Bidding documents for the construction of a 132/33 kV Barpeta Substation typically include detailed information for potential contractors bidding on the project. Here's an overview of what such documents might entail:
Project Overview: Describes the purpose and scope of the project, including the construction of the 132/33 kV Barpeta Substation. This section may include project objectives, milestones, and desired outcomes.
Technical Specifications: Outlines the technical requirements for the construction. This includes details about the substation layout, equipment specifications, electrical components, safety standards, and any special requirements unique to the project.
Scope of Work: Defines the specific tasks and activities that the contractor is expected to perform. This could include site preparation, installation of equipment, testing procedures, and commissioning of the substation.
Qualification Criteria: Lists the qualifications and requirements that contractors must meet to be eligible for bidding. This may include experience in similar projects, financial stability, and necessary certifications.
Bidding Procedures: Explains the process and deadlines for submitting bids. This section often includes details on the submission format, deadlines, and any required bid bonds or deposits.
Contract Terms and Conditions: Outlines the legal and contractual aspects of the agreement, including payment terms, performance bonds, insurance requirements, dispute resolution mechanisms, and any other relevant terms and conditions.
Site Visit Information: Provides details on scheduled site visits, allowing potential bidders to inspect the project site and gather additional information before submitting their bids.
Cost Estimates: May include preliminary cost estimates or budget information to give bidders an idea of the financial scope of the project.
Bid Submission Requirements: Specifies the format and content expected in the bid proposal. This could include technical and financial proposals, completion schedules, and any other documentation required for a comprehensive bid.
Evaluation Criteria: Details how bids will be evaluated and the criteria that will be used to select the winning bid. This may include technical expertise, cost, and proposed project timelines.
It's important for potential bidders to thoroughly review these documents, ask any necessary clarifying questions, and ensure that their bids align with the specified requirements. This helps create a transparent and fair bidding process and increases the likelihood of successful project completion.
Bidding Document for Construction of 132/33 kV Barpeta Substation
This document serves as a comprehensive guideline for contractors and bidders participating in the tender for constructing a 132/33 kV substation at Barpeta. It outlines the technical, financial, and procedural requirements, ensuring a transparent and efficient bidding process.
1. Project Overview
1.1 Objective
To construct a 132/33 kV substation to enhance the region's power transmission and distribution infrastructure. The project aims to:
- Meet the growing electricity demand in Barpeta and surrounding areas.
- Improve grid reliability and voltage stability.
- Reduce power outages and enhance system efficiency.
1.2 Scope of Work
The scope includes:
- Civil works: Site preparation, foundation, and building construction.
- Installation of equipment: Transformers, switchgear, and control panels.
- Testing and commissioning of the substation.
- Integration with the existing transmission network.
2. Instructions to Bidders
2.1 Eligibility Criteria
- Technical Qualification:
- Experience in constructing at least two 132/33 kV substations in the last five years.
- Proven capability in handling similar turnkey projects.
- Financial Qualification:
- Minimum annual turnover of ₹X crore in the past three financial years.
- Net worth not less than ₹Y crore.
2.2 Bid Submission
- Bids must be submitted in two parts:
- Technical Bid: Includes qualifications, methodology, and compliance statements.
- Financial Bid: Includes pricing, taxes, and payment terms.
- Both bids should be sealed separately and submitted as per the timeline provided.
2.3 Bid Evaluation
- Technical Evaluation: Compliance with specifications, methodology, and past experience.
- Financial Evaluation: Competitiveness of the bid price and payment terms.
- The contract will be awarded to the bidder with the most advantageous bid (technical and financial).
3. Technical Specifications
3.1 Equipment
- Power Transformer:
- Voltage ratio: 132/33 kV.
- Capacity: 50 MVA (or as specified).
- Cooling: ONAN/ONAF.
- Gas-Insulated Switchgear (GIS) or Air-Insulated Switchgear (AIS):
- Rated voltage: 132 kV and 33 kV.
- Fault level: 40 kA for 3 seconds.
- Control and Relay Panels:
- Numerical relays for protection.
- SCADA compatibility.
- Busbar System:
- Material: Aluminum or copper as specified.
- Type: Double busbar configuration.
- Auxiliary Power Supply:
- 33 kV auxiliary transformer.
- Battery and charger systems.
3.2 Civil Works
- Control room building, transformer foundation, and equipment pads.
- Boundary walls, drainage systems, and fire protection measures.
- Internal roads and landscaping as per specifications.
3.3 Testing and Commissioning
- Pre-commissioning tests for transformers, switchgear, and control systems.
- Relay setting and testing.
- Integration with the existing grid and load testing.
4. Financial Aspects
4.1 Estimated Cost
The estimated project cost is ₹X crore. Bidders should provide detailed cost breakdowns, including:
- Equipment costs.
- Installation and commissioning charges.
- Civil works expenses.
4.2 Payment Terms
- Advance payment: X% upon signing the contract.
- Milestone payments: Linked to project progress (e.g., 20% on equipment delivery).
- Final payment: After successful commissioning and handover.
4.3 Performance Guarantee
- A performance bank guarantee of 10% of the contract value is required.
- Valid for the defect liability period (typically 12–24 months).
5. Contract Terms
5.1 Completion Timeline
The project must be completed within 18 months from the date of contract signing. Delays will attract penalties as per the liquidated damages clause.
5.2 Defect Liability Period
- The contractor must address defects arising during the specified liability period.
- Regular inspections and maintenance are required during this time.
5.3 Force Majeure
- Provisions for unforeseen events like natural disasters, strikes, or pandemics.
6. Appendices
- Appendix A: Technical drawings and layout.
- Appendix B: Standard bidding forms.
- Appendix C: List of approved equipment vendors.
- Appendix D: Safety and environmental guidelines.
Conclusion
The Bidding Document for Construction of the 132/33 kV Barpeta Substation ensures a systematic, transparent, and competitive process. Contractors must carefully adhere to the guidelines, technical specifications, and timelines to ensure the successful execution of this critical infrastructure project.
