Turnkey Contract for Installation of 14 nos. of additional 5 MVA Departmental Power Transformer along with associated 33 kV & 11 kV Protection System and 11 kV Bay at different Power Sub Station in Electric Supply Circle Begusarai, Darbhanga, Saharsa, Kishanganj and Purnea under Package-3 envelope under O&M Capital Head/Internal Resource Fund (IRF), O&M Department, NBPDCL

NIT No: 41/PR/NBPDCL/2026

TECHNICAL & COMMERCIAL PART (Part-I)

Name of Utility :- NORTH BIHAR POWER DISTRIBUTION COMPANY LIMITED

Name of Department :- Department of O&M

NIT No :- NIT No: 41/PR/NBPDCL/2026

Name of Scheme :- Turnkey Contract For Installation of 14 nos. of additional 5 MVA Departmental Power Transformer along with associated 33 kV & 11 kV Protection System and 11 kV Bay at different Power Sub Station in Electric Supply Circle Begusarai, Darbhanga, Saharsa, Kishanganj and Purnea under Package-3 envelope under O&M Capital Head/Internal Resource Fund (IRF), O&M Department, NBPDCL.

Estimated Cost (in Rs) :- ₹ 69,571,441.91

Bid Security (Earnest Money Deposit) (in Rs) :- ₹ 1,391,428.84

Time of Completion (in months) :- Six (06) months from the effective date of the LOA/NOA

Cost of BOQ (in Rs.) :- Rs 1,00,000+18% GST

Processing fee for BSEDC (in Rs.) :- As per Actual

Sl No. Details To be Filled in green color cells by Contractor [Submit- YES/NO from Sl. No. 5 onwards] Page No [Page numbered document details] Remarks (If any)

1 Name of the Bidder/ Manufacturer :- From To

2 Address & contact no of the Bidder/ Manufacturer :-

3 Electrical contractor's License Class A ( Give registration No., Validity and details) ( Document submitted Yes/ No with page no.) :-

4 Cost of Tender( Required amount - Rs. 100000+18%GST Give details of amount and online receipt no. ( Document submitted Yes/ No with page no.) :-

5 Attachment 1 : Bid Security (Earnest Money Amount )- shall be valid for ninety(90) days beyond the original validity period of the bid ( Give details of amount, validity and BG Detail) Document submitted Yes/ No with page no.) :-

6 Bid Validity - upto and including 180 days reckoned from the deadline for Submission of Bids (Self declaration to be submitted by the bidder) :-

7 Details of Joint Venture (If any) as per requirement of RFP/NIT. :-

8 Form 1 Letter of Bid – Technical Part

9 Form 2 Format for Bidder Information Sheet

10 Form 3B Format of Bank Guarantee for Bid Security

11 Form 4 Format of Power of Attorney of designated Bid Signatory by sole bidder/ lead joint venture member

12 Form 5 Format of Declaration of conformance of the Bidder and the Facilities offered, to the specified eligibility requirement

13 Form 6 Format for Affidavit of Self certification regarding Local Content in line with PPP-MII order and #MoP Order/DoT order

14 Form 7 Format of Power of Attorney by Each Member/ Partner of The Joint Venture in favor of Lead Member/ Partner

15 Form 8 Format of Joint Deed of Undertaking by the Joint Venture Partners/ Members

16 Form 9 Format for Details/ Data and Documentary Evidence in support of meeting the Qualification Requirement

17 Form 10 Format of Bought-out & Sub-contracted Items

18 Form 11 Format of Undertaking on Compliance of Terms & Conditions of the Bidding Documents including Scope of Work and other related requirements

19 Form 12 Format of Alternative, Deviations and Exceptions to the Provisions of RFB Document

20 Form 13 Format of Work Completion Schedule

21 Form 14 Format of Guarantee Declaration

22 Form 15 Format of Information regarding Ex-employees

23 Form 16 Format for Price Adjustment Data

24 Form 17 Format of Option for Initial Advance (either Interest Bearing Initial Advance or No Initial Advance) and Information for E-payment, PF details and declaration regarding Micro/Small & Medium Enterprises

