Question: A - 1 % grade meets a + 3 % grade at Sta. 1 2 + 0 0 and elevation 5 2 0 f t

A -1% grade meets a +3% grade at Sta. 12+00 and elevation 520ft. by a vertical curve of length 200ft.
Calculate the following:
a.K and r
b. Station of PVC and PVT
c. Elevation of point at a distance L/4 from PVC and PVT
d. Station of turning point
e. Elevation of turning point
f. Elevation of mid-point of the curve
A - 1 % grade meets a + 3 % grade at Sta. 1 2 + 0

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