A 280m long equal tangent sag vertical curve has itsPVC at chainage 2950.00m and elevation 76. 520m.The initial gradeis -3.89% and the final grade is 1.02%. (20)
a. Make a neat free hand drawing to illustrate a long section ofthis curve.
b. Calculate the chainage and elevation of PVI
c. Calculate the chainage and elevation of PVT
d. Calculate the chainage and elevation of the lowest point on thecurve.