TenderDekho Logo
GEM

NHPC Tanakpur Power Station Transformer Tender 3 Phase up to 200 KVA IS 1180 2014 Uttarakhand 2025

Bid Publish Date

29-Dec-2025, 11:15 am

Bid End Date

14-Jan-2026, 11:00 am

EMD

₹15,000

Value

₹7,55,672

Location

CHAMPAWAT , UTTARAKHAND

Progress

Issue29-Dec-2025, 11:15 am
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

2

Bid Type

Two Packet Bid

Categories 8

HIGH VOLTAGE DISTRIBUTION SYSTEM DIRECT TRANSFORMER DISTRIBUTION TRANSFORMER ELECTRICAL SUBSTATION STATIC CONVERTERS TRANSFORMER SUPPLY ELECTRICAL DISTRIBUTION SYSTEM SUB STATION

Tender Overview

NHPC Tanakpur Power Station, Central Stores Division invites bids for a Distribution Transformer, 3 Phase, Up to 200 KVA within the Uttarakhand region. Estimated value is ₹755,672.00 with an EMD of ₹15,000. Delivery and installation at the NHPC Tanakpur Stores complex are required, with compliance to detailed standards and tests. The scope includes performance under IS 1180 (Part 1):2014, frontage of BEE energy efficiency requirements, and suitable optional fittings. The tender emphasizes sound mechanical construction, corrosion resistance, and adherence to safety/quality norms, including performance and warranty criteria. The winning bidder must comply with the Integrity Pact and submit GST, PAN, and EFT documents. Unique aspects include extensive testing, sound level, and ATC compliance to buyer terms.

Technical Specifications & Requirements

  • Category: Standards – Energy efficiency level; BEE Star Rating; Installation, Testing and Demonstration; Minimum warranty on receipt of stores; Minimum warranty from date of installation (0 if applicable).
  • Ratings: Nominal system voltage HV and LV, standard ratings up to 200 KVA, minimum insulation level (kVP), no-load voltage ratios, highest system voltage, rated lightning impulse withstand voltage per IS:1180 (Part 1):2014 Annex-D.
  • Construction: Core material, winding conductor, mounting type, earthing method, noise level at rated voltage/frequency.
  • Transformer Tank: Tank cover/configuration/material/thickness; bolts/nuts/washers; gaskets; conservator provision; painting types per IS 1180 guidance.
  • Terminals & Fittings: HV/LV bushings, cable end boxes, air clearance, bimetallic connectors; marking plates; combined rating/terminal plate.
  • Optional Fittings: Dehydrating breather, filter valve, lightning arrestors, bird guard, terminal connectors, non-return valve, pressure relief/explosion vent up to 200 KVA, protection relay for sealed types, anti-theft fasteners, drain/sampling valve, self-protection devices.
  • Tests & Certifications: Type test reports, sound level test, no-load current at 112.5% voltage, paint adhesion, oil BDV/moisture; other required tests.
  • Service Condition: Maximum altitude specification; installation/commissioning at the NHPC site may be required.
  • Warranties and performance criteria are specified to ensure compliance and after-sale support.

Terms, Conditions & Eligibility

  • EMD: ₹15,000 mandatory; payable as per tender terms.
  • Documents: PAN, GST registration, Cancelled Cheque, EFT Mandate; Integrity Pact signed/uploaded.
  • Delivery & Installation: On-site delivery and commissioning at NHPC Tanakpur Stores, Uttarakhand.
  • Payment Terms: As per buyer terms; ensure compliance with local payment cycles.
  • Experience & Certifications: Demonstrated capability in transformer supply; adherence to IS 1180 and associated standards.
  • Warranty: Minimum warranty obligations on receipt and/or post-installation as specified; non-compliance may invoke penalties.
  • Testing & Compliance: Availability of type test reports and special test reports as listed; conformity with all specified tests.

Key Specifications

  • 3-Phase distribution transformer up to 200 KVA

  • IS 1180 (Part 1):2014 Annex-D compliant lightning impulse withstand

  • Minimum insulation level (kVP) and highest system voltage (kV)

  • Nominal HV and LV system voltages; no-load current at 112.5% voltage

  • Tank material, wall thickness, and painting per IS 1180 guidance

  • Optional fittings: dehydrating breather, pressure relief device, protection relay

  • Type test reports and sound level test reports available on demand

Terms & Conditions

  • EMD of ₹15,000; GST and PAN must be provided with bid

  • On-site delivery and installation at NHPC Tanakpur Stores, Uttarakhand

  • Integrity Pact compliance and OEM authorizations where required

Important Clauses

Payment Terms

Payment terms to be as per buyer, with EMD adherence; ensure EFT/Mandate documentation

