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3.2.7. Installation of telescopic dome shaft directly onto the tank
In order to install the telescopic dome shaft onto
the tank, the profile gasket ⑥ is mounted onto
the tank opening and the telescopic dome shaft
is inserted.
3.3.
Installation of the shaft structures
Instructions regarding the covers: The covers used for grease separators must meet
the provisions of DIN EN 124 and must be marked with the inscription "Separator". The
cover(s) must not be equipped with openings to vent and should be fastened with screws
due to odour formation.
3.3.1. Accessible
In order to prevent transferring loads onto the
tank, the telescope is filled with layers of
grounded gravels (maximum grain size 8/16)
and compacted evenly. Afterwards, a tubular
seal ② is inserted into the groove of the
telescopic dome shaft for trucks ③. Finally,
the concrete cover ① is placed onto the
telescopic dome shaft.
3.3.2. Suitable car traffic (cover B125)
If the tank is installed underneath an area
with car traffic, concrete underlay (property
class C25/30) must be placed in the collar
area under the telescopic dome shaft for
trucks. The circumference of the concrete
layer to be filled in must be at least 300 mm
wide and approx. 200 mm high. Afterwards, a
tubular seal ② is inserted into the groove of
the telescopic dome shaft for trucks
③. At last, the concrete cover ① is placed
onto the telescopic dome shaft.
The attachment parts may only bear load
after the installation is complete (concrete is
cured).
3. Assembly and Installation
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