Trench work is inherently dangerous, and trench boxes used in trench and excavation projects help keep workers safe and protected from cave-ins. Eight tips from United Rentals enhance trench box ...

The lightweight, aluminum Octagon Box is comprised of standard Build-A-Box aluminum panels, pinned in exclusive 135° angle vertical posts. The result is a safe, lightweight, “manhole shield” that is ...

The Anchorage Water and Wastewater Utility let a $7-million contract last year to install 4,200 linear feet of high-capacity 48-inch-diameter steel spiral water main pipe, in 40-foot joint lengths.