(R-04). Modeling Staircase , Lowering the Tie Beam- Residential Building Design - ETABS

in this lesson we are going to perform the following steps in our residential building design in etabs:
Lowering the tie beam
the ground floor beams are located over the ground, we should lower the entrance location beam in same level with ground.
Modeling the Staircase
we are going to model the staircase by using reference planes and reference points.