Abstract
This document specifies the properties of piping system components made from glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP). It is suited for all types of water supply, drainage and sewerage with or without pressure. Types of water supply include, but are not limited to, raw water, irrigation, cooling water, potable water, salt water, sea water, penstocks in power plants, processing plants and other water-based applications. This document is applicable to GRP UP piping systems, with flexible or rigid joints with or without end thrust load-bearing capability, primarily intended for use in direct buried installations.
NOTEÂ 1Â Â For the purpose of this document, the term polyester resin (UP) also includes vinyl-ester resins (VE).
NOTEÂ 2Â Â Piping systems conforming to this document can also be used for non-buried applications, provided the influence of the environment and the supports are considered in the design of the pipes, fittings and joints.
NOTEÂ 3Â Â This document can also apply for other installations, such as slip-lining rehabilitation of existing pipes.
NOTE 4  Ïã¸ÛÁùºÏ²Ê¿ª½±Â 10467 and Ïã¸ÛÁùºÏ²Ê¿ª½±Â 10639, which are replaced by this document, are also referenced in Ïã¸ÛÁùºÏ²Ê¿ª½±Â 25780, which specifies requirements for GRP-pipes used for jacking installation.
The requirements for the hydrostatic pressure design of pipes referring to this document meet the requirements of Ïã¸ÛÁùºÏ²Ê¿ª½±/TS 20656-1 and the general principle for the reliability of structures detailed in Ïã¸ÛÁùºÏ²Ê¿ª½±Â 2394 and in EN 1990. These International Standards provide procedures for the harmonization of design practices and address the probability of failure, as well as possible consequences of failures. The design practices are based on a partial safety factor concept, as well as on risk management engineering.
This document is applicable to circular pipes, fittings and their joints of nominal sizes from DNÂ 50 to DNÂ 4000, which are intended to be used for the conveyance of water, sewage and drainage at normal service conditions, with or without pressure.
Life cycle
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Previously
WithdrawnÏã¸ÛÁùºÏ²Ê¿ª½± 10467:2018
WithdrawnÏã¸ÛÁùºÏ²Ê¿ª½± 10639:2017
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Now
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