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NLC Tamil Nadu Power Limited Spring Seal Assembly & Blade Seal Tender for Guillotine & Air-Operated Gates 2026

Bid Publish Date

05-Feb-2026, 2:23 pm

Bid End Date

27-Feb-2026, 11:00 am

Location

TUTICORIN , TAMIL NADU

Latest Corrigendum Available

Progress

Issue05-Feb-2026, 2:23 pm
Corrigendum24-Feb-2026
AwardPending
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Quantity

38

Key Highlights

  • • Specific inspection regime: Post-receipt inspection at NTPL stores with optional pre-dispatch only if ATC selects it
  • • Online payment and PBG options explicitly allowed; contract number required in RTGS transfers
  • • 21-day window to submit Detailed Design Drawings; 7 days for buyer modification response
  • • Mandatory BIS/NABL laboratory test certificates for raw material with every consignment
  • • Stamp paper warranty requirement: Rs. 80 for general warranty
  • • Annexure-1 with illustration sheet dictates scope and material construction requirements
  • • Scope is strictly the supply of goods (no services) per ATC
  • • ATC requires off-line and online submission readiness (PAN, GST, cancelled cheque, EFT mandate)

Categories 7

VALVE PARTS AND ACCESSORIES PORT ELECTROSTATIC PRECIPITATOR WATER INTAKE SYSTEM ANGLE COCK FLUE GAS BLADE

Tender Overview

NLC Tamil Nadu Power Limited seeks the supply of Spring Seal Assemblies and Blade Seals for multiple gate configurations, including GUILLLOTINE GATE ASSY 2900X2900 and AIR OPERATED GATE ASSEMBLY 1100X1100/1900X1900. The procurement scope covers 14 BOQ items, with the contract limited to the supply of goods. Location: NTPL, Tuticorin, Tamil Nadu. Key differentiators include mandatory detailed design drawings approval within 21 days of award and a post-award approval cycle where the buyer may list modifications within 7 days. A general warranty is required, and test certificates from BIS/NABL-approved labs must accompany each consignment. Online EMD/Payment and PBG options are provided, with RTGS transfer details to NLC Tamil Nadu Power Limited.

  • Comprehensive drawings approval timeline: 21 days to submit, 7 days for buyer responses
  • Pre-dispatch inspection not applicable; post-receipt inspection at NTPL stores
  • Material testing: BIS-approved or NABL-accredited labs; original material certificates
  • Documentation: PAN, GSTIN, cancelled cheque, EFT mandate; online payment allowed
  • Warranty: general warranty via non-judicial stamp paper (~Rs. 80)

Technical Specifications & Requirements

  • Scope: Supply of Goods only; scope defined in Annexure-1 and illustrated drawings
  • Inspection: Post-receipt at NTPL stores; pre-dispatch not applicable
  • Testing: Original raw material test certificates from BIS/NABL labs with each consignment
  • Drawings: Detailed Design Drawings due within 21 days; buyer approval or modification list within 7 days
  • Packaging/Delivery: Delivery period to be aligned with approved drawings; LD not specified
  • Documentation: PAN, GSTIN, cancelled cheque; EFT mandate; PBG/online payment accepted

Terms, Conditions & Eligibility

  • Forms of payment: RTGS/internet banking; contract number required in transfer; proof of online payment to be uploaded within 15 days
  • EMD/PBG: Online payment permitted; PBG as per GeM GTC
  • Warranty: General warranty in stamp paper not less than Rs. 80
  • Quality: Original test certificates from BIS/NABL-approved labs
  • Documentation: PAN, GSTIN, cancelled cheque, EFT mandate; vendor code creation process
  • Inspection: Post-receipt inspection at NTPL stores; pre-dispatch not applicable

Key Specifications

  • Product names: Spring Seal Assembly for PORT/SIDES/BOTTOM/BONNET; suitable for various gate sizes

  • Sizes: 1100x1100, 1900x1900, 2900x2900 gate configurations

  • Testing: Original test certificates from BIS-approved or NABL-lab

  • Warranty: General warranty on stamp paper (~Rs. 80)

  • Documentation: PAN, GSTIN, EFT mandate; online payment accepted

  • Drawings: Detailed Design Drawings submitted within 21 days; buyer approval within 7 days

Terms & Conditions

  • Online payment and PBG accepted; contract number in transfer details

  • 21-day design drawing submission; 7-day buyer response for modifications

  • Post-receipt inspection at NTPL stores; BIS/NABL test certificates required

Important Clauses

Payment Terms

Online RTGS/internet banking permitted; contract number to be noted; upload proof of payment within 15 days of award

