If the ground is at an elevation of 671, and the invert of a pipe is 669, how deep is the pipe? - Quora
Pipe invert level showing top of pipe elevation while end of pipe fitting. - Autodesk Community - Revit Products
![meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange](https://i.stack.imgur.com/1C4gh.png)
meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange
![Stillwater Environmental Engineering on X: "Invert Level: With respect to infrastructure, the Invert Level is the lowest interior point of a pipe or trench. The invert level is typically used to help Stillwater Environmental Engineering on X: "Invert Level: With respect to infrastructure, the Invert Level is the lowest interior point of a pipe or trench. The invert level is typically used to help](https://pbs.twimg.com/media/EDAWVQtWwAA6EEV.jpg)