Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB

Karnataka Power Transmission Corporation Limited

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

TECHNO - COMMERCIAL SHEETS

NOTE* For detailed scope of the work please refer Bid Documents.

BIDDERS TO READ CAREFULLY

THE FOLLOWING DOCUMENTS [DULY SIGNED BY AUTHORISED PERSON, WHEREVER NECESSARY] ARE TO BE UPLOADED IN E-PROCURMENT PORTAL AND BANK GUARANTEE TOWARDS EMD OVER AND ABOVE RS.10.00LAKH AS PER ANNEXURE-II OF THE BID DOCUMENT SHALL BE SENT IN ORIGINAL TO CHIEF ENGINEER ELECTY., TRANSMISSION (OPERATIONS) ZONE, KPTCL, BENGALURU SO AS TO REACH THIS OFFICE AFTER THE LAST DATE OF SUBMISSION OF BID AND ON OR BEFORE THE DATE & TIME NOTIFIED FOR OPENING OF TECHNO COMMERCIAL BIDS FAILING WHICH THE BID WILL NOT BE OPENED. 1) NO DEVIATION CERTIFICATE (SCHEDULE-16). 2) EMD/BID SECURITY AS DETAILED IN CLAUSE NO. 13 of ITT. 3) BANK GUARANTEE TOWARDS BALANCE EMD/BID SECURITY issued either by a Nationalized/Scheduled Bank. (For the balance EMD above Rs. 10Lakhs ) (SCHEDULE-17) - as detailed in Clause No. 13 of ITT-The Bidder shall scan the Bank Guarantee towards EMD and upload the same in the prescribed format in the slot specified for “EMD and Tender Fee Payments” in the e-procurement portal to enable the owner for verification of EMD BG at the time of opening of Techno Commercial Bid, failing which the offer will be rejected 4) LETTER OF UNDERTAKING (SCHEDULE-18). 5) CONSORTIUM AGREEMENT (VOID). 6) POWER OF ATTORNEY (SCHEDULE-20). 7) ANY OTHER AGREEMENTS / UNDERTAKINGS /SELF DECLARATIONS SPECIFIED IN THE TENDER. 8) If part or full price sheets or prices are exposed in the Techno-Commercial Sheets or Techno-Commercial Bid by the Bidder, then the offer of the Bidder will be rejected.

Karnataka Power Transmission Corporation Limited

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidder's Name & Address along with GSTIN number :

Bid Proposal Reference :

Person to be contacted :

E-Mail Address:

The Chief Engineer, Electricity,

Transmission (Operations) Zone, KPTCL,

Ananda Rao Circle, Bangalore - 560 009.

Sub : Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

a) * We have submitted bid as individual Bidder. (Key in Individual Bidder )

b) * We have submitted bid in Consortium with the following Bidders. (Key in Consortium) VOID

Name of the Consortium Partner Scope / Participation of each Consortium Partner

(* Fill-up whichever is applicable)

1 We, the undersigned Bidder, having read and examined in detail the specifications and all the Bidding documents of the said line work and hereby propose to design, manufacture/fabricate, shop test, supply on FOR site basis, and carry out the erection, testing and commissioning including civil, structural and architectural works for

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

2 PRICES AND VALIDITY :

2.1 We declare that the Prices stated in our Proposal are in accordance with subject bid documents including Clause No.40 of "Conditions of Contract (CC)" and Clause No.12 of Instruction to Tenderers (ITT) of Bid Documents. We further declare that all Ex-works price/CIF components of Spares, Maintenance and Testing Equipments and other charges viz., Freight and Insurance, Type Test charges and other charges stated in our proposal shall be as per the Tender conditions. All the Price and other terms and conditions of this Proposal are valid during the Performance of the Contract.

2.2 All Taxes and Duties, such as CGST, SGST, IGST, UTGST, Custom Duties on imports, Levies, Surcharge/Cess etc., if any, applicable on the transaction are included in the Bid Price and shall be to Our account and the Owner is not having any liability whatsoever on this account, whatever may be the contrary elsewhere in the Bid documents. However the component of Taxes & Duties included in the Bid Price are separately indicated in Schedule - 2 for TDS purpose. We further confirm that our Bid Prices as quoted in Schedule-I, include all import Duties and levies including Licence fees lawfully payable by us on imported items and all other Taxes, Duties and Levies applicable on Bought-out Components, Materials, Equipment and other items and confirm that any such Taxes, Duties and Levies additionally payable shall be to our account. We further confirm that no Sales Tax in any form shall be payable by Owner either for Bought-out items which are despatched by our Sub-Suppliers directly to the Project Site or for items Supplied directly by us.

2.3 We declare that we have noted and considered Clause No.39 of Conditions of Contract (CC ), Clause No. 11.11 of Instruction to Tenderers (ITT) of Bid Documents regarding Taxes and Duties and quoted our Prices accordingly. We further agree for TDS as per Statutory stipulations.

2.4 The Bid Prices, the Price components of the various items in the Scope of Supply, Erection including Testing & Commisisoning, Civil and Mandatory spares is quoted in Financial Bid in e-Procurement Portal for this proposal..

3 CONSTRUCTION OF THE CONTRACT : We, declare that we are making the Offer on the basis of Single Contract for the entire Scope of the Package in accordance with Clause No.26 of Instruction to Tenderers (ITT) of Bid Document.

4 We having studied Clause No.39 of Conditions of Contract (CC ), Clause No. 11.11 Instruction to Tenderers (ITT) of Bid Documents , relating to Tax and we hereby, declare that if any income-tax, surcharge on income tax or any other corporate tax is attracted under the law, we agree to pay the same.

5 Bid Security/ EMD : We have enclosed a Bid Security through e-Payment mode for a sum of Rs.10.00Lakhs and remaining amount of Rs.................................................. ( above Rs.10 Lakhs) in the form of Bank Guarantee in original and two copies of the original valid for a period of 225 days from the date of opening of bids, and liable to be forfeited in accordance with Bid Documents. (Mode of Payment towards EMD is as detailed in NIT/CLAUSE NO. 13 of ITT.)

We have also ensured that the above Bid Guarantee furnished by us is in line with the Bid Documents and complete in respect of following :

1. Value of Non judicial Stamp Paper purchased in the name of executing Bank is as per Stamp Act.

2. Power of Attorney Number and Date as well as Signature and Full Name and Designation of Executant along with Bank's Stamp are there.

3. Signature, Full Name, Designation and address of Witness are there.

4. Completed Mailing address of the Head Office of the Bank is indicated.

6.1 We declare that the Works shall be performed strictly in accordance with the Specifications and Documents except for the variations and Deviations, all of which have been detailed out exhaustively in the following Schedules, irrespective of whatever has been stated to the contrary anywhere else in our Proposal.

a Commercial Deviations Schedule Schedule - 5

b Technical Deviations Schedule Schedule - 6

6.2 We further confirm that Specified Stipulation of following Clauses are acceptable to us and No Deviation / Exceptions are taken on any account whatsoever in the following Clauses.

a. Terms of payment Clause No. 37 of Conditions of Contract (CC) & Clause No.8 of Special Conditions of Contract-SCC.

b. EMD/Bid Security Clause No.6, Section :1, Invitation for Tenders (IFT) and Clause No.13, Section :2, Instruction to Tenderers (ITT)

c. Contract Performance Guarantee Clause No.29, Instruction to Tenderers (ITT)

d. Penalty for delay Clause No.41 of Section-5 : Conditions of Contract (CC)

e. Price Basis/ Price adjustment Clause No. 40 of Section-5 :Conditions of Contract (CC)

f. Defects Liability Period/ Guarantee Clause No.10 of Special Conditions of Contract (SCC) and Section 6 : Contract data

g. Work Schedule Clause No.17 of Conditions of Contract-CC

h. Taxes and Duties Clause No.11.11 of Instruction to Tenderer (ITT)

Further, we agree that additional conditions, if any, found in the Proposal Documents other than those stated in Deviation Schedules, save that pertaining to any rebates offered, shall not be given effect to.

7 PERFORMANCE GUARANTEE ; We declare that the ratings and performance figures of the equipment to be supplied and erected by us are guaranteed. The Guaranteed particulas of different equiment in our Scope are enclosed in Data Requirement Sheets.

8 BID PRICING : We further, declare that the Prices stated in our Proposal are in accordance with your ITT & SCC and all other relevant clauses of Bid Documents.

9 PRICE ADJUSTMENT : We declare that the Prices quoted by us are in accordance Clause No. 40 of Section-5 :Conditions of Contract (CC)

10 SPECIAL TOOLS AND TACKLES : We have given a list of Special Tools and Tackles in Schedule - 7 and Prices thereof are included in our lumpsum Bid Price. We further agree that any items of Special Tools and Tackles, though not included in the aforesaid list, but required for effective Erection, Testing, Commissioning & Operation of the Equipments of Substations shall also be furnished by us, at no extra cost to you.

11 ADDITIONAL INFORMATION : In addition to the information called for in these Proposal Sheets, we have included with this Proposal, additional information as listed in Schedule - 8. We further confirm that such additional information does not imply any additional deviation beyond those covered in Schedule - 5 & 6 and in case of any contraction between these additional information and other provisions of Bid, the later will prevail.

12 QUALIFICATION DATA : We confirm having submitted the Qualification Data, as required by you in your Bid Documents in e-Procurement Portal along with this Proposal. Further we have filled in the information for Qualification Requirements in Schedule 9. In case you require any further information in this regard, We agree to furnish the same in time.

13 WORK SCHEDULE : If this Proposal is accepted by you, we agree to submit Engineering Data, Provide Services and complete the entire Work from time to time, in accordance with Schedules indicated in the Proposal. We fully understand that the Time Schedule stipulated in this Proposal is the essence of the Contract, if awarded. The completion schedule of the various Major Key Phases of the Work is indicated in Schedule - 11.

14 CONTRACT PERFORMANCE GUARANTEE ; We further agree that if our Proposal is accepted, we shall provide an irrecoverable Contract Performance Guarantee, of value equivalent to Five Percent (5%) of the Contract Price plus additional security for unbalanced tenders in accordance with Clause 25.5 & 29 of Instructions To Tenderers (ITT) and Clause No. 43 of the Conditions of Contract (CC) of the tender valid up to the end of ninety (90) days after the end of the Contract Warranty Period in the form of .........................................................................................................................................................................................................................................................(Please specify the form of Guarantee) in your favour and enter into a formal agreement with you within Twenty (20) days from the date of issue of Letter of Intent to award the Contract .

16 CHECK LIST : We have included a Checklist duly filled in Schedule 21

17 We, hereby, declare that only the Persons or Firms interested in this Proposal are named herein as Principals and that no other Persons are interested in the Proposal or in the Contract to be entered into, if we are awarded the Contract, and that this proposal is made without any connection with any other Person, Firm or Party likewise submitting a Proposal and that this Proposal is in all respect for and in good faith, without collusion or fraud.

18 We declare, in case our bid is accepted, that until a formal Contract is prepared & executed, this bid together with your written Letter of Intent to Award the Contract thereof and your notification of award /Letter of Intent to Award the Contract shall constitute a binding contract between us. We further understand that you are not bound to accept the lowest or any bid you may receive.

Thanking you, we remain,

Yours faithfully,

Place Printed Name

Business Address Country of Incorporation (State or Province to be indicated)

Name and Address Principal Officer

Karnataka Power Transmission Corporation Limited

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

IF THE SCHEDULE IS FURNISHED IN PRICE SHEET, KEY IN AS 'Quoted' IN LIGHT BLUE COLOURED CELLS.

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

We declare that in terms of Clause no. 11 of ITT & all other relevant clause of Bid documents, the following are our Percentage above or below the estimated cost price in % for the entire scope of work as specified in the Specifications and Documents.( Inclusive of all Taxes & Duties).

Percentage above or below the estimated cost price in % price : ( In Figures)

Percentage above or below the estimated cost price in % Price : ( In Words)

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE - 2 (1 of 2)

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

IF THE SCHEDULE IS FURNISHED IN PRICE SHEET, KEY IN AS 'Quoted' IN LIGHT BLUE COLOURED CELLS.

Summary of Price Components

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Summary price components for identified in accompanying specifications

( Name of the Work) as per the scope identified in accompanying specifications.

SL.NO Description Amount in Rs.

A Material / Equipment Price (including Packing & Forwarding charges) in the Scope of the Contractor

i) Total Prices(including Ex-works, F&I and Taxes) - As per schedules - 3A(I)- Supply & 3A(II)

Material / Equipment Price for Mandatory Spares (including Packing & Forwarding Charges)in the Scope of the Contractor

i) Total Prices(including Ex-works, F&I and Taxes) - As per schedule 4

B Supply Portion total FORD price [A(i)+B(i)]

Erection Portion:

i) Total charges for Erection, Testing and Commssioning incl of all taxes (in Rs.) as per Schedules-3A(I)-Erection & 3A(III)

ii) Total Charges for entire Civil Works incl of all taxes (in Rs.) as per Schedules-3B(I) & 3B(II)

C iii) Total Civil Works, Erection, Testing and Commisioning charges inclusive of all taxes [D(i)+D(ii)]

D Total Bid Price = [C + D(iii)] In figures : Rs.

In words : Rupees

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE - 2 ( 2 of 2 )

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Taxes, Duties & other levies

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Estimates of Indian Taxes, Duties and Levies included in the Total Bid Price are as follows:

IF THE SCHEDULE IS FURNISHED IN PRICE SHEET, KEY IN AS 'Quoted' IN LIGHT BLUE COLOURED CELLS.

SL. No. Description of Applicable Tax / Duty / Levy Rate of Tax / Duty / Levy Amount of Taxes / Duties in Rupees

i. Supply Portion

ii. Erection Portion

iii. Civil Portion

i. Supply Portion

ii. Erection Portion

iii. Civil Portion

i. Supply Portion

ii. Erection Portion

iii. Civil Portion

4 Building and other construction workers welfare Cess for Erection and Civil Portion works

6 Other Taxes & duties if any (Specify) **

7 Other Taxes & duties if any (Specify) **

8 Total (Sum of 1 to 7)

Place Designation

Name of the Company

Note1: The figures given at E of SCH -2 (1 of 2) shall match with the lumpsum price given at Schedule -1. The erection charges shall include the charges for taking delivery at Owner's store, unloading, handling, storage, erection, testing and commissioning of all equipments and service tax / works contract tax.

Karnataka Power Transmission Corporation Limited

SCHEDULE - 2A : SCHEDULE OF DISCOUNT

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

IF THE SCHEDULE IS FURNISHED IN PRICE SHEET, KEY IN AS 'Quoted' IN LIGHT BLUE COLOURED CELLS.

Bidders Name and Address along with GSTIN No.:

Name of the Bidder To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

We hereby offer an unconditional discount on our Quoted Price at Schedule -2 (1 of 2) as under. Any discounts offered anywere else in the Bid shall not be considered.

Sl.No Nature of Discount Percentage of discount Amount (in Rs.) (Fill in as 'YES' in case Prices are indicated in the %-Wise Bid Financial Offer) Remarks

I For Establishing of Sub-Station i) Supply Schedules a) Ex-works prices b) Freight & Insurance

ii) Erection Schedules

iii) Civil Works Schedules

II For Construction of line to Sub-Station i) Supply Schedules a) Ex-works prices b) Freight & Insurance

ii) Erection Schedules

iii) Civil Works Schedules

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SHEET FOR TECHNOCOMMERCIAL OPENING

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Details of Deposit such as transaction No. , date etc. should be keyed in against column no. 3 a) . BG Amount, BG No. and date, Name and address of the bank issuing the BG, validity of the BG should be keyed in against column no. 3 b) .

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

STATEMENT OF COMMERCIAL TERMS AND CONDITIONS

Sl. No. Particulars Details

1 Bid proposal form furnished.

2 No deviation certificate furnished.

3(a) EMD / Bid Security Bids shall be accompanied by bid security (EMD); Up to Rs.10Lakh The following modes of payment will be provided as a part of e-Payment services. • Credit Card/Debit Card • Net Banking • NEFT/RTGS • Over-the-Counter (OTC) • IMPS For further detail regarding mode of e-payment of EMD in e-procurement platform, contact e-procurement cell, Government of Karnataka.

