Tricel Novo UK10, Техническое руководство

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The Tricel Novo is not suitable to be used in water logged sites, where the ground water may
rise above the inlet invert pipe.
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When selecting the location of the Tricel Novo, ensure that it is always accessible for future
maintenance.
5.4 Types of installation
All inst allations must be “fit for purpose” to suit the on -site conditions, which will vary from site to site
and is the responsibility of the onsite contractor.
When installing a Tricel Novo, there are two possible installation methods:
1. Gravel installation
2. Concrete installation
It is necessary to consider two factors when determining which installation must to implement:
1. Is the Tricel Novo being installed in a ‘Dry s ite’ or a ‘Wet s ite’?
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A ‘ Dry si te’ is a site in which the water table never rises higher than the base of the
tank.
•
A ‘ Wet s ite’ is a site in which the water table may rise higher than the base of the
tank but will not rise higher than the invert of the inlet. Sites where a higher water
level is present, ensure that the installation is suitable for the site conditions.
Tricel strongly advises the installation of a vertical water table inspection pipe. This
inspection pipe will facilitate convenient monitoring of the water table long after
the completion of the installation process.
Note: In difficult soils (e.g., clay with a high t-value), a site could be potentially
classified as wet if there is no drainage for surface water that enters the excavation
and it rises higher than the base of the tank. The installer must determine this when
selecting the correct backfill.
2. Is a riser installation required, and if yes, what height riser must you use? (For more
information on risers, please refer to section
5.9 ‘Risers’ ).
The following table specifies the required installation for on-site conditions:
Factors that determine the required installation
Installation required
Type of site Riser required
Dry None Gravel
Dry 250mm Gravel
Dry 500mm & 750mm Concrete
Wet None Concrete
Wet 250mm, 500mm & 750mm Concrete