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6.6
Assembly of telescopic dome shaft
The shaft extension has 9 positions in 50 mm steps (see
sketch) To allow for a soil covering of the tanks of only
220 mm, the telescopic attachment must be slightly
shortened.
The sealing ring is placed in the highest remaining
complete groove and the telescopic attachment is
pushed on (first lubricate the sealing ring). The telescopic
attachment must be well supported with back fill material
to ensure that it will not sink when under load.
For assembling, the telescopic dome shaft is placed
loosely on the tank opening. It gains its final stability
without further fastening when the pit is filled up and
compressed.
6.7
Assembly of the double walled PE cover
The cover must remain locked (child proof) in
position except when working in the tank.
The three sleeves are guided and hammered from below
into the holes of the telescopic attachment and screwed
from above with 5 – 6 turns. Finally place the cover in
position and screw into place so that it is child proof. The
washers prevent the screws from cutting into plastic
material of the cover.
6.8
Assembly of the telescopic man hole for areas traversed by light traffic
When the tank is installed in areas traversed by light
traffic (Class B, max axel load 2.2 t) the telescopic
assembly must be embedded and sup-ported by
reinforced
concrete
B25 = 250 Kg/m²). The concrete encasement must be
uninterrupted, 300 mm wide and approximately 200 mm
deep. Finally the cast iron frame (delivered in the
package) and the cover are put into place. The earth
covering above the tank must be not less than 800 mm
and a maximum of 1000 mm.
Under no circumstances are ensuing loads to be transferred directly to the tank.
The underground tanks of the Columbus series may under no circumstances be installed in areas
traversed by heavy goods vehicles or heavy machinery.
Under no circumstances should cement well rings or similar extensions be used, only the
GARANTIA Columbus telescopic man hole well.
If not correctly observed, any right to claim on the guarantee may be refused.
info@garantia.eu
www.garantia.eu
6.
Installation and assembly
(Load
classification
17 / 36
Telescopic access
Teleskopaufsatz
Sealing ring
Dichtring
Dome shaft
Domschacht
Dichtring
Sealing ring
Screw M8x60
Washer M8
Double walled
cover
Telescopic
access
Sleeves M8
Encasement
(for cover)
Concrete
Covering layer
Chips
Cover
Telescopic access
Seal
Dome shaft
Reinforce
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