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South Eastern Coalfields Limited Lightning Arrester & Insulator Tender Korba Chhattisgarh 12 KV IS 731 2026

Bid Publish Date

31-Jan-2026, 3:02 pm

Bid End Date

21-Feb-2026, 10:00 am

EMD

₹2,520

Value

₹42,54,148

Location

KORBA , CHHATTISGARH

Progress

Issue31-Jan-2026, 3:02 pm
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

5410

Category

LIGHTNING ARRESTER,6 KV, 10 KA, UOM NUMBER

Bid Type

Two Packet Bid

Key Highlights

  • • IS 731 compliance for heavy pollution environments
  • • 25% quantity variation during and after contract
  • • OEM authorization required for distributors
  • • 1-year OEM warranty with service centers nationwide
  • • Delivery terms tied to last delivery order date with extension rules
  • • EMD ₹2,520 and GST considerations clarified
  • • Supply-only scope with no installation cost included

Tender Overview

South Eastern Coalfields Limited (SECL), under Coal India Limited, invites bids for the supply of electrical accessories including LIGHTNING ARRESTER, 6 KV, 10 KA, LIGHTNING ARRESTER, 3 KV, 10 KA, IS 731-compliant polymer insulators and associated hardware (pin and stay rods with clamps), and 11 KV disc insulators with polymer hardware. Estimated contract value is ₹4,254,147.80 with an EMD of ₹2,520. Location: KORBA, CHHATTISGARH (495445). Scope: supply only, with OEM authorization required where applicable. Bidder must provide 1-year OEM warranty from final acceptance, and ensure post-sale support via established Indian service centers. The tender includes a 25% quantity option during contract and currency, with delivery windows linked to last delivery order. This procurement emphasizes IS 731 compliance for heavily polluted atmospheres and includes both polymer and porcelain insulating hardware.

Technical Specifications & Requirements

  • Product categories: LIGHTNING ARRESTER (6 KV & 3 KV), INSULATOR WITH HARDWARE TYPE PIN (11 KV), 11 KV DISC INSULATOR with polymer hardware, STAY ROD with TURN BUCKLE, Plate & Clamp; Rod diameter 19-20 mm, length 1.8 m; Insulator type STAY (11 KV); Porcelain Insulators for overhead lines up to 1000 V per IS 1445.
  • Standards & compliance: IS 731 latest or equivalent for polluted atmosphere insulators; 11 KV, 800 A, 3P vertical electrical isolators; flashover voltages dry 27 kV, wet 13 kV; mechanical strengths: stay rod 88 kN, disc insulators 70 kN. Estimated value and EMD figures indicate project scale and bid viability.
  • Delivery & installation: Installation and commissioning included; warranty period 1 year from acceptance; OEM warranty certificates to be provided at delivery; service centers required and listed with bid.

Terms, Conditions & Eligibility

  • EMD: ₹2,520 (DD/online acceptable); bid must include EMD documentation per T&Cs.
  • GST & GSTN: Bidder to check applicable GST; reimbursement as per actuals or applicable rates (whichever is lower).
  • Warranty: 1-year warranty; OEM warranty certificates required on delivery; after-sales service network in India with contactable service centers.
  • Documents: PAN, GSTIN, cancelled cheque, EFT mandate; OEM authorization if distributors are bidding; bids rejected without required certificates.
  • Option clause: Purchaser may increase/decrease quantity by up to 25% during contract; delivery period adjusts accordingly with minimum 30 days; extensions allowed up to original delivery period.

Key Specifications

  • Lightning Arrester 6 KV, 10 KA

  • Lightning Arrester 3 KV, 10 KA

  • 11 KV Disc Insulator with polymer hardware, 12 KV highest system voltage, 70 KN mechanical strength

  • Stay Rod Ø 19-20 mm, length 1.8 m, stay insulator 11 KV, porcelain material, 88 KN minimum failing load

  • Flash over voltages: dry 27 KV, wet 13 KV; IS 731 compliant

Terms & Conditions

  • Delivery window linked to last delivery order date with 30-day minimum extension

  • 25% quantity variation allowed during and after contract

  • GST obligations borne by bidders; reimbursement as per actuals or lower rate

Important Clauses

Payment Terms

GST applicable per actuals; EMD ₹2,520; payment terms not explicitly stated beyond GST and EMD handling

Delivery Schedule

Delivery period starts from last date of original delivery order; extended time formula: (Increased quantity ÷ Original quantity) × Original delivery period, min 30 days

Penalties/Liquidated Damages

Not explicitly stated; penalties may apply per standard SECL terms for delays and non-compliance per ATC/Corrigendum