3(b) EMD amount above Rs.10Lakh by Bank Guarantee/Insurance Surety Bond (ISB)

4 Validity of the Bid.

5 Qualifying Requirements.

6 Financial capability

8 Taxes & Duties.

9 Completion Schedule

11 Payment Terms

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE - 3A(I) - Price Break for Supply

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

BIDDERS SHALL NOTE: 1)PLEASE FILL ONLY IN THE LIGHT BLUE COLOURED CELLS. 2) Testing & Commissioning of the complete Sub-Station and Transmission line is in the scope of contractor. 3) All the Equipments / Meters Proposed for this Station should be SCADA & Station Automation Operational and the Energy meters should have ABT feature.

Sl.No. Item Description Unit Qty Indicate whether "Own manufactured Iem" or "Bought Out Item" Indicate country of Origin

SS-01 Numerical Relays: For 220kV Side: Numerical Distance Relay compatable to IEC 61850 communication protocol [With different make & features] Nos. 4

SS-02 Auxilliary Relays: Three Phase Trip Relay/ Master trip relay suitable for C&R panels at 400kV and 220 kV Stations. Nos. 4

SS-03 Single Phase Trip Relay for C&R panels at 400 kV and 220 kV Station Nos. 12

SS-04 Auxiliary relay for carrier protection/ panel (3 element suitable for C&R panels at 400 kV and 220 kV Stations). [6 Nos per line] [Carrier recive : 2 no.s, Direct T&P receive : 2 nos, Carrier out of service : 2 nos] Nos. 12

SS-05 245 kV CVT, 8800 pF, 1 Ph Outdoor type CVT with 3 secondaries (Ratio 220kV/Sq.root 3 / 110V /Sq root 3 - 110V/Sq root 3V-, 110V/Sq root 3V) terminal connector suitable for Al. tube/conductor with marshalling box etc., complete as per technical specification.Protection Cores - 1 & 2: 150 VA, Class 3P. Erection of CVTs and wiring including movement from the point of unloading to the point of erection. Wiring: Inspection of wiring, ferruling, crimping of lugs, connections in CT, marshalling box & control panel, extension of earth mat etc., Testing and Commissioning : Insulation resistance, polarity, ratio, excitation, Core identification, tan-delta & capacitance test. Nos 6

SS-06 Telecommunication equipments : Wave trap. 0.5 mH, 1250 A, 40 kA (Suspension type). No. 4

SS-07 Protection Coupler : 4 Commands version [G4AC] No. 1

SS-08 48V, 200AH Battery set plante including erection, testing, commissioning, Installing, assembling, filling of acid, wiring, assisting, test-charging and discharging Battery set. No. 1

SS-09 Copper core 2.5sqmm multistrand 10 core [for M2 Integration] Mtr 50

SS-10 Panel for housing Main-2 distance relay scheme-Two panel for two line bays Erection of control panel, auxilary panel, carrier cabinet, marshalling Bay Kiosk etc., alignment and fixing properly to foundation base including movement from the point of unloading to the point of erection including for platform, civil works for erection. Nos. 2

SS-11 Remote Automatic DR/EL collection system. (Hardware for providing Event logger) (For Stations without SAS ) including erection, testing, commissioning. Nos. 1

SS-12 GPS time synchronising device along with accessories including erection, testing, commissioning. Nos. 1

SS-13 Synchronising Equipment as per technical specifications [Recent PO Rate] Sychronising Trolley/Panel: Wiring, Testing, Calibration of meters & Testing for operation Nos. 1

SS-14 DC Distribution Panel (Indoor), 1 I/C SFU 200A + 20 O/G SFU 63A + 20 O/G SFU 32A with relays for DC failure & DC Bus earth fault as per technical specification. Nos. 2

SS-15 Control Cable:4Cx6sqmm Rmtr 1000

SS-16 Control Cable:4Cx25sqmm Rmtr 100

SS-17 Control Cable:19Cx2.5sqmm Rmtr 1000

SS-18 C- Clamp suitable for Drake - Drake [wedge type]. Nos. 30

SS-19 Drake 4 hole paddle 1400A with bolt, nut, washers Nos. 18

SS-20 GI structures for mounting Main 2 panel, DCDB etc MT 1

SS-21 Annunciator panel: 36 windows Nos. 1

SS-22 Annunciator panel:18 Windows Nos. 1

SS-23 Synchronous switch Nos. 2

SS-24 Synchronous socket Nos. 2

SS-25 Test Block for Main -2 Nos. 4

SS-26 DC Source-2 Supervision relay Nos. 3

SS-27 Carrier Switch Nos. 2

SS-28 Bus 1/2 PT Switch Nos. 2

SS-29 BVT/LVT Switch Nos. 2

SS-30 CB ready contact multiplier Nos 2

SS-31 AR Prority switch Nos 2

SS-32 AR Switch Nos 4

1. Supply of equipment and materials shall include loading and unloading

2. The bidder shall quote same rates for common materials in all the schedules of the price sheet.

3 The standard drawings approved by CEE, P&C vide letter no:CEE/P&C/SET/EE(TL)/AEE-9/2021-22/10039-49, dtd:05.10.2021 of 66kV & 110kV Equipments mounting structures and station structure used in 66/11kV & 110/11kV sub-stations of KPTCL are uploaded along with the technical specifications. The successful bidder shall download the drawings & adopt the same for execution of their awarded works. For the standard drawings do not require any further approval.

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE - 3A(I) - Price Break for Station Erection, Testing and Commissioning including De-commissioning

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

BIDDER SHALL FILL ONLY IN LIGHT BLUE COLOURED CELLS

Sl.No. Item Description Unit Total quantity to be erected including Testing & Commissioning including Dismantlling

ETC-01 Numerical Relays: For 220kV Side: Numerical Distance Relay compatable to IEC 61850 communication protocol [With different make & features] Nos. 4

ETC-02 Auxilliary Relays: Three Phase Trip Relay/ Master trip relay suitable for C&R panels at 400kV and 220 kV Stations. Nos. 4

ETC-03 Single Phase Trip Relay for C&R panels at 400 kV and 220 kV Station Nos. 12

ETC-04 Auxiliary relay for carrier protection/panel (3 element suitable for C&R panels at 400 kV and 220 kV Stations). [6 Nos per line] [Carrier recive : 2 no.s, Direct T&P receive : 2 nos, Carrier out of service : 2 nos] Nos. 12

ETC-05 245 kV CVT, 8800 pF, 1 Ph Outdoor type CVT with 3 secondaries (Ratio 220kV/Sq. Roo t3 / 110V /Sq. Roo 3 - 110V/Sq. Roo 3V-, 110V/Sq. Roo 3V) terminal connector suitable for Al. tube/conductor with marshalling box etc., complete as per technical specification.Protection Cores - 1 & 2: 150 VA, Class 3P. Erection of CVTs and wiring including movement from the point of unloading to the point of erection.Wiring: Inspection of wiring, ferruling, crimping of lugs, connections in CT, marshalling box & control panel, extension of earth mat etc., Testing and Commissioning : Insulation resistance, polarity, ratio, excitation, Core identification, tan-delta & capacitance test. Nos 6

ETC-06 Telecommunication equipments : Wave trap. 0.5mH, 1250 A, 40 kA (Suspension type). No. 4

ETC-07 Protection Coupler : 4 Commands version [G4AC] No. 1

ETC-08 48V, 200AH Battery set plante including erection, testing, commissioning Installing, assembling, filling of acid, wiring, assisting, test-charging and discharging Battery set. No. 1

ETC-09 Copper core 2.5sqmm multistrand 10 core [for M2 Integration] Mtr 50

ETC-10 Modification to the existing DCDB to create separate DC Source to main-II protection from Battery Bank 2. Nos. 1

ETC-11 Panel for housing Main-2 distance relay scheme-Two panel for two line bays Erection of control panel, auxilary panel, carrier cabinet, marshalling Bay Kiosk etc., alignment and fixing properly to foundation base including movement from the point of unloading to the point of erection including for platform, civil works for erection. Nos. 2

ETC-12 C&R Panels Wiring :Wiring of C&R panels: Identification, ferruling, crimping, termination of wires in C&R panels (without SAS). [Existing for main 1 and new panel in adaptor for main 2] Nos. 4

ETC-13 Testing of C&R panels: Testing for insulation level, Testing of relays, control operations for closing tripping etc., interlock. Alarm Annunciation & Indication Checks. [Existing for main 1 and new panel in adaptor for main 2] Nos. 4

ETC-14 Synchronising Equipment as per technical specifications [Recent PO Rate] Sychronising Trolley/Panel: Wiring, Testing, Calibration of meters & Testing for operation Nos. 1

ETC-15 DC Distribution Panel (Indoor), 1 I/C SFU 200A + 20 O/G SFU 63A + 20 O/G SFU 32A with relays for DC failure & DC Bus earth fault as per technical specification. Nos. 2

ETC-16 Control Cable:4Cx6sqmm Rmtr 1000

ETC-17 Control Cable : 4Cx25sqmm Rmtr 100

ETC-18 Control Cable :19Cx2.5sqmm Rmtr 1000

ETC-19 GI structures for mounting Main 2 panel, DCDB etc MT 1

ETC-20 Charges for witnessing the precommissioning tests Per Day 10

ETC-21 RT Staff : Transportation charges for ten days to Tataguni. L/s 1

ETC-22 Annunciator panel: 36 windows Nos. 1

ETC-23 Annunciator panel:18 Windows Nos. 1

ETC-24 Synchronous switch Nos. 2

ETC-25 Synchronous socket Nos. 2

ETC-26 Test Block for Main -2 Nos. 4

ETC-27 DC Source-2 Supervision relay Nos. 3

ETC-28 Carrier Switch Nos. 2

ETC-29 Bus 1/2 PT Switch Nos. 2

ETC-30 BVT/LVT Switch Nos. 2

ETC-31 CB ready contact multiplier Nos 2

ETC-32 AR Prority switch Nos 2

ETC-33 AR Switch Nos 4

1. Any clarifications / hard copy of drawings can be obtained from the office of the Chief Engineer Electricity, Tr.Operations Zone, KPTCL, AR Circle, Bengaluru.

2. Spacers shall be provided wherever necessary and no extra charges is payable on account of the same.

3. Supply of equipment/materials and the Erection charges shall include loading and unloading.

4. Copper Flat and GI Flat required for Power Transformers (if supply is in Bidder's scope) shall be supplied along with the Transformers and no extra cost is payable on this account.

5. The Bidder shall take necessary action to ensure that all the materials supplied shall be properly housed to ensure satisfactory commissioning.

6. Released materials shall be transported to the nearest Major Works/TL&SS Store of KPTCL without any additional cost as per the directions of the Engineer in charge of the work.

7. The standard drawings approved by CEE, P&C vide letter no:CEE/P&C/SET/EE(TL)/AEE-9/2021-22/10039-49, dtd:05.10.2021 of 66kV & 110kV Equipments mounting structures and station structure used in 66/11kV & 110/11kV sub-stations of KPTCL are uploaded along with the bid documents. The successful bidder shall download the drawings & adopt the same for execution of their awarded works. For the standard drawings do not require any further approval.

Date Designation

Place Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE - 3A(I)B - Price Break for Civil Portion

SHEET FOR TECHNOCOMMERCIAL OPENING (UN - PRICED)

Augmentation of existing 2x20MVA, 66/11kV Power Transformers by 2x31.5MVA, 66/11kV Power Transformers at 66/11kV Jigani Old Sub-Station in Anekal Taluk, Bangalore Urban District on Partial Turnkey basis(Excluding supply of 31.5MVA Power Transformers, NIFPS & 11kV Switchgear) including supply of all matching materials/equipments and erection (including civil works) of all materials/equipments, testing and commissioning.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

BIDDER SHALL FILL ONLY IN LIGHT BLUE COLOURED CELLS

Sl. No. Item Description Unit Total Quantity

C-01 Earth work excavation for laying of eath flat and for breaker foundation in ordinary soil by mechanical/manual all leads and lifts including shoring, strutting, providing caution boards, danger lighting, bracing, sheeting, bailing out of water, barricades and other works not specifically mentioned herein but required for the completion of work in all respects. Cubic meter 50

C-02 Back filling with excavated earth available near the work place and consolidation layer by layer of 150mm depth with adequate quantity of water. Cubic meter 40

C-03 Supplyng & fixing of name plates for earthing pits Nos 6

C-04 Letter writing for equipment grounding, equipment name plate, with enamel paint and also including cost of Paint, Brush etc., Nos 10

C-05 Cement concrete 1:2:4: Providing and laying site mix / Ready mixed cement concrete of 1:2:4 proportion 20 mm and down size granite jelly and clean sieved sand laid in 15 cm thick layers and well compacted including vibrating, curing etc., with all lead and lift, smooth finishing for exposed faces and with necessary centering and form work etc., complete. Cubic meter 20

C-06 Providing and fixing PVC pipes with pipe fittings, including cost of all materials,with 150mm outer dia Mtr 100

1. The uploaded drawings are indicative and are to be referred for guidance purpose only. However all foundations shall be designed to suit the site soil condition and as per the approved layout.

2. The bidder shall quote same rates for common materials in all the schedules of the price sheet.

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE-5 COMMERCIAL DEVIATION

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Please fill Only in the Light Blue Couloured Cell.

Please key in the SlNo., Volume , Section , Clause , Description as given in bid sheets and finally your Statement of Deviation/Variations.

This Sheet would be opened at the Techno-Commercial Opening.

For any further assistance for submitting your bids please call up KPTCL Office.

We agree to provide all original Documents in support of the information provided for verification upon request. (Key in as YES in the space provided)

We understand that the electonic bid submitted by us is a valid offer in accordance with IT Act. (Key in as YES in the space provided)

We are fully aware of the electronic bid formalities and abide by the same. (Key in as YES in the space provided)

If you are not deviating from any of the clauses mentioned please key in as 'NO DEVIATION' in the space provided.

Bidders Name and Address along with GSTIN No.:

To, The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

I/we have read each of the Clauses mentioned in INVITATION FOR TENDERS , INSTRUCTION TO TENDERERS , CONDITIONS OF CONTRACT, SPECIAL CONDITIONS OF CONTRACT and COMMERCIAL TERMS AND CONDITIONS and all the sections of Bid documents.

The following are the commercial Deviations and Variations from and exceptions to the Specifications and documents for Providing additional 1x8MVA 66/11kV Power Transformer & construction of one no. of 66kV line terminal bay for terminating second circuit line at 66/11kV Allimaranahalli sub-station in Kanakapura Taluk Ramanagara Dist., and Making LILO arrangement to the existing 66/11V Allimaranahalli sub-station by stringing 2nd circuit line from tap point of 66/11kV Allimaranahalli sub-station to 66kV Ramanagara-Kanakapura SC line to 66/11kV Allimaranahalli sub-station on the existing DC towers using Coyote ACSR conductor for a distance of 0.831kms. Including supply of all materials/ equipment (excluding 8MVA power transformer & 11kV switchgear) and erection (including Civil works) of all materials/ equipments, testing and commissioning on Partial Turnkey Basis against ENQUIRY NOKPTCL/CEE/T(O)Z/BZ/PTK 32/2025-26/ Allimaranahalli Call-3 Indent No: KPTCL/2026-27/EL/WORK_INDENT3815. These deviations and variations are exhaustive. Except these deviations, the entire work shall be performed as per your specifications and documents.

Sl. NO. VOLUME SECTION CLAUSE NO. DESC. AS PER SPECIFICATION STATEMENT OF DEVIATIONS/VARIATIONS

Note : Deviations specified elsewhere in the specification will not be considered.

Place Designation

Name of the company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE-6 : TECHNICAL DEVIATION

SHEET FOR TECHNO-COMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Please key in the SlNo., Volume , Section , Clause , Description as given in Bid sheets and finally your Statement of Deviation/Variations.

This Sheet would be opened at the Techno-Commercial Opening.

For any further assistance for submitting your bids please call up KPTCL office. Please fill only in the blue coloured cells.

We agree to provide all original Documents in support of the information provided for verification upon request. (Key in as YES in the space provided)

We understand that the electonic bid submitted by us is a valid offer in accordance with IT Act. (Key in as YES in the space provided)

We are fully aware of the electronic bid formalities and abide by the same. (Key in as YES in the space provided)

If you are not deviating from any of the clauses mentioned please key in as 'NO DEVIATION' in the space provided.

