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Numaligarh Refinery Limited testing calibration and audit services Siliguri Terminal 1600/1000 KVA transformers 2026

Bid Publish Date

24-Apr-2026, 10:11 am

Bid End Date

15-May-2026, 10:00 am

EMD

₹28,000

Location

GOLAGHAT , ASSAM
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Progress

Issue24-Apr-2026, 10:11 am
Corrigendum08-May-2026
AwardPending
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Quantity

18

Bid Type

Two Packet Bid

Key Highlights

  • • NRL procurement for Siliguri Marketing Terminal electrical testing and calibration services
  • • Line items include transformer oil filtration and DGA testing for 1600 KVA and 1000 KVA units
  • • EMD required: ₹28,000; look for payment terms in buyer terms
  • • SOW attachment governs work scope, deliverables, and acceptance criteria
  • • On-site testing, calibration, energy/audit services, and safety testing included
  • • No BOQ items listed; rely on SOW for itemized tasks and reporting format

Categories 75

BP INSTRUMENT TREATMENT OF DRINKING WATER VOLTMETER ELECTRICAL SERVICES VOLTAGE METERS PLATFORM SCALE DECIBEL METER CLAMP METER POWER PROJECT SAFETY MANAGEMENT GLUCOMETER TRANSFORMERS BRANDY RF PASSIVE COMPONENTS PARAMETER TEST PRESSURE GAUGE SAFETY AUDIT TESTING INSTRUMENT AROMATIC SPIRIT WEIGH BRIDGE SUB STATION POWER CABLE THERMOWELLS ELECTRICAL MEASURING AND TESTING EQUIPMENT AIR CYLINDERS DRINKING WATER SYSTEM ELECTROMECHANICAL MACHINERY LUXMETERS WIRING ASSEMBLY WATER LEVEL RECORDER VOLT METER FILTER RETAINERS SWITCHING APPARATUS ACCOUNTANT FIRM BODYWEIGHT MEASURING SCALE RADIO FREQUENCY ANALYSER ENERGY AUDIT SUBSTATION DRINKING WATER SUPPLY GEYSER MULTIMETERS ENERGY EFFICIENCY PROJECT ROUTINE MAINTENANCE SMART POSITIONER OIL REGENERATION XLPE CABLE WATTMETERS CA FIRM AMC OF ELECTRONIC PYROMETERS ARTICULATING LAZY ARMS ELECTRICAL SUBSTATION STATIC CONVERTERS CORPORATE TRAINING VIBRATORY SCREEN THICKNESS GAUGE RELAYS DIGITAL TESTERS MAINTENANCE CONTRACT OF ELECTRONIC ELECTRONIC COMMUNICATION MEASURING AND TESTING INSTRUMENT POWER FIRST AID BOX PEB ELECTRONIC TESTERS TRANSFORMER OIL MEDICAL DIAGNOSTIC GAMMA CAMERAS MEGGER PNEUMATIC POSITIONER WEIGHTS AUDIOMETERS EARTH RESISTANCE TESTERS GINNING OIL SAFETY CONSULTANCY SERVICE SWITCH GEAR

Tender Overview

Numaligarh Refinery Limited seeks qualified bidders to provide Testing, Calibration and Audit services for electrical utilities at the Siliguri Marketing Terminal. The scope includes line-item quotes for filtration of transformer oil (1600 KVA and 1000 KVA) and DGA testing, plus calibration and energy/audit activities for various electrical test instruments. EMD is ₹28,000. The project involves multiple SOR items and a buyer-attached scope file. No BOQ items are listed, but the SOW attachment outlines measurement, testing, and calibration tasks. The work targets continuity and reliability of transformer and insulation systems with emphasis on on-site testing and reporting. The tender emphasizes compliance with client-specific processes and documentation, and requires submission of bid documents in line with the attached SOW. This opportunity is positioned for service providers with electrical testing, calibration, and audit capabilities in the eastern region of India, specifically targeting the Siliguri cluster under NRL procurement.

