10/02/2023 New 4.5m Manhole Box from Groundforce Shorco fills the gap. A 4.5m Manhole Box that is a sought-after shoring solution when installing precast concrete rings up to 3m in diameter has been added to leading UK construction solutions supplier Groundforce Shorco’s fleet. The new 4.5m Manhole Box joins the portfolio of Groundforce Shorco, and