Restoration of RCC Structure, NALCO Cooling Towers

Client: NALCO (National Aluminium Company Limited)

Overview: Varshitha Concrete Technologies Pvt Ltd took a strategic approach to restore RCC structures of Cooling Towers 1, 2, 4, and 5 at NALCO, focusing on structural rehabilitation and strengthening.

Scope:

• Conducted assessment to identify areas needing rehabilitation.
• Developed a plan for structural enhancements.
• Used advanced techniques like shotcreting, RCC jacketing, and epoxy grouting.
• Applied coatings for durability.
• Maintained timelines and quality standards.

Approach:

• Rehabilitated Gear Box Foundation, Shaft Beam, and Supporting Beams
• Encased Structural I Beams and installed suspenders for baffles
• Repaired joints of precast fill beams, installed RCC fins, strengthened Cantilever beams and Chajjas
• Restored C.T. Fan Dome Shell, GearBox supporting columns, and Roof slab

Duration: May 2022 to April 2024

Outcome: Efficient completion ensuring structural integrity and prolonged operational efficiency for NALCO's cooling towers.