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sklademVydáno: 2020-03-25
20/30409935 DC
BS ISO 13268. Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics shafts or risers for inspection chambers and manholes. Determination of ring stiffness
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| Označení normy: | 20/30409935 DC |
| Počet stran: | 16 |
| Vydáno: | 2020-03-25 |
| Status: | Draft for Comment |
DESCRIPTION
20/30409935 DC
This standard 20/30409935 DC BS ISO 13268. Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics shafts or risers for inspection chambers and manholes. Determination of ring stiffness is classified in these ICS categories:
- 93.030 External sewage systems
- 23.040.20 Plastics pipes
- 23.040.45 Plastics fittings
- 91.140.80 Drainage systems
This document specifies a test method for assessing the initial (short-term) tangential ring stiffness of riser shafts for thermoplastics inspection chambers or manholes.