Wavin offers Osma Inspection Chambers in 250, 300 and 450mm diameters, approved to BS EN 13598-1 for shallow applications. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0.9m, depending on the chamber and the application. A 500mm diameter chamber approved to BS 7158 for use down to 3m is also available in the Osma range.
250, 315, 450 and 500mm chambers comply with BS EN 1398-1:2010 and the 500mm chamber complies with the requirements of BS EN 7158:2001. All are Kitemarked and Sewers for Adoption 7 compliant.
Applications
For above ground access and maintenance inspection of buried pipework
- Down to 0.6m deep under Building Regulations – Part H1
- Down to 0.9m deep under SfA7 Typical Chamber Detail – Type 4
For loading applications up to 15kN (1.5 Tonne)
Key features and benefits
- Multiple options for maximum installation flexibility
- Fast, easy installation: no wet trades
- Lightweight: no lifting equipment required
- Push-fit shaft sections: one or more can be used to achieve required invert depth
- Final shaft section can be cut to required length
- No additional trench excavation required
Dimensions
- Invert depth of base: 205mm
- External shaft diameter: 315mm
- Shaft section length: 150mm
- Inlets/outlets: 110mm
Compliance
- BS EN 13598-1: 2010 a
- SfA7 Typical Chamber Detail – Type 4 (to max. 0.9m depth only)
- Building Regulations – Part H1: Shallow only, to maximum depth 0.6m
Wavin offers Osma Inspection Chambers in 250, 300 and 450mm diameters, approved to BS EN 13598-1 for shallow applications. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0.9m, depending on the chamber and the application. A 500mm diameter chamber approved to BS 7158 for use down to 3m is also available in the Osma range.
250, 315, 450 and 500mm chambers comply with BS EN 1398-1:2010 and the 500mm chamber complies with the requirements of BS EN 7158:2001. All are Kitemarked and Sewers for Adoption 7 compliant.
Applications
For above ground access and maintenance inspection of buried pipework
- Down to 0.6m deep under Building Regulations – Part H1
- Down to 0.9m deep under SfA7 Typical Chamber Detail – Type 4
For loading applications up to 15kN (1.5 Tonne)
Key features and benefits
- Multiple options for maximum installation flexibility
- Fast, easy installation: no wet trades
- Lightweight: no lifting equipment required
- Push-fit shaft sections: one or more can be used to achieve required invert depth
- Final shaft section can be cut to required length
- No additional trench excavation required
Dimensions
- Invert depth of base: 205mm
- External shaft diameter: 315mm
- Shaft section length: 150mm
- Inlets/outlets: 110mm
Compliance
- BS EN 13598-1: 2010 a
- SfA7 Typical Chamber Detail – Type 4 (to max. 0.9m depth only)
- Building Regulations – Part H1: Shallow only, to maximum depth 0.6m
