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Eastern Railway ISI Marked Distribution Transformer Tender 11 kV 200-2500 KVA IS 1180 Part 1 2026

Bid Publish Date

31-Jul-2026, 10:57 am

Bid End Date

12-Aug-2026, 6:00 pm

Location

MALDA , WEST BENGAL
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Progress

Issue31-Jul-2026, 10:57 am
AwardPending
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Quantity

2

Bid Type

Single 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

Organization: Eastern Railway (Indian Railways) seeks supply of ISI Marked distribution transformers, 3-phase, rated 11 kV HV and >200 KVA upto 2500 KVA, compliant with IS 1180 (Part 1), in 2026 procurement. Location: Malda, West Bengal, target delivery to SSE/G/MLDT, pin 732102. Bid scope: supply of goods only, with option clause permitting up to 25% quantity variation at contracted rates. Unique ATC demands BIS license with offer and adherence to government inspection via RITES; test certificates from Govt/NABL/ILAC labs required; warranty alignment with GeM terms. Key differentiator: strict compliance to IS 1180 Part 1 and BEE energy efficiency / star rating alongside core/conductor specifications.

Technical Specifications & Requirements

  • Category: ISI Marked distribution transformers; rating range 200 KVA to 2500 KVA; 3-phase; 11 kV nominal HV.
  • Standards: IS 1180 (Part 1); BEE star rating; energy efficiency level requirements; tests per GeM contract.
  • Construction: Core material and winding conductor materials as per ATC; mounting type specified in ATC; voltage variation handling per transformer design.
  • Quality/Testing: GOVT/NABL/ILAC accredited lab tests; materials inspected by RITES; inspection certificate mandatory; warranty terms per GeM contract.

Terms, Conditions & Eligibility

  • EMD: Not disclosed in data; ensure BIS license submission with bid.
  • Delivery: Delivery schedule linked to original order with option to extend per 25% quantity; extended time formula based on original quantity.
  • Documentation: GST & GeM invoice state-specific supply state; warranty certificate; inspection/test certificates; E-Way bill; bank mandate; cancelled cheque; turnover proof for e-invoicing thresholds.
  • Eligibility: Must provide BIS license; dedicated service/support line; escalation matrix; ATC-compliant technical specification document.

Key Specifications

  • Distribution transformer, 3-phase, 11 kV HV, 200 KVA to 2500 KVA

  • ISI Marked to IS 1180 (Part 1)

  • BEE energy efficiency level with star rating

  • Nominal HV: 11 kV; nominal LV in volts as per specification

  • Core material and winding conductor material as per ATC

  • Mounting type as per ATC document

  • Voltage variation handling as per transformer capability

  • Testing by Govt/NABL/ILAC accredited labs; RITES inspection

  • Warranty and post-sale service terms

Terms & Conditions

  • 25% quantity option and extended delivery time as per ATC

  • BIS license mandatory with bid submission

  • Delivery to SSE/G/MLDT, Malda, West Bengal 732102

  • RITES inspection and NABL/ILAC lab testing required

  • GST/GeM invoicing aligned to supply state

Important Clauses

Payment Terms

Payment terms aligned to GeM contract; include GST-compliant invoicing and upon delivery with required certificates

Delivery Schedule

Delivery to commence as per original order; extended delivery time permitted under 25% quantity variation clause; minimum extension 30 days

Penalties/Liquidated Damages

LD clauses and performance bonds as per GeM and ATC terms; penalties for delayed supply to be specified in ATC

Bidder Eligibility

  • BIS license valid for electrical transformers must be provided with bid

  • Evidence of ability to supply ISI Marked transformers as per IS 1180 (Part 1)

  • Capability to supply within 200–2500 KVA range and meet 11 kV HV specification

  • Commitment to RITES inspection and third-party lab testing (NABL/ILAC)