25 Form 18 FORMAT OF Declaration for tax exemptions, reductions, allowances or benefits)

26 Form 19 Format of Bank Guarantee verification Check list

27 Attachment-4A : List of Special Maintenance Tools & Tackles included in bid price

28 Attachment-4B : List of Special Maintenance Tools & Tackles not included in bid price

29 Form 20 Format of Additional Information

30 Form 21 Format of Integrity Pact

31 A certificate from banker (as per specified format) indicating various fund-based limits sanctioned to the bidder and the extent of utilization as on date. Such certificate should have been issued not earlier than three months prior to the date of bid opening. 16. FORMAT FOR EVIDENCE OF ACCESS TO OR AVAILABILITY OF CREDIT/FACILITIES - BANK CERTIFICATE

32 The complete annual reports together with Audited statement of accounts of the company for last five years of its own (separate) immediately preceding the date of submission of bid

33 Certificate from Chartered Accountants as per 20 FORM OF CERTIFICATE OF FINANCIAL PARAMETERS FOR QR (as per clause ref. no. 2 of Section 2 of Part 1))

34 Experience certificate to claim eligibility of bidder as per requirement of RFP/NIT. Work experiences of the bidder as per above shall be considered only if the works have been executed under Govt./Semi-Govt./autonomous body of Central/State Govt./Electricity Power Utility/ Power Deptt. in India only. :-

35 Liquid Asset(Rs in Cr.) (10 % of estimated cost of project ) :-

36 Net Worth of the bidder (must be positive for the each of the last three Financial Years) :-

37 MAAT (Rs. In Cr.) (30 % of estimated cost of project taken for best three years out of last five financial years ) :-

38 Bid Capacity :-

42 Minimum Manpower as per RFP( Yes/No) :-

43 Self-certified copy of the document to establish legal status of the firm viz. Certificate of Incorporation issued under The Companies Act / The Limited Liability Partnership Act / Partnership deed etc. as applicable :-

44 Copy of memorandum of association/article of association

45 Notarized affidavit to be submitted with regard to Sanction , Suspension and Prohibition as defined in RFP clause 1.3 of part -1 ( Bidding Procedure & Requirements )

46 Notarized affidavit to be submitted with regard to Non-debarrment of the firm by BSPHCL or any of its subsidiary companies i.e NBPDCL , SBPDCL , BSPGCL , BSPTCL participating in the bid either in individual capacity or in JV or by forming consortium as on the date of submission of bid .

47 Authority to seek references from banker: :-

Turnkey Contract for Installation of 14 nos. of additional 5 MVA Departmental Power Transformer along with associated 33 kV & 11 kV Protection System and 11 kV Bay at different Power Sub Station in Electric Supply Circle, Begusarai, Darbhanga, Saharsa, Kishanganj and Purnea under O&M capital head/ Internal Resource Fund (IRF), O&M Department, NBPDCL.

NIT No:- 41/PR/NBPDCL/2026

Sch. No Description of Work Unit Begusarai Darbhanga Saharsa Kishanganj Purnea Scope of Work

A Installation of additional 5 MVA Power Transformer Nos. 2 1 1 1 9 14

B 11 kV Bay Extension Nos. 2 1 1 1 9 14

C 33 kV XLPE Under Ground Cable Mtr 160 0 0 0 400 560

D 11 kV XLPE Under Ground Cable Mtr 160 0 0 80 400 640

Turnkey Contract for Installation of 14 nos. of additional 5 MVA Departmental Power Transformer along with associated 33 kV & 11 kV Protection System and 11 kV Bay at different Power Sub Station in Electric Supply Circle, Begusarai, Darbhanga, Saharsa, Kishanganj and Purnea under O&M capital head/ Internal Resource Fund (IRF), O&M Department, NBPDCL.

NIT No:- 41/PR/NBPDCL/2026

(Schedule: 1- Price for Supply)

Name of Bidder:

Sl. No. Description Unit Unit Quantity Total Quantity Unit Ex-Work Price excluding GST Unit Frieght Price Unit Insurance Price Total Ex-work with F&I Price excluding GST

A Capacity Enhancement of Existing Power Sub Stations- Additional 5 MVA Power Transformer (Where Power transformer will be provided by DISCOM) 14

1 33/11 kV, 3 ph, 50 Hz, ONAN, Cu Wound, Outdoor Conventional type Power Transformer along with transformer oil, Buchholtz relay, breather, OTI & WTI, Marshalling Box, Conservator tank, oil level indicator, valves, 2 sets of 50x8 mm GS Neutral Earthing strips {(with braided conductor on bushing end), isolating link, isolation with insulators}, Vent explosion plug, control wiring between sensing equipment and marshalling box, cable supporting tray on the body of transformer, transformer wheels, LV/HV bushing etc as required as per technical specifications, approved drawings and scope of the work.

