 Even if a big corporation with strong workplace requirements is handling the rebuild, there's often multiple subcontractors involved down the line. McCallum says that the further removed these third-party workers are, the more challenging it is to enforce the same standards that the workers at the top receive. As these values fall through the cracks, many workers are taken advantage of. And while there are some federal structures in place to keep workers safe, such as the Davis-Bacon Act, even these laws aren't always enforced.