The same building roof as Question #$1$ can be framed with open web steel joists with $38$mm steel roof deck. The building is constructed with built$-$up roofing and suspended tile ceiling. All the steel is CSA G$40\mathrm{.}21350$W$.$ The specified roof dead is $1\mathrm{.}32$kPa. The specified roof snow load is $2\mathrm{.}05$kPa.

Design a steel beam for B$1.(10\%)$

Verify if W$610$x$92$ is sufficient for G$1.(40\%)$