a 5 MVA Power Transformer (Power Transformer will be provided by NBPDCL) No 0 0 0.00

2 36kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Vacuum Circuit breaker along with 36kV, 1-Phase, 800-400-200 Amps/1-1-1 Amps 3 Nos outdoor type Current Transformers along with junction box (1 no junction box for 3 no of 1-phase CTs), Jumpers, earthing, supporting structures, bi-metallic clamps, permanent maintenance platform, marshalling box etc required as per technical specifications, scope of works and approved drawings Set 1 14 0.00

3 33kV, Indoor, Control & Relay panel along with E/F & O/C relays, Mimic Diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays and other components etc as per approved drawings, specifications and scope of works controlling:

a Power transformer 33 kV VCB with Modem compatible DLMS Complaint Class A Static Tri-Vector Energy Meter and differential relays No 1 14 0.00

4 36 kV, 3-pole, 1-Phase, 33kV/110 volt, Single core outdoor type Potential Transformer along with junction box (1 no junction box for 3 no of 1-phase PTs), bi-metallic clamp and required accessories etc., complete as per technical specifications, approved drawings and scope of the works. Set 1 14 0.00

5 36kV, 800 A, 25kA for 3 seconds, 3-ph double break center rotating type (DBCR) with or without Earth Switch, Gang Operated, isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per technical specifications, scope of works and approved drawings Set 2 28 0.00

6 12kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Vacuum Circuit breaker along with 12kV, 1-Phase, 600-300-150/5-5 Amps 3 Nos outdoor type Current Transformers along with junction box (1 no junction box for 3 no of 1-phase CTs), Jumpers, earthing, supporting structures, bi-metallic clamps, permanent maintenance platform, marshalling box etc required as per technical specifications, scope of works and approved drawings No 1 14 0.00

7 11 kV, Indoor, Control & Relay panel along with E/F & O/C relays, Mimic Diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays and other components etc as per approved drawings, specifications and scope of works controlling:

a 11 kV feeder VCB with Modem compatible DLMS Complaint Class A Static Tri-Vector Energy Meter and differential relays. No 1 14 0.00

8 12 kV, 1 Phase, 11 kV/110 Volts, 1 core Potential Transformer, Outdoor type along with terminal connector, junction box and required accessories complete (1set=3 nos.) Set 1 14 0.00

9 12 kV, 630 A, 25kA for 3 seconds, 3-ph double break centre rotating type (DBCR) with or without Earth Switch, Gang Operated Isolator along with Support Insulators, Operating Mechanism, Base Channel, down Pipe and all required accessories complete as per technical specifications, scope of works and approved drawings No 2 28 0.00

10 Bus-Bars & Jumpers/Droppers/Terminations including hardware fittings, hardware, T-connector etc as per technical specifications, approved drawings and scope of works.

a ACSR Zebra Conductors km 0.1 1.4 0.00

b IPS Aluminium Pipes 65 mm Dia km 0.05 0.7 0.00

11 30 kV, 10kA, 1-ph Station Class Lightening Arrester complete (1 set= 3 Nos.), jumpering from bus bar, hardware etc as required as per technical specifications, approved drawings and scope of the works. Set 1 14 0.00

12 33 kV Post Insulator (1 Set = 2 Nos of 22 kV) Set 6 84 0.00

13 33 kV Disc Insulator Insulator (1 Set = 4 Nos Disc Insulator 90 KN) along with Hardware fitting (B&S Type) Set 6 84 0.00

14 Gantry structures made of Lattice structures of equal angles sections, flat as per approved drawings. All structural steel members and bolts shall be galvanized after fabrication as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members. All L45x45x5 will have 23 mm back mark. All L50x50x6 will have 28mm back mark. 3.5mm spring washers are to be used under each nut, structural steel shall conform to IS 2026. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.. MT 4.5 63 0.00

15 40 mm dia., 3000 mm long GI pipe earth electrode with test link, RCC pit, RCC cover, placed on GI frame, bantonide powder and other accessories complete as per technical specification. (For treated earthing) Set 6 84 0.00

