$(6)$ Design and draw slab formwork systems using the following data:

a$)$ Sheathing $1**4$ in$,$ joists $2**4$ in$,$ stringers $2**6$ in$,$ props $4**4$ in $.$

b$)$ Slab thickness $250$ mm $.$

c$)$ Top of concrete $3\mathrm{.}0$ m

d$)$ Slab plan and elevation are as shown in Figs, $(1,2,3).$

e$)$ Determine and draw wind loads acting on slab formwork.