Open Petroleum and Natural Gas NPROCURE

Tender for Conversion & Hydrotesting of 3000 WL CNG Cascades by Vadodara Gas Limited

Bid Publish Date

12-Jan-2026, 6:00 pm

Bid End Date

31-Jan-2026, 2:00 pm

Progress

Issue12-Jan-2026, 6:00 pm
AwardPending
Explore all 4 tabs to view complete tender details

Tender Type

Open

Sector

Petroleum and Natural Gas

Tender Fee

₹3,000

Contract Form

Works

Completion Period

12  Months

Currency Type

Single

Vadodara Gas Limited is inviting bids from qualified companies for a project to convert 3000 WL CNG cascades into 4500 WL cascades, including hydrotesting and certification. This government tender, located in Gujarat, offers an excellent opportunity for firms specializing in gas infrastructure safety, cylinder conversion, and testing services. The project duration is 12 months, with detailed technical and safety standards to ensure compliance with industry regulations. Bidders must submit all required documents via the NPROCURE platform before the deadline, including technical credentials, financial statements, and bid formats. The tender emphasizes safety, quality, and experience, making it ideal for companies with proven track records in gas cylinder testing and conversion. Participation in this project will contribute to enhancing gas distribution safety and operational efficiency, aligning with government initiatives to improve infrastructure reliability and safety standards in the petroleum sector.

Scope Of Work

The selected contractor will be responsible for:

  • Conversion of existing 3000 WL CNG cascades into 4500 WL cascades.
  • Hydrotesting of the converted cascades to ensure compliance with safety standards.
  • Certification and documentation of the tested cascades.
  • Providing all necessary tools, equipment, and manpower for the conversion and testing process.
  • Ensuring minimal downtime during conversion activities.

The process involves:

  1. Receiving the cascades for conversion.
  2. Disassembling and preparing cascades for modification.
  3. Performing the conversion to increase capacity from 3000 WL to 4500 WL.
  4. Conducting hydrotesting as per industry standards.
  5. Certification and quality assurance.
  6. Final inspection and handing over the cascades.
Specification Details
Capacity 4500 WL
Material As per industry standards
Testing Standards IS 2825 / ISO 11623
Documentation Certification, Hydrotest reports

The contractor must adhere to all safety protocols and quality standards prescribed by Vadodara Gas Limited and relevant government authorities.

Technical Specifications

The cascades must meet the following technical parameters:

Parameter Specification
Capacity 4500 WL
Material High-grade steel conforming to IS 2825
Hydrotest Pressure 1.5 times the working pressure
Test Duration Minimum 30 minutes
Certification As per ISO 11623 standards

Sequential process for technical compliance:

  1. Inspection of existing cascades.
  2. Disassembly and modification.
  3. Hydrotesting as per standards.
  4. Certification issuance.

All technical procedures must be documented and submitted for approval before final handover.

Financial Requirements

The total estimated budget for this project is between INR 10,00,000 and INR 15,00,000, inclusive of all costs. The payment will be made in milestones:

Milestone Payment Percentage
Contract Award 20%
Completion of Conversion 40%
Hydrotesting & Certification 30%
Final Handover 10%

Bidders must submit a detailed financial proposal along with the bid, including breakdowns of costs related to materials, labor, testing, and certification. All payments are subject to approval of deliverables and compliance with safety standards.

Documents 2

Bid Docs_Conversion of Cascade S276.pdf

TENDER_DOCUMENT

GCC Service - VGL.pdf

TENDER_DOCUMENT

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Eligibility Criteria

✓ Must have valid registration and licenses for gas cylinder conversion and testing.
✓ Proven experience in handling similar projects involving gas cascade conversion and hydrotesting.
✓ Financial stability demonstrated through audited financial statements.
✓ Must possess ISO certifications related to quality management and safety standards.
✓ Company should have valid PAN, GST registration, MSME certificate (if applicable), EPFO, and ESI registrations.
✓ Submit all required documents, including:

Document Type Details
Tender Fee Receipt Proof of payment of tender fee of INR 3000
EMD Deposit Valid bank guarantee, DD, or online transaction proof
Technical Credentials LOA, PO, Work completion certificates
Financial Credentials Audited financial statements, F 15
Company Documents PAN, GST, MSME, EPFO, ESIC certificates
Bid Formats Complete bid documents, GCC, drawings, queries responses

✓ Meet all criteria specified in the tender document and submit before the deadline.

Bidding Process

Process Timeline

1. Preliminary Stage

31-01-2026 15:00

2. Commercial Stage

Required Forms

Preliminary

Tender Fee Form

Library-Standard

Required

Emd Fee Form

Library-Standard

Required

Commercial

Price Bid Form

Library-Secured

Required

Required Documents

Stage - Preliminary Stage

1

Tender Fee Copy - in form like Bank Drafts / Banker Cheque payable to VGL/Bank transfer

Required
2

EMD Copy - in any form like BG/ DD/ Banker’s Cheque/ Online Banking Transaction/ Letter of Credit

Required
3

Technical BEC Documents - LOA, PO, WO and Execution/ Completion Certificate etc.

Required
4

Financial BEC Documents - Audited Financial Statements and F 15, etc.

Required
5

Company Documents - PAN, GST, MSME, EPFO, ESIC, etc.

Required
6

Forms and Formats

Required
7

Entire Bid Documents along with GCC, Drawing, PTS, Replies to Bidders queries etc.

Required

Form - Tender Fee Form

1

Tender Fee Copy - in form like Bank Drafts / Banker Cheque payable to VGL/Bank transfer

Required

Form - Emd Fee Form

1

EMD Copy - in any form like BG/ DD/ Banker’s Cheque/ Online Banking Transaction/ Letter of Credit

Required

Frequently Asked Questions

Key insights about GUJARAT tender market

What is the main objective of this tender?

This tender aims to select qualified contractors for conversion and hydrotesting of 3000 WL CNG cascades into 4500 WL cascades, ensuring safety, compliance, and enhanced capacity of gas distribution systems for Vadodara Gas Limited.

Who can participate in this tender?

Eligible bidders include companies with experience in gas cascade conversion, hydrotesting, and certification, possessing valid licenses, ISO certifications, and financial stability. They must also meet all eligibility criteria outlined in the tender documents.

What are the key documents required for bid submission?

Required documents include Tender Fee receipt, EMD proof, technical credentials (LOA, PO, certificates), financial statements, company registration documents (PAN, GST, MSME, EPFO, ESIC), and complete bid formats. All must be uploaded via the NPROCURE platform before the deadline.

What is the evaluation process for the bids?

Bids are evaluated based on technical compliance, cost-effectiveness, experience, and certifications. The highest scoring compliant bid will be awarded the contract. Minimum qualifying scores are set at 70% for technical evaluation.

How can I get assistance or training for bidding?

Vadodara Gas Limited offers free vendor training sessions every Saturday at (n)code solutions, Ahmedabad. Bidders can also contact the support team via email or phone for guidance on bid procedures, document preparation, and digital certificate procurement.

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