16 Earthing & Grounding of structure & equipment with all required accesories as per approved Electrical Layout for each bay (75 X 8mm MS Flat-0.25 MT, 50X6mm GS Flat-0.25 MT, 25 mm Dia MS Rod 3 Meter long-0.1 MT) Lot per Transformer 1 14 0.00

17 All types control cable (4C/6C/12C x 2.5 Sqmm Copper as per TS) and LT power cable (16 Sqmm) required for the successful commissioning and charging of additional 10 MVA Power Transformer in sub-station as per TS, scope of work and direction of Engineer in Charge. Lot per Transformer 1 14 0.00

B 11 kV Outdoor Bay Extension 14

1 Gantry structures made of Lattice structures of equal angles sections, flat as per approved drawings. All structural steel members and bolts shall be galvanized after fabrication as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members. All L45x45x5 will have 23 mm back mark. All L50x50x6 will have 28mm back mark. 3.5mm spring washers are to be used under each nut, structural steel shall conform to IS 2026. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings. MT 2.5 35 0.00

2 12kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Vacuum Circuit breaker along with 12kV, 1-Phase, 600-300-150/5-5 Amps 3 Nos outdoor type Current Transformers along with junction box (1 no junction box for 3 no of 1-phase CTs), Jumpers, earthing, supporting structures, bi-metallic clamps, permanent maintenance platform, marshalling box etc required as per technical specifications, scope of works and approved drawings No 1 14 0.00

3 11 kV, Indoor, Control & Relay panel along with E/F & O/C relays, Mimic Diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays and other components etc as per approved drawings, specifications and scope of works controlling:

a 11 kV feeder VCB with Modem compatible DLMS Complaint Class A Static Tri-Vector Energy Meter No 1 14 0.00

4 12 kV, 1 Phase, 11 kV/110 Volts, 1 core Potential Transformer, Outdoor type along with terminal connector, junction box and required accessories complete (1set=3 nos.) No 1 14 0.00

5 12kV, 630 A, 25kA for 3 seconds, 3-ph double break center rotating type (DBCR), Gang Operated, with earth switch isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per technical specifications, scope of works and approved drawings. Set 1 14 0.00

6 ACSR Conductor for Bus-Bars & Jumpers/Droppers/Terminations including hardware fittings, hardware, T-connector etc as per technical specifications, approved drawings and scope of works.

a ACSR Zebra Conductors km 0.075 1.05 0.00

7 All types control cable and LT power cable required for the successful commissioning and charging of bays in sub-station as per TS, scope of work and direction of Engineer in Charge. Lot per Bay 1 14 0.00

8 9 kV, 10kA, 1-ph Station Class Lightening Arrester, jumpering from bus bar, hardware etc as required as per technical specifications, approved drawings and scope of the works. (1 Set=3 Nos) Set 1 14 0.00

9 11 Porcelain Insulator - Pin, Post and Disc insulators along with suitable hardware & accessories suitable for ACSR Zebra conductors as per approved drawings & specifications. Lot per Bay 1 14 0.00

10 IPS Aluminium Pipe 65 mm. dia. As per Technical Specification and scope of work Mtr. 15 210 0.00

11 Earthing & Grounding of structure & equipment with all required accesories as per approved Electrical Layout for each bay (75 X8mm MS Flat-0.25 MT, 50X6mm GS Flat-0.25 MT, 25 mm Dia MS Rod 3 Meter long-0.1 MT) LS Per bay 1 14 0.00

12 40 mm dia., 3000 mm long GI pipe earth electrode with test link, RCC pit, RCC cover, placed on GI frame, bantonide powder and other accessories complete as per technical specification. (For treated earthing) Set 3 42 0.00

C 33 kV Under Ground Cable Mtr 560

1 33 kV grade XLPE, 3 core, 400 sqmm size power cable as per TS Mtr 80 560 0.00

2 GI/CI Pipe 150 mm dia for raising of cable at both end [ 3 Mtr for each end ] Mtr 6 42 0.00

3 Outdoor type heat shrinkable termination kit complete with all accessories including lugs suitable for 3 Core 400 sqmm 33 kV grade AI conductor XLPE cable as per TS. [ 1 Set = Termination Kit suitable for terminating each 3 core of Cables ] Set 2 14 0.00

