TYPICAL FLOOR FRAMING PLAN

The combined total live and dead load floor load on the above plan is $100$ psf$.$ The load tributary width of

Beam $3$ is shown on the plan.

a$)$ Which members are supporting Beam $3?(5$ pt$)$

b$)$ Which members is Girder C supporting? $(5$ pt$)$

c$)$ Which members is Column B$2$ supporting? $(5$ pt$)$