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BS EN 295-2:2013 Vitrified clay pipe systems for drains and sewers - Evaluation of conformity and sampling, 2013
- CEN/TC 165
- EN 295-2:2013
- CEN/TC 165
- ICS:
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 Evaluation of conformity [Go to Page]
- 5.1 General
- 5.2 Initial type testing (ITT) and type testing (TT) [Go to Page]
- 5.2.1 General
- 5.2.2 Sampling procedure
- Table 1 — Number of units and conformity criteria for initial type testing and type testing of pipes, fittings and joints according to EN 295-1:2013 [Go to Page]
- 5.2.3 Test reports
- 5.3 Factory production control (FPC) [Go to Page]
- 5.3.1 General
- 5.3.2 Requirements
- 5.3.3 Equipment [Go to Page]
- 5.3.3.1 Testing
- 5.3.3.2 Manufacturing
- 5.3.4 Raw materials and components
- 5.3.5 Product testing and evaluation [Go to Page]
- 5.3.5.1 General
- 5.3.5.2 Visual inspection
- 5.3.5.3 Rejection after retest
- 5.3.6 Change in batch condition
- 5.3.7 Records
- 5.3.8 FPC testing of pipes, special fittings, adaptors and compatible accessories manholes and inspection chambers, perforated pipes and jacking pipes [Go to Page]
- 5.3.8.1 Requirements, tests and test frequencies
- Table 7 — Testing of adaptors, connectors and flexible couplings to EN 295-4:2013
- Table 8 — Testing of perforated pipes according to EN 295-5:2013
- Table 9 — Testing of components of manholes and inspection chambers according to EN 295-6:2013 [Go to Page]
- 5.3.8.2 Batch sizes for pipes
- 5.3.8.3 Sample size for pipes for quality control at the manufacturer's works
- 5.3.8.4 Retest procedure for pipes from rejected batches
- 5.3.8.5 Sampling after delivery from the manufacturer's works
- 5.3.8.6 Test frequency for water- and airtightness and water absorption
- 5.3.8.7 Test frequency for bending moment resistance
- 5.3.9 FPC testing of fittings according to EN 295-1:2013 and EN 295-5:2013 [Go to Page]
- 5.3.9.1 Requirements, tests and test frequencies
- 5.3.9.2 Batch sizes for fittings
- 5.3.9.3 Sample size for fittings
- 5.3.9.4 Retest procedure for fittings from rejected batches
- 5.3.9.5 Test frequency for water seal of fittings according to EN 295-1:2013, 5.6
- 5.3.9.6 Test frequency for airtightness of bends according to EN 295-1:2013, 5.18
- 5.3.9.7 Test frequency for water- and airtightness of junctions according to EN 295-1:2013, 5.14.
- 5.3.9.8 Retest procedure for water seal of fittings, airtightness of bends and watertightness of junctions according to EN 295-1:2013, 5.6, 5.18 and 5.14 respectively
- 5.3.9.9 Test frequency for bond strength of adhesive used for fixing fired clay parts together according to EN 295-1:2013, 5.12.1
- 5.3.10 FPC testing of joint assemblies according to EN 295-1:2013 [Go to Page]
- 5.3.10.1 Requirements, tests and test frequencies for joint assemblies
- 5.3.10.2 Retest procedure for joint assemblies
- 5.3.11 FPC of polyurethane sealing elements according to EN 295-1:2013, 6.1.2 [Go to Page]
- 5.3.11.1 General
- 5.3.11.2 Retest procedure and sampling for hardness, compression set, tensile strength and elongation at break
- 5.3.11.3 Retest procedure and sampling for stress relaxation, ageing and hardness change at low temperatures
- 5.3.12 FPC Testing of polypropylene sleeve couplings according to EN 295-1:2013, 6.1.3 [Go to Page]
- 5.3.12.1 General
- 5.3.12.2 FPC acceptance procedures for the material requirements for couplings for sleeve joints according to EN 295-1:2013, 6.1.3.1 [Go to Page]
- 5.3.12.2.1 Tests and sampling
- 5.3.12.2.2 Retest procedures and sampling