Delivery Schedule

Delivery and commissioning at Central Stores Division, NHPC Tanakpur Power Station, Uttarakhand

Penalties/Liquidated Damages

Penalties for delays or non-compliance per buyer terms; reference to installation/commissioning schedule

Bidder Eligibility

  • Experience in supplying transformers up to 200 KVA

  • Compliance with IS 1180 standards and testing requirements

  • GST registration and valid PAN; ability to upload Integrity Pact

Past Similar Tenders (Historical Results)

5 found

Distribution Transformer, 3 Phase, Up to and including 200 KVA

Eastern Railway

MALDA, WEST BENGAL

Posted: 27 June 2025
Closed: 8 July 2025
GEM

Distribution Transformer, 3 Phase, Up to and including 200 KVA

Nuclear Power Corporation Of India Limited

TIRUNELVELI, TAMIL NADU

Posted: 17 November 2025
Closed: 8 December 2025
GEM

Eastern Railway Distribution Transformer Tender 3 Phase Up to 200 KVA Malda West Bengal 2025

Eastern Railway

MALDA, WEST BENGAL

Posted: 27 November 2025
Closed: 8 December 2025
GEM

Distribution Transformer, 3 Phase, Up to and including 200 KVA

Eastern Railway

MALDA, WEST BENGAL

Posted: 8 May 2025
Closed: 19 May 2025
GEM

Distribution Transformer, 3 Phase, Up to and including 200 KVA

Tripura State Electricity Corporation Limited

WEST TRIPURA, TRIPURA

Posted: 30 May 2025
Closed: 4 July 2025
GEM

Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
STANDARDS Energy efficiency level 1
STANDARDS BEE Star Rating 1
STANDARDS Installation, Testing and Demonstration No
STANDARDS Minimum warranty (in Months) on receipt of stores, irrespective of the date of installation 30, 42, 54, 66, 78, 60, 36 Or higher
STANDARDS Minimum warranty (in Months) from the date of installation (Note: If "0" is selected, "Minimum warranty (in Months) on receipt of stores" shall still be applicable irrespective of the date of installation 24
RATINGS Nominal system voltage, HV ( in kV) 11
RATINGS Nominal system voltage, LV ( in V) 433
RATINGS Standard ratings (in kVA) 100
RATINGS Minimum basic insulation level (in kVP) 75
RATINGS No load voltage ratios (in Volts) 11000/433-250
RATINGS Highest system voltage for equipment (in kV) 12
RATINGS Rated lightning impulse withstand voltage (in kV Peak) (Refer IS:1180 (Part 1):2014 Annex-D) 60
CONSTRUCTION Core mateial CRGO (as per IS:3024 latest)
CONSTRUCTION Conductor (Winding) material Copper
CONSTRUCTION Type of Mounting Ground Mounted
CONSTRUCTION Method of system earthing effectively earthed system
CONSTRUCTION Noise level at rated voltage and freqeuncy, Maximum (in dB) 45
TRANSFORMER TANK Transformer tank cover construction Non-sealed, Bolted
TRANSFORMER TANK Tank configuration with With radiator fins
TRANSFORMER TANK Material of transformer tank Mild Steel
TRANSFORMER TANK Minimum thickness of top and bottom material of transformer tank (in mm) 5
TRANSFORMER TANK Minimum thickness of side material of transformer tank (in mm) 3.15
TRANSFORMER TANK Material of Bolts/Nuts/Wahers exposed to atmosphere Stainless steel (for upto 12 mm size)
TRANSFORMER TANK Gaskets wherever used shall conform to Type III (as per IS:11149) Type C (as per IS:4253 (Pt.2)
TRANSFORMER TANK Provision of conservator Yes , for Non sealed type with Plain tank construction
PAINTING Type of painting on inside of tank (hint: Refer Table 12 of IS:1180 (Pt.1):2014) Oil resistant paint
PAINTING Type of painting on External surface of tank Epoxy (Primer)
TAP CHANGER Tap changing arrangement Not applicable
TAP CHANGER Winding tapped HV
TAP CHANGER No. of positions (in Nos.) 7
TAP CHANGER Voltage variation Not applicable
TERMINAL ARRANGEMENT Transformer fitted with bushings of appropriate voltage and curent ratings on HV side Yes. 3 Nos. (Conforming to IS:2099)
TERMINAL ARRANGEMENT Transformer fitted with bushings of appropriate voltage and curent ratings on LV side Yes. 4 Nos. (Conforming to IS:7421)
TERMINAL ARRANGEMENT Suitable provision for adoption of cables of suitable size on LV side Yes. For PVC/XLPE Cables
TERMINAL ARRANGEMENT Cable End Box on HV side No
TERMINAL ARRANGEMENT Cable End Box on LV side Yes
AIR CLEARANCE Minimum air clearances in cable box Without cable box
AIR CLEARANCE Suitable bimetallic connectors (clamp type) shall be provided on both HV and LV side in order to ensure sound and robust connection Not applicable
MARKING Material of rating plate Stainless steel
MARKING Marking method on rating plate Engraved
MARKING Rating and terminal marking plates combined into one plate Yes
OPTIONAL FITTINGS Dehydrating breather in lieu of plain breathing device for transformers No
OPTIONAL FITTINGS Filter Valve for transformers No
OPTIONAL FITTINGS Suitable rating lightning arrestors No
OPTIONAL FITTINGS Bird guard No
OPTIONAL FITTINGS Terminal connectors No
OPTIONAL FITTINGS Non return valve No
OPTIONAL FITTINGS Pressure relief device or explosion vent (upto 200 KVA doe non-sealed type transformer) No
OPTIONAL FITTINGS Protection relay for sealed type transformers for internal parameters that is pressure, temperature, oil level and gas detection No
OPTIONAL FITTINGS Anti-theft stainless steel fasteners with breakway nut at top cover (upto 200 KVA) No
OPTIONAL FITTINGS Drain cum sampling valve No
OPTIONAL FITTINGS Self protection / disconnection devices No
OPTIONAL FITTINGS Expulsion fuse as disconnection device No
SERVICE CONDITION Maximum altitude <1000 m
TEST REPORTS & CERTIFICATIONS Availability of type test reports to prove the confirmity of the specification from Central Govt. Lab (Govt. Of India)
SPECIAL TEST REPORTS Availability of test report for Determination of sound level test No
SPECIAL TEST REPORTS Availability of test report for No load current at 112.5 % Voltage No
SPECIAL TEST REPORTS Availability of test report for Paint adhesion test No
SPECIAL TEST REPORTS BDV and moisture content of oil in the transformer No
SPECIAL TEST REPORTS Other requirements Losses and Impedance values as per Cl.6.8 and Table 3 of IS:1180 (Part 1):2014 latest

