| 1.5 Circular Manhole Frame and Cover | |
|---|---|
| Material | Ductile Iron |
| Class | D400/C250/BB125 |
| Type | Non-Rocking |
| Shape | Circular Solid Top/Recessed |
| Lifting Key Type | Closed Keyways |
| 1.6 Semi Circular Manhole Frame and Cover | |
|---|---|
| Material | Ductile Iron |
| Class | D400/C250/BB125 |
| Type | Non-Rocking |
| Shape | Double Semi Circular Solid Top/Recessed |
| Lifting Key Type | Closed Keyways |