$1.$ What are the differences in appearance between $1\mathrm{.}5$B$,1\mathrm{.}5$F and $1\mathrm{.}5$A roof deck?$2.$ When might $1\mathrm{.}5$A roof deck need to be selected over $1\mathrm{.}5$F roof deck?$3.$ Compare the maximum construction span for $1\mathrm{.}5$B$,1\mathrm{.}5$F and $1\mathrm{.}5$A for $20$ GA deck utilized in a $3$ span condition?$4.$ For the following conditions, what composite deck would be most economical for a $8-6$ span roof deck? $($Note: Consider multiple deck depths and economical should be determined as the least weight deck that can handle the loads for the span.$)$ Live Load: $125$ psf Topping: $4\mathrm{.}5$ Normal weight concrete topping Superimposed Dead Load $($includes brick pavers$)$: $25$ psf $3$ span unshored condition for construction loads$5.$ Could you use form deck for the conditions noted in #$4?$ Explain your answer.