🤖 AI-Powered Bidder Prediction

Discover companies most likely to bid on this tender

Live AI
Historical Data

Required Documents

1

GST certificate

2

PAN card

3

Experience certificates for similar transformer supply

4

Financial statements (as required by buyer)

5

EMD documentation (₹15,000)

6

Technical bid documents demonstrating compliance with IS 1180 standards

7

OEM authorizations (if applicable)

8

Integrity Pact signed/uploaded

Frequently Asked Questions

Key insights about UTTARAKHAND tender market

How to bid for transformer tender in Uttarakhand NHPC?

Bidders should submit GST, PAN, Cancelled Cheque, and EFT Mandate along with bid; provide Integrity Pact and ensure IS 1180 compliance. Include EMD ₹15,000 and mandatory type-test certificates; delivery at NHPC Tanakpur Stores, Uttarakhand.

What documents are required for 200 KVA transformer tender in Uttarakhand?

Provide PAN, GST certificate, Cancelled Cheque, EFT Mandate; Integrity Pact; experience certificates for similar transformers; financial statements; OEM authorizations if applicable; type-test and paint adhesion/test reports as required.

What standards govern the transformer specifications in this tender?

Transformers must comply with IS 1180 (Part 1):2014 Annex-D for impulse withstand, plus energy efficiency and BEE star rating; painting and tank construction per IS 1180 guidance; ensure required test reports are available.

When is the delivery deadline for the transformer supply?

Delivery and commissioning are performed at NHPC Tanakpur Stores, Uttarakhand per Buyer terms; bids must indicate feasibility within the specified delivery window and align with on-site commissioning dates.

What is the EMD amount for this transformer tender in Uttarakhand?

EMD required is ₹15,000; payment method must align with tender terms (DD/online as specified) and accompanies the technical bid; ensure validity through bid submission.

What testing reports are required for compliance in this bid?

Required test reports include type test, no-load current at 112.5% voltage, sound level, paint adhesion, BDV/moisture content; ensure availability and submission with the bid as evidence of conformity.

What is the scope of optional fittings for the transformer?

Optional fittings include dehydrating breather, filter valve, lightning arrestors, bird guard, terminal connectors, pressure relief devices, protection relays, anti-theft fasteners, drain valves and more, to be selected per site and bid terms.

What are the warranty requirements for the transformer tender?

Minimum warranty on receipt of stores and from installation date are specified; if zero, the receipt-based warranty applies; confirm exact warranty duration in the bid submission and ensure post-installation support.