The floor$-$beam$-$column system shown in Fig. $2$ is subjected to a superimposed $DL=45psf($excluding the self$-$wt$.$ of the floor slab$)$ an superimposed $LL=90ps{f}_{?}.$ ABCD portion of the slab is cantilevered from the support beam AB$.$ The MNBA portion of the slab is supported beams MN and AB $($built integrally$)$ on two sides. Design the slab$-$floor system MNBCDA. Use Ultimate Strength Design method $($USD$).$ all possible live load reductions. Given: $f_c^{\text{'}}=4,000,f_y=60,000.$ Use ACI defined moment coefficients.

$($a$)$ Design the whole slab$-$system MNBCDA for flexure and shear. $(15$ points$)$

$($b$)$ Show all possible reinforcing details $($cross sectional profile & plan view for reinforcing lay out$)$ points$).$

The floor$-$beam$-$column system shown in Fig. $2$ is subjected to a superimposed DL $=45$ psf $($excluding the self$-$wt$.$ of the floor slab$)$ and a superimposed $LL=90psf.$ABCD portion of the slab is cantilevered from the support beam $AB.$ The MNBA portion of the slab is supported by beams $MN$ and $AB($built integrally$)$ on two sides. Design the slab$-$floor system MNBCDA. Use Ultimate Strength Design method $($USD$).$ Use all possible live load reductions. Given: $f_c=4,000,f_y=60,000.$ Use ACI defined moment coefficients.

$($a$)$ Design the whole slab$-$system MNBCDA for flexure and shear. $(15$ points$)$

$($b$)$ Show all possible reinforcing details $($cross sectional profile & plan view for reinforcing lay out$)$ points$).$

Fig. $2$