• 300 Pennsylvania Ave NW, Washington, DC 20006, USA
Manhole Box ProMech Ground Support Systems in Hampshire, East Sussex, Somerset

Manhole Box

The Manhole Box is a four sided excavation protection system, which is used whilst installing pre-cast manholes, chambers or tanks. The manhole box can be used in conjunction with trench boxes.

The manhole box is quick and easy to install and can be used in trenches up to 5.5m deep. Six different sized panels are available to suit all pre-cast manhole rings. Two additional top boxes can be used with the Manhole base box to increase depth to 5.5m.

All manhole boxes up to 3m are available in Light Duty range for smaller machines @ 30kn/m2 up to 4m in depth.

Product Description

  • Four sided.
  • Dig and Push.
  • Additional extension boxes.
  • Used in excavations up to 5.5m in depth.
  • Six different sizes available.
  • Closing panels available.
  • Edge Safe Systems available.
  • Ladder Access system available.
Manhole Box 2.0m 2.5m 3.0m 3.5m 4.0m 4.5m
Base Top Base Top Base Top Base Top Base Top Base Top
Panel Length(mm) 2000 2000 2500 2500 3000 3000 3500 3500 4000 4000 4500 4500
Panel Height(mm) 2000 1000 2500 1500 2500 1500 2500 1500 2500 1500 2500 1500
Panel Thickness(mm) 60 60 100 100 100 100 100 100 100 100 100 100
Weight(kg) 1222 516 2402 1374 2608 1670 2800 1800 3570 2370 4850 2910
Distance Between Struts(mm) 1820 1820 2220 2220 2720 2720 3220 3220 3780 3780 4490 4490
Strut Height Clearance(mm) 1500 1500 1500 1500 1500 1500
To Suit Ring Size(mm) 1050/1200 1050/1200/1350 1350/1500/1800 1800/2100 2100/2400/2700 3000
Standard Working Load 42kn/m2 40kn/m2 40kn/m2 40kn/m2 40kn/m2 35kn/m2