4 40 mm dia., 3000 mm long GI pipe earth electrode with test link, RCC pit, RCC cover, placed on GI frame, bantonide powder and other accessories complete as per technical specification. (For treated earthing) Set 1 7 0.00

5 Galvanized Pre-fabricated steel items and GI Nuts, Bolts with Washers like channels, bracket, clamp back clam[p etc made of GI channels, GI angle, GI flats for Cable raising. MT 0.14 0.98 0.00

D 11 kV XLPE Under Ground Cable Mtr 640

1 11 kV grade XLPE, 3 core, 300 sqmm size power cable as per TS Mtr 80 640 0.00

2 GI/CI Pipe 150 mm dia for raising of cable at both end [ 3 Mtr for each end ] Mtr 6 48 0.00

3 Outdoor type heat shrinkable termination kit complete with all accessories including lugs suitable for 3 Core 300 sqmm 11 kV grade AI conductor XLPE cable as per TS. [ 1 Set = Termination Kit suitable for terminating each 3 core of Cables ] Set 2 16 0.00

4 40 mm dia., 3000 mm long GI pipe earth electrode with test link, RCC pit, RCC cover, placed on GI frame, bantonide powder and other accessories complete as per technical specification. (For treated earthing) Set 1 8 0.00

5 Galvanized Pre-fabricated steel items and GI Nuts, Bolts with Washers like channels, bracket, clamp back clamp etc made of GI channels, GI angle, GI flats for Cable raising. MT 0.14 1.12 0.00

Grand Total 0.00

Turnkey Contract for Installation of 14 nos. of additional 5 MVA Departmental Power Transformer along with associated 33 kV & 11 kV Protection System and 11 kV Bay at different Power Sub Station in Electric Supply Circle, Begusarai, Darbhanga, Saharsa, Kishanganj and Purnea under O&M capital head/ Internal Resource Fund (IRF), O&M Department, NBPDCL.

NIT No:- 41/PR/NBPDCL/2026

(Schedule: 2- Price for Erection/Installation)

Name of Bidder: 0.00

Sl. No. Description Unit Unit Quantity Total Quantity Unit Erection Price exclusive of GST Total Erection Price exclusive of GST

A Capacity Enhancement of Existing Power Sub Stations- Additional 5 MVA Power Transformer (Where Power transformer will be provided by DISCOM) No 14

1 Survey of Existing Power Sub Station, Preparation of Single Line Diagram and obtaining approval of Engineer-in-Charge as per Technical Specification Scope of Work and Direction of Engineer-in-Charge Lot per Transformer 1 14 0.00

2 Design, engineering and construction of foundation (civil work) for following 5 MVA Departmental Power Transformer considering original equipment manufacturer recommendations including excavation of pit, shuttering, reinforcement, cement concreting including providing and erecting guiding rail, wheel stopper etc as per Technical Specification, approved Drawing, Scope of works and direction of Engineer in Charge: [The Foundation footing should be at least 1.5 Meter below Natural Ground level] Nos 1 14 0.00

3 Design, engineering and construction of cement concrete Cable Trench of 0.75 Mtr wide, 1.0 Mtr. depth, precast RCC Trench Cover, Water slop, cable supporting angles including Labour, Reinforcement Steel, GI angles, Flats, Steel Frame Work, Excavation etc, all complete as per Technical Specification, approved Drawing & Scope of works. [Payment shall be made as per actual] [The Foundation footing should be at least 1.5 Meter below Natural Ground level] R/Mtr 15 210 0.00

4 Antiweded treatment and stone spreading in switchyard area excluding road, Cable trench, Drainage etc (Stone Spreading 6 inches over 4 inches lean cement concrete layer on brick soling as per technical specification, approved desgn and drawing and as per directon of Engineer in Charge. (payment will be made as per actual requirement per Square meter) CMT 100 1400 0.00

5 Erection, filtration, testing, commissioning and transportation from NBPDCL's Store to commissining site of 33/11 kV, 3 ph, 50 Hz, ONAN, Cu Wound, Outdoor Conventional type 5 MVA Departmental Power Transformer along with transformer oil, Buchholtz relay, breather, OTI & WTI, Marshalling Box, Conservator tank, oil level indicator, valves by providing 2 sets of 50x8 mm GS Neutral Earthing strips with braided conductor on bushing end supported with insulators, OTI & WTI Indicators, Vent explosion plug, control wiring / cabling, cable supporting tray on the body, transformer wheels, bushing etc as per Technical Specification, approved Drawing & all type of related Scope of works. [additional cost will not be applicable for transportation from NBPDCL's electrical store to commissioning site.] No 1 14 0.00

