Take Ga-400 North From Atlanta And Continue For About 20 Miles. Take Exit 7A For Holcomb Bridge Rd Toward Norcross, Then Turn Right Onto Holcomb Bridge Rd. In About 2 Miles, Turn Left Onto Barnwell Rd. Continue For Approximately 3 Miles, Then Turn Right Onto Niblick Dr. Turn Left Onto Cottage Farm Rd, And 5300 Cottage Farm Rd Will Be On Your Left.