
Structural repair is one of four general steps in the manhole rehabilitation process. Cementitious mortars, which can be troweled, brushed, sprayed or spin-cast, are the most common structural repair materials.
Manholes are critical factors contributing to the accelerated deterioration of collections systems. In addition to significant inflow and infiltration problems, cracked and eroded manholes allow soil, gravel and other abrasives to enter sewer systems and eat away at your infrastructure.
As the pace of corrosion intensifies, associated costs and risks will continue to rise unless sanitary sewer system owners take action to rehabilitate your manhole infrastructure. Fortunately,...