Power Boards / Undertakings / PSU Closing in 8 days TDR #54761049

Tender For 220Kv Gis And Pothead Yard Of 240 Mw Heo Hydro Electric Project, Arunachal Pradesh

Issued by Boards / Undertakings / PSU · West Siang, Arunachal Pradesh

Tender Value

35.49 Crore

Estimated cost

Bid Submission

09 Jul 2026

8 days left

EMD

71 Lakhs

Bank guarantee accepted

Document Fee

11800

Non-refundable

Tender Type

Online

Tender Overview

Organization

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Tender ID

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Competition Type

NCB

Bidding Type

Tender

Location / State

West Siang → Arunachal Pradesh

EMD Exemption

Available

Quantity

Not Available

Website

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Contact Person

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Address

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Project Description

Tender for 220Kv Gis And Pothead Yard Of 240 Mw Heo Hydro Electric Project, Arunachal Pradesh

Corrigendum

Sr No	Corrigendum Date	Corrigendum	Type	New Submission Date
1	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	16-Apr-2026
2	16-Apr-2026	Corrigendum No2 dtd 16.04.2026	Date	30-Apr-2026
3	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	30-Apr-2026
4	30-Apr-2026	Corrigendum No.3 dtd 30.04.2026	Date	14-May-2026
5	24-Apr-2026	Record Notes of Discussion dtd 16.04.2026	Other	14-May-2026
6	16-Apr-2026	Corrigendum No2 dtd 16.04.2026	Date	30-Apr-2026
7	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	14-May-2026
8	29-May-2026	Corrigendum No.6 dtd 29.05.2026	Date	11-Jun-2026
9	26-May-2026	Corrigendum No.5 dtd 26.05.2026	Other	11-Jun-2026
10	15-May-2026	Corrigendum No.04 dtd 15.05.2026	Date	28-May-2026
11	30-Apr-2026	Corrigendum No.3 dtd 30.04.2026	Date	14-May-2026
12	24-Apr-2026	Record Notes of Discussion dtd 16.04.2026	Other	11-Jun-2026
13	16-Apr-2026	Corrigendum No2 dtd 16.04.2026	Date	30-Apr-2026
14	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	11-Jun-2026
15	15-May-2026	Corrigendum No.04 dtd 15.05.2026	Date	28-May-2026
16	30-Apr-2026	Corrigendum No.3 dtd 30.04.2026	Date	14-May-2026
17	24-Apr-2026	Record Notes of Discussion dtd 16.04.2026	Other	28-May-2026
18	16-Apr-2026	Corrigendum No2 dtd 16.04.2026	Date	30-Apr-2026
19	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	28-May-2026
20	12-Jun-2026	Corrigendum No.8 dtd 12.06.2026	Date	25-Jun-2026
21	04-Jun-2026	Pre Bid Commercial Clarification No.1 dtd 04.06.2026	Other	25-Jun-2026
22	02-Jun-2026	Corrigendum No.7 dtd 02.06.2026	Other	25-Jun-2026
23	29-May-2026	Corrigendum No.6 dtd 29.05.2026	Date	11-Jun-2026
24	26-May-2026	Corrigendum No.5 dtd 26.05.2026	Other	25-Jun-2026
25	15-May-2026	Corrigendum No.04 dtd 15.05.2026	Date	28-May-2026
26	30-Apr-2026	Corrigendum No.3 dtd 30.04.2026	Date	14-May-2026
27	24-Apr-2026	Record Notes of Discussion dtd 16.04.2026	Other	25-Jun-2026
28	16-Apr-2026	Corrigendum No2 dtd 16.04.2026	Date	30-Apr-2026
29	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	25-Jun-2026
30	04-Jun-2026	Pre Bid Commercial Clarification No.1 dtd 04.06.2026	Other	09-Jul-2026
31	02-Jun-2026	Corrigendum No.7 dtd 02.06.2026	Other	09-Jul-2026
32	29-May-2026	Corrigendum No.6 dtd 29.05.2026	Date	11-Jun-2026
33	26-May-2026	Corrigendum No.5 dtd 26.05.2026	Other	09-Jul-2026
34	25-Jun-2026	Corrigendum No.09 dtd 25.06.2026	Date	09-Jul-2026
35	15-Jun-2026	Pre Bid Technical Clarification N.01 Dtd 15.06.2026	Other	09-Jul-2026
36	12-Jun-2026	Corrigendum No.8 dtd 12.06.2026	Date	25-Jun-2026
37	15-May-2026	Corrigendum No.04 dtd 15.05.2026	Date	28-May-2026
38	30-Apr-2026	Corrigendum No.3 dtd 30.04.2026	Date	14-May-2026
39	24-Apr-2026	Record Notes of Discussion dtd 16.04.2026	Other	09-Jul-2026
40	16-Apr-2026	Corrigendum No2 dtd 16.04.2026	Date	30-Apr-2026
41	24-Mar-2026	Corrigendum No.1 dtd 24.03.2026	Other	09-Jul-2026

