Block by Block Construction $($Pty$)$ Ltd$.$ has been awarded a construction contract to

build a two$-$storey house on a farm. Table $4\mathrm{.}1$ below shows the two$-$storey house

project activities and their respective durations.

Table $4\mathrm{.}1$

Required:

$4\mathrm{.}1$ Develop a network diagram using the information provided in Table $4\mathrm{.}1$ and

populate the network diagram by conducting a two$-$pass method.