BS CP312-1(1973) : 1973
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - GENERAL PRINCIPLES AND CHOICE OF MATERIAL
01-01-2009
23-11-2012
Code Drafting Committee
Foreword
1. General
1.1 Scope
2. Definitions
3. Materials available
4. Hydraulic characteristics
5. Handling and storage
6. Thermal effects
7. Environment
8. Long-term behaviour under hydraulic pressure
9. Inspection
10. Installation
11. Jointing methods
12. Bending
13. Connections
14. Identification
15. Laying buried pipes
15.1 General principles
15.2 Trench preparation
15.3 Bedding and sidefilling
15.4 Backfilling
15.5 Pipelaying without trenches
16. Testing
17. Limitations
18. Pipes for water
18.1 General
18.2 PVC
18.3 Polyethylene
18.4 Polypropylene
18.5 ABS
19. Pipes for soil, waste, rainwater and trade
effluents (above ground)
20. Pipes for gases
20.1 Gaseous fuels
20.2 Industrial gases
21. Pipes for food and drink other than water
22. Pipes for general industrial applications
(excluding gases)
Appendix
A. Tests for suitability of soil material (imported
or local) for surrounding buried plastics pipes
Tables
1. Physical properties of plastics pipe materials
2a. Chemical resistance of unplasticized PVC, low-
density and high-density polytheylene
2b. Chemical resistance of modified (high impact) PVC,
ABS, nylon and polypropylene
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