BOQ

Name of Work:- 220KV GIS and Pothead yard of 240 MW Heo Hydro Electric Project, Arunachal Pradesh

Sl. No.	Item Description
1	Total from Price Schedule II (SUPPLY)
2	Total from Price Schedule III (F&I)
3	Total from Price Schedule IV (ETC)
4	220kV GAS INSULATED SWITCHGEAR (GIS): 245 kV, 3150A, 50kA, 3 Ph, 50Hz, Gas Insulated metal enclosed Switchgear (GIS) having double bus and with the following arrangement of bays and other details as per technical specification and enclosed SLD & Layout drawings and as below:
5	245kV, 3 Ph units, SF6 gas insulated, metal enclosed 3150A bus bars running along the length of the switchgear to interconnect the envisaged circuit breaker bay modules. Each bus bar set shall be complete with voltage transformers, safety grounding switch, bay marshalling box, support structure, SF6 gas monitoring system LCC etc. and suitable for future extension (if any) at both ends.
6	245kV, 3150A Generator Transformer bay module complete with bus isolators & Earth switch, CB, 6 core CTs, Earth switch, Line side isolator, high speed earth switch, surge arrestor with surge counter, marshalling box, SF6 gas monitoring system for complete bay, LCC etc as required.
7	245kV, 3150A Station Service Transformer (SST) bay module complete with bus isolators & Earth switch, CB, 6 core CTs, Earth switch, Line side isolator, high speed earth switch, surge arrestor with surge counter, marshalling box, SF6 gas monitoring system for complete bay, LCC etc as required.
8	A set of GIB connections between GIS module and associated three numbers single-phase step-up transformers for each Generator Transformer bay, SST, each GIB is rated for 245kV 3150A as per Layout Drawings attached with the tender document. Each set of Gas Insulated Busbars (GIB) shall be complete with required gas monitoring system, safety grounding, flexible bellows/expansion joints, bends/elbows, non-magnetic support structures etc. as required to complete the installation and for its safe working.
9	245kV, 3150A Bus coupler bay module complete with Bus isolators and earthing switches, CB, 6 core CTs, SF6 gas monitoring system, marshalling box, LCC etc. in line with Technical specification.
10	245kV, 3150A Line Bay modules complete with Bus Isolators & Earthing switch, CB, 6 core CTs, earthing switch, line side isolator with high speed E/S, marshalling box, SF6 gas monitoring system, LCC etc. for complete bay.
11	245kV, a set of 3 single phase (Isolated) Gas Insulated metal enclosed 3150A Busbars (GIB) each enclosed in bus enclosures and connecting the line bay module to respective SF6 to AIS bushing as per layout drawing attached with the tender document.SF6 to AIS Bushing also forms part of this item. Each set of Gas Insulated Bus bars (GIB) shall be complete with required gas monitoring system, safety grounding, bends/elbows, non-magnetic support structures, flexible bellows/ expansion joints (if required).
12	POTHEAD YARD EQUIPMENT
13	245 kV Pothead yard consisting of the following equipment
14	212kV,216kV MCOV, Class 4, 20kA rated discharge, single phase station class, ZnO surge arrestor complete with surge counter/ leakage meter, terminal connector, mounting structure etc.
15	245 kV, 3150A, 3 phase gang operated, Disconnector along with live side Earth switch, support insulators, terminal connectors, support structure & operating mechanism as per technical specifications
16	245kV, Bus Post Insulator with Al pipe holding clamp, mounting structure etc.
17	245kV, 1200A, 0.625mH, single phase Line Traps complete with pedestal, support insulators and mounting structure etc.
