Assembling The Tank Dome And Telescopic Dome Shaft; Telescopic Dome Shaft Over Which Passenger Cars May Drive; Telescopic Dome Shaft For Hgv Loading - Graf PLATIN XXL 20.000 Notice D'installation Et D'entretien

6.

Assembling the tank dome and telescopic dome shaft

6.4

Telescopic dome shaft over which passenger cars may drive

If the tank is installed under areas used by passenger cars, the
collar area of the telescope
supported with concrete
layer of concrete to be installed must be at least 300 mm wide
and approx. 200 mm high all around. The permitted coverage
above the shoulder of the tank is min. 750 mm and max. 1300
mm. There are different possibilities for lengthening the tank
dome (610 mm): telescopic dome shaft with cast iron lid or
HGV (max. effective length 440 mm) as well as the Adapter
(max. effective length 300 mm).
Please note that the corresponding tank cover has to be provided by the customer.
It must be possible for the cover to be opened with hydrant keys A or B in accordance with DIN 3223 and
the cover must be appropriate for the loading on site.
6.5

Telescopic dome shaft for HGV loading

When installing below surfaces driven on by HGVs, the
telescope is lined as described in 6.4. The concrete rings
(diameter 600 mm) and a cast frame
load distribution are then installed to support the cast cover.
The cast frame must have a contact area of approx. 1 m².
To extend the shaft, the telescopic dome shaft for HGV
loading with class D cover, provided by the customer (max.
useful length 440 mm), and the spacer (max. useful length
300 mm) can be used.
Please note: Can only be driven over with HGV, if a self-
supporting, steel -reinforced concrete plate is installed!
Please note that the corresponding tank cover has to be provided by the customer.
It must be possible for the cover to be opened with hydrant keys A or B in accordance with DIN 3223 and
the cover must be appropriate for the loading on site.
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(colour anthracite) must be
(load class B25 = 250 kg/ m²). The
with star-shaped
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