Bidders Name and Address along with GSTIN No.: TO,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

The following are the Technical Deviations and Variations from and exceptions to the Specifications and documents for Providing additional 1x8MVA 66/11kV Power Transformer & construction of one no. of 66kV line terminal bay for terminating second circuit line at 66/11kV Allimaranahalli sub-station in Kanakapura Taluk Ramanagara Dist., and Making LILO arrangement to the existing 66/11V Allimaranahalli sub-station by stringing 2nd circuit line from tap point of 66/11kV Allimaranahalli sub-station to 66kV Ramanagara-Kanakapura SC line to 66/11kV Allimaranahalli sub-station on the existing DC towers using Coyote ACSR conductor for a distance of 0.831kms. Including supply of all materials/ equipment (excluding 8MVA power transformer & 11kV switchgear) and erection (including Civil works) of all materials/ equipments, testing and commissioning on Partial Turnkey Basis against ENQUIRY NO.KPTCL/CEE/T(O)Z/BZ/PTK 32/2025-26/ Allimaranahalli Call-3 & KPTCL/2026-27/EL/WORK_INDENT3815. These deviations and variations are exhaustive. Except these deiviations and variations, the entire work shall be performed as per your specification and documents.

Sl. NO. VOLUME SECTION CLAUSE NO. DESC. AS PER SPECIFICATION STATEMENT OF DEVIATIONS/VARIATIONS

Note : Deviations specified elsewhere in the specification will not be considered.

Place Designation

Name of the company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: TO,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

List of special tools and tackles the price of which is included in bid price.

Sl. No. For equipment Description of item Unit Quantity

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

NOTE: 1 ) SHALL BE FURNISHED WITHOUT PRICES

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

We have enclosed (uploaded) with our proposal the following additional information.

Sl. No. Brief Description of information Ref. and Page No.

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE - 9 (1 of 5) : QUALIFYING REQUIREMENTS

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: TO,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

a) * We have submitted bid as individual Bidder. (Key in Individual Bidder )

b) * We have submitted bid in Consortium with the following Bidders. (Key in Consortium) VOID

Name of the Consortium Partner Scope / Participation of each Consortium Partner

(* Fill-up whichever is applicable)

1.0 GENERAL INFORMATION

All individual Bidder and each partner of Consortium bidding for this package are requested to complete the information in the following form.

Sl.No. Particulars Bidder details

1 Name of the Firm

2 Address of Head Office / Registered Office GST no.

5 Name of Contact person with Designation

6 Place of Incorporation/Registration

7 Year of Incorporation/Registration

8 Constitution or legal status of Tenderer [Upload copy]

9 Place of Registration [Upload copy]

10 Principal place of business

2.0 We are furnishing the following details/documents in support of Qualifying requirement for above mentioned project

Sl.No. Bidder details Indicate Yes /No

(a) Written power of attorney of the signatory on the bid to commit the bidder. In case of Consortium

1 Furnished / Not VOID

2 Uploaded / Not

(b) Certificate of Registration of the Company. Please mention the date of incorporation of the company

1 Uploaded / Not

(c ) Valid Super Grade Electrical Contractor’s License issued by the Government of Karnataka as on the date of techno commercial Bid opening. Please mention the date of expiry of the License certificate issued by GOK/ Undertaking to this effect

1 Uploaded / Not

(d) Self declaration regarding Litigation w.r.t KPTCL contracts over the last five years (refer ITT)

1 Uploaded / Not

(e) Self declaration for ‘not being disqualified regarding non-performance in any of the Government utilities in the past five years’. (refer ITT)

1 Uploaded / Not

(f) An undertaking to source the supply of equipment/ material from KPTCL approved vendors only as per QR for Vendor registration, available in the KPTCL website ie., kptcl.karnataka.gov.in, Link Tendering & Procurement-Application for Vendor.

1 Uploaded / Not

(g) Self declaration regarding no action against the bidder have been taken by KPTCL in respect of Risk & Cost clause

1 Uploaded / Not

(h) Self declaration regarding 'Eligibility clauses in respect of restrictions on procurement from a bidder of a country which shares a land border with India as per Annexure-XVI

1 Uploaded / Not

(i) Self declaration regarding RESTRICTIONS ON SOURCING OF EQUIPMENTS/MATERIALS BY THE BIDDER FROM A VENDOR OF A COUNTRY WHICH SHARES A LAND BORDER WITH INDIA as per Annexure -XVII

1 Uploaded / Not

Section 3 : 1.3 Work performed of similar nature in the last Ten years, preceding the date of Bid submissionof Bidder (Clause No: 3.2 (b) (i) & (ii) of ITT) - In respect of Sub Station portion and Transmission Lines resp.

Project Name Name & Address of the Employer Description of Work Voltage class Number of Sub-Stations/Length of the Line Contract Number Value of contract Rs. Lakh Date of issue of work order Specified period of completion Actual date of commissioning Remarks explaining reasons for delay in commisioning of work

1 . The documentary proof of fulfilling the qualifying requirements shall be uploaded along with the bid. The bidder shall upload the P.O,LOI/LOA, DWA, Work done, Performance Certificates issued by the end users not below the rank of Executive/ Divisional Engineer along with the bid.

Note : 1 . The documentary proof of fulfilling the qualifying requirements shall be uploaded along with the bid. The bidder shall upload the P.O,LOI/LOA, DWA, Work done, Performance Certificates issued by the end users not below the rank of Executive/ Divisional Engineer along with the bid.

2. The qualifying experience of the Bidder who is having qualifying experience shall be furnished in the above performa and Documentary Proof in support of above shall be uploaded in the form of certificates issued by authorized officers of concerned organisations.

3. IF this sheet is insufficient for furnishing the qualifying experience of the Bidder then similar sheets shall be seperately uploaded.

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE - 9 (2 of 6) : QUALIFYING REQUIREMENTS

SHEET FOR TECHNOCOMMERCIAL OPENING

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

BIDDER'S NAME AND ADDRESS: TO,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Section 3 : 1.5 Information on works for which Tenders have been submitted and works which are yet to be completed as on the date of this Tender by Tenderer.

(A) Existing commitments and on-going works:

Description of work Place & State Contract No & Date Name and Address of Employer Value of contract (Rs. Lakh) Stipulated period of cof Completion Value of works remaining to be completed ( Rs.Lakhs) (Attach Certificates from Engineers –in- Charge/CA/Cost Auditor) Anticipated date of commissioning

Ex-Works GST Total (Ex-works + GST)

Name of Lead Bidder

(B) Works for which Tenders already submitted:

Description of work Place & State Name and Address of Employer Estimated value of works (Rs. Lakhs) Stipulated period of Completion Date when decision is expected Remarks if any

Ex-Works GST Total (Ex-works + GST)

Name of Lead Bidder

i. The statements showing the value of existing commitments and on-going works as well as the stipulated period of completion remaining for each of the works listed should be countersigned by the Employer in charge, not below the rank of an Executive Engineer or equivalent. OR The statements showing the value of existing commitments and on-going works as well as stipulated period of completion remaining for each of the works listed should be verified and certified by Chartered Accountant/ Cost Auditor. However, the Bidder has to upload the PO/Work Award copies for existing commitments & on-going works.

ii) A self-declaration is to be uploaded by the bidder stating that "the information with regard to assessed available tender capacity (Works on Hand) furnished are correct”.

iii) Bidders shall furnish Certificate from Chartered Accountants for split details of Ex-works values and GST of Contract values of the works in the prescribed format as at Clause No. 1.5 of Section-3: Qualification Information.

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE - 9 (3 of 5) : QUALIFYING REQUIREMENTS

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

BIDDER'S NAME AND ADDRESS: TO,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Following is the list of major supplied subsation equipments/accessories which are type tested and designed, manufactured by us in accordance with internationally recognised standards.

Sl. No. Item rating, type and Designation Qty Customer Date of Order Date of Supply Date of Commissioning Ref. of Cusomer's certificate of successful operation enclosed Ref. of layout & Customer's certificae for successful commission

Note: Documentary Proof in support of above shall be uploaded in the form of certificates issued by authorized officers of concerned organisations. .

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE - 9 (4 of 5) : QUALIFYING REQUIREMENTS

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

BIDDER'S NAME AND ADDRESS: To

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Section 3 : 1.7 Reports on the financial standing of the tenderer, such as Profit and Loss Statements and Auditor’s reports in the preceeding last five years, Audited Financial statements i.e Balance sheets, P&L statements, Turnover certificates duly certified by chartered Accountant as documentary evidence shall be uploaded.

SLNo. Particulars Year Bidder Consortium Member

Mention Year Amount(Rs.) Mention Year Amount(Rs.)

Names of the constituent Firms VOID

1 Annual turn over for the last Five years Year(1) 2020-21

2 Liquid Assets / Credit availability or access to evidence of assets

3 Whether Audited Balance sheets and Profit & Loss statement are enclosed for the last Five Years ? (yes/No)

4 Whether Bankers certificate enclosed for credit facilities? (Yes/No)

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

SCHEDULE - 9 (5 of 5) : QUALIFYING REQUIREMENTS

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

BIDDER'S NAME AND ADDRESS: TO,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

The information to be filled in by the Tenderer hereunder will be used for purposes of computing Tender capacity as provided for in Clause 3 of the Instructions to Tenderers. This information will not be incorporated in the Contract.

1.1 Constitution or legal status of Tenderer [Upload copy]

Place of Registration [Upload copy]

Principal place of business

Section 3: 1.2 Total value of works executed (KPTCL & NON KPTCL works) and payments received in the last five years (in Rs. Lakhs)

1.2 Total value of works executed (KPTCL & NON KPTCL works) and payments received in the last five years (in Rs. Lakhs) of Bidder Financial Year Details

KPTCL works Non KPTCL works

Total value of works in Rs. Lakh Total value of works in Rs. Lakh

Note: Attach relevant Certificate/s from Chartered Accountant.

Section 3: 1.9 Name, address, and telephone, telex, and fax numbers of the Tenderers' bankers who may provide references if contacted by the Employer.

Sl.No Name, address, and telephone, telex, and fax numbers of the Tenderers' bankers

1.12 Information on litigations in which the Tenderer is involved:

Other Party(ies) Employer Details of Dispute Amount involved Remarks showing Present Status

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE-10 (1 of 3)

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Following are the details of the Tools and Plants available with us.

Sl. No. Description Quantity Make Present Location / Project Remarks (if any)

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE 10-2 of 3

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Details of Technical staff employed in the project division

Sl. No. Name of the employee Designation Branch (Degree/Diploma) Year of Passing Since when employed in erection division Past Experience

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE 10- 3 0f 3

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

We propose the following deployment of manpower for the substation Package.

Sl. No. Category MONTHS AFTER PLACEMENT OF AWARD LETTER

1 Project manager

2 Sr. Project Manager

5 Skilled labour

6 Non skilled labour

We propose the following deployment of manpower for the Transmission line package

Sl. No. Category MONTHS AFTER PLACEMENT OF AWARD LETTER

1 Project manager

2 Sr. Project Manager

5 Skilled labour

6 Non skilled labour

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE-11(A) : COMPLETION SCHEDULE FOR SUB-STATION WORK

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

We hereby declare that following shedules shall be followed by us for the above work. The period of various activities from the date of placement of award letter for the items covered under the package shall be as follows:

SL.NO Activity Period in months

Commencement Completion

1 Detailed engineering

2 Procurement of bought out items / raw materials

3 Manufacturing & Testing

5 Setting up of site office, Sheds & stores etc.

7 Concreting for

a)Tower Foundations

b)Equipment and mounting structure foundadions

c)Cable trenches

2. Installation

8 Receipt(at site) of

a)Main equipment / spares

c)Insulators & Hardwares

d)Clamps & Connectors

e)Marshalling kiosks

f)Cables & Cabling Materials

a)Main structures

b)Equipment support structures

10 Equipment Erection

11 Strengthening of earthmat

12 Bus bar erection

15 Completion of testing and ready for commissioning

16 Commissioning

Place Designation

Name of the Company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE-11(B) : COMPLETION SCHEDULE FOR TRANSMISSION LINE WORK

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

We hereby declare that following shedules shall be followed by us for the above work. The period of various activities from the date of placement of award letter for the items covered under the package shall be as follows:

SL.NO Activity Period in months

Commencement Completion

1 Submission of Drawings

2 Completion of detailed engineering

3 Commencement of Manufacturing

4 Completion of Manufacturing

5 Readiness for testing

6 Readiness for Shipment

7 Receipt at Site

8 Completion of Shipment

1 Check Survey/Detailed Survey

2 Testing of Prototype towers

3 Setting up of site office, sheds and stores etc.

4 Exacavation of foundations

5 Foundations and other Civil Works

6 Erection of towers

7 Installatioin of Insulators, Hardware, Accessories and stringing of conductor etc.

8 Installation of other Accessories

9 Testing , Commissioning and Handing over.

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE - 12 (TYPE TESTS)

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

BIDDERS SHALL NOTE THAT VARIOUS TYPE TESTS INDICATED IN THE PRICE SHEETS SHALL BE INDICATED HERE ALSO & AGAINST THE PRICE CELLS KEY IN AS 'Quoted' IN LIGHT BLUE COLOURED CELLS

ALL THE TYPE TESTS APPLICABLE FOR EACH OF THE EQUIPMENTS SHALL BE INCLUDED.

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Sl. No. Details of Equipments Type Test Test Charges ( in Rs )

1 a) Power Transformers:

b) Auxiliary Transformers: 11/0.433kV

2 SF6 Circuit Breakers:

4 Current Transformer:

5 Voltage Transformers:

6 Surge Arrestors

7 Control & Relay Panels / Relay & Protection Panels

8 L.T. A.C Panel

9 Station Battery

10 Station Battery Charger

11 1.1KV Power Cables

12 1.1kV Copper Control cables

13 11kV U.G Cable

14 11kV Switchgear

15 Capacitor Banks

16 Conductors & Eartn Wire a) Drake ACSR

17 Insulators a) 90KN / 120KN Disc Insulator Strings

b) Solid Core Insulators

18 Equipment / Station Structures

20 Hardware Materials

21 Yard lightning equipments

22 Fire Fighting equipments

23 Aluminium pipe and Clamps

24 AC DISTRIBUTION BOX

25 DC DISTRIBUTION BOX

Note : * Other test charges if any are to be indicated

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

BIDDERS SHALL NOTE THAT QUANTITIES INDICATED IN THE PRICE SHEETS SHALL BE INDICATED HERE ALSO.

Bidders Name and Address along with GSTIN No.:

To, The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

List of optional spares required to meet the specified performance for a period of three years,

Sl. No. For Equipments Details of item Unit Quantity

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.: To,

The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Dear Sir, We Declare that the ratings and performance figures of the transformer furnished by us under the Turnkey Package are Guaranteed. We further declare that in the event of any deficiencies in meeting the guarantees in repect of the characteristics mentioned below as established after conducting the factory test, you may at your discretion,reject or accept the equipment after assessing the liquidated damages as specified in relevant clause of Bid Document.

Equipment Guaranteed Losses at rated output(KW)

Copper losses at 750 C Iron loss at rated voltage & Frequency Cooler loss for Power Transformer

i) 8 MVA, 66/11kV Power Transformer

ii) 100KVA, 11KV/433V Auxiliary Transformer

Note: Refer Technical Specifications Vol II A 1 of 2, Section 3 (A)

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

LIST OF VENDORS

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.:

TO, The Chief Engineer, Electy., Transmission (Operations) Zone KPTCL, Ananda Rao Circle, BANGALORE - 560009

Sl. No. EQUIPMENT/ MATERIAL NAME OF THE VENDOR

VENDOR 1 VENDOR 2 VENDOR 3 VENDOR 4

1 POWER TRANSFORMERS

2 CIRCUIT BREAKER

4 CURRENT TRANSFORMER

5 VOLTAGE TRANFORMER

6 SURGE ARRESTERS

7 Control & Relay Panels / Relay & Protection PANELS

8 Station / Equipment Support structures

9 Aluminium pipe and Clamps

10 ACSR CONDUCTOR

12 Solid Core Insulator

13 Disc Insulator Strings

14 Insulator Hardware Clamps & Power connectors

15 Auxiliary Transformer

17 1.1kV POWER CABLES

18 AC DISTRIBUTION BOX

19 DC DISTRIBUTION BOX

21 BATTERY CHARGER

22 CONTROL CABLES

23 11KV Switchgear

24 11kV UG CABLE

25 FIRE FIGHTING EQUIPMENTS

26 NITROGEN INJECTION FIRE FIGHTING EQUIPMENT

27 Illumination Equipments / Fixtures

29 Tower Accessories

30 Insulator Hard Wares

31 Conductor Accessories

32 Earth Wire Accessories

Note : * Any Other Materials name & its vendors are to be entered.

