Manhole repair can be complex and time-consuming. Many manholes develop leaks in the chimney area, which is subject to wear from the stress of traffic and from freezing and thawing. In repairing these manholes, crews face the challenges of sealing or otherwise repairing the chimney and resetting the manhole casting itself in a way that both excludes clear-water infiltration and leaves a smooth road surface. Poorly leveled manholes can cause problems for motorists driving over them.Traditional repairs require crews equipped with jackhammers or saws to break up the roadway surrounding the manhole, re-level the manhole frame, and then refinish the