Delivery Schedule

Delivery aligned to approved drawings; delay adjustments possible if drawings delayed, with no LD specified

Penalties/Liquidated Damages

Not explicitly stated; delivery timelines depend on approved designs and supplier compliance

Bidder Eligibility

  • Bidder must provide PAN, GSTIN, and EFT mandate

  • Must submit BIS/NABL-compliant material test certificates

  • Must comply with Annexure-1 construction/material requirements and drawings approvals

Documents 5

GeM-Bidding-8922128.pdf

Main Document

BOQ Document

BOQ

BOQ Document

BOQ

Buyer uploaded ATC document

ATC

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

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Closed: 6 March 2025
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Posted: 30 June 2025
Closed: 14 July 2025
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Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited Seal Kit for Air Cylinders Procurement Sonbhadra UP 2025

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SONBHADRA, UTTAR PRADESH

Posted: 24 December 2025
Closed: 8 January 2026
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ITEM 10: M9470006356: SEAL KIT: FEEDER O/L GATE NEWTON MAKE:

Ntpc Tamilnadu Energy Company Ltd

TIRUVALLUR, TAMIL NADU

Posted: 15 July 2025
Closed: 12 August 2025
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ST020100108 Seal Face for Mechanical seal Type H75N100 MM,ST020100109 Seat for Mechanical Seal Type

Nlc India Limited

CUDDALORE, TAMIL NADU

Posted: 31 January 2025
Closed: 20 February 2025
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Bill of Quantities (BOQ) 14 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 MC- ST010090019 SPRING SEAL ASSY-PORT- FOR GUILLOTINE GATE ASSY2900X2900-S- FOR ESP INLET GATE. SPRING SEAL ASSY-PORT- FOR GUILLOTINE GATE ASSY2900X2900- FOR ESP INLET GATE. 1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT 3 set gemc1@ntpl 150
2 MC- ST010090020 SPRING SEAL ASSY-BONNET- FOR GUILLOTINE GATE ASSY2900X2900-S- FOR ESP INLET GATE. SPRING SEAL ASSY-BONNET- FOR GUILLOTINE GATE ASSY2900X2900- FOR ESP INLET GATE. 1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT. 2 set gemc1@ntpl 150
3 MC- ST010090007 SPRING SEAL ASSY-PORT. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY1100X1100. SPRING SEAL ASSY-PORT-1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY1100X1100. 3 set gemc1@ntpl 150
4 MC- ST010090008 SPRING SEAL ASSY-BONNET. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY1100X1100. SPRING SEAL ASSY-BONNET-1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY1100X1100. 3 set gemc1@ntpl 150
5 MC- ST010090006 SPRING SEAL ASSY-BOTTOM. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY 1100X1100. SPRING SEAL ASSY-BOTTOM-1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY 1100X1100. 2 set gemc1@ntpl 150
6 MC- ST010090005 SPRING SEAL ASSY-SIDES. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY 1100X1100. SPRING SEAL ASSY-SIDES-1 SET IS 2 NOS. FOR 1 GATE REQUIREMENT. SUITABLE FOR AIR OPERATED COLD AIR GATE ASSY 1100X1100. 2 set gemc1@ntpl 150
7 MC- ST010090003 SPRING SEAL ASSY-PORT. SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900. SPRING SEAL ASSY-PORT-1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900. 5 set gemc1@ntpl 150
8 MC- ST010090004 SPRING SEAL ASSY-BONNET. SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900 SPRING SEAL ASSY-BONNET-1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT. SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900. 4 set gemc1@ntpl 150
9 MC- ST010090002 SPRING SEAL ASSY-BOTTOM. SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900 SPRING SEAL ASSY-BOTTOM-1 SET IS 1 NOS. FOR 1 GATE REQUIREMENT. SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900 1 set gemc1@ntpl 150
10 MC- ST010090001 SPRING SEAL ASSY-SIDES. SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900 SPRING SEAL ASSY-SIDES-1 SET IS 2 NOS. FOR 1 GATE REQUIREMENT SUITABLE FOR AIR OPERATED HOT AIR GATE ASSY1900X1900 1 set gemc1@ntpl 150
11 MC- ST010090009 BLADE SEAL -BLADE TO BLADE.SUITABLE HOT AIR CONTROL DAMPER ASSY.1900X1900BL BLADE SEAL -BLADE TO BLADE-1 SET IS 3 NOS. IS FOR 1 DAMPER REQUIREMENT. SUITABLE HOT AIR CONTROL DAMPER ASSY.1900X1900BL 4 set gemc1@ntpl 150
12 MC- ST010090010 BLADE SEAL -BLADE TO FRAME. SUITABLE FOR HOT AIR CONTROL DAMPER ASSY.1900X1900BL BLADE SEAL -BLADE TO FRAME-1 SET IS 2 NOS. IS FOR 1 DAMPER REQUIREMENT. SUITABLE FOR HOT AIR CONTROL DAMPER ASSY.1900X1900BL 4 set gemc1@ntpl 150
13 MC- ST010090011 BLADE SEAL-BLADE TO BLADE. SUITABLE FOR COLD AIR CONTROL DAMPER ASSY.1100X1100BL BLADE SEAL-BLADE TO BLADE-1 SET IS 2 NOS. IS FOR 1 DAMPER REQUIREMENT. SUITABLE FOR COLD AIR CONTROL DAMPER ASSY.1100X1100BL 2 set gemc1@ntpl 150
14 MC- ST010090012 BLADE SEAL -BLADE TO FRAME. SUITABLE FOR COLD AIR CONTROL DAMPER ASSY.1100X1100BL BLADE SEAL -BLADE TO FRAME-1 SET IS 2 NOS. IS FOR 1 DAMPER REQUIREMENT. SUITABLE FOR COLD AIR CONTROL DAMPER ASSY.1100X1100BL 2 set gemc1@ntpl 150

