Manhole Boxes
For rapid construction of manhole chambers and interceptors.
- Can be used in trenches up to 5.5m deep in conjunction with up to two top extenstion units
- Five panel lenghts are available to suit all common pre-cast ring sizes.
- Manhole boxes may be installed in either a pre-dug trench in stable ground, or by a progressive 'dig and push' method.
- Handrail panels are available for this product.
Maximum panel pressure nust not be exceeded.
| 2.5m Long | 3.0m Long | 3.5m Long | 4.0m Long | 4.7m Long |
| Base | Top Ext | Base | Top Ext | Base | Top Ext | Base | Top Ext | Base | Top Ext |
| To suit ring size (m) | 1050/1200/1350 | 1350/1500/1800 | 1800/2100 | 2100/2400/2700 | 2700/3000 |
| Plate Length (m) | 2.5 | 2.5 | 3.0 | 3.0 | 3.5 | 3.5 | 4.0 | 4.0 | 4.7 | 4.7 |
| Plate Height (m) | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 |
| Plate Thickness (mm) | 106 | 106 | 106 | 106 | 106 | 106 | 106 | 106 | 106 | 106 |
| Overall Trench Width (m) | 1.5-5.3 | 1.5-5.3 | 1.5-5.3 | 1.5-5.3 | 1.5-5.3 | 1.5-5.3 | 1.5-5.3 | 1.5-5.3 | 4.7 | 4.7 |
| Typical Weight (Kg) | 2430 | 1660 | 2710 | 1840 | 3025 | 2036 | 3272 | 2200 | 3450 | 2050 |
| Distance Between Struts (m) | 2.05 | 2.05 | 2.55 | 2.55 | 3.05 | 3.05 | 3.55 | 3.55 | 4.45 | 4.45 |
| Strut Clearance Height (m) | 1.5 | - | 1.5 | - | 1.5 | - | 1.5 | - | 1.5 | - |
* Weights are approximate and may vary with extensions used.
Note: 4.7m box uses fixed struts.