Technical Specifications & Requirements

  • Category: Custom Bid for Services – Testing, Calibration and audit facilitation of electrical utilities
  • Location: Siliguri Marketing Terminal, Siliguri, West Bengal
  • Transformer scope: 1600 KVA and 1000 KVA units per SOR items 10/30 and 20/40
  • Tests included: DGA testing, WTI/OTI testing, Very Low Frequency testing, insulation mat testing, hand gloves testing, rescue rod, relay testing (master & earth fault), megger/insulation tester calibration, lux meter calibration, clamp meter and multimeter calibration
  • Calibrations & audits: Calibration of meters, meters and test equipment, electrical safety audit and energy audit
  • EMD: ₹28,000; payment terms to be confirmed in the terms document
  • SOW attachment: Governs scope of work; bidder must review for deliverables and acceptance criteria
  • Compliance: Vendor to demonstrate capability in transformer diagnostics, oil filtration, DGA interpretation, and related safety standards

Terms, Conditions & Eligibility

  • EMD: ₹28,000 (payment methods as per T&C)
  • Experience: Demonstrable experience in electrical testing/calibration/audits for transformer's oil systems and high/medium voltage test equipment
  • Delivery/Timeline: On-site testing and calibration within project window as per SOW; reporting within a defined acceptance period
  • Payment Terms: To be stated in T&C; bidders should anticipate milestone-based payments
  • Documents: GST, PAN, experience certificates, financials, EMD submission proof, technical bid, OEM authorizations if applicable
  • Warranty/Support: As per SOW; post-calibration support terms to be provided
  • Submissions: Review the attached bidder scope file for exact deliverables and acceptance criteria

Key Specifications

  • Transformer oil filtration and DGA testing for 1600 KVA and 1000 KVA transformers

  • Calibration of electrical testing instruments: megger, insulation tester, lux meter, clamp meter, multimeter

  • Electrical safety audit and energy audit for terminal facilities

  • On-site testing with formal reporting and acceptance criteria per SOW

  • Compliance with organization-specific procedures and safety norms

Terms & Conditions

  • EMD of ₹28,000 required; payment terms per T&C

  • Review SOW attachment for scope, deliverables, and acceptance

  • Submit GST, PAN, experience, financials, and OEM documents as specified

Important Clauses

Payment Terms

Payment terms as per Buyer Terms and Conditions; milestone or on-delivery payments to be defined in SOW

Delivery Schedule

On-site testing and calibration to occur within project window defined in SOW; delivery of inspection reports within defined timelines

Penalties/Liquidated Damages

LD clauses to be specified in SOW for delays in reporting or calibration deliverables

Bidder Eligibility

  • Proven experience in transformer oil filtration and DGA testing for 1600 KVA/1000 KVA units

  • On-site electrical testing capability at terminal facilities

  • Adequate financial stability as evidenced by financial statements

Additional Tender Data

Commercial Details

Tender Category

Service

Bid To RA

No

Bid To RA Enabled

No

Item Category

Custom Bid for Services - Testing, Calibration and audit facilitation of electrical utilities at Siliguri Marketing Terminal, NRL Quote for SOR Line Item 10 Filtration of transformer oil-1600 KVA , Custom Bid for Services - Quote for SOR Line Item 20 DGA test of transformer- 1600 KVA , Custom Bid for Services - Quote for SOR Line Item 30 Filtration of transformer oil-1000 KVA , Custom Bid for Services - Quote for SOR Line Item 40 DGA test of transformer- 1000 KVA , Custom Bid for Services - Quote for SOR Line Item 50 WTI test and calibration of transformers , Custom Bid for Services - Quote for SOR Line Item 60 OTI test and calibration of transformers , Custom Bid for Services - Quote for SOR Line Item 70 Very Low Frequency test , Custom Bid for Services - Quote for SOR Line Item 80 Testing of Insulation mat , Custom Bid for Services - Quote for SOR Line Item 90 Testing of Hand gloves , Custom Bid for Services - Quote for SOR Line Item 100 Testing of rescue rod , Custom Bid for Services - Quote for SOR Line Item 110 Testing of relays(master&earth fault) , Custom Bid for Services - Quote for SOR Line Item 120 Calibration of megger/insulation tester , Custom Bid for Services - Quote for SOR Line Item 130 Calibration of digital earth tester , Custom Bid for Services - Quote for SOR Line Item 140 Calibration of lux meter , Custom Bid for Services - Quote for SOR Line Item 150 Calibration of clamp meter , Custom Bid for Services - Quote for SOR Line Item 160 Calibration of multimeter , Custom Bid for Services - Quote for SOR Line Item 170 Electrical safety audit , Custom Bid for Services - Quote for SOR Line Item 180 Electrical energy audit

