BS 7158:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for plastics inspection chambers for drains
Hardcopy , PDF
15-08-2001
English
30-06-1989
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Materials
4 Dimensions
5 Appearance
6 Performance requirements
7 Marking
Appendices
A Items which may be agreed between the manufacturer
and the purchaser
B Methods of test for watertightness
C Method of test for resistance to angular deflection
D Method of test for resistance to diametric distortion
of chamber joint assemblies with flexible pipe
systems
E Method of test for shear resistance of chamber joint
assemblies with rigid pipe systems
F Method of test for resistance to elevated temperature
cycling
G Method for the determination of specific tangential
initial stiffness (STIS)
H Method of test for resistance to vertical loading
J Guidance on use of inspection chambers relative to
surface load and installation procedures
K Guidance on quality control testing
Tables
1 Classification of specific tangential initial
stiffness (STIS)
2 Classification of test force
3 Support distance for shear resistance tests
4 Chamber classifications for specific surface loading
categories
5 Applicability of requirements and test methods
Figures
1 Typical features of equipment for diametric
distortion test
2 Typical features of equipment for shear resistance
test
3 Typical loading arrangement for non-circular sections
with variable cross-section
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