Question $16$

$8$ points

The data for a summit vertical curve is given as below. Grade stakes are to be set at the PVC$,$ at the PVT$,$ and at half$-$station intervals along the curve. Find the sum of "horizontal distance to end of PVI" and "elevation of PVC$".$ Write your answer with two digits of decimal.

PVI Station $=12+05\mathrm{.}51,$

PVI Elevation $=48\mathrm{.}55ft,$

$g1=7\%$

$g2=-1\%,$&

$L=600ft$