Contractor Chooses Steel Manhole Risers for Multiple Projects

Problem: Founded in 1969, Herzog Contracting Corporation is a giant, with six divisions spread across rail, waste management and roadway construction and maintenance. In 2014, Herzog began implementing a roadway contracting innovation from another firm, the Pivoted Turnbuckle Manhole Riser from American Highway Products. “We’d been using cast-iron risers exclusively to raise manholes to grade,” says Bryan Jones, vice president of project delivery in Herzog’s Heavy Highway Division. “They were effective in many ways, but inventory was a persistent challenge. We perform work for a lot of different municipalities, all with differently sized manholes, and it was difficult to keep