Additional Tender Data

Commercial Details

Tender Category

Goods

Bid To RA

No

Bid To RA Enabled

No

Item Category

Distribution Transformer, 3 Phase, 11 kV, >200 KVA upto and Including 2500 KVA ISI Marked To IS 1180 (Part 1) (Q2)

Delivery Details

Max Delivery Days

45

Delivery Locations

1

Delivery Cities

Maldah

Delivery Pincodes

732102

Delivery Locations

ConsigneeAddressCityStatePincodeQuantityDelivery DaysAdditional Requirement
Aayush Behera732102,DRM Building MaldaMaldahWest Bengal732102245-

Authority Records

MINISTRY OF RAILWAYSEASTERN RAILWAY

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Documents 4

GeM-Bidding-9680615.pdf

Main Document

CATALOG-Specification-1

CATALOG Specification

Other Documents

OTHER

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
STANDARDS Energy efficiency level 2
STANDARDS BEE Star Rating 2
RATINGS Nominal system voltage, HV (in kV) 11
RATINGS Nominal system voltage, LV (in Volt) 415
RATINGS Standard ratings (in kVA) 315
CONSTRUCTION Core material CRGO (as per IS:3024 latest)
CONSTRUCTION Conductor (Winding) material Copper
CONSTRUCTION Type of Mounting Ground Mounted
TAP CHANGER Voltage variation +5% to -10% in steps of 2.5% for variation of HV

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Required Documents

1

GST certificate

2

PAN card

3

Experience certificates

4

Financial statements

5

EMD/Security deposit documents (as applicable)

6

Technical bid documents

7

OEM authorizations (if applicable)

8

BIS license

9

Warranty certificate

10

RITES inspection report (if available)

Frequently Asked Questions

Key insights about WEST BENGAL tender market

How to bid for the transformer tender in West Bengal with ISI marking

Bidders must submit a BIS license with the offer, ISI Marked transformers per IS 1180 (Part 1), and energy efficiency compliance. Include RITES inspection readiness, NABL/ILAC lab test reports, and GeM invoice readiness for GST-state accuracy. Ensure 25% quantity variation capability and 30+ days extension where applicable.

What documents are required for the Eastern Railway transformer bid in Malda

Submit GST certificate, PAN, experience certificates, financial statements, EMD documentation, technical bid, OEM authorizations if applicable, BIS license, warranty certificate, inspection certificates, E-Way bill, DP extension if late, bank mandate, and cancelled cheque for Malda supply.

What are the technical standards for the 11 kV distribution transformer bid

Transformers must be ISI Marked to IS 1180 (Part 1) with BEE star rating and meet energy efficiency level requirements. Tests to be conducted in Govt/NABL/ILAC accredited labs; RITES inspection is mandatory per ATC; core/conductor materials specified in ATC.

When is the delivery window and how does the option clause work

Delivery begins after the original order date; quantity may increase up to 25% at contracted rates. If exercised, extended time is calculated as (additional quantity/original quantity) × original delivery period, with a minimum of 30 days; extended time may reach the original delivery period.

What is the required BIS license and why is it essential

Bidders must include a valid BIS license for electrical transformers. Without BIS license, the offer is liable to rejection. The license ensures compliance with IS 1180 (Part 1) and safety standards for ISI Marked equipment.

What lab testing and inspection are required for the transformer bid

Materials must be tested in a Govt/NABL/ILAC accredited lab; RITES will perform inspection and issue a certificate. Attach test certificates as per GeM contract, plus inspection certificates, and GST-state-specific invoices for seamless payment processing.

What are the delivery destination details for the Malda transformer supply

Delivery destination is SSE/G/MLDT, Malda, West Bengal, PIN 732102. Include the GST state alignment (Jharkhand/Bihar/West Bengal) on invoices; coordinate with mobile contact 9771424332 for consignment arrival and handover.

What are the warranty expectations for the ISI marked transformers

Warranty certificate must accompany the GeM contract as part of the delivery. Ensure compliance with the GeM warranty terms; include AMC options if specified and provide replacement/repair timelines per contract to minimize downtime.

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