Manhole Bracing Frames
Groundforce offer a wide range of single acting and double acting bracing frames which are assembled from four individual leg members and pinned together at the corner.
Bracing Compatability Chart:-
| MH Brace | 900 Series | Shore Brace | Maxi Brace | Mega Brace | 1000 Series | 1500 Series | Super Mega Brace |
| MH brace | x | x | x | x | | | | |
| 900 Series | x | x | | | | | | |
| Shore Brace | x | | x | | | | | |
| Maxi Brace | x | | | x | x | | | x |
| Mega Brace | | | | x | x | | x | x |
| 1000 Series | | | | | | x | x | |
| 1500 Series | | | | | x | x | x | x |
| Super Mega Brace | | | | x | x | | x | x |
Single Acting Manhole Braces:-
- The smallest range of bracing frames available, ranging from 1.2m to 6.0m in length.
- The single acting hydraulic ram can only be expanded and pressurised using a hydraulic pump. Retraction of the leg must be done manually after de-pressurisation.
- Aluminium bracing legs available.
| Leg Ref. | External Working Range (m) | Leg Weight (Kg) | Beam Width (mm) |
| 540 | 1.5 - 2.4 | 35 | 120 |
| 400S | 1.2 - 1.6 | 53 | 120 |
| 400M | 1.8 - 2.7 | 93 | 120 |
| 650 | 3.2 - 5.0 | 240 | 150 |
| A | 1.7 - 2.4 | 70 | 140 |
| B | 2.2 - 3.0 | 95 | 140 |
| C | 3.1 - 4.5 | 280 | 200 |
| D | 4.6 - 6.0 | 625 | 200 |
Double Acting Manhole Braces:-
- Double acting legs are available ranging from 2.0m - 7.0m in length.
- The double acting hydraulic rams enable the leg to be both expanded and retracted using a double acting pump.
- Integral hydraulic lock-off valve for greater hydraulic security and simpler installation/removal.
| Leg Ref. | External Working Range (m) | Leg Weight (Kg) | Beam* Width (mm) |
| A | 2.0 - 3.0 | 260 | 180 |
| B | 3.0 - 4.0 | 305 | 180 |
| C | 4.0 - 5.0 | 390 | 180 |
| D | 5.0 - 6.0 | 445 | 180 |
| E | 6.0 - 7.0 | 627 | 180 |
| TD0 | 1.3-1.9 | 80 | 140 |
| TD1 | 1.7-2.7 | 106 | 140 |
| TD2 | 2.7-3.7 | 191 | 180 |
| TD3 | 3.5-4.5 | 247 | 180 |
| TD4 | 4.3-5.3 | 326 | 190 |
