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Servicing / Overhauling Of Ngef Make 2 Nos . Transformers At Dakshinpuri Bps ., EXECUTIVE ENGINEER (EM) WS SOUTH-I-Delhi

Delhi Jal Board-DJB has published Servicing / Overhauling Of Ngef Make 2 Nos . Transformers At Dakshinpuri Bps .. Submission Date for this Tender is 09-07-2020. Seals Tenders in EXECUTIVE ENGINEER (EM) WS SOUTH-I Delhi. Bidders can get complete Tender details and download the document.




Tender Notice

24774820
Servicing / Overhauling Of Ngef Make 2 Nos . Transformers At Dakshinpuri Bps .
Open Tender
Indian
Delhi
EXECUTIVE ENGINEER (EM) WS SOUTH-I
09-07-2020

Tender Details

nitno . 5 / ee ( em ) ws s-i / ( 20-21 ) item no-16 servicing / overhauling of ngef make 2 nos . transformers at dakshinpuri bps . , repairing / overhauling of ngef make 500 kva transformers type: ontu500 / 11 hv volts , volts at hv 11000 , volts at lv 433 , amperes at hv 28 . 26 , amperes at lv 688 . 60 , type of cooling: onan with following work: disconnection of11kv ht supply from main panel , reck out the ocb from the transformer panel & open the back side panel and discharge the complete supply . , drain out the oil by vacuum machine in empty oil drum , cleaning the tank by removing the dirty particle from the transformer tank & dry the transformer coil and core by oil steam . , p / f of top cover gasket i / c finger gasket , buckles joint gasket , silica gel , oil seal hv & lv side & hardware item such as nut bolt washer etc as required . , repairing the tap changer & proper soldering of lead at the tap changer . , testing & calibration of bucklaz relay wti &oti meters with connection of sensors . , complete cleaning and chemically washing of oily and muddy transformer body & painting with enamel paints . , dehydration & filtration of transformer oil & testing the di electrical strength up to 50 kv at gap 2 . 5 mm for 1 minute . , supply and filling the new transformer oil . , testing & commissioning of transformer after complete assembling , testing the hv &lv connections , taking out the result as ir value , magnetic balance , ttr & magnetic current of winding with hi pot machine .

Key Value

Document Fees
INR 500 /-
EMD
INR 4000.0 /-
Tender Value
Refer document

BOQ Items

Name of Work: Servicing/ overhauling of NGEF make 2 nos. 500 KVA transformers at Dakshinpuri BPS.
Sl. No. Item Description Item Code / Make Quantity Units
1 1.01 Repairing/ overhauling of NGEF make 500 KVA transformers Type: ONTU500/11 HV volts, Volts at HV 11000, Volts at LV 433, Amperes at HV 28.26, Amperes at LV 688.60, Type of cooling: ONAN with following work:\n Disconnection of11KV HT supply from main panel, reck out the OCB from the transformer panel & open the back side panel and discharge the complete supply.\n item1 2 Jobs.
2 2 Drain out the oil by vacuum machine in empty oil drum, cleaning the tank by removing the dirty particle from the transformer tank & dry the transformer coil and core by oil steam. item2 2 Jobs.
3 2.99 P/F of top cover gasket i/c finger gasket, buckles joint gasket, silica gel, oil seal HV & LV side & hardware item such as nut bolt washer etc as required. item3 2 Jobs.
4 3.98 Repairing the tap changer & proper soldering of lead at the tap changer. item4 2 Jobs.
5 4.97 Testing & calibration of BUCKLAZ relay WTI &OTI meters with connection of sensors. item5 2 Jobs.
6 5.96 Complete cleaning and chemically washing of oily and muddy transformer body & painting with enamel paints. item6 2 Jobs.
7 6.95 Dehydration & filtration of transformer oil & testing the di electrical strength up to 50 KV at gap 2.5 mm for 1 minute. item7 900 Ltr.
8 7.94 Supply and filling the new transformer oil. item8 210 Ltr.
9 8.93 Testing & commissioning of transformer after complete assembling, testing the HV &LV connections, taking out the result as IR value, magnetic balance, TTR & magnetic current of winding with HI pot machine. item9 2 Jobs.
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