Aktuelle Version vom 9. November 2018, 16:03 Uhr
Trenches behind small wastewater treatment systems
| Required wall area (m2/inhabitant value PE):
|
| 1 m2 / PE to 1.5 m2 / PE with: |
Sand-gravel mixture, sand, light silty sand
|
| 2 m2 / PE to 2.5 m2 / PE with: |
Silt (also light clay), sand-silt mixture, stone-loam mixture
|
| Required number for example of DRAINMAX Tunnel:
|
| Base element |
2.25 m length x 0.8 m heigth x 2 sides
|
| As |
= 3.6 m2 per tunnel without front walls
|
|
|
| PE |
to 1.5 m²/PE |
to 2.5 m²/PE
|
| 4 |
1 pcs. |
2 pcs.
|
| 8 |
1 pcs. |
4 pcs.
|
| 12 |
3 pcs. |
6 pcs.
|
| 16 |
4 pcs. |
8 pcs.
|
A specified calculation must be done with other soil conditions and higher PE values.