Special Shaped Manholes (trapezium)
Special shaped manholes/trapezium for pipe sizes Ø900, Ø1050, Ø1200, Ø1350, Ø1500
Can be used as a change in direction in a sewer system. Base of manhole and cover slab are trapezium shaped.
| Diameter | B | H internal | Base/invert level | H external |
|---|---|---|---|---|
| Ø900 | 1660 | 1330 | 330 | 1660 |
| Ø1050 | 1660 | 1330 | 330 | 1660 |
| Ø1200 | 1910 | 1580 | 330 | 1910 |
| Ø1350 | 2160 | 1830 | 330 | 2160 |
| Ø1500 | 2160 | 1830 | 330 | 2160 |
Dimensions of A, A1 en ? to customer’s choice of specification.