• Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Methods for regression analysis and their use, ISO 10928:2009/FDAmd 1
• Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of long-ter time to failure under sustained internal pressure, ISO 7509
• Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the resistance to cyclic internal pressure - Amendment 1, ISO 15306:2003/DAmd 1
• Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Test methods to prove the design of bolted flange joints - Amendment 1, ISO 8483:2003/DAmd 1
• Plastics piping systems for drainage and sewerage without pressure - Non-circular pipes and joints made of glassreinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) - Dimensions, requirements and tests, ISO/TC 138/SC 6 N 6550
• Plastics piping systems - Glass-reinforced theromosetting plastics (GRP) pipes - Determination of initial specific ring stiffness and resistance to initial ring deflection using segmen test pieces cut from a pipe, ISO 12512
• Plastics piping systems — Glass-reinforced thermosetting plastics (GRP) pipes — Test methods for the determination of the apparent initial longitudinal tensile strength, ISO 8513

• Hobas Scandinavia AB, MALMÖ
• PipeLife Sverige AB, LJUNG
• PipeLife Sverige AB, ÖLSREMMA
• SP Sveriges Tekniska Forskningsinstitut AB, GÖTEBORG
• Uponor AB, FRISTAD

• CEN/TC 155, Plastic piping systems and ducting systems
• ISO/TC 138/SC 6, Plastics pipes, fittings and valves for the transport of fluids - Reinforced plastics pipes and fitt
• ISO/TC 203, Technical energy systems

The work is directed and funded by the organizations that participate in the committee. The fee charged reflects the mode and scope of the project, and number of participants.