6 Design, Engineering, erection, testing and commissioning of 36kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Vacuum Circuit breaker along with 36kV, 1-Phase, 800-400-200 Amps/1-1-1 Amps 3 Nos outdoor type Current Transformers along with junction box (1 no junction box for 3 no of 1-phase CTs)], Jumpers, earthing, supporting structures, maintenance platform, marshalling box, control & Power cabling between VCB and indoor control panel and required accessories complete as per approved drawings, technical specifications and direction of Engineer in Charge and scope of the work including all type of civil works like plinth, footing, etc as per approved drawings. Set 1 14 0.00

7 Design, Engineering providing and installation of ISMC 75 channel on top of indoor trench, erection of panels on ISMC 75 channels, welding, testing and commissioning of 33kV indoor Control & Relay panel along with E/F & O/C relays, control and power supply cabling in trench between field equipment and panels, Mimic Diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays and other components etc as per approved drawings, technical specifications and scope of the work including all type of civil works as per approved drawings. Set 1 14 0.00

8 Excavation, erection, cement concrete foundation, testing and commissioning of all type of lattice structures i.e. Gantry/Swing bus/isolator/CT/PT/PI/S.S.T structures etc. made of joist / channel / angle / flat of different sections by providing and using Foundation Bolts, Nuts, Bolts, Washers etc as per approved drawings and direction of Engineer in Charge complete in all respect. MT 4.5 63 0.00

9 Erection, testing and commissioning of 36kV, 800A, 25kA for 3 sec, 3-ph double break center rotating type (DBCR), Gang Operated, isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per approved drawings, technical specifications and scope of the work including all type of civil works as per approved drawing including all type of civil works as per approved drawings. (With or Without Earth Switch) Set 2 28 0.00

10 Erection, testing and Commissioning of 30kV, 10kA, 1-ph Station Class Lightening Arresters, jumpering from bus bar, hardware etc as required, as per approved drawings, technical specifications and scope of the work, (1 Set=3 Nos) Set 1 14 0.00

11 Erection, testing and Commissioning of 36 kV, 1-Phase, 33kV/110 volt, Single core outdoor type Potential transformer along with junction box (1 no junction box for 3 no of 1-phase PTs) including control and power supply cabling and required accessories etc., complete as per as per approved drawings, technical specifications and scope of the work. Set 1 14 0.00

12 Erection, testing and commissioning of 12kV, 630A, 25kA for 3 sec, 3-ph double break center rotating type (DBCR), Gang Operated, isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per approved drawings, technical specifications and scope of the work including all type of civil works as per approved drawings. (With or Without Earth Switch) Set 2 28 0.00

13 Design, Engineering, erection, testing and commissioning of 12kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Vacuum Circuit breaker along with 12kV, 1-Phase, 600-300-150 Amps/5-5 Amps 3 Nos outdoor type Current Transformers along with junction box (1 no junction box for 3 no of 1-phase CTs)], Jumpers, earthing, supporting structures, maintenance platform, marshalling box, control & Power cabling between VCB and indoor control panel and required accessories complete as per approved drawings, technical specifications and direction of Engineer in Charge and scope of the work including all type of civil works like plinth, footing, etc as per approved drawings. Set 1 14 0.00

14 Design, Engineering providing and installation of ISMC 75 channel on top of indoor trench, erection of panels on ISMC 75 channels, welding, testing and commissioning of 11kV indoor Control & Relay panel along with E/F & O/C relays, control and power supply cabling in trench between field equipment and panels, Mimic Diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays and other components etc as per approved drawings, technical specifications and scope of the work including all type of civil works as per approved drawings. Set 1 14 0.00

15 Erection, testing and commissioning of Bus Bar with ACSR Zebra Conductor & Al Pipes including jumpers to various equipment using 11 kV and 33 kV insulators, GI Pin, GI Hardware fittings, PG Clamps, T-connectors etc as required as per approved drawings, specifications and scope of the work as per requirement. Lot per Transformer 1 14 0.00

