1. See the following file for typical modeling plastic piping modeling approaches - download attached file
2. AutoPIPE V8i 09.05.01.xx and higher has a new Piping code: Iso14692 (Petroleum and Natural Gas Industries - Glass Reinforced Plastics (GRP) Piping). Note: that an document called "Tutorial - ISO 14692 FRP" is available in the following folder location: "C:\Bentley\AutoPIPE V8i SELECTseries5 \Documents".