Public Works Department Tender
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Public Works Department - PWD Tender
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date6 Jun 2024
Closing Date18 Jun 2024
Tender Amount₹ 4,30,000
Costs
EMD
₹ 8,741Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
Scription for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user
Contact
Tender Id
2024_WBPWD_689768_1Bid Award Id
ViewTender No
WBPWDTE/AE/BESD/e-NIQ-02 of 2024-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://wbtenders.gov.in
GEM & Bid Advisory Services
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Documents
BOQ Items
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The below mention works should be execute for servicing the OCB:- 1. removal of old grease and re-greasing the same with recommended grease
2. Check condition of SIC Contact 3. Checking condition and alignment of jaw Contact 4. Checking and proper tightning of hardware
5.Checking proper closing of all poles together
6. Checking of breaker tripping through push button
7. Checking and adjusting gap between hylam sheet and side plate
.8. Checking of auxilliary contacts continuity proper change over
9. Checking IR between phase-phase (OCB closed condition)
10. Checking IR between phase-earth (OCB closed condition) 11. Checking IR between phase-earth (OCB in Open condition).
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Supply of 12 KV, 3.15A HT fuse for lIKV/110V PT.
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Dismantling the existing 11 KV HT XLPE armoured cable from HT illumination box of the OCB Incoming & Outgoing and re-connection the same after through servicing as per direction of EIC.
2
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Jointing of HT cable of following sizes incl. supply of necessary jointing materials and compound at switch-gear & transformer terminations on HT sides incl. testing: a) 240/300 sqmm 11 kV (3 core, XLPE screened cable)
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Testing the following equipment and submitting the test reports.
a) CT & PT & transformer testing, winding checking IR value Testing polarity test winding resistances & ratio test.
b) IR value & High pressure Test. d)Acid test
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Testing of di-electric strength of transformer oil of 01 No transformer and 3 nos 11KV OCB , PT before to start the work and after completion site in presence of E.I.C.
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Testing of 11KV/433V 250KVA power Transformer including HT cable and all other equipmets by 2500V HT megger to ready to energised the same as per direction of E.I.C.
3
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Pouring down the Transformer oil from outlet valve and stack in separate drums to prevent leakage of transformer, & OCB in different sectors for 11KV/433V 250KVA power transformer.
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Replaceing of oil by dehydrated / new oil (supplied in separate item) for 250 KVA power transformer incl. Lifting the core and winding, flushing of transformer tank, winding and core to remove the accumulated sludges, replacing the gasket and heat running to raise the IR value to the specified value, lowering core and winding in position and refixing the top lead of the transformer.
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Replaceing of oil by dehydrated / new oil (supplied in separate item) for 03 nos of OCB heat running to raise the IR value to the specified value,.
3
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Supplying & pouring of new transformer oil to the 250 KVA transformer oil capacity 443 Ltrs. and 11KV /110V PT & 03 nos of OCB as required.
230
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Dehydrartion and filteration of 11KV/433V 250 KVA transformer, HT OCB and 11KV/110V PT oil as to G.S.
270
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Supply and fixing proper top cover gasket suitable for 11KV/433V 250 KVA power Transformer after necssary cleaning the existing old damaged gasket as per direction of EIC.
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Supply and fixing silica zel suitable for 11KV/433V 250 KVA Transformer as per direction of EIC.
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Supply and fixing oil seal suitable for 11KV/433V 250 KVA Transformer as per direction of EIC.
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Opening the existing 11KV/110V P.T. Part by part very carefully to avoide any further damages and cleaning the same after servicing all the components and dismantling 3 Nos female bushing, replacement of gasket by new one incl. rewinding the PT coil and setting incuding heat run to develop the IR value as required and changing oil seal and gasket to stop the leakages as per direction of the E.I.C.
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S&F 11KV HT spout for 11KV/110V P.T.
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S&F HT rubber guarder for 11KV/110V P.T.
3
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S&F Female contact for 11KV/110V P.T.
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Painting of PT by approved paint over RO primer after preparation of surface as per direction of EIC.
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Transportation charges of pressure test machine, Relay testing set, from Kolkata to Balurghat up & down company workshop to side.
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Making testing arrangement for high voltage testing of specified voltage including checking and testing of 11KV HT 3 panel consisting of 3 Nos HT OCB & 1 No 11KV/110V PT and commssioning the same separately to ensure power supply continuously.
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Supply & Fixing exhaust fan (Make -- EPC, Heavy duty) of following sizes after making hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust of dia incl. Fixing louver shutter on wall with necy. bolts & nuts (6 mm dia x 62 mm long) as per GS . (a) 30 cm (12")
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Supply & Fixing louver shutter on wall with necy. bolts & nuts (6 mmdia x 62 mm long) Aluminium. [D-14/32 (a)] (a) 30 cm Exhaust fan (15")
6
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Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20/25mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required.
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i) 2 x 1.5 sqmm + 1 x 1.5 sqmm ECC
195
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Supplying and fixing of 250 V Timer Fixed on wall with flat iron frame as per direction of EIC. The Box should comprising following accessorise. A )250V, 50 Hz,16 Amp One no Digital Clock. C) 250V,40A 2 NO Conctractor.(Make-L&T or as to EIC D) 250V, 50Hz 20 Amp DP MCB (Make- L&T ) or as to EIC G) The complete arrangement must be wiring by 2.5 sqmm PVC insulated Cu wire with suitable socket/lugs as per requirment & direction of EIC. (Make: L&T / Legrand / HPL)
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Supply, fabrication & fixing of Back enclosure made of 2 mm thick CRCA steel sheet with powder Coated finished paint as per template or drwaing with necessary nut & bolt & washers.
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SUB HEAD - ( SAFETY EQUIPMENT )
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Providing & fixing danger plates made of mild steel at least 2mm thick & vitreous enameled white on both sides & with inscription in signal red colour on front side as required.
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a) High Voltage - size 250mm x 200mm
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b) Medium Voltage - size 200mm x 150mm
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Providing First Aid Box as approved by St. John Ambulance Brigade / Indian Red Cross conforming to IS 13115-1991.
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Supply and fixing shock treatment chart duly mounted on a wooden frame with 5mm thick glass as reqd. (approximate front area 1.20 sq.metre).
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Providing of rubber mat 2 mtrs Length x 1 m. wide and 12mm thick to withstand 15 KV dielectric strength as per IS 15652-2006.
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Providing of rubber mat 2 mtrs Length x 1 m. wide and 6mm thick to with stand 3.3 KV dielectric strength as per IS 15652-2006.
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S&F 11kv grade Rubber Hand Gloves.
3
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TERMS & CONDITIONS
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(i) Rate should be quoted inclusive of all applicable taxes and Duties etc including GST & CESS.
(ii) All materials, equipments & accessories must conform to relevant IS / IEC specifications.
(iii) Necessary manufacturer's warranty certificate will have to be submitted during delivery of the material.
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