16 Excavation, erection, testing and commissioning of 40 mm dia, 3000 mm long GI pipe earth electrode by providing test link, RCC pit, RCC cover, placed on GI frame, bentonite powder and other accessories complete as per approved drawings, technical specifications and scope of the work for power transformer neutral, station transformer neutral, lightening arresters direct earthing. Set 6 84 0.00

17 Erection, testing and Commissioning of 12 kV, 1-Phase, 11 kV/110 volt, Single core outdoor type Potential transformer along with junction box (1 no junction box for 3 no of 1-phase PTs) including control and power supply cabling and required accessories etc, complete as per as per approved drawings, technical specifications and scope of the work including all type of civil works as per approved drawings. Set 1 14 0.00

18 Laying, testing and commissioning of Power Cables in cable and Control Cables in trench/pipes/underground/overhead laying including their termination at indoor/outdoor terminals including supply of glands, lugs, cable ties, tagging etc as required as per Technical Specification, approved Drawing & Scope of works Lot per Transformer 1 14 0.00

B 11 kV Outdoor Bay Extension No 14

1 Design, engineering and construction of cement concrete Cable Trench of 0.75 Mtr wide, 1.0 Mtr. depth, precast RCC Trench Cover, Water slop, cable supporting angles including Labour, Reinforcement Steel, GI angles, Flats, Steel Frame Work, Excavation etc, all complete as per Technical Specification, approved Drawing & Scope of works. [Payment shall be made as per actual] R/Mtr 15 210 0.00

2 Antiweded treatment and stone spreading in switchyard area excluding road, Cable trench, Drainage etc (Stone Spreading 6 inches over 4 inches lean cement concrete layer as per technical specification, approved desgn and drawing and as per directon of Engineer in Charge. (payment will be made as per actual requirement per Square meter) Sq. m 100 1400 0.00

3 Excavation, erection, cement concrete foundation, testing and commissioning of all type of lattice structures i.e. Gantry/Swing bus/isolator/CT/PT/PI etc. made of joist / channel / angle / flat of different sections by providing and using Foundation Bolts, Nuts, Bolts, Washers etc as per approved drawings and direction of Engineer in Charge complete in all respect. MT 2.5 35 0.00

4 Design, Engineering, erection, testing and commissioning of 12kV, 1250A, 25kA for 3 seconds, 3-ph, Outdoor type Vacuum Circuit breaker along with 12kV, 1-Phase, 600-300-150 Amps/5-5 Amps 3 Nos outdoor type Current Transformers along with junction box (1 no junction box for 3 no of 1-phase CTs)], Jumpers, earthing, supporting structures, maintenance platform, marshalling box, control & Power cabling between VCB and indoor control panel and required accessories complete as per approved drawings, technical specifications and direction of Engineer in Charge and scope of the work including all type of civil works like plinth, footing, etc as per approved drawings. Nos 1 14 0.00

5 Design, Engineering providing and installation of ISMC 75 channel on top of indoor trench, erection of panels on ISMC 75 channels, welding, testing and commissioning of 11kV indoor Control & Relay panel along with E/F & O/C relays, control and power supply cabling in trench between field equipment and panels, Mimic Diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays and other components etc as per approved drawings, technical specifications and scope of the work for controlling. [ 11 kV C&R Panel (without diffirential relays) and DLMS Trivector Static Energy Meter complete ] Set 1 14 0.00

6 Erection, testing and Commissioning of 12 kV, 1-Phase, 11 kV/110 volt, Single core outdoor type Potential transformer along with junction box (1 no junction box for 3 no of 1-phase PTs) including control and power supply cabling and required accessories etc, complete as per as per approved drawings, technical specifications and scope of the work including all type of civil works as per approved drawings. Set 1 14 0.00

7 Excavation, laying, welding, refilling, earthing & grounding of MS Flat as per Approved drawing and erection of riser up to various equipment/structures as per scope of the work, specifications and approved drawings, LS per bay 1 14 0.00

8 Excavation, erection, testing and commissioning of 40 mm dia, 3000 mm long GI pipe earth electrode by providing test link, RCC pit, RCC cover, placed on GI frame, bentonite powder and other accessories complete as per approved drawings, technical specifications and scope of the work for power transformer neutral, station transformer neutral, lightening arresters direct earthing. Set 3 42 0.00

9 Erection, testing and commissioning of 12kV, 630A, 25kA for 3 sec, 3-ph double break center rotating type (DBCR), Gang Operated, with or without earth switch isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per approved drawings, technical specifications and scope of the work, Set 1 14 0.00

