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A 1,800 ft. long sag vertical curve (equal tangent) has PVC at Station 145+10 and elevation...

A 1,800 ft. long sag vertical curve (equal tangent) has PVC at Station 145+10 and elevation 1,280 ft. The initial grade is -2.5% and final grade is +4.8%. Determine the elevation and stationing of PVI and PVT.

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