Public Works Department-PWD has published Maintenance Of Water Supply System Repairs Servicing Of 2Nos 33Kv 3.3 Kv Outdoor Sub Stations Oil Filtration Of Transformers And Testing Of Relays On Control Panels At Gogal And Verna Clear Water Pumping Stations. Submission Date for this Tender is 24-10-2022. Transformer Oil Tenders in margao Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 10-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 24-10-2022 |
| Sl. No. | Item Description |
| 1 | Servicing and painting of33KV outdoor sub-station structures at Gogoland Verna pumping stations by :i) Cleaning of all Current Transformers, Potential Transformers,Lightning ArrestersandHTinsulators by using Provar Antitrack and tightening of all terminations. ii)ServicingofAir Break Switchesby cleaning the contacts of all3 phase by using Aerosol electrical cleaner, adjustingthe gap, replacing all corroded bolts, nutswashers etc.,applying petroleumjelly to all contacts and makingfree the operationof theAirBreakSwitches ,Scraping and applying one coat ofred oxide and two coats of Aluminum paint. of approved brandiii) Cleaningof Sub StationGIfencing,Scrapingand removing rust, and applying 1coatof red oxideand2coats ofAluminum paint of approved make as directed by Engineer-in-charge. |
| 2 | Filtration ofOil of 33KV/3.3KV,2000KVA Transformers at Verna Pumping Station and 1250KVA, 33KV/3.3KV Transformersat Gogol Pumping Station . |
| 3 | Toppingupof Transformer oilwith power oil make brand for 2000KVA transformers at Verna Pumping Station and 1250KVA , transformers at Gogal pumpingstation. |
| 4 | Servicing , Testing and Calibratingofprotective relays on33KV/3.3KV control panels at Gogal pumping station including repairs, replacing of contacts if any , confirmation ofhealthiness oftripping/ alarm circuit with test results as required. |
| 5 | Servicing , testing and calibrating of protectiverelays of33KV/3.3KV control panels ofVerna Pumping Station including repairs, replacing of contacts, Circuit wire tracing and rectifying, confirmation ofhealthiness of tripping or alarm circuit etc: |
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