Inscrivez-vous ou connectez-vous pour rejoindre votre communauté professionnelle.
use3/8"dia bar @8" c/c both end, top extra bar3/8"dia8" c/c, for shear L/3 lenght.
If it was properly calculated, and slab thickness and rebars was used according calculation, then all OK.
You provided not enough information for any accuracy advices.