Translations:Versickerung und Retention/79/en
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| average terrain slope | Sealing | shortest rain period
(according to this norm r2 in min) |
| < 1% | ≤ 50% | 15 min |
| > 50% | 10 min | |
| 1% bis 4% | - | 10 min |
| > 4% | ≤ 50% | 10 min |
| > 50% | 5 min |
| average terrain slope | Sealing | shortest rain period
(according to this norm r2 in min) |
| < 1% | ≤ 50% | 15 min |
| > 50% | 10 min | |
| 1% bis 4% | - | 10 min |
| > 4% | ≤ 50% | 10 min |
| > 50% | 5 min |