ManHole invert

Questions and answers on how to convert things from one unit or system to another


ManHole invert

Postby Zionman » Wed Jun 04, 2008 6:39 pm

How do you calculate the depth in feet of a Manhole: Top at 1047.50 invert at 1035.75.

Postby Dirtman » Thu Jun 05, 2008 8:35 am

Subtract the invert from the top of the manhole cover to get the depth. I'm assuming the elevations are in feet so; 1047.50 - 1035.75 = 11.75 feet, Top MH to Inv.
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