When Marra Services tackles complex, large-diameter sewer and manhole repair projects, it brings out the heavy artillery: a Quadex I-MARS Gen1 infrastructure rehabilitation system that has significantly amped up the Cleveland-based company’s productivity and profitability.
A good example is a project the company took on in 2018 in Lakewood, a western suburb of Cleveland located along Lake Erie. The project required repairing a 129-foot-deep brick manhole that ranged from 4 to 8 feet in diameter, plus an egg-shaped brick culvert that was roughly 350 feet long, 6 1/2 feet tall and 5 1/2 feet wide. The manhole and the culvert were
