S.C. Code Ann. § 29-3-710

In his petition the petitioner shall designate one appraiser and within ten days after service of a copy of the order upon the judgment creditor or his attorney of record he shall designate to the clerk another appraiser, whereupon the court having jurisdiction of the action or any judge thereof shall appoint a third, and the said court or judge shall make the appointment herein provided for the judgment creditor if he does not avail himself of his right within the time above prescribed.