Question: Problem 4 . An equal - tangent sag vertical curve is designed to connect a - 3 % initial grade to a positive, final grade.

Problem 4. An equal-tangent sag vertical curve is designed to connect a -3% initial grade to a
positive, final grade. The low point is 237 ft from the PVC at station 112+37 and the final offset
at the PVT is 19.355ft.PVC is at station 110+00.
Find G2 and L .
What is the elevation difference between the PVT and a point on the curve at station 111
+00?
Problem 4 . An equal - tangent sag vertical curve

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