Water connector box internal (optional)
PE cover for telescopic dome shaft
Telescopic dome shaft (can be inclined by 5°)
Profile seal
Tank dome
Subsoil
Telescopic dome shaft
Compacted foundation
Surrounding (round-grained gravel, max.
grain size 8/16)
1
www.graf.info
4.
Tank structure
5.
Installation and assembly
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4
7
6
15 / 38
1
2
3
4
5
Covering layer
PLATIN Rainwater Underground Tank
Concrete layer for passable surfaces
--> DIN 4124 from 1250 mm depth of the trench
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--> DIN 4124
2
5
3
ß
> 100 mm
< 300 mm
< 300 mm
< 300 mm
< 300 mm
> 100 mm