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3.5m Manhole Box
Suitable support for the construction of manhole rings 1800 or 2100mm in diameter
  • For rapid construction of manhole chambers and interceptors
  • Can be used up to 5.5m deep in conjunction with up to two top extension units
  • Can be installed in a pre-excavated trench, or by progressively digging and pushing insitu
  • Handrail panels are available for this product
  • Top and base can be sold separately 

Associated Products

Unless otherwise stated, prices shown are for a complete unit and all the necessary components to support a 1.0m wide trench (the precice operating range may vary). Additional components are available at extra cost.
From £P.O.A
3.5m Manhole Box Top Base
Plate Length (mm) 3500 3500
Plate Height (mm) 1500 2500
Plate Thickness (mm) 106 106
Min Internal Width (mm) 3500 3500
Max Internal Width (mm) 3500 3500
Strut Plan Clearance (mm) 3280 3280
Strut Vertical Clearance (mm) N/A 1500
Approximate (Assembled) Weight (kg) 1580 2600