Standard Manhole Box 4.7m

TB218

GAP’s manhole boxes are designed for use in conjunction with our manhole shutters. 

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Full Description

GAP’s manhole boxes are designed for use in conjunction with our manhole shutters, allowing fast manhole construction without the need for a worker to enter the unsupported excavation.

  • Clearance between struts: 4449mm
  • Trench width (internal): 3030mm (min)/4510mm (max)
  • Max Lateral Earth Pressure: 35kN/m2
  • Max Trench Depth: 5500mm
  • Extension Panel Weight : 1440kg
  • Thickness of Panel: 100mm
  • Complete base box weight: 4256kg
  • Complete extension box weight: 3034kg