18	245kV, 4400pF, 3 core single phase line capacitive voltage transformers, ratio 220/√3kV- 110/√3V- 110/√3V- 110/√3Vcomplete with mounting structures, marshalling box, terminal box etc. as per tender specification. Insulator shall be rated for 1050kVp BIL as per IEC.
19	GI Structure for the termination gantries, lightening protection, earthing, busbar/al tube etc. as required
20	PLCC SYSTEM
21	PLCC equipment for both ends inclusive of the following
22	PLCC Boards consisting of line coupling filters, Redundant PLCC system, Tele protection device, Digital Multiplexer, Data Modem, 75-ohm HF cable, space heaters, exchange, telephones etc.
23	OTHER
24	Special Erection/Maintenance Tools and Tackles
25	Mandatory Spare Parts – Switchyard Equipment (as per Technical Specifications );
26	Grounding conductor/Cable/wire along with associated accessories for grounding of all non-current carrying items of equipment, transformer neutrals, Gen neutrals etc.
27	220kV GAS INSULATED SWITCHGEAR (GIS)245 kV, 3150A, 50kA, 3 Ph, 50Hz, Gas Insulated metal enclosed Switchgear (GIS) having double bus and with the following arrangement of bays and other details as per technical specification and enclosed SLD & Layout drawings and as below:
28	245kV, 3 Ph units, SF6 gas insulated, metal enclosed 3150A bus bars running along the length of the switchgear to interconnect the envisaged circuit breaker bay modules. Each bus bar set shall be complete with voltage transformers, safety grounding switch, bay marshalling box, support structure, SF6 gas monitoring system LCC etc. and suitable for future extension (if any) at both ends.
29	245kV, 3150A Generator Transformer bay module complete with bus isolators & Earth switch, CB, 6 core CTs, Earth switch, Line side isolator, high speed earth switch, surge arrestor with surge counter, marshalling box, SF6 gas monitoring system for complete bay, LCC etc as required.
30	245kV, 3150A Station Service Transformer (SST) bay module complete with bus isolators & Earth switch, CB, 6 core CTs, Earth switch, Line side isolator, high speed earth switch, surge arrestor with surge counter, marshalling box, SF6 gas monitoring system for complete bay, LCC etc as required.
31	A set of GIB connections between GIS module and associated three numbers single-phase step-up transformers for each Generator Transformer bay, SST, each GIB is rated for 245kV 3150A as per Layout Drawings attached with the tender document. Each set of Gas Insulated Busbars (GIB) shall be complete with required gas monitoring system, safety grounding, flexible bellows/expansion joints, bends/elbows, non-magnetic support structures etc. as required to complete the installation and for its safe working.
32	245kV, 3150A Bus coupler bay module complete with Bus isolators and earthing switches, CB, 6 core CTs, SF6 gas monitoring system, marshalling box, LCC etc. in line with Technical specification.
33	245kV, 3150A Line Bay modules complete with Bus Isolators & Earthing switch, CB, 6 core CTs, earthing switch, line side isolator with high speed E/S, marshalling box, SF6 gas monitoring system, LCC etc. for complete bay.
34	245kV, a set of 3 single phase (Isolated) Gas Insulated metal enclosed 3150A Busbars (GIB) each enclosed in bus enclosures and connecting the line bay module to respective SF6 to AIS bushing as per layout drawing attached with the tender document.SF6 to AIS Bushing also forms part of this item. Each set of Gas Insulated Bus bars (GIB) shall be complete with required gas monitoring system, safety grounding, bends/elbows, non-magnetic support structures, flexible bellows/ expansion joints (if required).
35	POTHEAD YARD EQUIPMENT
