Manhole Boxes
- Solid and hard wearing – ensures maximum safety
- Normally selected where control of ground movement is non-critical
- 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
Description
Manhole Boxes are used for medium size projects and are a combination of box plates with our heavy duty strut system. Heavy Duty Struts are fixed to the box plates by a single steel pin.
Specifications
| Description | Length (mm) |
Height (mm) |
Plate Thickness (mm) |
Inside Strut Clearance (mm) |
Strut Clearance (mm) |
Safe Working Load (kN/m2) |
Weight Per Box (kg) |
|---|---|---|---|---|---|---|---|
| Base | 2500 | 2400 | 60 | 2100 | 1300/1500 | 55.40/39.40 | 1890 |
| Top | 2500 | 1400 | 60 | 2100 | – | 55.40 | 1160 |
| Base | 3000 | 2400 | 60 | 2600 | 1300/1500 | 45.40/32.90 | 2085 |
| Top | 3000 | 1400 | 60 | 2600 | – | 45.40 | 1255 |
| Base | 3500 | 2400 | 60 | 3100 | 1300/1500 | 34.30/28.20 | 2225 |
| Top | 3500 | 1400 | 60 | 3100 | – | 34.30 | 1350 |
| Base | 4400 | 2500 | 100 | 4100 | 1300/1500 | 45.00/35.00 | 3400 |
| Top | 4400 | 1300 | 100 | 4100 | – | 45.00 | 2110 |
| Struts | Closed (mm) |
Opened (mm) |
Weight (kg) |
|---|---|---|---|
| Standard | 1000 | 1300 | 65.0 |
| Extension | 300 | 13.3 | |
| Extension | 500 | 18.8 | |
| Extension | 1000 | 31.5 |