Transcription of CHAPTER 5 PIPE MATERIALS - Oregon.gov
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CHAPTER 5 PIPE MATERIALS Pipe MATERIALS 5-1 CHAPTER Table of Contents Introduction .. 5-3 Policy and Practice .. 5-3 Pipe Material Abbreviations .. 5-4 Definitions .. 5-4 Pipe 5-4 Concrete Pipe .. 5-4 Metal Pipe .. 5-6 CMP Wall Thicknesses .. 5-6 Plastic Pipe .. 5-7 High Density Polyethylene Pipe (CPEP, SRPEP, and SWPEP) .. 5-7 Polyvinyl Chloride (PVC) .. 5-7 Polypropylene Pipe (CPP) .. 5-9 Pipe Connections .. 5-9 Design Life .. 5-13 Service Life .. 5-18 Fire.
CMP is used for gravity flow (nonpressure) systems, such as culv- erts, storm drains, subsurface drains, slotted drains, and siphons. These pipes are available in several materials, such as aluminum, galvanized steel, or aluminized steel. OHSR pipe is used for gravity flow culverts and storm drains. Unlike CMP, it has a smooth interior.
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