4rain FLAT S Notice D'installation Et D'entretien page 29

The points described in these instructions
must be observed in all cases. Failure to do
so will invalidate any warranty claim. For any
additional items purchased through 4rain,
you will receive separate installation instruc-
tions in the transport packaging.
Missing instructions should be requested
without delay.
The tanks must be checked for any damage
and leaks before the system is transferred to
and filled in the trench.
You can download any missing instructions
from www.4rain.com or request them from
GRAF directly.
info@4rain.com
www.4rain.com
1 General information
1.1 Safety
1.2 Labelling requirement
2 Installation conditions
2.1 Covering heights with tank dome and cover in
landscaped areas
2.2 Traffic load
2.3 Ground/stratum water
3 Technical data
3.1 FLAT S
3.2 FLAT M
3.3 FLAT L
3.4 FLAT XL
3.5 MODULARIS
3.6 COMPACT
3.7 PROFI
4 Structure of tank
4.1 FLAT
4.1.1 Tank components
4.1.2 Internal support pipes FLAT S/M
4.1.3 Internal support pipes FLAT L
4.1.4 Internal support pipes FLAT XL
4.2 Modularis
4.2.1 Tank components
4.3 COMPACT
4.3.1 Tank components
4.4 PROFI
4.4.1 Tank component
5 Installation and assembly
5.1 Overview
5.2 Foundation
5.3 Pit
5.3.1 Substructure
5.3.2 Positioning on a slope, embankment etc.
5.3.3 Groundwater and cohesive (non-water-permeable)
soils (e.g. loam)
5.3.4 Installation next to traffic areas
5.4 Connecting multiple tanks
5.4.1 FLAT
5.4.2 MODULARIS
5.4.3 COMPACT
5.4.4 PROFI
5.5 Transferring the tank to the pit and backfilling
5.6 Laying connections
6 Installing the tank dome and cover
6.1 Overview
6.2 Assembly
7 Inspection and maintenance
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