"The following documents are published by the Plastic Pipe Institute (PPI)". For a complete listing of their downloadable documents, please visit them at www.plasticpipe.org
Suggested Temperature Limits for the Operation and Installation of Thermoplastic Piping in Non-Pressure Applications (1999). TN-11
General Guidelines for Butt, Saddle and Socket Fusion of Unlike Polyethylene Pipes and Fittings (2001). TN-13
Resistance of Solid Wall Polyethylene Pipe to a Sanitary Sewage Environment (2006). TN-15
Pipe Stiffness for Buried Gravity Flow Pipes (2005). TN-19
Special Precautions for Fusing Saddle Fittings to Live PE Fuel Gas Mains Pressurized on the Basis of a 0.40 Design Factor (2000). TN-20
General Guidelines Repairing Buried HDPE Potable Water Pressure Pipes (2006). TN-35
General Guidelines for Connecting HDPE Potable Water Pressure Pipes to DI and PVC Piping Systems (2006). TN-36
