Page 5 - Pro Mech Brochure - 2022 Brochure.cdr

P. 5

GROUND
SUPPORT
SYSTEMS

BACKHOE TRENCH BOX

The Backhoe Trench Box is a robust piece of equipment, which acts as a safety • Provides safe working area
shield to provide a safe working area below ground level. For use when working below ground.
on excavations and pipe laying operations. The backhoe trench box can sustain • SWL of 20kn/m 2
2
working earth pressures of up to 20kN/m . Users should check that the
excavation will not impose greater pressures than this. • Easily assembled.
• Dig and Push method.
Installation is easy through the ‘Dig and Push’ method. This ensures that the
• 3m long x 2m base panels.
side walls of the excavation are supported, and minimises the likelihood of an
accident. The panels are 3m long by 2m deep with a width range of 600mm to • Width range of 600mm
2400mm which can be altered using telescopic struts, these are secured in place to 2400mm.
using the ‘Pin and Clip’ system, which connects all components. Backhoe box • Extension tops are 3m x 1m,
tops can be used to obtain 3m in depth.
maximum 1 top per box.
Struts Internal (mm) • Maximum working depth 3m.

Size 1 600 - 800 • Pin and ‘R’ Clip method.
Size 2 800 - 1000 • Base unit weight of 730kg.
Size 3 1000 - 1200 • 1200mm clearance below
Size 4 1200 - 1400 lower strut.
Size 5 1400 - 1600
• Additional equipment available.
Size 6 1600 - 1800
Size 7 1800 - 2000
Size 8 2000 - 2200
Size 9 2200 - 2400

Backhoe Trench Box Base Top

3000
Panel Length (mm) 3000
1000
Panel Height (mm) 2000
60
Panel Thickness (mm) 60
Overall External Trench Width (mm) 720 - 2520 720 - 2520
420
Weight (kg) 730
Distance Between Struts (mm) 2670
2670
–
Clearance Below Strut (mm) 1200
Standard Working Load 20kn/ m 2 2
20kn/ m