"If you cut through a 4-inch thick concrete slab, using a professional-grade saw, it may demand approximately 45 minutes to ...

“Once the cut or drilling is complete on a multi-level structure, the floor slab or core could fall from ... meaning the drill steel used to chip through the concrete applies a hammer-type ...

Some designers specify to cut all the reinforcement ... reinforcement may not be properly located in the slab. Support reinforcement with chairs or precast-concrete bar supports.