Clients and vendors operating at SC Ports, please be aware of the following impacts of  upcoming Labor Day on gate operations. All SCPA Charleston: Closed Monday, September 7. Business as usual Tuesday, September 8th.  SCIP (Greer): SCIP will close at 6pm on Sunday, September 6th and reopen on Monday, September 7th at 6pm.  ALL trucks must be in the gate by 5:30pm Sunday.  There will be no outbound train on Monday, September 7.