Waterproofing and Leakage Prevention at Walwhan Dam, Lonavala

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PROJECT OVERVIEW

Waterproofing and Leakage Prevention at Walwhan Dam, Lonavala

In May 2021, Sanbros Spares Pvt. Ltd. executed a duct line remediation project for Tata Power at Walwhan Dam, Lonavala. The 7.4 km duct line suffered severe leaks, causing water loss and financial impact.
To resolve this, Sanbros applied specialized waterproofing, completing a high-precision 20m patch repair within a tight 18-hour window, ensuring minimal downtime.
February 6, 2025
Lonavala, Maharashtra

The Problem

The Walwhan Dam duct line at Tata Power, Lonavala, suffered from severe water leakage across multiple sections along its 7.4 km length. This leakage resulted in significant water loss, impacting power generation efficiency and leading to financial setbacks.

The challenge was executing a high-precision waterproofing solution within a tight 18-hour timeframe, ensuring minimal disruption to operations. Additionally, restricted access within underground tunnels and aqueducts made the repair work logistically complex, requiring meticulous planning and execution.

The Solution

To tackle severe water leakage in the Walwhan Dam duct line, the team implemented a high-precision waterproofing solution. The process involved thorough cleaning of damaged areas, groove formation for secure sealing, and the application of epoxy and sealing materials to prevent future leakage.
The work was completed within a strict 18-hour timeframe, ensuring minimal disruption to Tata Power’s operations. A systematic approach, including pre-planning, site preparation, and continuous execution, resulted in a highly effective and long-lasting solution.
Before
After

Efficient Water Management

By reinforcing critical duct areas, the solution improved water flow efficiency, reducing operational losses and enhancing system performance.

Leak Prevention and Structural Reinforcement

The project introduced a specialized waterproofing treatment, sealing cracks and leakage points, ensuring long-term durability and preventing water loss.

Precision-Driven Execution

The process involved site preparation, advanced sealing techniques, and rapid execution, ensuring on-time completion with maximum efficiency.

Results

Sanbros’ expertise in infrastructure remediation was evident in the Tata Power Walwhan Dam Project, where a high-precision waterproofing solution sealed leaks, prevented water loss, and enhanced efficiency. Completed ahead of schedule, it ensured minimal disruption and long-term durability.

Sealing Critical Leak Points for Long-Term Efficiency

Using advanced waterproofing techniques, the project eliminated leakages, ensuring efficient water flow and reducing financial losses.

Enhancing Structural Integrity

The reinforcement of weak sections improved duct durability, preventing future erosion and minimizing maintenance needs.

Turning Eroded Slopes into Stable Terrain

Thinking innovatively to protect slopes and prevent erosion, ensuring long-term safety and protection even in challenging environments.

Enhancing Natural Vegetation

Implementing advanced solutions to promote vegetation growth and support ecological balance, transforming empty slopes into healthy landscapes.

"Sanbros Spares Pvt ltd. has been a game-changer for our business. Their innovative solutions, seamless execution, and commitment to excellence have transformed our operations and elevated our customer experience."
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