What is the estimate for the work associated with summary task $1\mathrm{.}1$ Site Prep?

$\backslash$table$[[$WBS$,$Task,Estimated Duration$],[1\mathrm{.}0,$House Project,$],[1\mathrm{.}1,$Site Prep,$],[1\mathrm{.}1\mathrm{.}1,$Excavate and pol footers,$9$ days$],[1\mathrm{.}1\mathrm{.}2,$Pour concrete footers,$5$ days$],[1\mathrm{.}1\mathrm{.}3,$Site Prep Complete,$0$ days$],[1\mathrm{.}2\mathrm{.}0,$Framing and Brickwork,$],[1\mathrm{.}2\mathrm{.}1,$Erect wooden frame including rough roof,$10$ days$],[1\mathrm{.}2\mathrm{.}2,$Lay brickwork,$8$ days$],[1\mathrm{.}2\mathrm{.}3,$Framing and Brickwork Complete,$0$ days$]]$