MAINTENANCE HOLE – MAXIMUM PIPE SIZES
NOTES
- Knockouts for small diameter pipe leads 300mm and smaller can be provided in addition to what is shown.
- All dimensions are in millimeters unless otherwise shown.
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| Maintenance Hole Size (mm) | Maximum Pipe Size For Straight Through | Maximum Pipe Size For Right Angle |
|---|---|---|
| 1200 |  |  |
| 1500 |  |  |
| 1800 |  |  |
| 2400 |  |  |
| 3000 |  |  |
| 3600 |  |  |
| 2400 x 1800 |  |  |
| 3000 x 1800 |  |  |
| 3000 x 2400 |  |  |