Bidder Eligibility

  • Manufacturer/authorized distributor with OEM authorization

  • Valid PAN and GST registrations

  • Evidence of after-sales service network in India

Documents 6

GeM-Bidding-8908268.pdf

Main Document

BOQ Document

BOQ

BOQ Document

BOQ

CATALOG-Specification-1

CATALOG Specification

Buyer uploaded ATC document

ATC

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

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Bill of Quantities (BOQ) 7 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 LIGHTNING ARRESTER,6 KV, 10 KA, UOM NUMBER LIGHTNING ARRESTER,6 KV, 10 KA, UOM NUMBER 300 nos am.mm@seclgevra 60
2 LIGHTNING ARRESTER,3 KV, 10 KA, UOM NUMBER LIGHTNING ARRESTER,3 KV, 10 KA, UOM NUMBER 60 nos am.mm@seclgevra 60
3 INSULATOR WITH HARDWARE TYPE PIN, VOLTAGE 11 KV, MECHANICAL STRENGTH 5 KN, MATERIAL POLYMER, FOR HEAVILY POLLUTED ATMOSPHERE, CONFIRMING TO IS 731 LATEST OR EQUIVALENT INSULATOR WITH HARDWARE TYPE PIN, VOLTAGE 11 KV, MECHANICAL STRENGTH 5 KN, MATERIAL POLYMER, FOR HEAVILY POLLUTED ATMOSPHERE, CONFIRMING TO IS 731 LATEST OR EQUIVALENT 1,500 nos am.mm@seclgevra 60
4 11KV DISC INSULATOR with HARDWARE MATERIAL POLYMER TYPE, HIGHEST SYSTEM VOLTAGE12 KV, MECHANICAL STRENGTH 70KN, FOR HEAVILY POLLUTED ATMOSPHERE 11KV DISC INSULATOR with HARDWARE MATERIAL POLYMER TYPE, HIGHEST SYSTEM VOLTAGE12 KV, MECHANICAL STRENGTH 70KN, FOR HEAVILY POLLUTED ATMOSPHERE 1,000 nos am.mm@seclgevra 60
5 STAY ROD WITH TURN BUCKLE, PLATE AND CLAMP ETC., ROD DIA 19MM TO 20MM, LENGTH1.8 MTR STAY ROD WITH TURN BUCKLE, PLATE AND CLAMP ETC., ROD DIA 19MM TO 20MM, LENGTH1.8 MTR 500 nos am.mm@seclgevra 60
6 INSULATOR TYPE STAY, VOLTAGE 11 KV, MATERIAL PORCELAIN, MINIMUM FAILING LOAD 88 KN, FLASH OVER VOLTAGE DRY27 KV, FLASH OVER VOLTAGE WET 13 KV, CONFIRMING TO IS731 LATEST INSULATOR TYPE STAY, VOLTAGE 11 KV, MATERIAL PORCELAIN, MINIMUM FAILING LOAD 88 KN, FLASH OVER VOLTAGE DRY27 KV, FLASH OVER VOLTAGE WET 13 KV, CONFIRMING TO IS731 LATEST 500 nos am.mm@seclgevra 60
7 ISOLATOR, ELECTRICAL 11KV,800AMP, 3P, VERTICALLY, UOM NUMBER ISOLATOR, ELECTRICAL 11KV,800AMP, 3P, VERTICALLY, UOM NUMBER 50 nos am.mm@seclgevra 60

Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
GENERIC Type Shackle Insulator Type 2
GENERIC Minimum failing load (in KN) 16.0 KN for Type 2 Shackle insulator
GENERIC Packing Boxes
GENERIC Installation and Commissioning No
GENERIC Warranty (in Years) 1

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Required Documents

1

Copy of PAN Card

2

Copy of GSTIN

3

Copy of Cancelled Cheque

4

Copy of EFT Mandate certified by Bank

5

OEM Authorization/Authorisation Form if bidding through distributors

6

OEM warranty certificates

7

Technical compliance certificates for IS 731 and related specs

Frequently Asked Questions

Key insights about CHHATTISGARH tender market

How to bid for Korba lightning arrester tender in 2026 SECL?

Bidders must submit PAN, GSTIN, cancelled cheque, EFT mandate, and OEM authorization certificates. Include EMD of ₹2,520 and ensure IS 731 compliance. Provide OEM warranty certificates and indicate 1-year warranty with in-country service centers; delivery terms follow the last order date with possible 25% quantity variation.

What documents are required for SECL insulator procurement in Korba?

Submit PAN, GSTIN, cancelled cheque, EFT mandate, OEM authorization, and warranty certificates. Include technical compliance documentation for IS 731, IS 1445, and 11 KV insulator specs. Provide service center details and after-sales support readiness; ensure GST applicability is clarified in bid.

What standards and specifications govern IS 731 polymer insulators tender?

Tenders require IS 731 latest revision or equivalent for insulators in polluted atmospheres; ensure 11 KV/12 KV system voltage compatibility, 70 KN disc insulator strength, and 88 KN stay load. Include flashover voltages dry 27 KV and wet 13 KV in technical submissions.

What is the EMD amount for SECL Korba tender and payment terms?

EMD is ₹2,520, payable via Demand Draft or online transfer; GST terms are bidder’s responsibility with reimbursement options per actuals or lower rate. Payment terms emphasize supply-only scope with OEM warranties; ensure EMD submission with bid package.

When is the delivery window for quantity under SECL terms?

Delivery starts after the last date of the original delivery order; if quantity increases by up to 25%, extended time is calculated as (increased/original) × original period, with a minimum extension of 30 days.

What is the warranty requirement for SECL electrical components?

A 1-year OEM warranty from final acceptance or after installation/commissioning, whichever is applicable. OEM warranty certificates must accompany delivery; service centers must be listed and available nationwide for after-sales support.

What equipment categories are included in this SECL Korba bid?

Categories include LIGHTNING ARRESTERS (6 KV, 3 KV), 11 KV DISC INSULATORS with polymer hardware, and PIN stay insulators with porcelain components, plus stay rods, clamps, and associated hardware satisfying IS 731 and IS 1445 standards.

How does the 25% option clause affect bid quantities and pricing?

The purchaser may increase/decrease quantity by up to 25% at contract placement and during currency at contracted rates; delivery time adjusts using the specified formula, ensuring a minimum 30 days extension when applicable.