A low$-$rise storage facility $($low$-$importance structure$)$ is in an area of St$.$ Catherine$$s$,$ Ontario which is considered to represent rough terrain. The main roof structure consisted of steel roof beams which run perpendicular to the roof peak $($refer to figure below$).$ The steel frames are spaced every $5\mathrm{.}0$ metres. The snow and dead loads $($incl$.$ self$-$weight$)$ have already been calculated and shown in the figure below.

a$)$ Using NBCC $2020$ Cl$.4\mathrm{.}1\mathrm{.}7\mathrm{.}6,$ calculate the unfactored wind pressures acting on the two angled roof beams $($p$1$ and p$2).$

b$)$ Compute the design factored uniformly distributed loading $($kN$/$m$)$ acting on the beams $($in the vertical or gravity direction$)$ and then compute the vertical support reactions. Based on these reactions, determine if the supports need to be designed to resist uplift actions.