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE-16 : NO DEVIATION CERTIFICATE (ANNEXURE-I)

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

NOTE: SCHEDULE DULY SIGNED BY THE AUTHORIZED PERSON SHALL BE SENT ALONG WITH ORIGINAL BANK GUARANTEE AND ORIGINAL DD (TOWARDS BID GUARANTEE ) TO CHIEF ENGINEER ELECTRICITY TRANSMISSION ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE SO AS TO REACH AFTER THE LAST SUBMISSION DATE AND ON OR BEFORE THE DATE AND TIME OF OPENING OF TECHNO COMMERCIAL BIDS.

With reference to our Bid Proposal No dated

for Combined Package of

We hereby confirm that we have read the provisions of the contract, the stipulation of these clause are acceptable to us,

and we have not taken any deviation whatsoever to these clauses:

a) Terms of payment Clause No. 37 of Section-5,Conditions of Contract (CC) and Clause No.8 of Special Conditions of Contrac (SCC)

b) EMD/Bid Security Clause No. 6, Section :1, Invitation for Tenders (IFT) and Clause No. 13, Section :2, Instruction to Tenderer (ITT)

c) Contract Performance Guarantee Clause No. 29 of Section:2, Instruction to Tenderers (ITT).

d) Penalty for delay Clause No. 41 of Section-5 : Conditions of Contract (CC).

e) Price Basis/ Price adjustment Clause No. 40 of Section-5 :Conditions of Contract (CC).

f) Defects Liability Period/Guarantee Clause No. 10 of Section-5 Special Conditions of Contract (SCC)

g) Work Schedule Clause No.17 of Section:5 Conditions of Contract (CC)

h) Taxes and Duties Clause No. 11.11 of Section-2: Instruction to Tenderers (ITT).

We further confirm that any deviation to the above clauses at SI.No. (a) to (h) found anywhere in our bid proposal, implicit or explicit, shall stand unconditionally withdrawn, without any cost, implication whatsoever to KPTCL.

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE-17 FORM FOR BID SECURITY (ANNEXURE -II)

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

NOTE: SCHEDULE DULY SIGNED BY THE AUTHORIZED PERSON SHALL BE SENT ALONG WITH ORIGINAL BANK GUARANTEE AND ORIGINAL DD (TOWARDS BID GUARANTEE ) TO CHIEF ENGINEER ELECTRICITY TRANSMISSION ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE SO AS TO REACH AFTER THE LAST SUBMISSION DATE AND ON OR BEFORE THE DATE AND TIME OF OPENING OF TECHNO COMMERCIAL BIDS.

Ref No. Bank Guarantee No.

In accordance with Invitation to Bid under your specification

No. M/s having its Registered /

Head Office at (hereinafter called the 'Bidder') wish

to participate in the said Bid or and you, as a special favour have agreed

to accept an irrevocable and unconditional bank guarantee for an amount of Rs.

valid up to on behalf of Bidder in lieu of the Bid deposit required to be made

by the Bidder, as a condition precedent for participation in the said Bid, in addition to the Demand draft No.

we the Bank at having our Head office at

(local address) guarantee and undertake to pay immediately on demand by Karnataka Power Transmission Corporation Limited

the amount of (in figures and words)

merely on demand and without any reservation, protest, demur and recourse. Any such demand made by said `Owner' shall be conclusive and binding on us irrespective of any dispute or difference raised by the Bidder.

This Guarantee shall be irrevocable and shall remain valid up to and including

If any further extension of this guarantee is required, the same shall be extended to such required period (not exceeding one year) on receiving instructions

from M/s on whose behalf this guarantee is issued.

In witness whereof the Bank, through its authorised officer, has set its hand and stamp on this

Signature Signature

Official Addressess Designation with Bank Stamp.

Attorney as per Power of Attorney No.

Note : 1) Both the Bank Guarantee and Demand Draft shall be scanned and uploaded along with Electronic sheets. 2) This date shall be Thirty (30) days after the last date for which the bid is valid.

Karnataka Power Transmission Corporation Limited

SCHEDULE-18 PROFORMA OF LETTER OF UNDERTAKING (ANNEXURE -V)

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

NOTE: SCHEDULE DULY SIGNED BY THE AUTHORIZED PERSON SHALL BE SENT ALONG WITH ORIGINAL BANK GUARANTEE AND ORIGINAL DD (TOWARDS BID GUARANTEE ) TO CHIEF ENGINEER ELECTRICITY TRANSMISSION ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE SO AS TO REACH AFTER THE LAST SUBMISSION DATE AND ON OR BEFORE THE DATE AND TIME OF OPENING OF TECHNO COMMERCIAL BIDS.

(To be executed on Non-Judicial paper of Value Requisite Value)

1. I*/We* have read and examined the following bid documents relating to the

(full Scope of Work)

a) Notice Inviitng Tender

b) Conditions of Contract containing sections "Invitation to Bid", "Instructions to Bidder", "General Terms & Conditions of contract (GCC)" and "Erection Conditions of Contract (ECC)".

c) Special Conditions of Contract (SCC) along with Annexure to

d) Drawings No.

e) Technical Specifications

2 . I / We hereby submit our Bid and undertake to keep our Bid Valid for a period of 180 days from the date of techno-commercial bid opening.I / We hereby further undertake that during said period I/We shall not vary/alter or revoke my/our Bid.

This undertaking is in consideration of KPTCL agreeing to open my / our Bid and consider and evaluate the same for the purpose of award of Work in terms of provisions of clause entitled "Award of Contract" section ITB, Conditions of Construct in the Bid Documents.

Should this bid be accepted, I / We also agree to abide by and fulfil all the terms, conditions of provision of the above mentioned bid.

Signature along with Seal of Co.

WITNESS (Duly Authorised to sign the Tender on Behalf of the Contractor.)

DATE DESIGNATION

NAME AND ADDRESS NAME OF THE COMPANY (in Block Letters)

Karnataka Power Transmission Corporation Limited

SCHEDULE-19B CONSORTIUM AGREEMENT ON NON JUDICIAL STAMP PAPER OF Rs. 200/- (ANNEXURE -XV)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

NOTE: SCHEDULE DULY SIGNED BY THE AUTHORIZED PERSON SHALL BE SENT ALONG WITH ORIGINAL BANK GUARANTEE AND ORIGINAL DD (TOWARDS BID GUARANTEE ) TO CHIEF ENGINEER ELECTRICITY TRANSMISSION ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE SO AS TO REACH AFTER THE LAST SUBMISSION DATE AND ON OR BEFORE THE DATE AND TIME OF OPENING OF TECHNO COMMERCIAL BIDS.

CONSORTIUM AGREEMENT AMONGST M/s ………….., M/s ………….. , M/s ………….. , for Bid Specification No.

……………………… OF KARNATAKA POWER TRANSMISSION CORPOARATION LTD.

This consortium agreement executed on this day Month of Two thousand amongst

M/S………….. a company incorporated under the laws of …………..(country) and having its registered office at ( herein after called the “Lead Company” which expression shall include its

successors, executors and permitted assigns), M/S………………….., a company incorporated under the laws of …………(country)

and having its registered office at (herein after called the Constituent Company which expression shall include its successors, executors and permitted assigns) ,

M/S………………….., a company incorporated under the laws of …………(country)

and having its registered office at (herein after called the Constituent Company which expression shall include its successors, executors and permitted assigns) ,

for the making a bid and entering into a contract (In case of award) against the specification no for

" ………………………………(Name of the work) for Karnataka Power Transmission Corporation Ltd. having its registered office at Kaveri Bhavan , Bangalore

560 009 , Karnataka (hereinafter called the "Owner"). The leader of the consortium shall abide by the general terms and conditions specified by the Purchaser. WHEREAS the Owner invited bids as per the above mentioned specifications for the design, manufacture,

supply and erection, testing and commissioning of Equipments/Materials stipulated in the bidding documents under subject package

(Name of the work)

AND WHEREAS Section-I ( Volume-1: Clause No. 11:- Qualifying Requirement), forming part of the bidding documents, stipulates that a consortium meeting the requirements of Section-I, ( Invitation of Bid) applicable may bid, provided the Consortium fulfills all other requirements of specification and in such a case, the Bid shall be signed by the members so as to legally bind the members and who will be jointly and severally liable to perform the Contract and all obligations hereunder

The above clause further states that the consortium agreement shall be attached to the bid and the contract performance guarantee will be as per the format enclosed with the bidding document without any restriction or liability for either party

AND WHEREAS the bid has been submitted to the Owner vide proposal No. dated ……………… by Lead Company based on the Constituent agreement between all the consortium

under these presents and the bid in accordance with the requirements of Specifications (Qualification Requirements).

NOW THIS INDENTURE WITNESSTH AS UNDER

In consideration of the above premises and agreements all the partners to this consortium members do hereby now agree as follows:

1) In Consideration of the award of the Contract by the Owner to the Consortium members, we , the members to the consortium agreement do hereby agree that Ms. shall act as Lead Company and

shall act as Lead Company and further declare and confirm that we shall jointly and severally be bound up to the Owner for the successful performance of the contract and shall be fully responsible for the design, manufacture, supply and successful performance of the equipments in accordance with the Contract

2) In case of any breach of the said contract by the Lead company or other constituent of the Consortium agreement, the Lead company do hereby agree to be fully responsible for the successful performance of the contract and to carryout all the obligations and responsibilities under the contract in accordance with the requirements of the Contract

3) Further, if the Owner suffers any loss or damage on account of any breach in the contract or any shortfall in the performance of the equipment in meeting the performance guaranteed as per the specification in terms of the contract, the Lead company of these presents undertake to promptly make good such loss or damages caused to the Owner, on its demand without any demur. It shall not be necessary or obligatory for the Owner to proceed against Lead Partner to these presents before proceeding against or dealing with the other Partner (s)

4) The Financial liability of the members of the consortium agreement to the Owner, with respect to any of the claims arising out of performance or non-performance of the obligations set forth in the said agreement, read in conjunction with the relevant conditions of the contract shall, however not be limited in any way so as to restrict or limit the liabilities of any of the members of the agreement

5) It is expressly understood and agreed between the members to this consortium agreement that the responsibilities and obligations of each of the partners shall be as delineated hereunder (To be incorporated suitably by the member to this agreement). However, each member of the consortium will be severally and jointly responsible for the faithful performance of the contract. It is further agreed by the member that the above sharing of responsibilities and obligations shall not in any way be a limitation of joint and several responsibilities of the members under this contract.

Sl. No. Name of the Lead Bidder / Consortium Partner Scope of work / participation

We further declare ourselves bound to execute our scope of work/participation as stated above;

6) This Consortium agreement shall be constructed and interpreted in accordance with the laws of India and the courts of Bangalore shall have the exclusive jurisdiction in all matters arising there under

7) In case of an award of a Contract, we the Consortium members do hereby agree that we shall be jointly & severally responsible for the works respectively executed and Lead company shall furnishing a contract performance security from a bank in favor of the PURCHASER in the forms acceptable to purchaser for value of 10% of the Contract price in the current / Currencies of the contract.

8) It is further agreed that the Consortium agreement shall be irrevocable and shall form an integral part of the contract, and shall continue to be enforceable till the owner discharges the same. It shall be effective from the date first mentioned above for all purposes and intents.

IN WITNESS WHEREOF the partners to the Consortium have through their authorized representatives executed these presents and affixed Common seals of their companies, on the day, month and year first mentioned above

WITNESS For Lead Company

Signature…………………

Name……………………. Name:

Designation……………… Designation:

Common Seal of the Company

WITNESS For Constituent 1

Signature…………………

Name……………………. Name:

Designation……………… Designation:

Common Seal of the Company

WITNESS For other Constituent 2

Signature…………………

Name……………………. Name:

Designation……………… Designation:

Common Seal of the Company

Karnataka Power Transmission Corporation Limited

SCHEDULE-20 (A) : POWER OF ATTORNEY (ANNEXURE-Xi)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

NOTE: SCHEDULE DULY SIGNED BY THE AUTHORIZED PERSON SHALL BE SENT ALONG WITH ORIGINAL BANK GUARANTEE AND ORIGINAL DD (TOWARDS BID GUARANTEE ) TO CHIEF ENGINEER ELECTRICITY TRANSMISSION (OPERATIONS) ZONE, KPTCL ANANDA RAO CIRCLE, BANGALORE SO AS TO REACH AFTER THE LAST SUBMISSION DATE AND ON OR BEFORE THE DATE AND TIME OF OPENING OF TECHNO COMMERCIAL BIDS.

POWER OF ATTORNEY :

(To be stamped on Rs.500/- Non Judicial stamp paper in accordance with KPTCL Circular No. KPTCL/GMT/CIVL(B7)/35/ 2024-MANAGER ESTATE (E-106992) dated 02.03.2024)

KNOW ALL MEN BY THESE PRESENTS that we

a Company incorporated

under the laws of

and having its Registered Office / Head Office at

(Here in after called "Manufacturer / Bidder" ) which expression shall unless repugnant to the

Context or meaning thereof, include its succesors, administrators and assigns)

acting through Mr its constitute, nominate and appoint

M/s a Company incorporated under the laws of

and having its Registered / Head Office at

as its duly constituted lawful Attorney (hereinafter called "Attorney"

or "Authorized Representative") to exercise all or any of the powers for and on

behalf of the "Manufacturer / Bidder" in regard to Specification No.

the bids for which have been invited by

(Address "Owner") to undertake the following acts:

i. To submit proposal and participate in the aforesaid Bid Specification of the Owner on behalf of the "Manufacturer / Bidder".

ii. To negotiate with the "Owner" the terms and conditions including price for award of the contract pursuant to the aforesaid Bid and to sign the contract with the "Owner" for and on behalf of the Manufacturer / Bidder.

iii. To receive accept and execute the contract for and on behalf of the "Manufacturer / Bidder".

iv. To do any other act or submit any document related to the above.

It is expressly understood that the Power of Attorney shall remain valid, binding and irrecoverable till submission of the Contract performance guarantee in terms of the Contract. The "Manufacturer / Bidder" hereby agrees and undertakes to satisfy and confirm all the whatsoever the said "Attorney" / "Authorised Representative" quotes in the Bid, negotiates and signs the contract with the "Owner" and / or purports to act on behalf of the "Manufacturer / Bidder" by virtue of this Power of Attorney and the same shall bind the "Manufacturer / Bidder" as if done by itself.

IN WITNESS WHEREOF THE "Manufacturer / Bidder" has executed these presents at

on this day of under

the Common Seal of the Manufacturer company / Bidder.

Specimen Signature of Attorney Holder

(Name & Designation) For and on behalf of

Common Seal of the above Manufacturer / Bidder

Has been affixed thereto in the presence of :

Karnataka Power Transmission Corporation Limited

SCHEDULE-21 (MATERIALS SOURCED FROM OUTSIDE KARNATAKA)

SHEET FOR TECHNOCOMMERCIAL OPENING (UN-PRICED)

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

(1) PLEASE FILL ONLY IN THE LIGHT BLUE COLOURED CELLS. (2) AGAINST THE 'VALUE OF MATERIAL/EQUIPMENT CELLS' KEY IN AS 'Quoted'

Bidders Name and Address along with GSTIN No.:

TO, THE CHIEF ENGINEER ELECTRICITY TRANSMISSION ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE - 560 009.

We declare that the following Materials / Equipments in our scope of supply are sourced from outside the State of Karnataka.

Sl. No. Description of Materials / Equipments Value of Material / Equipment remarks

Place Designation

Name of the company

KARNATAKA POWER TRANSMISSION CORPORATION LIMITED

SCHEDULE -22 - Check List

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Bidders Name and Address along with GSTIN No.:

TO, THE CHIEF ENGINEER ELECTRICITY TRANSMISSION (OPERATIONS) ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE - 560 009.

