S.C. Code Ann. § 24-3-131
The Department of Corrections shall determine whether an agency permitted to utilize convict labor on public projects pursuant to Section 24-3-130 can adequately supervise the inmates. If the director determines that the agency lacks the proper personnel, the agency shall be required to reimburse the department for the cost of maintaining correctional officers to supervise the convicts. In all cases the Department of Corrections shall be responsible for adequate supervision of the inmates.