Sections 47-5-931 through 47-5-941 shall be full and complete authority for the exercise of all powers and authority granted herein and no requirements or restrictions of law which would otherwise be applicable to acts of the county or sheriff or the Department of Corrections shall be applicable except as expressly provided herein. The sheriff is expressly authorized to employ counsel to represent the facility to be paid a salary within the range allowed for a legal assistant to a district attorney with the employment to continue for a period of time not to exceed the duration of the indebtedness incurred for construction of the facility. The county or counties shall pay this cost and other costs incurred in the operation of the facility from the proceeds of the funds derived from the financing of the project and the housing of offenders.