CHECK LIST FOR SUBMISSION OF SCHEDULES

REFERENCE OF FORM & SCHEDULE DETAILS OF FORM & SCHEDULE WHETHER INCLUDED IN TECHNO-COMMERCIAL SHEETS (ELECTRONIC) YES/NO WHETHER INCLUDED IN PRICE SHEETS (ELECTRONIC) YES/NO WHETHER UPLOADED THE SCANNED COPY & FURNISHED THE HARD COPY

PROPOSAL BID PROPOSAL

Schedule - 1 PRICE COMPONENTS

Schedule 2 (1 of 2 & 2 of 2) Summary of Price Components

Schedule 2A Schedule of Discounts

Schedule 2B Statement of Commercial Terms & Conditions

Schedule 3A(I) Price break up for Supply & Erection portion of Sub-Station Work

Schedule 3A(II) Price break up for Supply Portion of Transmission Line Work

Schedule 3A(III) Price break up for Erection Portion of Transmission Line Work.

Schedule 3B(I) Price break up for Civil Works Portion of Sub-Station Work

Schedule 3B(II) Price break up for Civil Works Portion of Transmission Line Work.

Schedule 4 Price break up for mandatory spares

Schedule 5 Commercial deviations

Schedule 6 Technical deviations

Schedule 7 List of special Tools & Tackles

Schedule 8 Additional information.

Schedule 9 (1 of 4 to 4 of 4) Qualifying requirement [Technical & Financial]

Schedule 10 Details of Tools and plants and man power deployment

Schedule 11(A) & (B) Schedule for activities & Commissioning.

Schedule 12 Type Test Charges

Schedule 13 List of optional spares and cost.

Schedule 14 Transformer Guaranteed Losses Declaration

Schedule 15 List of Vendors.

Schedule 16 Annexure 'I' No deviation certificate

Schedule 17 Proforma for Bid guarantee

Schedule 18 Proforma for letter of undertaking

Schedule 19 Proforma for Consortium Agreement

Schedule 20(A), 20(B), 20 ( C) Proforma for Power of attorney

Schedule 21 Materials Sourced from Out side Karnataka

Schedule 23 Guarantee Declaration

DRS - 1 to 38 Relevant Technical details for Equipment and Foundation package

To be Attached Contract Quality Assurance Programme

To be Attached Acivity Chart

To be Attached Type Test Certificates

To be furnished & Attached Bid Security

To be furnished & Attached Written Power of Attorney

To be furnished & Attached Letter of Undertaking

To be furnished & Attached No Deviation Certificate

To be furnished & Attached Consortium agreement, if applicable

To be furnished & Attached Any Other (Please Specify)

To be furnished & Attached Any Other (Please Specify)

To be furnished & Attached Any Other (Please Specify)

Place Designation

Name of the Company

Karnataka Power Transmission Corporation Limited

SHEET FOR TECHNOCOMMERCIAL OPENING

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

Bidders Name and Address along with GSTIN No.:

TO, THE CHIEF ENGINEER ELECTRICITY TRANSMISSION (OPERATIONS) ZONE,KPTCL ANANDA RAO CIRCLE, BANGALORE - 560 009.

We Declare that the ratings and performance figures of the equipment furnished by us under the Turnkey Package are Guaranteed. We further declare that in the event of any deficiencies in meeting the guarantees in repect of the characteristics as established after conducting the performance test,you may at your discretion, reject the equipment, in which case we shall replace the same with equipment as per specification and meeting the guarantee, free of charge and within a resonable time, to be mutually agreed.

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

A1 : GUARANTEED TECHNICAL PARTICULARS FOR POWER TRANSFORMERS

(Bidder should indicate the guaranteed technical data of all equipments/materials for each type of rating separately)

Class of Power Transformer MVA, 66/11kV Power Transformer

1 Name of the Manufacturer and country of origin

2 Reference standard

3 Service [Indoor/outdoor]

4 Continuous rating under service conditions specified in IS-2026 Part-I, 2011 Clause No.1.1 : HV

a. 1. With ONAN cooling - MVA

2. With ONAF cooling - MVA

b. Rated no load voltage

6 a. Rated Frequency : (Hz)

b. Number of phases

7 Current at rated voltage and on principal tap-Amp :HV

8 Maximum hot spot temperature rise calculated by formula 0C over the maximum yearly weighted average ambient temperature

9 Flux density at rated voltage and rated frequency in tesla

10 Temperature rise of top oil, oC by the thermometer (above Max. Ambient Temperature).

11 Temperature rise of winding measured by resistance (above Max. Ambient Temperature).

i. With ONAN cooling oC

ii. With ONAF cooling oC

iii. Period of operation of transformer at full load without calculated winding hot spot temperature exceeding 140oC and when

50% coolers fail

100% coolers fail [Refer Cl. No. 1.2.0.1]

12 No. of windings

13 Connections HV

14 Connection Symbol and vector group

i. Type of tap changer

ii. Tap step (percent)

iii. Total tap range (+) percent to (-) percent

iv. Tappings provided at

v. Type of regulation :

Constant flux regulation

Variable flux regulation

Combined regulation

vi)Insulation level of tap changer

16(A) Magnetization data at no load, at rated frequency

i. Current in Amps

ii. Power factor

iii. Loss in KW (core loss + dielectric loss)

iv. Max. flux density in lines/sq.cm.

a At 90% rated no load voltage

b At 100% rated no load voltage

c At 110% rated no load voltage

d At maximum rated primary voltage (i.e. 105% rated no load voltage)

16(B) i) No-load loss at rated frequency at Principal Tap (KW) 0

ii) No-Load loss at voltage corresponding to the Highest Tap (KW)

17 Load loss including cooler loss, at rated output, at rated frequency, at rated current at 75 oC winding temperature At Lowest Tap At Principal Tap At Highest Tap

i(a) For ONAN rating CuL in KW 0

ii(a). For ONAF rating CuL in KW

iii(a).For ONAF rating CL in KW

NOTE : 1. CuL : Copper loss 2. CL : Cooler loss 3. The losses to be declared/quoted by the Bidder shall be within the losses specified in Section IV of Section 3(A) Transformers of Technical Specifications. Refer clause 1.2.08.03 of Section II of Section 3(A) Transformers of Technical Specifications for details of losses to be considered for Evaluation, Penalty leviable for excess losses quoted and acceptance/rejection of Transformer. Guaranteed values of the losses shall be indicated which shall be firm & without indicating the tolerance limit

18 Impedance at rated current and frequency at 75oC winding temperature on rated MVA base. HV to LV

i. At normal tap in %

ii. At max. voltage tap in %

iii. At min. voltage tap in %

19 Reactance at rated current and frequency and normal tap on rated MVA base:

HV to LV - in %

20 Zero sequence impedance at reference temperature of 75oC at principal tap ………in %

21 Resistance at 75 oC

HV winding in Ohms in %

LV winding in Ohms in %

22 Efficiency at 75oC winding temperature as derived from guaranteed. loss figures At Unity p.f At 0.8 p.f

a. At 125% full load

b. At 100% full load

c. At 75% full load

d. At 50% full load

23 a. Maximum efficiency ………in %

b. Load at which maximum efficiency occurs (% of full load)

24 Regulation at full load and at 75oC

a. At unity p.f. in %

b. At 0.8 p.f. (lag) in %

25 a. Short time thermal rating of LV winding in KA & duration in seconds.

b. Short time thermal rating of HV winding in KA & duration in seconds.

26 Permissible overloading - HV

27 Test voltages HV LV

i. Lighting impulse withstand kV (peak)

ii. Power frequency voltage withstand kV (ms)

iii. Switching impulse withstand kV (peak)

28 Partial discharge level at 1.5Um / √3 kVrms (pC)

29 RIV at 1.1 times minimum phase to ground voltage

31 Noise level when energized at normal voltage and normal frequency at no load (db)

32 External short circuit withstand capacity (MVA) & duration (seconds)

33 Over flux withstand capability of the transformer :

34 Insulating and cooling medium

35 Approximate weights

a. Core with clamping (Kg)

b. Winding with insulation (Kg)

c. Core & Winding (Kg)

d. Tank & Fittings with accessories (Kg)

e. Oil required for first filling (Kg)

f. Untanking weight (Kg)

g. Total weight with oil weight & fitting (Kg)

h. Weight of total insulation (Kg)

36 Required quantity of oil in litres

37 Terminal arrangement

ADDITIONAL TECHNICAL PARTICULARS:

1 Details of Core (along with Tolerance if any):

a. Type of core configuration

b. Type of core joints

c. Flux density at 90% of rated voltage and frequency at Principal Tap Tesla :

d. Flux density at 110% of rated voltage and frequency at Principal Tap Tesla :

e. (i) Material of core lamination

(ii) Thickness of core lamination

f. Approximate core weight (please indicate core weight only)

g. Type of Joints used between core limb and yoke

2 Details of Windings:

a. Conductor area in sq.cm and current density in Amps/Sq.cm (at rated current). Current density A/sq. cm Conductor area sq.cm

b. Material of winding conductor

c. Approximate weight of winding (along with tolerance if any)in kgs

d. Type of windings

e. Winding insulation Type and class Graded or ungraded

f. i. Insulating material used for :

1. Regulating winding

3. HV TAP WINDING

ii. Between HV and TAP WDG and LV as applicable

iii. Between core & LV side.

iv. For core bolts, washers and end plates

v. Regulating winding & earth.

g. i. Type of axial coil support

ii. Type of Radial coil support :

h. Core bolt insulation voltage

i. Details of special arrangement provided to improve surge voltage distribution in the windings

j. Approximate weight of winding (Kgs) (Tolerance if any on the above)

k. Minimum clearance (mm) In oil In Air

Between Phases Phase to ground Between Phases Phase to ground

3 Details of Tank :

a. Material for Transformer Tank

b. Type of the tank

c. Minimum thickness of sheet

ii. Bottom (mm)

iii. Cover (mm)

iv. Cooling tubes/Radiators (mm)

d. Vacuum recommended for hot oil circulation (torr)

e. Vacuum to be maintained during oil filling in transformer tank (torr)

f. Vacuum to which the tank can be subjected without distortion (torr)

Transverse Axis Longitudinal Axis

g. No. & size of bi-directional wheels provided.

h. (i) Track gauge required for the wheels-longitudinal axis & transverse axis

(ii) Size of rail recommended for the track

4 Details of painting at works and site

5 (a) Minimum clear height for lifting tank cover and for lifting core & windings from tank (mm) (untanking height).

(b) Minimum clear height for lifting (mm)

II. Bushings - HV

6 Shipping details :

i. Parts detached for transport

ii. Weight of heaviest package in Kgs

iii. Weight of other heavy packages in Kgs

iv. Dimensions of largest package

a. Length in mm

b. Breadth in mm

c. Height in mm

v. Dimensions of other heavy packages:

a. Length in mm

b. Breadth in mm

c. Height in mm

vi. Transformer will be transported with oil / gas

7 Details of Bushings HV LV

b. Rated voltage class - KV

c. Rated current - Amps

d. One minute dry withstand power frequency voltage - kV (ms)

e. One minute wet withstand power frequency voltage - kV (ms)

f. (i) 1.2 / 50 micro sec. Lighting impulse withstand voltage - kV (Peak)

(ii) Switching surge withstand test voltage kV (peak)

g. (a) Creepage Distance in air

(b) Creepage Distance (protected)

h. Quantity of oil in bushing and specification of oil used (Kgs)

i. Whether test tap is provided

j. Weight of assembled bushing

k. Phase to earth clearance in air of live parts at the top of bushing.

l. Minimum clearance (mm) In Air

Between phases Phase to ground

m. Partial discharge level

8 Cooling system

a. Grade of oil

b. Total weight of oil in radiator in Kgs/litres

c. Total weight of radiator without oil in Kgs.

d. Total radiating surface in square meters

e. Method of drying out transformer at site

f. Type and make of material used for the radiators with size.

g. Type of radiator

h. Total number of Radiators/Banks for transformer and over all dimensions (LxBxH)

i. Rating of Transformer with one radiator bank out of service.

j. Total weight of radiators in Kgs

k. Type of mounting

l. Vacuum withstand capability

9 Cooling equipment Fan Motor Pump Motor

a. Make and Type (Details)

b. Number of connected units (nos.)

c. Number of standby units (nos.)

d. Rated Power (KW)

e. BHP of driven equipment

f. Capacity (cu m/min) or (Litres/Minute)

g. Rated voltage (Volts)

h. Locked rotor current (Amps)

i. Temperature range for which control is adjustable

j. Efficiency of motor at full load (percent)

k. Temp. rise of motor at full load (oC)

l. Whether the fan and/or pumps suitable for continuous operation at 85% of their rated voltage

m. Estimated time constant in hours for

i. Natural cooling

ii. Forced air cooling

10 On Load Tap Changing gear (should be SCADA Compatible)

c. Power flow (uni-directional or bi-directional or restricted bi-directional)

d. Rated voltage to Earth kV

e. Rated maximum current Amps

f. Step voltage V.

g. Number of steps

h. Control : Manual / Auto / Local/Remote/Independent / Parallel.

i. Auxiliary supply details

j. Voltage control (whether automatic or manual)

k. Line drop compensation Provided / Not provided.

l. Protective devices

m. Time for complete tap change (one step) sec.

n. Divertor selector switch Transient time - Cycles.

o. Value of maximum short circuit current Amps.

p. Maximum impulse withstand test voltage with 1.2/50 micro seconds full wave between switch assembly and earth (kV peak)

q. Maximum power frequency test voltage between switch assembly and earth - kV rms.

r. Maximum impulse withstand test voltage with 1.2/50 micro seconds across the tapping range (kV peak).

s. Approximate over all dimensions of Tap changer mm

t. Approximate over all weight Kgs.

u. Approximate over all quantity of oil-ltrs/Kgs.

v. Particulars of the OLTC control panel for installation in the control room.

w. OLTC Routine test shall be conducted on each Transformers.

i) Mechanical Endurance Test (Min. 1000 operations)

ii) Sequence Test

iii) Pressure Test

iv) Vacuum (Helium) Test

v) Auxiliary Circuit Insulation test

x. OLTC Drive Mechanism Box: Make & Type

11 Over all dimensions of transformer including cooling gear, tap changing gear etc.

d. Reference drawing No.

12 Whether oil temperature indicator provided (Yes/No).

13 (a) Type of oil level indicator

(b) whether supervisory alarm contact for low oil level provided (Yes/No)

14 Type and size of Gas operated relay and whether supervisory alarm and trip contacts provided and their size and Nos.

15 Temperature indicators Oil Temp. indicator Winding temp. indicator

a. Make and Type

b. Permissible setting ranges for alarm & trip.

c. No. of contact

d. Current rating of each contact

e. Whether remote indicator provided, if, so, whether equipment required at purchaser's control room is included.

f. Size and No.

16 Ratio and Type of CT used for winding temperature

17 Type and size of Thermostat used

For Tr. Tank OLTC

18 No. of Breathers provided (No.)

19 Type of dehydrating agent used for breathers

20 a. Capacity of conservator vessel litres

b. Volume between the highest and lowest visible oil level (litres)

21 Valve sizes and number required/ fitted

i. Drain valves - mm - No.

ii. Filter valves - mm - No.

iii. Sampling valves - mm - No.

