Lyndon, We are attempting to process Terracon’s invoice on Spring Valley. Prior to processing the invoice, we need the attached form completed along with a copy of the W9 for Terracon. If you have any questions, please let me know. Thanks, Clay Barnett, P.E. Town Engineer Town of Addison 16801 Westgrove Drive Addison, TX 75001-2818 Office: (972) 450-2857