Manhole Shutters
| Diameter of Manhole Rings (mm) | Number of sections needed to form shutter | ||
|---|---|---|---|
| A | B | C | |
| 675 | 2 | 1 | * |
| 900 | 2 | 2 | 1 |
| 1050 | 3 | * | 1 |
| 1200 | 3 | 1 | 1 |
| 1350 | 3 | 2 | 1 |
| 1500 | 4 | * | 1 |
| 1800 | 4 | 2 | 1 |
| 2100 | 5 | 1 | 1 |
| 2400 | 6 | * | 1 |
| 2700 | 6 | 2 | 1 |
| Diameter of Manhole Rings (mm) | Number of sections needed to form shutter | ||
|---|---|---|---|
| A | B | C | |
| 675 | 2 | 1 | * |
| 900 | 2 | 2 | 1 |
| 1050 | 3 | * | 1 |
| 1200 | 3 | 1 | 1 |
| 1350 | 3 | 2 | 1 |
| 1500 | 4 | * | 1 |
| 1800 | 4 | 2 | 1 |
| 2100 | 5 | 1 | 1 |
| 2400 | 6 | * | 1 |
| 2700 | 6 | 2 | 1 |