22 a. Type and make of pressure relief device

b. No. of each type of devices per transformer unit (Nos.)

c. Minimum pressure at which the device operates (Kpa)

23 Lifting jacks

a. Governing standard

b. No. of jacks in one set

d. Capacity (tonnes)

g.Height in closed position (mm)

h.Mean diameter of thread (mm)

24 Characteristics of Insulating oil to be used

Viscosity at 40 ºC in mm²/s

Viscosity at -30 ºC in mm²/s

Pour point in ºC

Water content in mg/kg

Breakdown voltage in kV

Density at 20 ºC in g/ml

Particle content

2 – Refining/stability

Acidity in mg KOH/g

Interfacial tension in mN/m

Total sulphur content

Corrosive sulphur

Potentially corrosive sulphur

Inhibitors of IEC 60666 in %

Metal passivator additives of IEC 60666 in mg/kg

Other additives

2- Furfural and related compounds content in mg/kg

3 - Performance

Oxidation stability for uninhibited oil – 164 hrs

Total acidity in mg KOH/g

Gassing tendency

4 – Health, safety and environment (HSE)

Flash point in ºC

PCA content in %

PCB content in mg/kg

5 – Carbon Composition FTIR method

6. Details of oil preserving equipment offered.

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

GURANTAEED TECHNICAL PARTICULARS FOR CIRCUIT BREAKERS

(Bidder is to indicate technical data for each type of rating)

Circuit Breaker Rating

a. Name of the Manufacturer

b. Country of Manufacture

c. Type of Circuit Breaker

d. Manufacturer's type designation

e. Standard Applicable

f. Rated Voltage (kV ms)

g. Rated Current :

i. Under normal condition (A)

ii. Under site conditions (A)

h. Rated frequency (Hz)

i. Number of poles

j. Whether 3 pole or single pole unit

k. Whether all the 3 poles ganged electrically or mechanically

l. Whether dead tank or live tank design

m. Type of installation

n. No.of breakers per pole

o. Latching Current (kA)

2 Guaranteed Ratings

a. Rated short circuit breaking current

i. Symmetrical component at highest system voltage (kA)

ii. DC Component (%)

iii. Asymmetrical breaking current at highest system voltage (kA)

b. Rated Making Capacity

i. At higher rated voltage (kAp)

ii. At lower rated voltage (kAp)

c. i. Maximum Total break time under any duty condition for any current up to rated breaking current with limiting conditions of voltage and pressure (ms)

ii. Rated break time

d. Closing time (ms)

e. Minimum opening time under any condition with limiting voltage and pressure (ms)

f. Maximum opening time under any condition with limiting voltage and pressure (ms)

g. Maximum close open time under any condition with limiting voltage and pressure (ms)

h. First pole to clear factor

i. Short time current rating (kA) for 1 Sec.

j. Rated operating duty

k. Maximum breaking capacity under kilometric faults and rated TRV characteristic (kAp)

l. Maximum breaking capacity under phase opposition (kAp)

m. Maximum line charging breaking current with temporary over voltage up to 1.4 p.u. (A)

n. Maximum over voltage (p.u.) on switching transformer on no load and corresponding charging current

o. Maximum period between closing of first contact & last contact in a pole (ms)

p. Maximum pole discrepancy (ms)

q. Maximum arc duration and corresponding current under lockout pressure.

r. Small fault current breaking capacity (kAp)

s. Pre-insertion resistor (if applicable)

i.) Value / pole (Ohms) with tolerance

ii.) Minimum and Maximum duration of insertion per pole (ms)

iii.) Thermal rating for the c-1m-o-co-2m-c-1m-o-co for terminal fault considering maximum resistance and time setting.

iv.) Thermal rating for the same duty as (iii) above for reclosing against trapped charges.

t. Maximum temperature rise for main contacts over design ambient temperature of 50oC

u. Rated voltage & pick up range for trip coil (V)

v. Rated voltage & pick up range for closing coil (V)

w. Rated pressure and limits of pressure of operating mechanism

x. Rated pressure and limits of pressure of extinguishing medium

y. Minimum dead time for

i. Three phase reclosing (ms)

ii. Single phase reclosing (ms)

3 Dielectric withstand of complete breaker

a. One minute dry & wet power frequency withstand voltage

i. Between live terminal and ground (kV rms)

ii. Between terminals with breaker contacts open (kV ms)

b. 1.2/50 micro impulse withstand test voltage

i. Between live terminals and ground (kVp)

ii. Between terminals with breaker contacts open (kVp)

c. Corona extinction voltage (kV rms)

d. Maximum radio interference voltage (micro V) at 1.1 Ur/v3

e. Total creepage distance

i. To ground (mm)

ii. Between terminals (mm)

4 Operating Mechanism

a. Type of operating mechanism for

b. Manufacturer's type designation

c. Normal power consumption (W) at rated voltage

ii. Closing coil

4.1 Pneumatic operating mechanism

a. Rated operating pressure (kg/sq.cm)

b. Range of pressure for (kg/sq.cm)

c. Air Consumption at rated pressure for

i. Closing (m3)

ii. Opening (m3)

iii. Close-open (m3)

d. Pressure drop/meter length of piping

e. Number and Capacity (m3) of breaker local air storage receivers

f. No. of close operations for which sufficient air is available in local receiver

g. Capacity of compressor (m3xhr) and working pressure (kg/cm2)

h. Maximum time for which compressor can operate continuously (min)

i. Time to fill

i. Air receiver after one CO operation (min)

ii. For making up of losses occuring in 4 hours (min)

j. Pressure at which compressor

i. Stars (kg/cm2)

ii. Stops (kg/cm2)

k. Material of compressed air piping

l. Inner & outer dia of main piping (mm)

m. Whether interpole piping included in scope of supply

n. Manufacturer's name for

ii. Air receiver

iii. Pressure reducer

iv. Stop valves

v. Drain valves

o. Safety valve

i. Low pressure stage blow off at (kg/cm2)

ii. Intermediate stage blow off at (kg/cm2)

iii. High pressure stage blow off at (kg/cm2)

p. Safety valve opens at (kg/cm2)

q. No.of stored CO operation in breaker air receiver

r. Alarm switch closes on air receiver at (kg/cm2)

s. Lockout pressure (kg/cm2)

iii. Auto reclose

4.2 Hydraulic operating mechanism

a. Rated pressure of oil in operating cylinder (Kg/cm2)

b. Limits for pressure (Kg/cm2)

c. Quantity of oil (liter)

d. Details of arrangements to prevent change of position of breaker in the event of loss of hydraulic pressure.

e. Details of monitoring arrangement for hydraulic pressure.

f. No. of close -open operations possible after loss of AC supply to drive motor.

g. Details of hand pump set provided for emergency operation.

h. Pressure drop starting from lowest pressure at which motor starts for

i. C - operation

ii. O - operation

iii. CO - operation

iv. O - CO - operation

v. 2 - CO - operation

i. Time required to make up pressure upto loss of nitrogen pressure after

i. C - operation

ii. O - operation

iii. CO - operation

iv. O - CO - operation

v. 2 - CO - operation

4.3 Spring charged mechanism

a. Number of close open operations possible after failure of AC supply to motor.

b. Time required for motor to charge the closing spring (min).

c. Whether indication of spring charged condition provided in central control cabinet.

5 Type of Breakers

5.1 SF6 Circuit Breakers :

a. Quantity of SF6 per pole (m3) at rated pressure.

b. Guaranteed maximum leakage rate per year.

c. Rated pressure of SF6 in operating chamber (kg/cm2).

d. Limits of pressure at which breaker operate correctly (kg/cm2)

e. Standard to which SF6 gas complies.

f. Whether 20% spare SF6 gas. Stored in unused gas cylinders, included in proposal.

g. Capacity & filling ratio of containers in which SF6 gas would be shipped (m3) and the corresponding pressure (kg/cm2)

h. Whether breakers are dispatched filled with SF6 or required to be filled at site.

i. Type and make of SF6 pipe coupling used.

j. Type and make of mandatory maintenance equipment.

i. SF6 gas filling and evacuation trolley (portable)

ii. SF6 gas drying, filling, evacuating equipment and its capacity.

iii. Operating analyzer Type and make

iv. SF6 gas leak detector

k. Parameters of SF6 gas for initial filling and satisfactory operation.

ii. Dielectric strength kV/mm

iii. Acidity (ppm)

iv. Water content (ppm)

v. Oil content (ppm)

vi. Condensation temperature (oC)

vii. Resistivity (Ohm-cm)

l. Whether details of SF6 gas viz test methods, handling etc. enclosed.

m. Type and material of gasket used to ensure gas tight joints for

i. Metal to metal joints

ii. Metal to porcelain joints

n. Method of housing SF6 gas compressors and equipment

i. At Circuit Breaker

ii. In control cubicle

o. Type and make of

ii. Pressure gauge

p. Densimeter Settings

q. Minimum time interval between each make/break operation (ms)

a. Whether OGA drawing enclosed

b. Weight of complete 3 phase breaker for foundation design (kg)

c. Weight of heaviest part of breaker (kg)

d. Impact loading for foundation design

e. Seismic level for which breaker is designed

f. Minimum safety clearance from earthed objects

g. Noise level in (dB) at base of the breaker

h. Minimum clearance in air

i. Between live parts (mm)

ii. Live parts to earth (mm)

iii. Live parts to ground level (mm)

6 Constructional Details

a. Whether arcing contacts provided

b. Type and material of main contacts and arcing contacts

c. Contact pressure on main contacts (kg/cm2)

d. Contact separation in arcing position (mm)

e. Contact separation in open position (mm)

i. Main contacts

ii. PIR contacts

f. Whether pressure relief device for each of the gas chamber of SF6 CB provided

g. Rate of contact travel.

i. Opening (m/sec)

ii. Closing (m/sec)

h. Whether the making & breaking contacts are hermetically sealed

i. Type and capacity of device used to obtain uniform voltage distribution between breaks

j. Over voltage withstand capability of grading components (kV rms)

k. Number of auxiliary contacts per pole provided for Owner's use

l. Rated voltage of auxiliary contacts (V)

m. Current rating of auxiliary contacts

i. Continuous (A)

ii. DC breaking with 20 ms time constant (A)

n. Whether auxiliary contacts silver plated

o. Whether support structure included in supply

p. Height of support structure

q. Material of support structure

r. Standard to which the design of support structure conform

s. Whether foundation bolts for breakers and cabinets included in scope of supply

7 Detailed Literature

a. Whether the following are enclosed.

i. Type test reports as per IEC-56

ii. Factory test report and/or filed test report incase of reactor switching duty

iii. Details of operating mechanism

iv. Drawing of breaker of support structure.

v. Calculations for compressed air plant sizing

vi. Details of SF6 gas filling, evacuating and testing plant

vii. Details of SF6 gas leak detector

viii. Precautions in use of SF6 gas

ix. Leaflets & literature bringing out salient features of equipment offered.

x. Schematic diagrams of switching mechanism for closing resistor showing the duration of insertion along with calculation for thermal rating of closing resistors.

xi. Whether drawings showing contacts in close, arc initiation, full arcing, arc extinction and open position enclosed

xii. Method of checking of Voltage distribution devices at site enclosed

xiii. Details along with a complete catalogue of operation analyzer enclosed

xiv. Data on capabilities of circuit breaker in terms of time and number of operations at duties ranging from 100% fault currents to load currents of the lowest possible value without requiring any maintenance or checks.

xv. Effects of non simultaniety between contacts within a pole or between poles and also show how it is covered in the guaranteed rated break time

xvi. Details and type of filters used in interruptor assembly and also the operating experience with such filters

xvii. Curves supported by test data indicating the opening time under close open operation with combined variation of trip coil voltage and pneumatic/hydraulic pressure.

xviii. All duty requirements specified along with adequate test reports.

CIRCUIT BREAKER - CONTROL CABINETS :

1 Manufacturer's Name

2 Indoor/Outdoor application

3 Design ambient air temperature (oC)

4 Standards applicable

5 Thickness of sheet steel (mm) and whether cold rolled or hot rolled

6 Degree of protection provided

7 Bill of material for all the equipment mounted on control cabinet giving the following details:

a. Make and type

b. Applicable Standard

c. Voltage rating

d. Current rating

e. Duty class. If applicable

f. Manufacturer's catalogue No.

g. Total heat load of cabinet (for purpose of ventilation requirement)

8 Colour of finish paint IS : 5

9 Control Wiring

a. Size of conductor

i. For CT circuits

ii. For other circuits

b. Conductor Solid/Stranded

c. Number of Strands/conductor

10 Terminal Blocks

b. Current rating

i. Power terminals (A)

ii. Other terminals (A)

11 Space Heater Rating at 240 V AC

12 Control cabinet drawing showing the following:

a. Outline dimensions, floor opening, floor/ wall/ pedestal fixing arrangements, weights etc.

b. Front view, inside view showing the mounting arrangement of various equipment.

13 Schematic/wiring diagram of control cabinet enclosed

14 Interconnection drawing showing cable, connections to the control cabinet enclosed

15 Type test report to verify degree of protection enclosed

16 Details of terminal rows:

i. Whether arranged vartical or horizontal

ii. Clearance from adjacent components.

iii. Distance between rows.

iv. Whether transparent protection cover provided.

CIRCUIT BREAKERS - TERMINAL CLAMPS AND CONNECTORS

1 Manufacturer's Name

2 Applicable Standards

4 Material of connector

b. Bolts & Nuts

c. Spring Washers

5 Rated Current

6 a. Rated terminal load (kg)

b. Factory of Safety

7 Minimum thickness of any part (mm)

8 Weight of clamp complete with hardware (kg)

9 Type test reports as per IS enclosed

10 OGA drawing enclosed.

CIRCUIT BREAKERS - BUSHING/SUPPORT INSULATOR :

1 Manufacturer's Name

3 Applicable Standards

ii. Diameter (Top)

iii. Diameter (Bottom)

5 Total creepage distance (mm)

6 Rated voltage (kV)

7 Power frequency withstand voltage for 1 minute (kVrms) dry and wet

8 1.2/50 micro sec. impulse withstand voltage (kVp)

9 250/2500 micro sec. switching impulse withstand voltage (kV p) dry and wet

10 Corona Extinction voltage (k V)

12 Maximum allowable span (mm)

13 Cantilever Strength (kg)

14 OGA drawing enclosed.

1 Manufacturer's Name & address

2 Equipment driven by motor

4 Country of origin

7 Type of enclosure and method of cooling

8 Applicable standard to which motor generally conforms

9 Type of mounting

10 Direction of rotation as viewed from non-driving end

11 Standard continuous rating at 40 deg. C ambient temperature as per Indian Standard (KW)

12 Derated rating for specified Normal condition ie., 50 deg. C ambient temperature (KW)

13 Rated Voltage (V)

14 Rated speed at rated voltage and frequency(rpm)

15 Full load current at rated voltage and frequency (A)

16 Power factor at rated load

17 Efficiency of motor at rated voltage and frequency (with out any tolerance) at

i. Density duty point(%)

ii. 100% of full load (%)

18 Starting current (Amps) at

i. 100% Voltage

ii. 85% Voltage

a) Starting (Kg-Metre)

b) Pull up (Kg-Metre)

c) Pull Out(Kg-Metre)

20 Stator winding Insulation

i) Class & type

ii) Tropicalised

iii) Temperature rise over specified ambient of 50 deg. C ( deg. C)

iv) Method of temperature measurement

21 Stator winding connector

22 Number of star terminals brought out

23 Type of terminal box for stator leads

24 Bearing type

ii. Non Driving End

25 Type of Construction of Rotor

26 Weight of Motor

i. Stator (Kg.)

ii. Rotor (Kg.)

iii. Total Weight (Kg.)

