Bharat Sanchar Nigam Limited Tender
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The BSNL has issued a formal invitation for competitive bids for the Bharat Sanchar Nigam Limited project, for Providing One Time Maintenance And Oil Filtration Of 2 X 400 Kva Indoor Substation At Main Telephone Exchange Bijapur. I Recall. in Vijayapura, Karnataka, with an estimated contract value of Rs. 1,69,980. The bid opening date for this tender is 28-05-2025 and the last date for bid submission is 06-06-2025. Interested bidders for Bharat Sanchar Nigam Limited tender can download the important documents here to check the scope of work, eligibility criteria and technical requirements.
Bharat Sanchar Nigam Limited - BSNL Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date28 May 2025
Closing Date6 Jun 2025
Tender Amount₹ 1,69,980
Costs
EMD
₹ 3,400Document Cost
₹ 590Tender Fee
Refer Documents
Summary
Providing One Time Maintenance And Oil Filtration Of 2 X 400 Kva Indoor Substation At Main Telephone Exchange Bijapur. I Recall.
Description
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Contact
Tender Id
2025_BSNL_236770_1Tender No
119/CEE/BSNL/KEZ/ BGL/24-25Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://bsnl.co.in
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Documents
Providing one time maintenance and oil filtration of 2 x 400 KVA indoor substation at Main Telephone Exchange Bijapur. I RECALL.
Providing one time maintenance and oil filtration of 2 x 400 KVA indoor substation at Main Telephone Exchange Bijapur. I RECALL.
BOQ Items
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Supplying and fixing of silica jell in polycarbonate breather of the existing 250KVA/400 KVA transformer etc., as reqd.
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100
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Replacing existing faulty LED indication lamps by new one in the existing main LT panel/HT panel of 230/110V grade etc as reqd.
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100
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Arresting of transformer oil leakage including disconnection of HT/LT cables , removing of transformer top cover, replacing gaskets and oil seals , reconnecting HT/LT cables , testing etc. complete as reqd.
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100
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Servicing of 11KV HT panel consisting of one incoming from metering cubicle and two outgoing to 2 Nos transformers such as lowering of breakers, drawing out from the panel, greasing of all the moving components of the switch for smooth functioning, checking CT PT etc. checking metering portion, repositioning the breakers testing with load etc. as required.
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100
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Filtration & dehydration of oil of 11 KV , 400 A OCB (11KV HT panel consisting of one incoming from metering cubicle and two outgoing ) i/c testing , furnishing test report for each equipment etc. as required.
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100
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Supplying and keeping of Class-2, rubber hand gloves suitable for proof Voltage 20000 volts and Working Voltage 17000 volts, as per IEC 60903-2014 in a suitable water resistant cover as required.
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100
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Supplying and laying of ISI marked 3 mm thick rubber mattings for HT panel etc as required.
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100
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Supplying and laying of ISI marked 2 mm thick rubber mattings for LT panel etc as required.
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100
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Calibration, testing checking & correcting of pick up time and closing time of IDMT relay ( consisting of over current and earth fault relay in each set) unit of the HT panel/LT panel & setting the desired over current & earth fault level with standard testing kit(secondary injection method) checking shunt trip circuit,auxilary switches & submit the test certificates etc, as reqd
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100
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Servicing of Main MV Panel and Capacitor panel completely by (a) checking and tightening all the terminations of switches/bus bar of power & control circuit wiring, selector switches, i/c replacing the burnt terminations with suitable size lugs (b) checking interlocking arrangement of various switches & their operation.(c) servicing of air circuit breakers (d) Checking the capacitor panel capacitors, APFC Relay, operation of panel in Auto/Manual mode completely etc complete as reqd.
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100
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Supplying and Fixing of HT current transformer of ratios 7.5A/1A as per site requirement with Burden of 3.75 VA, Accuracy class 0.2S and suitable for 11KV HT supply in the existing HT metering cubicle panel i/c reconnections with existing wires / bus with necessary replacement / suitable modifications as per requirement, The work also involves "CT testing , Arranging for HESCOM power supply shut down & MRT AEE for testing & commissioning etc., as required.
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100
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Supplying and Fixing of 11KV Indoor Epoxy Resin cast CT wound primary Type Single Phase 50Hz Ratio 25A/5-5A (Duel Ratio CT) CORE-1: Class 1.0 Burden 15VA CORE-2: 10P10 Burden 15VA in the existing HT panel i/c reconnections with existing wires / bus with necessary replacement / suitable modifications as per requirement,STC 525 X Ip , Time:2 sec, ILV 12/28/75Kvp Insulation Class-B Reference standard IS 16227-1&2 Complete as required
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100
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Supplying and Fixing of 3-Phase 4-wire HT Energy Meter of HESCOM specification and testing by HESCOM authorities i/c Removing of Faulty energy mater and Handing over to HESCOM Authorities (Make L&T/SS)
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100
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S.I.T.C. of 11 KV, 3 Phase, 400A HT Gang operated switch (Double Break Type) on existing H-Channel suitable for 2 pole outdoor structure and for switching off the HT supply from distribution system including removing old faulty GOS etc.as required.
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100
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