Fertilisers And Chemicals Travancore Limited Tender
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Costs
EMD
₹ 12,000Document Cost
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Refer Documents
Description
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Contact
Tender Id
2020_FACT_565767_1Bid Award Id
ViewTender No
5062/2020-2021/E21667Tender Authority
Fertilisers And Chemicals Travancore Limited ViewPurchaser Address
-Website
http://eprocure.gov.in
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Documents
Terms and conditions
BOQ Items
Arresting of oil leak through various flanges / joints of TELK make 11/3.45 kV, 6.3 MVA Transformer-4K (M/c Sl. No. 110089-3), Oil capacity-3215 litres.
Scope of work:
A) Primary inspection of the transformer.
B) Draining of oil from the transformer
C) Disconnection and disassembling of bushings, conservator, pipe lines, cooling fins etc.
D) Disconnection of tap-changer leads and replacement of gaskets.
E) Removal of band bolts and lifting upper cover to replace gasket.
F) Rectification of oil leak by replacing of all old gaskets of bushings, radiators, drain plug, conservator, buchholz relay, breather & pipe line.
G) Flushing the winding with new oil to clean inside.
H) Tightening the inner connections. (Bushes shall also be replaced if found necessary as mentioned in item no:8 & 11)
I) Reassembling of the transformer to its original shape after replacing of top cover gaskets.
J) Vacuum oil filling of the transformer.
K) Filtering old oil to the required level as per cl.5 of special conditions.
L) Hot oil circulation till satisfactory oil test results are achieved.
M) Testing of oil as per cl.5 of special conditions..
N)Pre-commissioning checks and energisation. Scope also includes thorough cleaning and repainting of transformer exterior with one coat of epoxy primer and one coat of epoxy paint.
1
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Transformer oil purification of TELK make 11/0.433 kV, 1.6 MVA Transformer-05C (M/c Sl. No. 110091-1), Oil capacity-2280 litres.
Scope of work:
A) Filtering and hot oil circulation till satisfactory oil test results is achieved.
B) Testing of oil as per cl.5 of special conditions..
Vacuum oil filling method shall be followed during final filling of oil up to conservator level. The contractor shall ensure NIL air locks during final oil filling.
2280
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Transformer oil purification of TELK make 11/0.433 kV, 1.6 MVA Transformer-7C (M/c Sl. No. 110091-3), Oil capacity-2280 litres.
Scope of work:
A) Filtering and hot oil circulation till ll satisfactory oil test results is achieved.
B) Testing of oil as per cl.5 of special conditions..
Vacuum oil filling method shall be followed during final filling of oil upto conservator level. The contractor shall ensure NIL air locks during final oil filling.
2280
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-
Supply and replacing the ceramic bushes on LT side of Transformer, TELK make 11/0.433 kV, 1.6 MVA Transformer-8C (M/c Sl. No. 110091-4), Oil capacity-2280 litres.
Note: This is an optional item. The bushes need to be replaced only after getting written confirmation from Engineer in Charge. Assembly with existing current bolt shall be used.
2
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Supply and replacing the ceramic bushes on LT side of Transformer, ITL make 11/0.433 kV, 1.6 MVA Transformer-12K (M/c Sl. No. 9104), Oil capacity-1220 litres.
Note: This is an optional item. The bushes need to be replaced only after getting written confirmation from Engineer in Charge. Assembly with existing current bolt shall be used.
2
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Supply and replacing the ceramic bushes on LT side of Transformer, TELK make 11/3.45 kV, 6.3 MVA Transformer-4K (M/c Sl. No. 110089-3), Oil capacity-3215 litres.
Note: This is an optional item. The bushes need to be replaced only after getting written confirmation from Engineer in Charge. Assembly with existing current bolt shall be used.
2
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Supply and replacing the ceramic bushes on HT side of Transformer, TELK make 11/0.433 kV, 1.6 MVA Transformer-8C (M/c Sl. No. 110091-4), Oil capacity-2280 litres.
Note: This is an optional item. The bushes need to be replaced only after getting written confirmation from Engineer in Charge. Assembly with existing current bolt shall be used.
1
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Supply and replacing the ceramic bushes on HT side of Transformer, ITL make 11/0.433 kV, 1.6 MVA Transformer-12K (M/c Sl. No. 9104), Oil capacity-1220 litres.
Note: This is an optional item. The bushes need to be replaced only after getting written confirmation from Engineer in Charge. Assembly with existing current bolt shall be used.
1
-
-
Supply and replacing the ceramic bushes on HT side of Transformer, TELK make 11/3.45 kV, 6.3 MVA Transformer-4K (M/c Sl. No. 110089-3), Oil capacity-3215 litres.
Note: This is an optional item. The bushes need to be replaced only after getting written confirmation from Engineer in Charge. Assembly with existing current bolt shall be used
1
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-
Supply of gaskets and oil seals for the transformer, TELK make 11/0.433 kV, 1.6 MVA Transformer-8C (M/c Sl. No. 110091-4), Oil capacity-2280 litres.
Specifications of Rubberised Cork Gasket:
The supplied gasket shall confirm to IS and following specifications:
Type : C- very good oil resistant
Grade: R C-70 C
Sp. Gravity: 0.7- 0.8
Hardness: 70 +/- 5 irhd
Compressibility@ 28 Kg/cm2-
30 +/- 5% for 6.3 mm
33 +/- 5 % for 9.6 mm Recovery@ 28 Kg/cm2- 80 (minimum)
1
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Supply of gaskets and oil seals for the transformer, ITL make 11/0.433 kV, 1.6 MVA Transformer-12K (M/c Sl. No. 9104), Oil capacity-1220 litres.
Specifications of Rubberized Cork Gasket:
The supplied gasket shall confirm to IS and following specifications:
Type : C- very good oil resistant
Grade: R C-70 C
Sp. Gravity: 0.7- 0.8
Hardness: 70 +/- 5 irhd
Compressibility@ 28 Kg/cm2-
30 +/- 5% for 6.3 mm
33 +/- 5 % for 9.6 mm Recovery@ 28 Kg/cm2- 80 (minimum)
1
-
-
Supply of gaskets and oil seals for the transformer, TELK make 11/3.45 kV, 6.3 MVA Transformer-4K (M/c Sl. No. 110089-3), Oil capacity-3215 litres.
Specifications of Rubberized Cork Gasket:
The supplied gasket shall confirm to IS and following specifications:
Type : C- very good oil resistant
Grade: R C-70 C
Sp. Gravity: 0.7- 0.8
Hardness: 70 +/- 5 irhd
Compressibility@ 28 Kg/cm2-
30 +/- 5% for 6.3 mm
33 +/- 5 % for 9.6 mm Recovery@ 28 Kg/cm2- 80 (minimum)
1
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Supply and fixing of new Silica gel air breather for 1250 kVA / 1600 kVA Transformer
6
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Supply and fixing of Buchholz relay for 1250 kVA / 1600 kVA Transformer
2
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Supply and fixing of Buchholz relay for 6300 kVA Transformer
1
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