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Required Documents

1

PAN Card copy

2

GSTIN copy

3

Cancelled cheque copy

4

EFT Mandate certified by bank

5

Proof of online payment transfer (RTGS) with contract number

6

Technical bid documents and OEM authorizations (if applicable)

7

Original BIS/NABL test certificates for raw material

8

Detailed Design Drawings and approval documents (21-day window)

Corrigendum Updates

1 Update
#1

Update

24-Feb-2026

Extended Deadline

27-Feb-2026, 11:00 am

Opening Date

27-Feb-2026, 11:30 am

Frequently Asked Questions

Key insights about TAMIL NADU tender market

How to bid for spring seal assemblies tender in Tuticorin 2026?

Bidders must submit PAN, GSTIN, cancelled cheque, and EFT mandate; provide BIS/NABL-certified test certificates; attach Detailed Design Drawings within 21 days of award, with buyer feedback in 7 days. Online payment and PBG are accepted, with contract number noted in transfer details. Ensure Annexure-1 scope alignment.

What documents are required for NTPL seal assembly procurement in Tamil Nadu?

Submit PAN, GSTIN, cancelled cheque, EFT mandate, and OEM authorizations if applicable; include test certificates from BIS/NABL labs for raw materials; provide Detailed Design Drawings within 21 days; upload proof of online payment and PBG as per GeM terms.

What are the technical specifications for gate seal assemblies 1100x1100 and 1900x1900?

Specifications focus on spring seal assemblies for various port/bonnet/bottom/sides locations and blade seals for hot/cold air dampers; sizes 1100x1100 and 1900x1900; conformity to Annexure-1 drawings; BIS/NABL material testing certificates required with each consignment.

When is the approval window for Detailed Design Drawings in this NTPL tender?

Within 21 days of award, the supplier submits Detailed Design Drawings. The buyer has 7 days to approve or list modifications. Delays in approval may refix the delivery period without LD penalties as per ATC guidance.

What are the payment terms and EMD requirements for this NTPL supply contract?

Online RTGS/internet banking is permitted; include contract number in the transaction details and upload payment proof within 15 days of award. EMD may be substituted by PBG per GeM GTC; ensure availability of funds for rapid payment upon delivery.

What testing standards are required for raw material in this tender?

Original test certificates must be furnished for raw material from BIS-approved labs or NABL-accredited labs; ensure certificates accompany every consignment and reflect material construction compliance per Annexure-1 requirements.

What warranty and post-delivery requirements exist for NTPL seals?

General warranty must be furnished on a non-judicial stamp paper of at least Rs. 80; post-delivery inspection is at NTPL stores; ensure compliance documents and warranty certificate accompany each delivery cycle.

What is the scope of supply for this tender in NTPL Tamil Nadu?

Scope is strictly the supply of goods as per Annexure-1 and illustrated drawings; no on-site installation or services are included unless specified in the ATC; ensure all required drawings and test certificates are provided with delivery.