10 Erection, testing and Commissioning of 9 kV, 10kA, 1-ph Station Class Lightening Arresters, jumpering from bus bar, hardware etc as required, as per approved drawings, technical specifications and scope of the work, (1 Set=3 Nos) Set 1 14 0.00

11 Erection, testing and commissioning of Bus Bar, jumpering and Dropper (Using Al Pipes/Zebra Conductor), by using all types of insulators, clamps and connectors, Al tape etc. with all accessories complete in all respect. LS Per Bay 1 14 0.00

C 33 kV XLPE Under Ground Cable Mtr 560

1 Laying, termination/jointing, Erection, Testing & commissioning of 33 kV grade 3-core 400 Sqmm XLPE power cable in cable trench as per standard practise complete in all respect along with all accessories, earthing etc and as per TS. Mtr 48 336 0.00

2 Raising & looping of 33 kV grade 3-core 400 Sqmm XLPE power cable at both end as per standard practise with the help of GI pipe, Galvanized pre-fabricated items, holding clamp, etc complete in all respect along with all accessories, earthing etc and as per TS. Mtr 32 224 0.00

3 Erection, testing & commissioning of Galvanized pre-fabricated steel items like top clamp, DC cross arm, bracket, clamps, cross bracings, bracings, strain plate, guarding channels, back clamp, etc made of GI Channels, GI angle, GI flats of given sizes for over head structures and GI nuts, bolts & washers as per technical specification, approved drawings and scope of work. MT 0.14 0.98 0.00

4 Excavation, erection, testing and commissioning of 40 mm dia, 3000 mm long GI pipe earth electrode by providing test link, RCC pit, RCC cover, placed on GI frame, bentonite powder and other accessories complete as per approved drawings, technical specifications and scope of the work for power transformer neutral, station transformer neutral, lightening arresters direct earthing. Set 1 7 0.00

D 11 kV XLPE Under Ground Cable Mtr 640

1 Laying, termination/jointing, Erection, Testing & commissioning of 33 kV grade 3-core 400 Sqmm XLPE power cable in cable trench as per standard practise complete in all respect along with all accessories, earthing etc and as per TS. Mtr 48 384 0.00

2 Raising & looping of 33 kV grade 3-core 400 Sqmm XLPE power cable at both end as per standard practise with the help of GI pipe, Galvanized pre-fabricated items, holding clamp, etc complete in all respect along with all accessories, earthing etc and as per TS. Mtr 32 256 0.00

3 Erection, testing & commissioning of Galvanized pre-fabricated steel items like top clamp, DC cross arm, bracket, clamps, cross bracings, bracings, strain plate, guarding channels, back clamp, etc made of GI Channels, GI angle, GI flats of given sizes for over head structures and GI nuts, bolts & washers as per technical specification, approved drawings and scope of work. MT 0.14 1.12 0.00

4 Excavation, erection, testing and commissioning of 40 mm dia, 3000 mm long GI pipe earth electrode by providing test link, RCC pit, RCC cover, placed on GI frame, bentonite powder and other accessories complete as per approved drawings, technical specifications and scope of the work for power transformer neutral, station transformer neutral, lightening arresters direct earthing. Set 1 8 0.00

Grand Total 0.00

Turnkey Contract for Installation of 14 nos. of additional 5 MVA Departmental Power Transformer along with associated 33 kV & 11 kV Protection System and 11 kV Bay at different Power Sub Station in Electric Supply Circle, Begusarai, Darbhanga, Saharsa, Kishanganj and Purnea under O&M capital head/ Internal Resource Fund (IRF), O&M Department, NBPDCL.

NIT No:- 41/PR/NBPDCL/2026

(GRAND SUMMARY)

Bidder's Name and Address: 0.00

Sl. No. Description Cost

1 TOTAL SCHEDULE NO. 1: Ex Works Price with F&I of Materials

a Total Ex-works Price exclusive of GST 0.00

2 TOTAL SCHEDULE NO.2 : Installation / Erection Charges

a Total Erection Price exclusive of GST 0.00

3 Total Price for Evaluation [3=1a+2a] 0.00

4 Applicable GST @ 18%(CGST @9 %+ SGST@9 %) 0.00

5 Total Price for Award [5=3+4] 0.00