Government Tender for Replacement of 66kV Pipe Bus & Isolator Structure at Bilimora SS

This government tender invites qualified electrical contractors to undertake the replacement of 66kV pipe bus and old bypass isolator structures at Bilimora Sub-station, Gujarat. The project is managed by Gujarat Energy Transmission Corporation Limited (GETCO) and is part of the power infrastructure upgrade in the Navsari district. The scope includes detailed technical work at the 66kV Bilimora SS, with a completion period of approximately 5 months. Key project details include:

Tender Title	Replacement of 66kV Pipe Bus & Isolator at Bilimora SS
Location	Bilimora Sub-station, Navsari, Gujarat
Estimated Cost	₹17,65,199.39
Bid Submission Start	30-05-2025 16:30
Bid Submission End	21-06-2025 16:00
Tender Fee	₹1180
Bid Validity	180 days

This opportunity is ideal for experienced electrical contractors with proven capabilities in high-voltage substation works, experience in similar projects, and compliance with all technical and safety standards. Bidders must adhere to the specified eligibility criteria and submit all required technical and financial documents by the deadline.

The scope of work includes:

• Removal and replacement of existing 66kV pipe bus and bypass isolator structures.
• Installation of new pipe bus components as per technical specifications.
• Ensuring all safety standards and electrical codes are strictly followed.
• Conducting testing and commissioning of the new equipment.
• Coordinating with GETCO officials for inspection and approval.

Key deliverables include:

• Complete dismantling of old bus and isolator structures.
• Installation of new pipe bus and isolator structures.
• Electrical testing and commissioning.
• Documentation of work performed.

Sequential process:

1. Site assessment and planning.
2. Procurement of materials and equipment.
3. Dismantling of existing structures.
4. Installation of new components.
5. Testing, commissioning, and final inspection.

Technical Specifications	Details
Voltage Level	66kV
Bus Type	Pipe bus
Material	Conductive metal with insulation
Safety Standards	IEC, IEEE, local electrical codes

Bidder must ensure all work complies with the technical standards and safety protocols mandated by GETCO and Indian electrical regulations.

• ✓ Must have valid registration as an approved electrical contractor in the appropriate class.
• ✓ Proven experience in high-voltage substation work, particularly in bus and isolator replacement.
• ✓ Submission of work completion certificates for similar projects within the last 5 years.
• ✓ Financial stability demonstrated by a valid Bank Solvency Certificate (minimum amount: ₹5,00,000).
• ✓ Submission of Income Tax Returns, Profit & Loss Accounts, and Balance Sheets for the last three financial years.
• ✓ Valid GST Registration and PAN Number.
• ✓ Partnership Deed/Latest Form-G or Proprietorship Self-Affidavit.
• ✓ Duly signed technical and financial documents as per tender guidelines.

Qualification Requirements	Details
Registration	Approved Contractor in appropriate class
Experience	Minimum 3 similar high-voltage substation projects
Financial	Bank Solvency of at least ₹5,00,000
Documentation	Tax returns, financial statements, experience certificates

Bidders must meet all the above criteria to qualify for participation.

The technical parameters for the replacement work are:

Parameter	Specification
Voltage Level	66kV
Bus Type	Pipe bus
Material	Conductive metal with insulation
Insulation Standard	IEC 60071
Safety Compliance	IEC, IEEE standards

Sequential procedures include:

1. Site inspection and assessment.
2. Procurement of specified materials.
3. Removal of existing bus and isolator structures.
4. Installation of new bus and isolator components.
5. Electrical testing and commissioning.
6. Final inspection and handover.

All technical work must adhere to the specifications outlined in the tender document and relevant safety standards.

The estimated project cost is approximately ₹17,65,199.39. The financial breakdown includes:

Cost Component	Amount (₹)
Material	10,00,000
Labour	4,00,000
Equipment	2,00,000
Miscellaneous	1,65,199.39

Bidders are required to submit a bid with a percentage rate and OLM (Operation, Maintenance, and Labour) cost. Payment terms are linked to project milestones, with 30% advance, 40% upon installation, and 30% after successful testing and commissioning. All payments are subject to submission of valid invoices and certification from GETCO.

The bidding process involves the following steps:

1. Download the tender document and register on the nProcure portal.
2. Submit the Technical bid along with all required documents before the deadline.
3. Submit the Financial bid in the prescribed format.
4. The bids will be opened publicly on the scheduled date.
5. Evaluation of technical and financial bids will be conducted as per criteria.
6. Successful bidders will be notified for contract signing.

The timeline for the process is:

Event	Date & Time
Bid Submission Start	30-05-2025 16:30
Bid Submission End	21-06-2025 16:00
Technical Evaluation	21-06-2025 16:15
Commercial Evaluation	21-06-2025 16:30

All bidders must ensure submission of complete documentation and adhere to the deadlines.

Bids will be evaluated based on:

Criteria	Max Score	Weightage
Technical competence and experience	50	50%
Financial bid	30	30%
Compliance with technical specifications	20	20%

Minimum qualifying marks are 70% overall. Evaluation factors include: - Past project experience - Financial stability - Technical compliance - Bidder’s capacity to complete the project within the stipulated time

Bidders must meet all minimum thresholds to qualify for award consideration.

Date	Event	Details
30-05-2025	Bid Start Date	Bidders can download tender documents and submit bids
21-06-2025	Bid End Date	Last date for bid submission at 16:00
21-06-2025	Technical Evaluation	Evaluation of technical bids at 16:15
21-06-2025	Commercial Evaluation	Opening of financial bids at 16:30
22-06-2025	Award Notification	Expected date for contract award

All deadlines are strict; late submissions will not be entertained.

Gujarat Energy Transmission Corporation Limited

| Name | The Superintending Engineer |
| Address | 220kV Sub-station Campus, NH 48, Grid, Kabilpore Navsari - 396427 |
| Phone | 9925209699 |
| Email | nprocure@ncode.in |
| Support Contact | (n)Procure Support Team, GNFC Ltd., Ahmedabad, Phone: +91-79-40007517, 40007514, 40007515 |

Potential bidders are encouraged to contact the designated authority for clarifications and support during the bidding process.

All interested bidders must carefully review the tender document available for download on the nProcure portal. It contains detailed technical specifications, eligibility criteria, terms and conditions, and submission guidelines. Bidders are advised to attend the free vendor training sessions scheduled every Saturday at (n)code solutions, Ahmedabad, to ensure smooth participation. The entire process is governed by the rules of transparency and fairness, with evaluations based on merit and compliance. Ensure all documents are duly signed, digitally signed where applicable, and submitted within the stipulated deadlines for successful bid submission. For further clarifications, contact the provided support channels.