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4rain FLAT S Notice D'installation Et D'entretien page 31

Cuves eau de pluie à enterrer

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2.1 Covering heights with tank dome and cover in landscaped areas
The maximum earth covering measured from the
tank shoulder Ⓐ results from the maximum length
of the tank dome with cover (maximum 760 mm).
The tank dome must not be extended, but if neces-
sary can be shortened to min 460 mm.
The soil cover must not exceed 200 mm measured
from the tank cover Ⓑ.
2.2 Traffic load
The tanks must not be installed under roadways.
2.3 Ground/stratum water
The tanks must not be installed in groundwa-
ter/standing groundwater. Even if groundwa-
ter/standing groundwater is expected to occur only
infrequently, drainage must be installed.
It is difficult to prevent the occurrence of groundwa-
ter / standing groundwater. Therefore, we generally
recommend laying a drainage pipe (see 5.3.3).
info@4rain.com
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2
Installation conditions
Fig. 1:
Fig. 2:
Fig. 3:
31 / 108
Covering heights – example with FLAT
Traffic load – example with FLAT
Ground/stratum water – example with FLAT

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