8
14
The lifting ropes should be pulled down below the modules for better
aesthetics.
15
Create a hole 225mm deep in the gravel base where the sampling chamber will
be located. Install the sampling chamber(s) so that the ledge fits under the Tricel
Puraflo modules and into the 'V' shape between the modules.
16
Install the remaining outer PVC pipes and connect them into sampling chamber.
Once the pipework has been connected, build up the level of the pea-gravel
directly beneath the pipework to provide support during the backfilling around
the modules. This will prevent damage or sagging to the pipework which could
result in blockages or leaks.
