Thermoplastics piping and ducting systems. Outside the building structures for gravity and pressurised systems. Trench installation
Thermoplastics piping and ducting systems. Outside the building structures for gravity and pressurised systems. Trench installation
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1 Scope This document gives the recommended practise for underground open trench installation and commissioning of thermoplastics piping systems to be used for the conveyance of water under pressure (in addition to EN 805) and for the discharge of wastewater under gravity (in addition to EN 1610). In the field of non-pressure underground drainage and sewerage this is reflected in the marking of products by application code “U” and “UD”:
— outside the building structure (U);
— both buried in ground within the building structure (application area code “D”) and outside the building (application area code “UD”).
This document covers also installation and/or connections to valves, manholes, inspection chambers, gullies and other ancillary components in piping systems.
NOTE 1 Code of practise for pipelines for gas supply is covered by EN 12007‑series [21].
NOTE 2 Recommended practices for installation of plastic piping systems for soil and waste discharge within the building structure is covered by CEN/TR 13801 [12].
NOTE 3 Practices for underground installation of rainwater infiltration and storage attenuation systems are covered by CEN/TR 17179 [13].
Упомянутые в описании и другие стандарты PD