36	245 kV Pothead yard consisting of the following equipment
37	212kV,216kV MCOV, Class 4, 20kA rated discharge, single phase station class, ZnO surge arrestor complete with surge counter/ leakage meter, terminal connector, mounting structure etc.
38	245 kV, 3150A, 3 phase gang operated, Disconnector along with live side Earth switch, support insulators, terminal connectors, support structure & operating mechanism as per technical specifications
39	245kV, Bus Post Insulator with Al pipe holding clamp, mounting structure etc.
40	245kV, 1200A, 0.625mH, single phase Line Traps complete with pedestal, support insulators and mounting structure etc.
41	245kV, 4400pF, 3 core single phase line capacitive voltage transformers, ratio 220/√3kV- 110/√3V- 110/√3V- 110/√3Vcomplete with mounting structures, marshalling box, terminal box etc. as per tender specification. Insulator shall be rated for 1050kVp BIL as per IEC.
42	GI Structure for the termination gantries, lightening protection, earthing, busbar/al tube etc. as required
43	PLCC SYSTEM
44	PLCC equipment for both ends inclusive of the following
45	PLCC Boards consisting of line coupling filters, Redundant PLCC system, Tele protection device, Digital Multiplexer, Data Modem, 75-ohm HF cable, space heaters, exchange, telephones etc.
46	OTHER
47	Special Erection/Maintenance Tools and Tackles
48	Mandatory Spare Parts – Switchyard Equipment (as per Technical Specifications );
49	Grounding conductor/Cable/wire along with associated accessories for grounding of all non-current carrying items of equipment, transformer neutrals, Gen neutrals etc.
50	220kV GAS INSULATED SWITCHGEAR (GIS)245 kV, 3150A, 50kA, 3 Ph, 50Hz, Gas Insulated metal enclosed Switchgear (GIS) having double bus and with the following arrangement of bays and other details as per technical specification and enclosed SLD & Layout drawings and as below:
51	245kV, 3 Ph units, SF6 gas insulated, metal enclosed 3150A bus bars running along the length of the switchgear to interconnect the envisaged circuit breaker bay modules. Each bus bar set shall be complete with voltage transformers, safety grounding switch, bay marshalling box, support structure, SF6 gas monitoring system LCC etc. and suitable for future extension (if any) at both ends.
52	245kV, 3150A Generator Transformer bay module complete with bus isolators & Earth switch, CB, 6 core CTs, Earth switch, Line side isolator, high speed earth switch, surge arrestor with surge counter, marshalling box, SF6 gas monitoring system for complete bay, LCC etc as required.
53	245kV, 3150A Station Service Transformer (SST) bay module complete with bus isolators & Earth switch, CB, 6 core CTs, Earth switch, Line side isolator, high speed earth switch, surge arrestor with surge counter, marshalling box, SF6 gas monitoring system for complete bay, LCC etc as required.
54	A set of GIB connections between GIS module and associated three numbers single-phase step-up transformers for each Generator Transformer bay, SST, each GIB is rated for 245kV 3150A as per Layout Drawings attached with the tender document. Each set of Gas Insulated Busbars (GIB) shall be complete with required gas monitoring system, safety grounding, flexible bellows/expansion joints, bends/elbows, non-magnetic support structures etc. as required to complete the installation and for its safe working.
55	245kV, 3150A Bus coupler bay module complete with Bus isolators and earthing switches, CB, 6 core CTs, SF6 gas monitoring system, marshalling box, LCC etc. in line with Technical specification.
