Underground sewer maintenance work today utilizes many trenchless construction and rehabilitation procedures designed to reduce the need to excavate or dig trenches to install and maintain these systems. However, many heavy-duty manhole construction and rehabilitation projects still require wide, deep, worker-entry trenches. That’s why taking proper shoring precautions with every manhole excavation is paramount for keeping work crews safe and on the job.Xtream Duty Manhole Boxes from Pinnacle Mfg. are strong enough to handle the pressure from unstable soil conditions and provide a safe space for workers, protecting them from a trench collapse. Whether digging the foundation for a building
