Backhoe Manhole Box
Manhole Boxes are similar to trench boxes, however integral end return panels provide additional support making them ideal for installing pre-cast manhole rings trench runs, without the need to alter the trench width.
- A lightweight manhole box ideal for use with 180 degree rubber tyred excavators
- Typical base weight from 912kg
- Suitable for excavation depths up to 4.0m
- Simple pinned strut arrangement
- A range of strut lengths is available for non- square configurations
- 1.2m clearance under bottom strut.
- End closure panels available to support the open ends of the box
- Handrails available
- Four way handling point to aid safe assembly
Specification
|
|
2.0m Long |
2.5m Long |
3.0m Long |
| Specification |
Base |
Top Ext |
Base |
Top Ext |
Base |
Top Ext |
| To Suit Manhole Ring Size (mm) |
1050 / 1200 |
1050/1200/1350 |
1350/1500/1800 |
| Strut Length (mm) |
850 |
1300 |
1800 |
| Plate Length (m) |
2.0 |
2.0 |
2.5 |
2.5 |
3.0 |
3.0 |
| Plate Height (m) |
2.0 |
1.0 |
2.0 |
1.0 |
2.0 |
1.0 |
| Plate Thickness (mm) |
60 |
60 |
60 |
60 |
60 |
60 |
| External Trench Width (mm) |
1.47 - 2.00 |
1.47 - 2.00 |
1.47-2.50 |
1.47-2.50 |
1.47-3.00 |
1.47-3.00 |
| Internal Trench Width (mm) |
1.35 - 1.88 |
1.35 - 1.88 |
1.35-2.38 |
1.35-2.38 |
1.35-2.88 |
1.35-2.88 |
| Weight (Kg)* |
914 |
477 |
965 |
506 |
1128 |
637 |
| Distance Between Struts B (m) |
1.84 |
1.84 |
2.34 |
2.34 |
2.84 |
2.84 |
| Strut Clearance Height (m) |
1.2 |
N/A |
1.2 |
N/A |
1.2 |
N/A |
* Weights are approximate and may vary with extensions used.