Open Power and Energy NPROCURE

Government Tender for Overhauling Bottom Ash Hopper & Parts at Ukai TPS (WT-5018)

Q: What is the deadline for bid submission?

The bid submission deadline is **24th November 2025 at 18:30**. Bidders must upload all required documents before this time to be considered.

Q: How can I participate in this tender?

Interested bidders must **register on the nProcure portal**, download the tender documents, attend any pre-bid meetings if needed, and submit their bids **online before the deadline**. Ensure all technical and financial documents are correctly uploaded.

Q: What technical standards must the components meet?

Components must comply with **IS and IEC standards**, withstand temperatures up to **1000°C**, and be made of **high-grade steel, refractory, or corrosion-resistant alloys**. Post-overhaul testing is mandatory for system integrity.

Q: How is the evaluation of bids conducted?

Bids are evaluated based on **technical competence (50%)**, **financial offer (30%)**, and **compliance with technical specifications (10%)**. A minimum technical score of 70% is required for qualification.

Bid Publish Date

04-Nov-2025, 12:30 pm

Bid End Date

01-Dec-2025, 6:30 pm

EMD

₹45,555

Value

₹15,18,500

Location

TAPI , GUJARAT

Progress

Issue04-Nov-2025, 12:30 pm

AwardPending

Explore all 4 tabs to view complete tender details

Tender Type

Open

Sector

Power and Energy

Tender Fee

₹1,770

Contract Form

Works

Completion Period

18 Months

Currency Type

Single

Categories 5

SOLID ROCKET MOTORS NOZZLE ASH PLANT BLASTING MACHINE PIPES

This government tender offers a unique opportunity for experienced contractors to undertake the complete overhauling of the bottom ash hopper and connected components at Ukai Thermal Power Station. Managed by Gujarat State Electricity Corporation Limited, this project is essential for maintaining efficient and safe ash handling operations in a major power plant. The tender involves detailed technical work, including disassembly, replacement, and reassembly of critical parts, ensuring compliance with safety and environmental standards. Bidders must meet strict eligibility criteria, submit required documents, and adhere to online submission protocols. With a project duration of 18 months and a bid deadline of 24-11-2025, this tender is ideal for companies specializing in power plant maintenance, refractory systems, and industrial engineering. Participating in this tender can enhance your company's reputation in the power and energy sector while contributing to sustainable power generation in Gujarat.

Scope Of Work

The scope of work includes:

Complete overhauling of bottom ash hopper and connected parts such as seal troughs, seal plates, flushing nozzles, drip shields, refractory cooling pipes, and other components.
As and when required maintenance to ensure continuous plant operation.
Replacement and repair of refractory cooling pipes and other critical parts.
Inspection and testing of the ash handling system post-overhaul.

The process involves:

Preparation and mobilization at the site.
Disassembly of existing components for inspection.
Replacement of worn-out parts with specified standards.
Reassembly and alignment of components.
Testing and commissioning to verify operational efficiency.

Component	Specification	Remarks
Seal Trough	High-temperature resistant material	To prevent ash leakage
Seal Plate	Durable steel with sealing gasket	Ensures airtight seal
Flushing Nozzle	Corrosion-resistant alloy	For effective ash removal
Refractory Cooling Pipes	Refractory material suitable for high temperatures	To maintain temperature stability

Adherence to safety and environmental standards during execution.
Documentation and reporting of work progress and completion.

Technical Specifications

The technical specifications include:

Component materials: High-grade steel, refractory materials, corrosion-resistant alloys.
Operating temperature: Components must withstand temperatures up to 1000°C.
Design standards: Comply with IS and IEC standards relevant to power plant ash handling systems.
Installation procedures:
- Disassemble existing parts carefully.
- Replace with specified components.
- Conduct pressure and leak tests.
- Ensure proper sealing and alignment.

Technical parameters:

plaintext

Parameter	Value
Temperature Resistance	Up to 1000°C
Material	Steel, refractory, alloy
Pressure	As per plant specifications

Post-overhaul testing to confirm system integrity and safety.

Financial Requirements

The estimated project cost is INR 15,18,500. The bid security deposit (EMD) is INR 45,555, payable via bank guarantee or demand draft. The tender fee is INR 1770, non-refundable, payable online. Payment terms include:

Bid submission: Complete bid documents including technical and financial proposals.
Payment schedule:
- 10% advance upon award.
- 40% after completion of disassembly.
- 40% after successful reassembly and testing.
- 10% retention after final acceptance.
Payment methods: Online transfer, bank guarantee, or demand draft.

The total project budget covers material procurement, labor, testing, and safety compliance costs.

Past Similar Tenders (Historical Results)

5 found

Custom Bid for Services - Operation & Maintenance of Ash Handling System at NNTPS (2X500MW)

Nlc India Limited

CUDDALORE, TAMIL NADU

Posted: 15 April 2025

Closed: 9 May 2025

GEM

Custom Bid for Services - 200141259 Annual Maintenance Works in Bottom Ash, DAETP, Fly Ash Disposal

Ntpc Limited

KARIM NAGAR, TELANGANA

Posted: 13 May 2025

Closed: 23 May 2025

GEM

Repair, Maintenance, and Installation of Plant/ Systems/Equipments (Version 2) - WT 4961 G Work of

Gujarat State Electricity Corporation Limited (gsecl) Vadodara

SURAT, GUJARAT

Posted: 3 June 2025

Closed: 29 July 2025

GEM

Custom Bid for Services - 200138846 Biennial Maintenance and unit overhaul works in Bottom ash syst

Ntpc Limited

KARIM NAGAR, TELANGANA

Posted: 1 February 2025

Closed: 12 February 2025

GEM

Repair, Maintenance, and Installation of Plant/ Systems/Equipments (Version 2) - CRN 4471 Biennial

Aravali Power Company Private Limited

JHAJJAR, HARYANA

Posted: 16 August 2025

Closed: 1 September 2025

GEM

🤖 AI-Powered Bidder Prediction

Discover companies most likely to bid on this tender

Live AI

Historical Data

Eligibility Criteria

✓ Must have valid registration and licenses to operate as a contractor in power plant maintenance.
✓ Must submit scan copy of payment receipt of Tender fee (INR 1770) and EMD of INR 45,555 during preliminary submission.
✓ Experience in ash handling system maintenance at thermal power plants is preferred.
✓ Financial stability as per the following criteria:

Parameter	Minimum Requirement
Annual Turnover	INR 15,18,500 (or equivalent)
Net Worth	Positive net worth for the last financial year

✓ Must possess necessary technical certifications and safety standards compliance.
✓ Bidders should have completed similar projects with satisfactory performance in the last 3 years.
✓ All documents must be valid and up-to-date, including GST registration, PAN, and other statutory requirements.

Bidding Process

Process Timeline

1. Preliminary stage

02-12-2025 15:00

2. Technical Stage

02-12-2025 15:05

3. Commercial Stage

02-12-2025 15:30