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5.8.1 Telescopic cover, passable
The telescope must be sufficiently supported so that the load
forces cannot be transferred to the shaft housing
any circumstances. In order to prevent the transfer of loads to
the shaft housing, the telescope
layer by layer with round grain gravel
8/16) and evenly compacted. Damage to the shaft or tele-
scope must be avoided.
Important: Then the cover is put on and closed childproof.
5.8.2 Telescopic cover car passable (class B)
If the shaft system is installed under car passable surfaces,
the telescope
(colour: anthracite) in the collar area must
be lined with concrete
concrete layer to be filled must be at least 300 mm wide and
approx. 200 mm high all round, so that the load forces cannot
be transferred to the shaft housing
stances.
Attention: It is essential to use the class B cast iron cover.
5.8.3 Telescopic cover truck passable (class D)
For installation under truck passable surfaces, the tele-
scope
(colour: anthracite) is lined as described above
under point 5.8.2. The cast iron frame
the customer or the concrete rings
customer for load distribution of the cast iron cover are then
installed. The cast iron frame must have a bearing surface of
approx. 1 m², so that the load forces can under no circum-
stances be transferred to the shaft housing
Attention: It is essential to use the class D cast iron cover.
Note:
During and after installation, it must be ensured that only the load classes approved for the
construction project drive over or park on the vortex flow control shaft system. Fences, bar-
rier tape or information signs can prevent unauthorised vehicles from entering sensitive
areas.
5. Installation and assembly
(colour: green) is filled
(max. grain size
(load class B25 = 250 kg/m²). The
under any circum-
to be provided by
to be provided by the
under
.
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