Authority Records

MINISTRY OF PETROLEUM AND NATURAL GAS

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Documents 8

GeM-Bidding-9253102.pdf

Main Document

Other Documents

OTHER

Scope Of Work Document

SCOPE_OF_WORK

Payment Terms & Condition

PAYMENT

Other Documents

OTHER

Other Documents

OTHER

Other Documents

OTHER

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

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Required Documents

1

GST registration certificate

2

Permanent Account Number (PAN) card

3

Experience certificates for electrical testing/calibration projects

4

Financial statements (last 2-3 years) or bank statements

5

EMD payment proof (₹28,000)

6

Technical bid documents and compliance statements

7

OEM authorizations or certifications if required by SOW

Corrigendum Updates

1 Update
#1

Update

08-May-2026

Extended Deadline

15-May-2026, 10:00 am

Opening Date

15-May-2026, 10:30 am

Frequently Asked Questions

Key insights about ASSAM tender market

How to bid for the Siliguri testing calibration services tender in 2026

Bidders must submit the EMD of ₹28,000, GST, PAN, experience and financial documents, along with technical bid and OEM authorizations if required. Review the SOW attachment for deliverables, inspection reports, and acceptance criteria. Ensure on-site testing capabilities for 1600/1000 KVA units at Siliguri Marketing Terminal.

What documents are required for the NRL electrical testing bid in Siliguri

Required documents include GST registration, PAN, experience certificates, last 2-3 years financial statements, EMD proof of ₹28,000, technical bid, and OEM authorizations if applicable. Submissions must align with SOW requirements and safety compliance standards indicated in the attached file.

What are the key technical specifications for transformer oil filtration and DGA testing

Scope covers filtration for 1600 KVA and 1000 KVA transformers and DGA testing per SOW. Bidders should provide on-site filtration, oil testing methodologies, DGA interpretation, and certified reports. Ensure instrument calibration capabilities for megger, lux meter, clamp meter, and insulation testers.

When is the submission deadline and how are payments processed for this tender

Submission deadlines follow the SOW timeline in the attached terms. Payment terms are defined in the buyer terms; typically milestone or upon completion with acceptance reporting. Ensure EMD ₹28,000 is paid as specified and all required documents accompany the bid.

What standards or certifications are required for the Siliguri terminal bid

Bidders must demonstrate capability with electrical testing and calibration, provide OEM authorizations if required, and submit reports per SOW. Compliance with safety norms and client-specific procedures is essential; specific standard references will be in the SOW attachment and terms.

What is covered under the energy and safety audits in this NRL tender

Energy audit covers assessment of consumption, efficiency, and potential savings at the Siliguri Marketing Terminal. Safety audit includes electrical safety, PPE compliance, and inspection of insulation mats, gloves, and relays. Deliverables include formal audit reports and recommended corrective actions.

What is the role of the SOW attachment in bidder eligibility

The SOW attachment defines the exact tasks, deliverables, acceptance criteria, and reporting format. Bids must align with SOW deliverables for transformer testing, calibration, oil filtration, and diagnostic tasks; non-compliance with SOW may affect eligibility and award decisions.

How to verify equipment calibration requirements for the 1600/1000 KVA units

Verify calibration accuracy via megger, insulation tester, lux meter, clamp meter, and multimeter calibration against manufacturer specifications. Include calibration certificates, traceability documents, and on-site verification reports in the bid submission as per SOW requirements.

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