1. a Department of Civil and Environmental Engineering, Virginia Tech, 750 Drillfield Drive, Blacksburg, VA 24061, USA
2. b Town of Leland Public Services Department, 102 Town Hall Drive, Leland, NC 28451, USA
3. c Black & Veatch Corporation, 201 Brookfield Parkway, Suite 150, Greenville, SC 29607, USA
4. d Department of Public Utilities, P.O. Box 1057, Orangeburg, SC 29116, USA