Osma 450mm diameter Universal Inspection Chamber Range for installations to a maximum of 1.2m (adoptable and non-adoptable)
- 450mm diameter shaft for use with Universal Inspection Chamber bases
- Shaft sections are 305mm with integral seal for quick and reliable push-fit connection.
- Final shaft section can be cut to length
- Three shaft sections required for max 1.2m invert depth (adoptable and non-adoptable)
- Choice of five base configurations for equal and unequal pipe connections. For use with either 110/160mm OsmaDrain or 150mm UltraRib
- For loading applications up to 15kN (1.5 Tonne) non trafficked / landscaped
- Can be used for higher loadings (max. 12.5 tonnes) when frames supported by a concrete collar