Culvert data chart for ellptical corrugated metal pipe

[sthsajan]

I am wondering I have a Elliptical corrugated metal pipe culvert 8ft *3.5 ft . I wanna enter information of culvert but the information of my culvert is not there

[Anonymous]

The chart and scale are only used if the culvert flows under inlet control. Most culverts, most of the time, flow under outlet control. I would generally select whatever seems closest and run the model and check the output.

If the model is clearly under outlet control, then you probably don’t have to worry about it. If it is under inlet control, or the inlet control answer is close to the outlet control answer, then things are more complicated.

[Author]

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