Answer:
The previously concreted slab shall be supported by providing back props if there is any further level.
Step-by-step explanation:
Back Propping:
The previously concreted slab shall be supported by providing back props if there is any further level. The back props shall be provided as required, according to the structural calculations done by CONTRACTOR's Structural Engineer. The back props shall be provided according to the attached sketch.
I hope my answer is correct and helped you ✨