56	245kV, 3150A Line Bay modules complete with Bus Isolators & Earthing switch, CB, 6 core CTs, earthing switch, line side isolator with high speed E/S, marshalling box, SF6 gas monitoring system, LCC etc. for complete bay.
57	245kV, a set of 3 single phase (Isolated) Gas Insulated metal enclosed 3150A Busbars (GIB) each enclosed in bus enclosures and connecting the line bay module to respective SF6 to AIS bushing as per layout drawing attached with the tender document.SF6 to AIS Bushing also forms part of this item. Each set of Gas Insulated Bus bars (GIB) shall be complete with required gas monitoring system, safety grounding, bends/elbows, non-magnetic support structures, flexible bellows/ expansion joints (if required).
58	POTHEAD YARD EQUIPMENT
59	245 kV Pothead yard consisting of the following equipment
60	212kV,216kV MCOV, Class 4, 20kA rated discharge, single phase station class, ZnO surge arrestor complete with surge counter/ leakage meter, terminal connector, mounting structure etc.
61	245 kV, 3150A, 3 phase gang operated, Disconnector along with live side Earth switch, support insulators, terminal connectors, support structure & operating mechanism as per technical specifications
62	245kV, Bus Post Insulator with Al pipe holding clamp, mounting structure etc.
63	245kV, 1200A, 0.625mH, single phase Line Traps complete with pedestal, support insulators and mounting structure etc.
64	245kV, 4400pF, 3 core single phase line capacitive voltage transformers, ratio 220/√3kV- 110/√3V- 110/√3V- 110/√3Vcomplete with mounting structures, marshalling box, terminal box etc. as per tender specification. Insulator shall be rated for 1050kVp BIL as per IEC.
65	GI Structure for the termination gantries, lightening protection, earthing, busbar/al tube etc. as required
66	PLCC SYSTEM
67	PLCC equipment for both ends inclusive of the following
68	PLCC Boards consisting of line coupling filters, Redundant PLCC system, Tele protection device, Digital Multiplexer, Data Modem, 75-ohm HF cable, space heaters, exchange, telephones etc.
69	OTHER
70	Grounding conductor/Cable/wire along with associated accessories for grounding of all non-current carrying items of equipment, transformer neutrals, Gen neutrals etc.
71	Any Additional Spares required for 5-year trouble free operation period as recommended by Bidder over and above Mandatory Spares. List to be furnished along with price for consideration of the Employer. Notes: 1. The Above PRICE SCHEDULE V will not be considered for evaluation of L1 price. 2. The above price schedule shall also be submitted along with Techno-Commercial offer without indicating the prices. 3. Details of item description(without Price) at Sl.No.1 shall be submitted with Techno-Commercial Offer Please Enable Macros to View BoQ information

AI Tender Summary

OUR REF NO 54761049

AUTHORITY Boards / Undertakings / PSU

TENDER VALUE 35.49 Crore

LAST DATE 09-07-2026

Authority

Authority Name North Eastern Electric Power Corporation Limited

Work Description Tender for 220Kv Gis And Pothead Yard Of 240 Mw Heo Hydro Electric Project, Arunachal Pradesh

Basic Detail

Tender No NIB No.490 dtd 19.03.2026

Bidding Type Tender

Location

City West Siang

State Arunachal Pradesh

Key Dates

Publish Date 04 Jun 2026

Submission Date 09 Jul 2026

Open Date 01 Jan 0001

Finance

Tender Value 35.49 Crore

Tender Fee 11800

EMD 71 Lakhs

Exemption Available

Document List

BOQ_317519.xls

d48a323c-0e17-4224-9ea2-a1994802c81e.html

Tendernotice_1 (1).pdf

VoLIITechnicalDocument.rar

VoLITermsAndConditions.rar

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Tender Timeline

Jun 04, 2026

11:30 IST

Tender Published

Tender notice published.

Completed

Apr 16, 2026

18:00 IST