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| # | Company | Status |
|---|---|---|
| 1 | Admitted-Fee/PreQual/Technical/Finance | Admitted-Fee/PreQual/Technical/Finance |
| 2 | Admitted-Fee/PreQual/Technical/Finance | Admitted-Fee/PreQual/Technical/Finance |
Tender Value
₹21,000
Closing Date
4 May 2022, 2:00 pmClosed
Executive Engineer, MID Srinagar
Zaldagar Sgr
Electrical repair to 25 KVA HT Transformer at Tubewell Irrigation scheme Gariend
2022_IFC_166813_2
eNIT-01
Open Tender
Electrical and Maintenance Works
Item Rate
10 days
Head Quarter
Please refer Tender documents.
2 documents required · 2 mandatory
₹100
Yes
Executive Engineer, MID Srinagar
Yes
5 May 2022
16 Apr 2022
5 May 2022
16 Apr 2022
4 May 2022
16 Apr 2022
Amount
Mechanical transportation, loading, unloading and handling of various items such as HT transformer etc.using Load carrier auto, mini van or similar and then shifting back of the same after carrying out necessary repairs at site.
Dismantling of 33/0.4 kv or 11/0.4kV transformer by way of disconnecting of all HT and LT connections, opening of top lid, draining out of T. Oil and its safe placement for further refilling, taking out of coils after removal of core assembly, etc. Job also includes detaching of core HV/LV coils. upto 25 kVA
Rewinding of Aluminium wound 3-Ph 11/0.44kV distribution transformer by way of P/F of HT Aluminium wound torroidal coils of proper gauge, insulation and separated with proper specification by way of using silicon taping, teflon paper, cork sheet and Bakelite sheets. Complete winding to be done and connections coming out duly insulated. LT windings shall be circular and concentric with HT windings on the outside. (1.9kg weight of coil). The connections shall be connected in delta or star for primary winding and secondary winding as specified, the neutral with separate insulated terminal. The job also includes decarburising laminated core. The core then firmly fixed with channelled frame to prevent noise and vibration. The arrangement of winding shall made robust in electrical /mechanical construction and should permit free circulation of oil to avoid hot spots. (Note: The unserviceable scrap aluminium windings extracted shall be property of the firm and is taken into account for estimation of rates).25 kVA rating
Dehydration of transformer core(upto 500Kva) in Electrically operated oven
Filtration/dehydration of existing T-oil (Process loss 10%)
Providing of transformer oil conforming to IS 335 (Preferred make: Indian Oil Servo/ HPCL) as Topping
Complete assembling of 33/0.4 kv or 11/0.4kV transformer after cleaning of tank, fitting of coil assembly in the tank. Job further includes closing of the transformer lid by way of fitting of existing nuts/bolts and gaskets, insulators, etc. Refilling of t.oil upto required level in tank. Reconnecting of HT/ LT connections and testing. upto 25 kVA
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