$(30\%)2.$ The schematic layout for a small mixed$-$use building is shown in

the drawings to the left. Roof joists span from exterior wall to

interior bearing wall and from the interior bearing wall to

exterior wall. Upper Floor joists span from Beam A to Beam B

and from Beam $B$ to the exterior wall

Design loads are the following:

Roof:

$DL=,10PSF$

$LL=,25PSF$

Floor

$DL=,20PSF$

$LL=,40PSF$

Walls

$DL=$

$10PSF$

a$.$ Calculate the load of each of the following components on

Beam A in pounds per lineal foot $($#$/").$ Show all calculations

used to determine the component loads:

Roof Dead Load

Roof Live Load

Floor

Wail

TOTAL

b$.$ Draw a Free$-$Body Diagram $($FBD$)$ of Beam B including each of the loads listed in Part A above. Show the reactions at

the exterior wall and the interior column