Installation Conditions - Graf Carat XXL Serie Instrucciones Para Montaje Y Mantenimiento

Covering heights with telescopic dome shaft in green
areas
Max. covering heights with extension and telescopic
dome shaft
It is generally recommended that a drain line is
installed.
Max. covering heights with cast telescopic dome
shaft (with class B cast cover) in areas with car
traffic (load up to 3.5 t).
Max. covering heights with truck telescopic dome
shaft (with Class D cover to be provided by
customer) in areas with truck traffic (load up to 40 t).
The tanks can be only partially installed into the
groundwater. If it is to be expected that the ground
water could rise higher, even occasionally, as shown
in the figure opposite, the ground water must be
discharged via a drain line.
It is generally recommended that a drain line is
installed.
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Installation conditions

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Mini telescopic dome shaft
Maxi telescopic dome
shaft + Telescopic
with cast Iron lid