Tricel NOVO EN6-50, User Manual

Page: 16 / 39

16
1. Manhole risers – (deep inverts):
Manhole risers are available for deeper installation requirements

250mm manhole risers require installation suitable for the site condition.

500mm* & 750mm* manhole risers require a complete concrete installation – See section 10.5.

Max manhole riser is 750mm
Never place the covers of the
tank below ground level.
Do not allow ground water
enter the plant
Only a Tricel Novo manhole
risers should be used
Manhole risers are available
as standard
250mm
500mm
750mm
* Plants with a manhole riser of 500mm or 750mm must have a concrete installation. 500mm and 750mm risers
cannot be retrofitted unless the correct installation is in place.