2019-10-182019-10-182016-02-26http://hdl.handle.net/10827/31844The South Carolina Department of Transportation publishes Qualified Products Policies that provide information to the manufacturer of the material to assist them in obtaining pre-qualified status. This policy discusses steel grates and frames for catch basin covers.application/pdfDocumentCopyright status undetermined. For more information contact, South Carolina State Library, 1500 Senate Street, Columbia, South Carolina 29201.Road materialsCulverts--GratesText