Utility Tunnel Concrete Repair
Maple Grove Enterprises was recently called in by a large company in New York to address a utility tunnel in disrepair. The tunnel, constructed nearly 80 years ago, has been badly damaged by water and road salt seeping into the ground and corroding the rebar and support beams. The pressure from the rusted rebar cracks the concrete, resulting in unsafe conditions in the tunnel. Our customer was greatly concerned with resolving this safety issue before it caused damage to the steam lines.
First on our team's agenda was to remove the damaged concrete. They then used a needle scaler to remove rust and scale from the rebar and steel support beams. Using a number of Engineered Resin Solutions (ERS) products, they repaired and then coated the concrete and coated the exposed rebar with epoxy products.
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(Click on any photo for a tour of the concrete repair job.)
