work |
| 42 | Replacement defective B"holz Relay in GT/ UAT/ SAT as per SOW |
| 43 | Replacement defective B"holz Relay in all other oil filled Transformers as per Scope of Work |
| 44 | Disconnection of 220 KV Jumper and re-connection with same clmap or with new clamp as per the requirement & LAVT Isolation as per SOW |
| 45 | Arresting of major Trf. Oil. Leakages as per Scope of Work |
| 46 | Arresting of minor Trf. Oil leakages as per Scope of Work |
| 47 | Collection, Loading, shifting of materials from Central Store & unloading at site as per Scope of Work |
| 48 | Maint. of PCC/ MCC panel in DM plant as per Scope of Work |
| 49 | Maint. of Hoists/ Cranes as per Scope of Work |
| 50 | Maint. of Actuators/ Valves Drives in WTP as per Scope of Work |
| 51 | Shifting of testing Equipments as per Scope of Work |
| 52 | Removal & Refixing of modules after repair/ new modules in WTP as per Scope of Work |
| 53 | Water washing of GT/ UAT/ SAT as per Scope of Work |
| 54 | Water washing of oil filled Transformers except GT/ UAT/ SAT as per Scope of Work |
| 55 | Isolation of LAVT & NGR, Cleaning, Meggering of GT including Generator before overhauling and after overhauling, Re-connection of the same for synchronising of Units as per Scope of Work |
| 56 | Replacement of defective expansion Bellow of GT Bus Duct as per Scope of Work |
| 57 | Delinking of GT from 10.5 KV Bus Duct as per Scope of Work |
| 58 | Linking of GT to 10.5 KV Bus Duct as per Scope of Work |
| 59 | Delinking of UAT from 10.5 KV Bus Duct as per Scope of Work |
| 60 | Linking of UAT to 10.5 KV Bus Duct as per Scope of Work |
| 61 | Fault detection & Rectification in Marshalling Box of GT/ UAT/ SAT as per Scope of Work |
| 62 | Operation and Maintenance ofTransformer Oil Filter Machine/ Hot Air Blowing System of Generator Busduct as per Scope of Work |
| 63 | Collection of Trf. Oil Samples as per Scope of Work |
| 64 | Asst. for PM/ Repair job of Motor as per Scope of Work |
| 65 | Asst. for PM/ Repair job of Module/ SFU as per Scope of Work |
| 66 | Asst. for PM/ Repair job of ACB as per Scope of Work |
| 67 | Asst. for PM/ Repair job of Hoist/ Crane as per Scope of Work |
| 68 | Asst. for PM/ repair job of PCC/ MCC as per Scope of Work |
| 69 | Asst. for B/D Maintenanve of Motor as per Scope of Work |
| 70 | Asst. for B/D Maintenance of Module/ SFU as per Scope of Work |
| 71 | Welding including supply of Consumables as per Scope of Work |
| 72 | Cutting including supply of Consumables as per Scope of Work |
| 73 | Cleaning & Repair job of Control Panels as per Scope of Work |
| 74 | Overhauling of Oil Filled Transformers up to 3 MVA Capacity as per Scope of Work |
| 75 | Isolation/ Normalisation of Breakers/ Modules as per Scope of Work |
| 76 | Preventive Maintenance of Air Circuit Breakers as per Scope of Work |
| 77 | Preventive Maintenance of Modules as per Scope of Work |
| 78 | Fault Detection & Rectification in WTP as per of Scope of Work |
| 79 | Preventive Maintenance of Clarifoculator Dynodrive System as per SOW |
| 80 | Cable disconnection, connection and commissioning of LT Motors up to 75 KW as per Scope of Work |
| 81 | Providing 12 Ton Hydra including Operator for Lifting and Transportation of Heavy Materials as per the requirement |
| 82 | Replacement of GT LV Bushing with gasket as per Scope of Work |
| 83 | Inspection of Critical Transformers & Peripheral Transformers |
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