Power Transformers Power Transformers For Numaligarh Refinery Expansion Project , 33 / 6.9Kv, 25 / 31.5Mva, Dyn11, Z=15.5% At Onaf Base With Its Tolerance, Onan / Onaf With Ctc F Range + / -5% In Steps Of 2.5% Per Step Along With 2 Nos. , numaligarh-Assam

Power Transformers Power Transformers For Numaligarh Refinery Expansion Project , 33 / 6.9Kv, 25 / 31.5Mva, Dyn11, Z=15.5% At Onaf Base With Its Tolerance, Onan / Onaf With Ctc F Range + / -5% In Steps Of 2.5% Per Step Along With 2 Nos. Of Neutral Cts ( 3200A / 1A Clps15va, 400 / 1A Cl5p20 15Va ) Including Condition Monitoring Asdetailed In The Specification Tp- 1Zzza-El-Spe-0017 With Common Partial Discharge Analyzer For Both The Transformers . Including Special Tools And Tackles, Pre-Commissioning / Commissioning / Start-Up Spares. , 33 / 6.9Kv, 16 / 20Mva, Dyn11, Z=11.5% At Onaf Base With Its Tolerance, Onan / Onaf With Octc Of Range + / -5% In Steps Of 2.5% Per Step Along With 2 Nos. Of Neutral Cts ( 2000A / 1A Clps 15Va, 400 / 1A Cl5p20 15Va ) Including Condition Monitoring As Detailed In The Specification Tp-1Zzza-El-Spe-0017 With Common Partial Discharge Analyzer For Both The Transformers. Including Special Tools And Tackles, Pre-Commissioning / Commissioning / Start-Up Spares. , 33 / 6.9Kv, 20 / 25Mva, Dyn11, Z=11.5% At Onaf Base With Its Tolerance, Onan / Onaf With Octc Of Range + / -5% In Steps Of 2.5% Per Step Along With 2 Nos. Of Neutral Cts ( 2500A / 1A Clps15va, 400 / 1A Cl5p20 15Va. Including Condition Monitoring As Detailed In The Specification Tp-1Zzza-El-Spe-0017 With Common Partial Discharge Analyzer For Both The Transformers. Including Special Tools And Tackles, Pre-Commissioning / Commissioning / Start-Up Spares. , 33 / 6.9Kv, 12.5 / 16Mva, Dyn11, Z=11% At Onaf Base With Its Tolerance, Onan / Onaf With Octc Of Range + / -5% In Steps Of 2.5% Per Step Along With 2 Nos. Of Neutral Cts ( 1600A / 1A Clps15va, 400 / 1A Cl5p20 15Va ) . Including Condition Monitoring As Detailed In The Specification Tp-1Zzza-El-Spe-0017 With Common Partial Discharge Analyzer For Both The Transformers . Including Special Tools And Tackles, Pre-Commissioning / Commissioning / Start-Up Spares.

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	04-08-2022	CORRIGENDUM 05	Date	12-08-2022
2	06-07-2022	Bid Auto Extn Corrigendum	Bid Auto Extn Corrigendum	13-07-2022
3	08-06-2022	CORRIGENDUM 01	Date	22-06-2022
4	10-06-2022	TECHNICAL AND COMMERCIAL QUERY 01	Other	22-06-2022
5	13-07-2022	CORRIGENDUM 03	Date	29-07-2022
6	22-06-2022	CORRIGENDUM 02	Date	06-07-2022
7	28-06-2022	ADDENDUM 1 COMMERCIAL	Other	06-07-2022
8	28-07-2022	CORRIGENDUM 04	Date	05-08-2022
9	29-06-2022	TECHNICAL QUERY 02	Other	06-07-2022

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