Applying the Ontario Building code:$1.$ Determine the base roof snow load for a normal importance building in Sarnia Ontario if the roof is $160$mx$60$m$\mathrm{.}2.$ Determine the base roof snow load for a normal importance building in London Ontario if the roof is $240$m x $200$m$\mathrm{.}3.$ Determine the snow buildup for the problem given in $5$ if the roof defined is a high roof and has a $0\mathrm{.}45$m parapet. Assume the low roof is $3$m below the top of the high parapet and the lower building the exact same size and dimensions.