S.C. Code § 49-17-560
Whenever the engineer and the viewers in charge shall make a survey for the purpose of locating a public levee or drainage ditch or changing a natural watercourse and the levee, ditch or watercourse would cross the right of way of any railroad company, the viewers in charge of the work shall notify the railroad company, by serving written notice upon the agent of such company or its lessee or receiver, that they will meet the company at the place where the proposed ditch, drain or watercourse crosses the right of way of such company, such notice fixing the time of such meeting, which shall not be less than ten days after the service of the notice, for the purpose of conferring with the railroad company with relation to the place where and the manner in which such improvement shall cross such right of way.
S.C. Code § 49-17-560