Manhole Box

A four-sided mechanical excavation support manhole box ideal for installing pre-cast concrete manholes and small chambers or tanks where ground movement is non-critical. Can be used to form part of a continuous trench system in excavations up to 5.8m deep and 4.4m wide.

  • Designed to be installed by excavator using either the dig and push or excavate and place technique
  • Bottom cutting edge for ease of installation
  • Top panels available to increase excavation depth

Technical Specification

DescriptionLength x Height (mm)Max Depth (m)Internal Width (m)Panel Thickness (mm)Box Weight (kg)Length between Struts (m)Under Strut Clearance (m)Panel Return Width (m)
Lightweight Micro Base2000 x 17804.01.9609081.80.80.6
Micro Base2000 x 17804.01.96011221.80.80.6
Micro Top2000 x 1100N/A1.9607411.8N/A0.6
Mini Base2500 x 20204.22.46015402.30.90.7
Mini Top2500 x 1100N/A2.4609382.3N/A0.7
Midi Base3000 x 20204.22.96016922.80.90.7
Midi Top3000 x 1100N/A2.96010182.8N/A0.7
Standard Base3500 x 25625.83.310027623.31.30.9
Standard Top3500 x 1624N/A3.310019963.3N/A0.9
Titan Base4400 x 25625.84.110038244.21.31.3
Titan Top4400 x 1624N/A4.110029644.2N/A1.3
For more information download the MGF Manhole Box Technical File
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Video Guide

For more information download the MGF Manhole Box file
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MGF’s 3D computer modelling enabled us to convey the concept and construction methods that were envisaged, which provided a higher level of confidence in the equipment and thus eased the approvals process.

- Chris Thomas, Director, Volker Ground Engineer

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