| Cap - Used at plug end of pipe |
| Grade Break - Point of slope change in the pipe |
| Junction-A structure used to merge or distribute flow |
| Lug - Connection point of one pipe to another without structure |
| Network connection point - used for network purposes only |
| Plug _ Used to plug end of pipe |
| Transition - A structure connecting two different pipe/culvert/drain etc sizes |
| Misc. |
