Location Options; Location; Pre-Treatment - Graf ECOBLOC INSPECT 420 Instrucciones Para El Montaje

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5.

Location options

5.1

Location

The location of an infiltration system should be selected such that percolating escaping water does not
cause damage to buildings or other installations. To avoid erosion and accumulation, an infiltration sys-
tem should also be located at a distance of at least 1.5 times the installation depth.
A
The distance between the installation base of an infiltration system and the average highest groundwater
level expected must not fall below one metre according to most national standards. If this distance does
fall below one metre, approval must be sort from the relevant authorities.
Distance (A') to existing or planned trees must also be at least the expected crown diameter (A).
5.2

Pre-treatment

Surface and rainwater that enters the infiltration or attenuation system always requires a treatment stage.
This may be an oil separator, slit trap, filter shafts or simple filter which removes oil, dirt & debris from the
incoming water. The ingress of dirt should be avoided at all times as this will settle within the infiltration or
attenuation system causing reduced performance, blockage and possible system failure.
5. Location options
A'
23 / 69
1,5 x H
H

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