27 Type Test Report Enclosed

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

ISOLATORS AND TERMINAL CONNECTORS

(Bidder to indicate technical data for each type of rating separately)

Isolators and Terminal connectors ratings 220KV 110KV 66KV 33KV 11KV

a. Name of the Manufacturer

b. Country of Manufacture

c. Manufacturer's type designation

d. Standard applicable for isolators and earthing switches

e. Rated Voltage Ur (kV)

f. Rated Current Under site conditions (A) at 50oC ambient

g. Rated frequency (Hz)

h. Number of poles

i. Whether all 3 poles are ganged mechanically

j. Pole to pole spacing

k. Type of installation

2 Guaranteed Ratings

a. Rated short time current of isolator for Is (kA) and dynamic current (kAp)

b. Opening time of isolator and earth switch (s)

c. Closing time of isolator and earth switch (s)

d. Temperature rise over 50oC ambient temperature corresponding to maximum continuous current (oC)

3 Dielectric withstand capacity of completely assembled isolator/isolator and earth switch

a. One minute dry power freq. Withstand test voltage (kV ms)

i. Against ground (kV rms)

ii. Across isolating distance (kV rms)

b. 1.2/50 micros a impulse withstand test voltage

i. Against ground (kVp)

ii. Across isolating distance (k Vp)

c. 250/2500 micros switching surge withstand test voltage (dry & wet)

i. Against ground (kVp)

ii. Across isolating distance (kVp)

d. Corona extinction voltage (k V rms)

e. Radio interference level at 1.1 Ur/ /3 (in micro volts) at 1.0 MHz

f. Total creepage distance to ground (mm)

4 Operating Mechanism

A. For Main Blades

a. Type of motor operating / manually driven mechanism

b. Manufacturer's Type / designation

c. Rated torque of the mechanism

d. Type and rating of motor

B. For Earth Switches

a. Type of motor operating / manually driven mechanism

b. Manufacturer's type designation

c. Rate troque of the mechanism

d. Type and rating of motor

4.1 Interlocks:

a. Whether mechanical/constructional interlock between isolator and earth switch provided.

b. Details of electrical interlock enclosed for

ii. Earth Switch

c. Arrangement provided to prevent electrical or manual operation unless interlock conditions are satisfied whether interlock coil is continuously rated

d. Rated DC control voltage and variation allowed

e. Power consumption (W)

a. Rated DC control voltage (V)

b. Limits of voltage

c. Power consumption of control coils (W)

5 Constructional Features

a. Minimum clearance in air

i. Between phases (mm)

ii. Between live parts to earth (mm)

iii. Distance between terminals of same phase (mm)

b. Whether position of earth switch can be interchanged at site to either side of pole

c. Minimum clearance between live part and earth switch blade throughout the entire operational are of earth switch (mm)

d. Terminal pad details

i. Diameter & length

ii. Material of pad

e. Insulator data

iii. No. of insulator stacks / phase

iv. No. of insulators/stack

f. Main Contracts

i. Type of contacts

ii. Contract area (cm2)

iii. Material of contacts

iv. Contact pressure (kg / cm2)

v. Maximum current density under normal current carrying capacity (A/cm2)

vi. Thickness of silver plating

g. Number of auxiliary contacts on isolator/pole for owner's use

h. Number of auxiliary contacts on earth switch pole for Owner's use

i. Auxiliary contacts

i. Rated voltage (V)

ii. Rated Continuous current (A)

iii. Rated Dc breaking current with 20 ms time constant (A)

j. Mounting dimenstions of isolators

i. Distance between supports

ii. Top dimensions of support

k. Height from mounting plane to top of terminal stud

l. Whether cable glands required included in the scope for inter pole cabling to be done by the Owner.

Whether the following are enclosed :

a. Type test reports as per IEC 129

b. OGA drawings for isolator with & without earth switches

c. Operation manual for isolators

d. Details of motor operating / manually driven mechanism

e. Recommended drawing for mounting details for isolator and drives.

f. Leaflets & literature bringing out salient features of equipment offered.

g. Details of constructional interlock

CONTROL CABINETS

1 Manufacturer's Name

2 Indoor / Outdoor application

3 Design ambient air temperature (oC)

4 Standards applicable

5 Thickness of sheet steel (mm) and whether cold rolled or hot rolled

6 Degree of protection provided

7 Bill of material for all the equipment mounted on control cabinet giving the following details :

a. Make and Type

b. Applicable Standard

c. Voltage rating

d. Current rating

e. Duty class, if applicable

f. Manufacturer's catalogue No.

g. Total heat load of cabinet (for purpose of ventilation requirement)

8 Colour of finish paint IS : 5

9 Control Wiring

a. Size of conductor

i. For CT circuits

ii. For other circuits

b. Conductor Solid / Stranded

c. Number of Stranded/conductor

10 Terminal Blocks

b. Current rating

i. Power terminals (A)

ii. Other terminals (A)

11 Space Heater Rating at 240 V DC

12 Control cabinet drawing showing the following

a. Outline dimensions, floor opening, floor/wall/pedestal fixing arrangements weights etc.,

c. Front view, inside view showing the mounting arrangement of various equipment

13 Schematic / wiring diagram of control cabinet enclosed

14 Interconnection drawing showing Owner's external cable, connections to the control cabinet enclosed Isolators & Terminal Connectors

15 Type test report to verify degree of protection enclosed.

16 Details of terminal rows

i. Whether arranged vertical or horizontal

ii. Clearance from adjacent components

iii. Distance between rows

iv. Whether transparent protection cover provided.

16 TERMINAL CLAMPS AND CONNECTORS

1. Manufacturer's Name

2. Applicable Standards

4. Material of connector

b. Bolts & Nuts

c. Spring washers

5. Rated Current

6. a. Rated terminal load (kg)

b. Factor of safety

7. Minimum thickness of any part (mm)

8. Weight of clamp complete with hardware (kg)

9. Type test reports as per IS enclosed.

10. OGA drawing enclosed

BUSHING / SUPPORT INSULATOR

1 Manufacturer's Name

2 Type test report to verify degree of protection enclosed.

3 Applicable Standards

i. Diameter (Top)

ii. Diameter (Bottom)

5 Total Creepage distance (mm)

6 Rated voltage (kV)

7 Power frequency withstand voltage for 1 min. (k V rms) dry and wet

8 1.2/50 micro sec. Impulse withstand voltage (kVp)

9 250/2500 micro sec. Switching impulse withstand voltage (kVp) dry and wet

10 Corona Extinction voltage (k V)

12 Max. allowable span (mm)

13 Cantilever Strengthh (kg)

14 OGA drawing enclosed

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

GUARANTEED TECHNICAL PARTICULARS FOR CURRENT TRANSFORMERS

(Bidder should indicate the guaranteed technical data of all equipments/materials for each type of rating separately)

Voltage Class and ratio of CT

Sl.No. PARTICULARS

1 Name of the manufacturer

2 Country of origin

3 Standard Governing specification

5 Manufacturer's type designation

6 a. Nominal system voltage KV

b. Highest system voltage KV

7 a, Rated primary current

b. Rated secondary current Amp

c. Rated transformation ratio Amp

8 Rated Secondary terminal Voltage at

i. Rated Current

ii. 10 Times the rated current

iii. 20 Times the rated current

9 Ratio of current Transformer

10 Number of Cores

11 Details of Core

i. Rated Burden

ii. Accuracy Class

iii. Accuracy limit factor

iv. Instrument Security factor

v. Knee point voltage at

vi. Secondary winding

resistance (Ret. In Ohms)

vii. Magnetising current at Vk/4

i. Rated Burden

ii. Accuracy Class

iii. Accuracy limit factor

iv. Instrument Security factor

v. Knee point voltage at

vi. Secondary winding

resistance (Ret. In Ohms)

vii. Magnetising current at Vk/4

i. Rated Burden

ii. Accuracy Class

iii. Accuracy limit factor

iv. Instrument Security factor

v. Knee point voltage at

vi. Secondary winding

resistance (Ret. In Ohms)

vii. Magnetising current at Vk/4

i. Rated Burden

ii. Accuracy Class

iii. Accuracy limit factor

iv. Instrument Security factor

v. Knee point voltage at

vi. Secondary winding

resistance (Ret. In Ohms)

vii. Magnetising current at Vk/4

i. Rated Burden

ii. Accuracy Class

iii. Accuracy limit factor

iv. Instrument Security factor

v. Knee point voltage at

vi. Secondary winding

resistance (Ret. In Ohms)

vii. Magnetising current at Vk/4

12 Current error at rated primary current

13 Phase displacement at rated primary current

14 Composite error at rated accuracy limit primary current in %

15 Rated short time current and duration

a. Thermal ( I th) KA (rms) for 1 sec KA

b. Dynamic (I dyn) (peak)

16 Temperature rise of the windings (by resistance method) over an ambient temperature of 45oC

a)At rated current Deg C

b)At 100% overload for 5 minutes Deg C

17 Partial discharge level

18 Particulars of windings

a. Primary winding :

ii. No.of turns

iii.Current density at rated current Amp / Sq.mm

iv. Size of conductor

v. class of insulation

b. Secondary winding

ii. No. of turns

iii.Current density at rated current Amp / Sq.mm

iv. Size of conductor

v. Class of insulation

vi. Resistance computed to 75 deg C Ohm

vii. Insulating material used

c. Rated insulation levels :

i. One minute power withstand voltage KV (rms)

ii. Intersection withstand voltage of primary windings KV (rms)

iii. Impulse withstand voltage KV (rms)

19 Particulars of core :

ii. Flux density :

a. At rated primary current Tesla

b. At 15 times rated primary current Tesla

iii. Thickness of steel lamination mm

iv. Whether CRGO steel stampings are used?

v. Watt loss/Kg. of steel

vi. Knee point e.m.f

20 Particulars of porcelain housing / bushing

i. Specification to which it confirms

ii. Name of manufacturer

iii. Power frequency withstand voltage for one minute

a. Dry KV (rms)

b. Wet KV (rms)

iv. Dry lightning impulse withstand voltage 1.2/50 micro sec. Wave shape KV (rms)

v. Visible power frequency discharge voltage KV (rms)

vi. Creepage distance in air

a. Protected mm

vii. Weight of porcelain housing / bushing kgs

21 Overall dimensions :

i. Total weight of copper used

a. Primary winding kg

b. Secondary winding kg

ii. Weight of core kg

iii. a. Quantity of insulating oil liters

b. Weight of insulating oil kgs

iv. Total weight kgs

23 Particulars of terminal connector

i. Name of the manufacturer

ii. Rated current Amps

iii. Temperature rise above an ambient of 45 deg.c

a. At rated current Deg C

b. At 150% of rated current for 15 min Deg C

CONTROL CABINET :

1 Manufacturer's Name

3 Design ambient air temperature (oC)

4 Standards applicable

5 Thickness of sheet steel (mm) and whether cold rolled or hot rolled

6 Degree of protection provided

7 Bill of material for all the equipment mounted on control cabinet giving the following details

b. Applicable Standard

c. Voltage rating

d. Current rating

e. Duty class, if catalogue No.

f. Manufacturer's catalogue No.

g. Total heat load of cabinet (For purpose of ventilation requirement)

8 Colour of finish paint IS : 5

9 Control Wiring

a. Size Conductor

i. For CT circuits

ii. For other circuits

b. Conductor Solid Stranded

c. Number of Strands / conductor

10 Terminal Blocks

b. Current terminals (A)

i. Power terminals (A)

ii. Other terminals (A)

11 Space Heater Rating at 240 VAC

12 Control cabinet drawing showing the following

a. Outline dimensions, floor openings, Floor/wall/pedestal fixing arrangements, Weights etc.

b. Front view, inside view showing the Mounting arrangement of various Equipment.

13 Schematic / wring diagram of control Cabinet enclosed

14 Interconnection drawing showing cable, Connections to the control cabinet enclosed.

15 Type test report to verify degree of Protection enclosed

16 Details of terminal rows

i. Whether arranged vertical or horizontal

ii. Clearance from adjacent components

iii. Distance between rows

iv. Whether transparent protection cover provided

SUPPORT INSULATOR

1 Manufacturer's Name

3 Applicable Standards

ii. Diameter (Top)

iii. Diameter (Bottom)

5 Total creepage distance (mm)

6 Rated voltage (KV)

7 Power frequency withstand voltage for 1 min (KV rms) dry and wet

8 1.2/50 micro sec. Impulse withstand voltage (KVP)

9 250/2500 micro sec. Switching impulse

10 Corona Extinction voltage (KV)

12 Max. allowable span (mm)

13 Cantilever Strength (Kg)

14 OGA drawing enclosed

TERMINAL CLAMPS AND CONNECTORS

1 Manufacturer's Name

2 Applicable Standards

4 Material of connector

b. Bolts & Nuts

c. Spring washers

5 Rated Current

6 a. Rated terminal load (Kg)

b. Factor of safety

7 Minimum thickness of any part (mm)

8 Weight clamp complete with hardware (Kg)

9 Type test report as per IS enclosed

10 OGA drawing enclosed

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

GAURANTEED TECHNICAL PARTICULARS FOR VOLTAGE TRANSFORMERS (COMMON TO 110 KV. 66 KV AND 33 KV CLASS)

(Bidder should indicate the guaranteed technical data of all equipments / materials for each type of rating separately)

Class of Voltage Transformers 110KV 66KV 33KV

2 Manufacturer's type and designation

3 Rated primary voltage

4 No.of secondary winding

5 Rated secondary voltage

i. Winding No.I

ii. Winding No. II

iii. Winding No. III

i. Winding No.I

ii. Winding No.II

iii. Winding No.III

7 Accuracy Class

i. Winding No.I

ii. Winding No. II

iii. Winding No.III

8 Maximum ratio error with rated burden and 9% normal primary voltage for secondary winding.

9 Maximum phase angle error with rated burden and 5% normal primary voltage for secondary winding

10 Grade of oil

11 Temperature rise at 1.2 times rated voltage with rated burden

12 Rated voltage factor and time

13 Temperature rise for

14 One min. power frequency withstand test (dry) voltage

15 One min. power frequency withstand test (wet) voltage.

16 1.2 /50 micro sec. Impulse wave withstand test voltage

17 One min. power frequency withstand voltage on accessories.

18 Weight of oil

19 Total weight

20 Overall dimensions

21 Mounting details

22 Surface treatment

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

CAPACITOR VOLTAGE TRANSFORMERS

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

GUARANTEED TECHNICAL PARTICULARS FOR SURGE ARRESTORS

(Bidder should indicate the guaranteed technical data of all equipments / materials for each type of rating separately)

Surge Arrestors 96KV 60KV 30KV 9KV

SURGE ARRESTORS

a. Manufacturer's Name

b. Manufacturer's type / designation

c. Applicable standards

ELECTRICAL CHARACTERISTICS

2 A. Arrester class and Type

b. Rated arrester voltage (kV)

c. Maximum continuous operating voltage (COV) at design ambient temeprature

d. Nominal discharge current (8/20 micro sec. Wave) (kA)

e. i. Minimum discharge capacity (kJ/kV) referred to rated voltage of minimum of discharge characteristics

ii. Line discharge class, as per IEC

f. Maximum equivalent front of waver protection level (discharge voltage with 0.5 * 1.5 micro sec, 10 kA impulse current).

g. i. Minimum switching surge residual voltage at 1 kA (kV p)

ii. Maximum switching surge residual voltage at 1 kA(kVp)

h. Maximum residual voltage for 8/20 micro sec. Current wave

i. At 50% nominal discharge current (kVp)

ii. At 100% nominal discharge current (kVp)

iii. At 200% nominal discharge current (kVp)

i. One minute power frequency (dry) withstand Voltage of arrester (k Vrms)

j. Impulse withstand test voltage of arrester housing with 1.2/50 micro sec. Wave (kVp)

k. Impulse current withstand

i. High current short duration (4/10 micro sec. Wave) kAp

ii. Low current long durationn (A peak)

l. Maximum internal ionisation at 50 Hz voltage equal to

m. Reference voltage and corresponding reference current of arrester.

n. Maximum internal leakage current at (mA).

iii. COV at 150oC

iv. Reference voltage

o. Pressure relief class

p. Are the protection levels affected by pollution of external insulation

q. Energy absorption capacity in kJ per operation of the arrester, during a switching surge discharge.

r. Maximum amount of energy that may be dispatched into the arrester during discharge into the arrester during discharge assuming that discharge takes place within 1 min period and state the switching surge current.

s. Internal pressure required to operate pressure relief device as a percentage of burst pressure of porcelain

t. Dynamic over voltage withstand kVp

ii. For 0.01 sec.

iii. For 0.1 sec.

u. Minimum prospective symmetrical fault current (kA rms)

v. Rejection rate of ZnO blocks during manufacturing and operation for the past three years (%) seperately

w. Rated voltage of ZnO disc (kV)

i. No. of ZnO discs in a unit

ii. No. of units/arrester

iii. Height / Thickness of ZnO discs 9(mm)

iv. Diameter of ZnO disc. (mm)

3 EXTERNAL INSULATION

b. Applicable standard

c. Impulse voltage withstand test voltage of housing with 1.2 / 50 micro sec wave (kVp)

d. One minute power frequency withstand voltage of arester housing dry and wet (kv rms)

e. Total creepage distance of arrester housing (mm)

f. Cantilever strength of complete arrester (kg)

4 OVERALL DIMENSIONS

A. Overall dimensions

i. Overall Height (mm)

ii. Height upto top of terminal pad from mounting plane

iii. Material of terminal pad

iv. Size of terminal pad

v. Mounting dimensions and diameter of mounting holes

vi. Diameter of insulator

b. Total weight of complete arrester (kg)

