Bharat Sanchar Nigam Limited Tender
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Costs
EMD
₹ 19,222Document Cost
₹ 590Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_BSNL_193986_1Bid Award Id
ViewTender No
01/EEE/BSNL/DMP/2024-25Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://etenders.gov.in
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Documents
Rate Contract for Repair / Replacement of 11kV/415V Distribution Transformer up to 63 kVA at Various BTS/TE under Nagaland BA.
BOQ Items
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Arrangement of repaired/ refurbished 3 Ph distribution transformer upto 63 kVA similar to the faulty transformer of same capacity and same winding materials, with full quantity of transformer oil, properly tested for winding resistance, insulation, temparature raise, ratio, OC&SC tests i/c checking of leakages, bushing terminal etc complete as required as below.
Note:- 1. Firm should provide one year warrenty of the replaced transformer.
2.Test results should be submitted to engineer -in-charge before installation.
4. Liasoning with DOPN authority for HT Line clearance is agencies responsibility.
5. The faulty transformer shall be tested for winding failure/ burnt in presence of site incharge (JTO/SDE) A) 0-25 kVA (11kV/440V)
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B) 26kVA - 63 kVA ( 11kVA/440V)
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Providing and fixing 6 mtr 40 mm vertical pipe and oprating shaft consistes of gears, levers and lingages enabling all the phases opening or closing simultaniously of the 33kV AB switch etc., as required
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Providing and fixing of Hot dipped galvanised steel channel base frame suitable for housing the 11 kV AB Switch operating mechanism and all parts on pole and clamping arrangement , cutting welding i/c bolts and nuts, making good etc., as required.
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Providing and fixing of 11 kV porselain post top insulators in the existing line for connecting 11 kV GOS i/c necessary supports and hardware etc., as required
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Providing metal parts for 11 kV GOS suitable for double break system, i/c 6 Nos Female contacts and male fixing rods including fixing at the existing support and providing arcing horns, testing for mechanical strength etc., as required
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Providing and fixing of 11 kV GOS handle with suitable locking arrangement either the open or closed position etc, as required.
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Supplying and Laying of 2 x 16 Sqmm WPTC PVC insulated and PVC sheathed Aluminium Cable i/c providing 14 SWG GI wire and laying on surface or existing wall with suitable supports and clamping, interconnection with lugs and testing etc., as required.
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Testing Checking and attending minor faults of 11kV/415 V distribution transformer / DP structure, Tightening HT & LT connections, cleaning transformer and substation area, meggering insulation values etc as and when required. Note.1- Replacement of minor spare like nuts, bolts, washer, jelly, Porcelene insulators, etc included in the rate.
Note.2- Liasoning with DOPN authority for HT shutdown is scope of the agency.
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Providing Earthing with G.I. earth plate of 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.
a) Earth Value Test report shall be submitted after completion of earth.
b)This Quantity is tentative/ indicative and to be executed at site as per the instructions of Engineer in Charge based on the space availability and soil condition.
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Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.
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Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.
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Supplying and laying of 40 mm dia PVC pipe for Nuetral earth strip etc., as requierd
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