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6
6.
Assembling the tank dome and telescopic dome shaft
6.1
Assembling the tank dome
Prior to assembly, the enclosed seal is inserted into the tank
domes’ groove „B“. The tank dome is then aligned with the
piping connections and is locked to the tank neck. It is essential
to make sure that the upper seal "A" is correctly installed.
„B“
„A“
„A“
„B“
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6.2 Assembling the telescopic dome shaft
The telescopic dome shaft enables infinite adaptation of
the tank to given site surfaces with earth coverage of
between 750 mm and 950 mm (Mini telescopic dome
shaft) or 750 mm and 1050 mm (Maxi telescopic dome
shaft).
For assembly purposes, the enclosed profile seal
(material EPDM) is inserted into the tank dome's
sealing groove and is coated generously with soft soap
(do not use mineral oil-based lubricants, as these attack
the seal). The telescope is then greased, inserted and
aligned with the surface of the site.
6.3 Telescopic dome shaft on which
persons may walk
Important: To prevent loads from being
transferred onto the tank, round-grain gravel
(max. grain size 8/16) is filled in in layers
around the telescope and is evenly
compacted. Damage to the tank dome and
telescope must be avoided during this step.
The cover is then positioned and is sealed to
prevent entry by children.
Tighten the
threaded connection on the cover so
tightly that it cannot be opened by a child!
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
(colour anthracite) must be
supported with concrete
(load class B25 =
250 kg/m²). The layer of concrete to be installed
must be at least 300 mm wide and approx. 200
mm high all around. The minimum coverage
above the shoulder of the tank is at least
800 mm. The maximum coverage above the
shoulder of the tank is 1200 mm.
Attention:
It is essential to use the cast
telescopic dome shaft
and
class B
lid according
to AS3996.