TERMINAL CLAMPS AND CONNECTIONS

1 Manufacturer's Name

2 Applicable Standards

4 Material of connector

b. Bolts & Nuts

c. Spring washers

5 Rated Current

6 a. Rated terminal load (kg)

b. Factor of safety

7 Minimum thickness of any part (mm)

8 Weight of clamp complete with hardware (kg)

9 Type test reports as per IS enclosed

10 OGA drawing enclosed.

BUSHING / SUPPORT INSULATOR

1 Manufacturer's Name

3 Applicable Standards

ii. Diameter (Top)

iii. Diameter (Bottom)

5 Total Creepage distance (mm)

6 Rated voltage (kV)

7 Power frequency withstand voltage for 1 min. (k Vrms) dry and wet

8 1.2/50 micro sec. Impulse withstand voltage (kVp) dry and wet

9 250/2500 micro sec. switching impulse withstand voltage (kVp) dry and wet

10 Corona Extinction voltage (kV)

12 Max. allowable span (mm)

13 Cantilever Strength (kg)

14 OGA drawing enclosed.

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

DRS - 8( 1 of 2)

GUARANTEED TECHNICAL PARTICULARS FOR RELAY & PROTECTION PANELS

(Bidder should indicate the guaranteed technical data of all equipments / materials for each type of rating separately)

Relay & Protection Panels

Sl. No. Description

I Description, Construction & formation details :

1 Make and Type reference of manufacturer

i) type of construction or simplex

ii) type of scheme

b) for power transformer

3 Thickness of sheet steel (mm):

i. Door, Top and Bottom of panel

4 Tentative overall dimensions (L*B *H) (mm) of each panel

5 Dead weight of each panel (Kgs)

6 Approximate weight of each panel with all components (Kgs)

7 Details of packing for transport

8 Overall dimensions of transport package (L*B*H) (mm)

9 Approximate gross weight of transport package (Kgs)

10 Exterior paint film thickness (microns) and paint colour

11 Interior paint film thickness (microns) and paint colour

12 Cubicle Lighting : Volts, wattage, Type of holder and fitting whether provided with door control switch or not.

13 Safety earthing :

a. Material of conductor

b. Size (W*T) (mm)

c. Surface treatment and finish of conductor.

d. Type of end connection

14 Panel front/rear component identity board

c. Size of lettering and colour

d. Method of fixing

15 Panel wiring :

a. Type and material of wire conductors, insulation and voltage grade.

b. Conductor cross sectional area or strands/gauge of wire and colour scheme adopted for :

i. VT secondary circuits and annunciation circuit.

ii. Other Circuits.

c. Type of wire termination

16 Mimic bus details :

a. Type painted / strip fixed

c. Whether colour scheme specified will be followed

d. If not specify deviations.

II. TERMINAL BLOCKS AND CONNECTORS (USED FOR PANEL WIRING)

1 Make and Type reference of manufacturer

2 Insulation and voltage grade

3 Constructional details

4 Current rating of studs, size and material

5 Whether shrouding provided or not

6 Whether space terminals provided or not

7 Literature enclosed.

III. INDICATING LAMPS :

1 Wattage and voltage of lamp

2 Size of lens and material thereof

3 Type of lamp holder

4 Whether provided with series resistor? If yes, specify Ohmic value power loss

IV FUSE HOLDERS AND FUSES :

1 Make and Type reference of manufacturer

2 Insulation and voltage grade

3 Type of Insulation material

4 Type of fuses

5 Rating of fuses provided for different circuits

6 Literature enclosed.

VI. SELECTOR SWITCHES :

1 Make and Type reference of manufacturer

2 Type of handle / Switch

3 Mounting details

4 Number of positions

5 Number of contracts available in each position.

6 Making capacity of contacts

7 Breaking capacity of contacts

8 Whether locking arrangement is available.

9 Whether detailed literature and drawings encolsed. (YES/NO)

VII. PUSH BUTTONS :

1 Make and Type reference of manufacturer

2 Mounting details

3 Type of contact

4 Current and voltage rating

5 No. of contacts

6 Whether shrouding provided to prevent inadvertent operation (YES/NO)

7 Whether provided with integral engraved inscription plates (YES/NO)

VIII AUXILIARY CT's VT'S :

1 Make and Type reference of manufacture

b. Ratios available

d. Standard to which it conforms

e. Accuracy class

f. Short time current / voltage rating

g. Temperature rise

h. One minute power frequency withstand voltage

j. Mounting dimensional details

k. Panel in which to be provided with quantity thereof and connected ratio

3 For CT's only

a. Knee point voltage (KPV) (Volts)

b. Excitation current at KPV and 50% KPV (ma)

c. Internal impedance of primary and secondary windings in ohms

4 Literature enclosed.

IX. SPACE HEATERS :

1 Make and Type reference of manufacture

2 Type of space heater (Tubular / strip type)

3 Rating Wattage

4 Whether thermostat provided (YES/NO)

II INSTRUMENT TEST TERMINAL BLOCKS :

1 Make and Type reference of manufacturer

2 Insulation class and rating

3 Size and mounting details

4 Type of CT terminal shorting mechanism (LINK / SCREW)

5 Type of VT terminal Isolating Mechanism

6 Whether detailed literatures enclosed. (YES/NO)

C GENERAL PROTECTION RELAYS :

I The tenderer shall furnish guaranteed Technical particulars for all types of relay offered, in the following proforma (separate sheet shall be enclosed for each type of relay :)

1 Manufacturer's name or trade marks

2 Type designation

3 Size and mounting details (whether in draw out case)

4 Rated Values of both input and auxiliary energizing quantities

5 Values of the limits of the operative range(s) of the auxiliary energising quantity (ies)

6 Contacts data, Number and rating of main and auxiliary contacts

7 Rated value or setting range of the characteristic quantities and or angle

8 Limiting short-time thermal withstand values

9 Limiting dynamic values.

10 i. Burden data ( in case of poly input relays - data shall be furnished for appropriate set of input terminals).

a. At highest tap - AC current / voltage coil

b. At lowest tap - AC current / voltage (coil)

ii. DC power consumption.

11 Impulse and dielectric test voltage(s)

12 Details of accessories (If essential to the relay performance)

13 Details of accessories (Optional items)

14 Whether provided with seal in trip contacts

15 a. Type of operating characteristics

b. Accuracy of operating characteristics, operating time with details

16 H.F. disturbance test voltage (s)

17 Whether literature enclosed

18 Type of relay flag indicator and rating of target coil

II In addition to the above details, the following details shall also be furnished for relays specified below :

1 DOCR / DEFR :

a. Directional sensitivity

b. Minimum voltage at which the directional units operate

c. Characteristic angle

2 OVER FLUXING RELAY :

a. Whether provided with timer if so time setting available for Alarm and delayed trip.

3 Distance Protection Scheme for 220KV / 110KV / 66KV Lines:

A Type of distance measuring element

a. Starting unit

i. Type of scheme

b, No. of measuring element or comparator with details

c. Setting range of the distance measurement

d. No. of zones

i. Overall range for all zones.

ii. Reach setting range at rated current.

Zone - 1 (forward) - ohms

Zone - 2 (forward) - ohms

Zone - 3 (forward) - ohms

Off set zone 3 reverse - ohms

Zone extension (if any)

e. Characteristic of each zone

Phase fault unit

Earth fault unit

Phase fault unit

Earth fault unit

Phase fault unit

Earth fault unit

Zone - 3 off set

Zone -1 in ohms

1. Reach of the relay along with characteristic angle at rated current and voltage

2. Reach of the relay in resistive direction at rated current & voltage

3. Reach in reactive direction at rated current & voltage

Zone - 2 in ohms

1. Reach of the relay along with characteristic angle at rated current and voltage

2. Reach of the relay in resistive direction at rated current & voltage

3. Reach in reactive direction at rated current & voltage

Zone - 3 in ohms

1. Reach of the relay along with characteristic angle at rated current and voltage

2. Reach of the relay in resistive direction at rated current & voltage

3. Reach in reactive direction at rated current & voltage

Zone - 3 in Reverse ohms

1. Reach of the relay along with characteristic angle at rated current and voltage

2. Reach of the relay in resistive direction at rated current & voltage

3. Reach in reactive direction at rated current & voltage

f. Power swing blocking characteristic setting

i. Forward reach

ii. Reverse reach

g. Setting range of residual compensation

h. Setting range of mutual compensation

i. (i) Operating time

(ii) Time setting range

Power swing blocking

Zone - 1 (reach)

Zone - 2 (reach)

Zone - 3 (forward reach)

K. Polarising scheme

B. Additional featues provided :

a. Fault locator

b. Carrier aided tripping scheme

c. Power swing blocking

d. Broken conductor detection

e. Synchronous check

f. Weakend infeed

g. Switch on to fault

h. Fuse failure supervision

C. Facilities available for Fault Locator

a. Name and type reference of manufacturer

b. Rating and setting available

c. Rated V A burden

d. Power consumption voltage and current element

e. Memory capacity with details

f. Triggering method

h. Method of accuracy

D Auto Recloser:

a) Reclosing facilities available

b) Single phase/three phase dead time range.

c) Reclaim time range

d) No. of modes selectable by selection switch

e) Provision of Check synchronizing features and its time setting, range phase angle setting, voltage difference setting.

f) Provision of deadline charging set range of voltage.

g) Lock out facility.

E Disturbance Recorder:

a) No. of event channels

b) No. of analog signals.

c) Sampling rate

d) Recording Band width

e) Over current triggering – range.

f) Under current triggering – range.

g) Over voltage triggering – range.

h) Pre fault time – range.

i) Post fault time – range.

j) Limit time – range.

k) No. of recorded disturbances.

l) Total recording time with 8 Analog and 16 event channels recorder.

m) Voltage channels – details.

n) Period of built in calendar.

o) Current channels – details,

F EVENT RECORDER

a) Time tagging resolution.

b) Events capacity

i) Max. NO. of events per disturbance report.

ii) Max. No. of disturbance reports

c) Time tagging error with synchronization.

i) Once in One second

ii) Once in ten seconds.

iii) Once in sixty seconds

d) Timer tagging error without synchronization.

4 Restricted Earth fault Relay.

a) Manufacturer Type P designation

b) Operating time 2 x setting

5 Differential protection scheme :

a. No. of restraining coils and operating coils.

b. Harmonic restraints provided with details

c. Rated VA Burden and power consumption of

i. Restraining coil

ii. Operating coil

d. Type of slope setting :

If variable, range of slope setting through fault current stability. Maximum & minimum range of HV / MV / LV current ratio over which the relay can be used.

e. Whether provided with switching inrush current restraint, if so type.

6 Trip circuit supervision relay:

a) Name of manufacturer.

b) Type & Designation.

c) Whether preclosing & post closing supervision provided.

7 High speed trip relay

a) Name of manufacturer.

b) Type & Designation.

c) Contact rating.

Current rating-

i) Continuous rating

ii) Rating for 5 secs.

d) Break Resistive load inductive load (with L/R = 40 msec.

e) Operating time at rated voltage (max).

f) Resetting time.

g) Whether supervisory relay included.

8 Local breaker back up protection.

a) Name of manufacturer.

b) Type & Designation.

c) Operating time

d) Resetting time

e) Setting range

9 Bus bar protection

a) Name of manufacturer.

b) Type & Designation.

c) Type of relay (numerical)

d) Principle of operation (biased/low impedance)

e) Operating time

f) Resetting time

g) Setting range.

h) Whether will it cause tripping for the differential current below the load current of heavily loaded feeder (Bidder shall submit application check for the same).

III The tenderer shall confirm whether the following details will be furnished at the time of approval of drawings:

a. Identification and location of removable parts.

b. Data of permit suitable connection of the relay (including the polarity)

c. Data concerning the earthing of metallic part

d. To indicate parts of modules which should not be replaced without observing precaution prescribed by the manufacturer.

GUARANTEED TECHNICAL PARTICULARS FOR ELECTRONIC TRIVECTOR METERS

Sl. No. PARTICULARS

1 Type of Meter

2 Class of Accuracy

3 Standard to which the meter conforms

4 Current rating for which accuracy is guaranteed for

a. Basic Current (ib)

b. Continuous Current overloading capability

c. Short time over current

d. Minimum Starting Current

5 a)Voltage rating for which accuracy is guaranteed for

b)Over voltage withstand capacity - continuous

c)Voltage Range

6 Other Parameters for which accuracy is guaranteed

a. Reference Temperature

b. Standard Reference Frequency (Hz)

c. Accuracy Guaranteed for

d. Frequency Range

e, For single Phase Loads / In- put

f. For two Phase Loads / In - put

g. For In-put / Loads without neutral in -puts unbalanced Voltages

h. Temperature Range

7 Insulation Resistance

8 Sampling Plan for measurement of Voltage, Current and Frequency

9 Power Loss in each Current circuit at Basic Current in VA & WATT

10 Power Loss in each Voltage circuit at reference in VA & WATT

11 Display device (Hardware details)

a. Type of Display i.e. LCD

b. Character size of display digits

c. No. of Display digits used

2. For parameter identification

d. Life of display unit (Guaranteed)

e. Method adopted for digit over flow

12 Display details (Software)

13 a. Non-volatile memory retention time in absence of power

b. Non - volatile memory capacity in KB.

c. RAM Capacity

d. Maximum number of Parameters which can be stored in non-volatile Memory at each half an hour intervals for Six Months.

14 Maximum demand

a. Parameters that can be dynamically selected

b. Integration Period Range

c. Provision for Automatic Rest

d. Type of MD Computation

15 Communication Inter-phase available

- for calibration

- for data transfer

16 Electro magnetic interference / Electro magnetic comparativity level

17 Mounting arrangement

18 Meter sealing arrangement

b. Meter terminal block

c. MD reset bush button

d. Battery unit

19 Degree of protection against moisture etc.,

20 a. Provision for real time clock

b. Real time clock accuracy

c. Life of real time clock (Guaranteed)

21 Power Supply backup

22 Measuring principle employed for

d. Maximum demand parameters

NOTE 1. Measuring principle adopted for each of the items above should be specified.

2. Measurement logic employed in case of Harmonics and contents up to which meter recognizes for measurement shall be furnished.

23 Abnormal conditions that will be identified with limiting values

24 Guarantee period offered for

a. Performance and accuracy

b. Components not covered under guarantee

25 Micro processor

a. Address in bits

b. Sampling rate

26 Compatibility of the software for the following

a. For generation of consumer bill directly with the existing KPTCL billing software

b. Compatibility of software provided for MRI, down loading from earlier version already supplied to KPTCL

c. Compatibility of software for generation of report for earlier versions

27 Additional features available

28 Agreement to furnish protocol details for development of required software through third party

29 Platform on which the meter communicates

30 Levels of security

a. For changing real time

b. Fir changing display parameters

c. For changing Load survey parameters

d. For changing TOD Registers, clock setting

e. Measuring principle, computation

31 Specification of reference standard offered

32 Specification of Lapatop Computer offered

33 Specification of MRI kit offered

34 Specification of equipment offered for checking communication capability through RS232/RS485 port

Place Designation

Name of the Company

Bid Enquiry No:KPTCL/CEE/T(O)Z/BZ/TTK-34/2025-26 Indent No:KPTCL/2026-27/SS/WORK_INDENT3882

Upgradation of protection system at 220kV BWSSB, Harohalli sub-station Kanakapura Road, Bengaluru Including supply of all materials/ equipment and erection (including Civil works) of all materials/ equipments, testing and commissioning on Total Turnkey Basis on DCW basis by M/s.BWSSB.

GUARANTEED TECHNICAL PARTICULARS FOR LATTICE TYPE SUB STATION STRUCTURES

(Bidder should indicate the guaranteed technical data of all equipments / materials for each type of rating separately)

Substation Structures

1 a)Standard adopted

b)Properties of Section

c)Bolts and Nuts

2 Minimum Sheared edge distance

3 Minimum Rolled edge distance

4 Quality of Zinc used for galvanizing

5 Maximum % increase in section weight due to galvanization

6 Quantity of Zinc required for galvanization per MT structures

7 Size of Bolts & Nuts (dia) :

c.)Foundation Bolts

Place Designation

Name of the Company