CMRL

Our Projects

CMRL – Chennai, Tamil Nadu

Project Overview

TOP A INDIA Contractors carried out specialised injection waterproofing works for Chennai Metro Rail infrastructure, including stations and tunnel sections. The works focused on sealing active water ingress and treating leakage paths within underground structures, using targeted injection techniques suited to the conditions encountered.

Project Challenge

Active water ingress through cracks, joints and construction interfaces within underground metro structures.
Leakage paths occurring in difficult-to-access areas of stations and tunnels.
Existing water paths requiring treatment from within the structure rather than conventional surface waterproofing.
Maintaining effective water-tightness across critical underground infrastructure.

Client

Chennai Metro Rail Limited (CMRL)

Location

Chennai, Tamil Nadu

Our Approach & Solution / Project Scope

Inspection and identification of active leakage points and vulnerable areas requiring injection treatment.
Drilling and installation of injection points at identified leakage locations.
Controlled injection treatment to seal water paths, cracks and joints within the affected areas.
Verification of treated locations to confirm effective leakage arresting and water sealing.

Project Results

Successfully addressed identified leakage points across metro stations and tunnel sections.
Sealed internal water paths and improved water-tightness of treated areas.
Provided a targeted waterproofing solution with minimal intervention to the existing structures.
Enhanced protection and durability of critical underground metro infrastructure.

Have a problem to solve?

Cracks. Leaks. Corrosion. Deterioration. Structural distress. Tell us what you’re
seeing, and we’ll help determine what it needs and how to fix it.

Top A India Contractors

Solutions

Company

Reach Us

9750529111 / 666

info@topaindia.com

#1228 1st Floor, Asian Majestic Apartment, 15th Street West End colony, Anna Nagar West Extn, Chennai-600 101, Tamil Nadu