- 5.3.12.3 FPC acceptance procedures for the performance requirements for couplings for sleeve joints to EN 295-1:2013, 6.1.3.2 [Go to Page]
- 5.3.12.3.1 Tests and sampling
- 5.3.12.3.2 Retest procedures and sampling
- 5.3.13 FPC of rigid fairing materials according to EN 295-1:2013, 6.1.4 [Go to Page]
- 5.3.13.1 General
- 5.3.13.2 Deformation
- 5.3.13.3 Indentation
- 5.3.13.4 Retest procedure and sampling for indentation or deformation
- 5.3.14 FPC testing of adaptors and connectors to EN 295-4:2013, 5.7 [Go to Page]
- 5.3.14.1 Test frequency for airtightness and watertightness
- 5.3.14.2 Retest procedure
- 5.3.15 FPC testing of metal banded flexible couplings and adaptors according to EN 295-4:2013, Annex A [Go to Page]
- 5.3.15.1 Dimensions and appearance [Go to Page]
- 5.3.15.1.1 Testing and sampling
- 5.3.15.1.2 Retest procedures and sampling
- 5.3.15.2 Performance [Go to Page]
- 5.3.15.2.1 Testing and sampling for Type 1 couplings and adaptors
- 5.3.15.2.2 Testing and sampling for Type 2 couplings
- 5.3.15.2.3 Testing and sampling for strength of tension band assemblies
- 5.3.15.2.4 Retest procedure
- 5.3.16 FPC testing of connectors, insertable fittings and sealing rings for cut pipes for making connections to existing pipelines, manholes or building works according to EN 295-4:2013, Annex B [Go to Page]
- 5.3.16.1 Dimensions and appearance [Go to Page]
- 5.3.16.1.1 Testing and sampling
- 5.3.16.1.2 Retest procedures and sampling
- 5.3.16.2 Performance [Go to Page]
- 5.3.16.2.1 Testing and sampling for connectors, insertable fittings and sealing rings for cut pipes
- 5.3.16.2.2 Retest procedure
- 5.3.17 FPC testing of heatshrinkable sleeves according to EN 295-4:2013, Annex C [Go to Page]
- 5.3.17.1 Dimensions and appearance [Go to Page]
- 5.3.17.1.1 Testing and sampling
- 5.3.17.1.2 Retest procedures and sampling
- 5.3.17.2 Performance [Go to Page]
- 5.3.17.2.1 Testing and sampling of heatshrinkable sleeves
- 5.3.17.2.2 Retest procedure
- 5.3.18 FPC testing of watertightness of manholes and inspection chambers [Go to Page]
- 5.3.18.1 Testing frequency
- 5.3.18.2 Retest procedure
- 5.3.19 FPC testing of compressive strength of jacking pipes according to EN 295-7:2013 [Go to Page]
- 5.3.19.1 Testing frequency
- 5.3.19.2 Retest procedure
- 5.3.20 FPC testing of joint assemblies of jacking pipes according to EN 295-7:2013 [Go to Page]
- 5.3.20.1 Requirements, tests and test frequencies for joint assemblies according to EN 295-7:2013
- 5.3.20.2 Retest procedure
- Annex A (normative) Acceptability determination and switching rules [Go to Page]
- A.1 General
- A.2 Inspection by attributes [Go to Page]
- A.2.1 Acceptability determination [Go to Page]
- A.2.1.1 Single sampling
- A.2.1.2 Double sampling
- A.2.2 Operation of switching rules [Go to Page]
- A.2.2.1 Normal inspection
- A.2.2.2 Normal to reduced inspection
- A.2.2.3 Reduced to normal inspection
- A.2.2.4 Tightened inspection
- A.2.2.5 Tightened to normal inspection
- A.2.2.6 Discontinuation of inspection
- A.2.3 Tightened inspection for rejected batches
- A.3 Inspection by variables [Go to Page]
- A.3.1 Distribution
- A.3.2 Acceptability determination [Go to Page]
- A.3.2.1 Mean and standard deviation
- A.3.2.2 Acceptability criteria for specification limit
- A.3.3 Operation of switching rules [Go to Page]
- A.3.3.1 Normal inspection
- A.3.3.2 Normal to reduced inspection
- A.3.3.3 Reduced to normal inspection
- A.3.3.4 Tightened inspection
- A.3.3.5 Tightened to normal inspection
- A.3.3.6 Discontinuation of inspection
- Table A.7 —Tightened inspection by variables
- Table A.8 — Reduced inspection by variables [Go to Page]
