Cross section at Station $17+50.$ The tie out slopes are $2\mathrm{.}5$:$1$

The TBM is $351\mathrm{.}75$ and the Backsight Rod reads $4\mathrm{.}23$

The Road Centerline at $17+50$ is $351\mathrm{.}50$

The Road Cross section has $12ft$ travel lanes @ $-2\%$ and an $6ft$ shoulder @ $-4\%$

The First Ground shot at the hinge point is $10\mathrm{.}8$

The Second Ground shot is taken and reads $10\mathrm{.}7$

An offset stake is set $10\frac{o}{s}$ from the catch point, and a rod reading of $1\mathrm{.}3$ is recorded.

What is the Cut$/$Fill $($elevation difference$)$ from the Catch point to the Hinge Point.

Round answer to $1$ decimal place. Do Not include $C$ or $F$ notation, just give the elevation difference.

Selected Answer:

$347\mathrm{.}1$

Correct Answer:

$5\mathrm{.}8$