S.C. Code Ann. § 11-35-3024
(2) Content of Request for Proposals. A Request for Proposals for design-build, design-build-operate-maintain, or design-build-finance-operate-maintain:
(c) may, if the governmental body determines that the cost of preparing proposals is high in view of the size, estimated price, and complexity of the procurement:
(3) Evaluation Factors. A Request for Proposals for design-build, design-build-operate-maintain, or design-build-finance-operate-maintain must: