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Delta Dual V4/V6
11.0
Installation of Chamber - Section D3
Backfill around chamber with concrete
To be followed when installing chamber in the ground with a reinforced cage.
28
Completely fill chamber with water.
30
Allow concrete to cure.
18
29
Fill void between soil and chamber with concrete
(min. C35 grade) or as per engineer's drawings.
For technical support, please call 01279 757400
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