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BHEL Taper Ring & Plug Gauges Tender Vellore Tamil Nadu 95% Blue Matching NABL Inspection

Bid Publish Date

21-Feb-2026, 1:49 pm

Bid End Date

03-Mar-2026, 2:00 pm

Location

VELLORE , TAMIL NADU

Progress

Issue21-Feb-2026, 1:49 pm
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

6

Category

Taper Ring Gauge Dia. 311

Bid Type

Two Packet Bid

Key Highlights

  • • Color matching requirement: blue taper ring vs plug gauges with 95% minimum
  • • NABL-certified lab inspection mandatory with formal report submission
  • • Option clause allowing ±25% quantity fluctuation during and after contract
  • • Delivery period calculations based on original quantity, extended period logic
  • • No explicit BOQ quantities provided; rely on six items in BOQ
  • • Bidder to comply with BHEL purchase terms and delivery schedules

Categories 4

BORE MEASURING INSTRUMENTS FIBERS THREADS AND YARNS RING GAUGE

Tender Overview

Bharat Heavy Electricals Limited (BHEL), Vellore, Tamil Nadu 631001, invites bids for precise taper ring gauges (Dia. 311, 101.6, 210) and taper plug gauges (Dia. 311, 101.6, 210). The scope includes six items with unspecified quantities, subject to a 25% option to increase/decrease during contract execution. Key differentiators include requirement for blue matching to a minimum of 95% between gauges, and a formal NABL laboratory inspection report. The contract emphasizes standard-quality control and post-inspection documentation.

  • Location and organization: BHEL, Vellore, Tamil Nadu
  • Product category: Taper Ring Gauge & Taper Plug Gauge in multiple diameters
  • Delivery and option: 25% quantity variation at contracted rates; delivery period adjusts with option
  • Inspection and quality: NABL lab inspection report required; blue matching criterion
  • Unique aspect: mandatory blue color matching and NABL-certified inspection for supplier acceptance
  • Estimated scope indication: six items in BOQ, with completion dependent on option clause

Technical Specifications & Requirements

Existing tender data shows no explicit technical specs beyond gauge types and diameters. Critical actionable items are the blue matching requirement (95% minimum) and NABL-lab inspection with a formal report. The absence of specified quantities implies bidders must rely on BOQ items for exact counts, while delivery timing scales with the option clause. Vendors should ensure gauge accuracy, dimensional tolerances, and surface finish align with general gauge-grade standards, and prepare NABL-compliant test reports. Documentation should include color conformity records and lab inspection certificates.

Terms, Conditions & Eligibility

  • Option Clause: Quantity may vary by up to 25% during contract and at delivery may extend as per calculated time formula.
  • Blue Matching: Taper gauges must blue-match the corresponding plug gauges to a minimum of 95%.
  • Inspection: NABL-certified lab inspection required; submit lab report.
  • Compliance with BHEL procurement terms, and delivery time aligned to original and extended periods.

Key Specifications

  • Gauge types: taper ring gauge with diameters 311, 101.6, 210

  • Gauge types: taper plug gauge with diameters 311, 101.6, 210

  • Color criterion: taper gauge blue-coated to match plug gauge

  • Quality control: NABL-certified lab inspection required

  • Documentation: inspection report submission and color-matching records

  • Standards/Compliance: IS quality practices typical for gauge instruments

Terms & Conditions

  • EMD: not explicitly stated; submission terms to be clarified in offer

  • Delivery: period linked to original and extended delivery duration

  • Pricing: contract rates apply for increased quantity up to 25%

Important Clauses

Option Clause

Purchaser may increase/decrease quantity up to 25% at bid/static rates; delivery period adjusts accordingly with defined calculation rules

Blue Matching

Blue color on taper ring gauges to be matched with taper plug gauges at 95% minimum

Inspection

NABL-certified lab inspection required; submit formal inspection report for both gauge types

Bidder Eligibility

  • Experience in supplying precision gauges to government/PSU entities

  • Ability to provide NABL-compliant lab testing or produce NABL reports

  • Financial stability with requisite turnover and sufficient liquidity

Documents 5

GeM-Bidding-9024419.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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Bill of Quantities (BOQ) 6 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 Taper Ring Gauge Dia. 311 Taper Ring Gauge Dia. 311 as per Drawing No. 3 RT 034 00133 G and Tool No. R34 00396 00 1 pieces pon_puru 90
2 Taper Plug Gauge Dia. 311 Taper Plug Gauge Dia. 311 as per Drawing No. 3 RT 034 02614 and Tool No. R34 00395 00 1 pieces pon_puru 90
3 Taper Ring Gauge Dia. 101.6 Taper Ring Gauge Dia. 101.6 as per Drawing No. 3 RT 034 00133 G and Tool No. R34 00352 00 1 pieces pon_puru 90
4 Taper Plug Gauge Dia. 101.6 Taper Plug Gauge Dia. 101.6 as per Drawing No. 3 RT 034 02232 A and Tool No. R34 00353 00 1 pieces pon_puru 90
5 Taper Ring Gauge Dia. 210 Taper Ring Gauge Dia. 210 as per Drawing No. 20 T 34 16279 A and Tool No. 34 11010 00 1 pieces pon_puru 90
6 Taper Plug Gauge Dia. 210 Taper Plug Gauge Dia. 210 as per Drawing No. 20 T 34 16278 A and Tool No. 34 11010 00 1 pieces pon_puru 90

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Required Documents

1

GST registration certificate

2

Permanent Account Number (PAN) card

3

Experience certificates for similar gauge supply

4

Financial statements / solvency documents

5

EMD Sourcing/Deposit payment proof (if applicable)

6

Technical bid submission documents

7

OEM authorization or manufacturer credentials (if applicable)

8

NABL lab inspection reports (if already conducted)

Frequently Asked Questions

Key insights about TAMIL NADU tender market

How to bid for taper gauge tender in Vellore Tamil Nadu 2026

Bidders should submit GST, PAN, experience certificates, and financial statements along with technical bid. Ensure NABL lab inspection reports are ready, and confirm blue gauge matching at 95% minimum. The option clause allows ±25% quantity variation, with delivery timing adjusted per contract terms.

What documents are required for BHEL Vellore gauge tender

Required documents include GST certificate, PAN, experience certificates for gauge supply, financial statements, EMD proof if applicable, technical bid documents, OEM authorization if not the manufacturer, and NABL inspection reports for existing tests.

What are the critical technical specifications for the gauges

Gauges must include taper ring and taper plug types in diameters 311, 101.6, and 210. The blue matching requirement must reach 95% minimum, and NABL-certified lab inspection reports are mandatory for acceptance and documentation.

When is the delivery period and how is it calculated

Delivery timing begins from the last date of the original delivery order. If option clause is exercised, additional time equals (increased quantity/original quantity) × original delivery period, minimum 30 days, with possible extension to the original delivery period.

What is the inspection requirement for the gauges

Inspect both taper plug and taper ring gauges in a NABL-certified lab and submit the lab inspection report. Ensure color conformity with blue matching to the respective plug gauges at ≥95%.

What is the scope of quantity variation allowed

The purchaser may vary quantity by up to 25% of bid quantity at contract placement and during currency at contracted rates, with delivery time adjustments as specified in the option clause.