My first Magazine dsi-info-23-en | Page 153

Construction—North America—Panama—Structural Repair Solutions Afterwards, bore holes were drilled into all sills into which horizontal and vertical tendons were installed for strengthening. The tendons used were 180 66mm Ø, St 150, 10.97m long DYWIDAG Bar Post-Tensioning Tendons. DSI Construction USA supplied the bar tendons complete with 180 nuts and 180 steel anchor plates. The individual bar tendons were vertically installed into the sills using 1,000 spacers and were stressed afterwards. DSI also provided the 4 stressing jacks needed for post-tensioning and provided on-site technical assistance. Owner ACP – Autoridad del Canal de Panamá, Panama General Contractor Joint Venture Grupo Unidos por el Canal, S.A. (GUPC SA), consisting of Sacyr S.A., Spain, Salini Impregilo S.p.A., Italy, Jan De Nul Group, Belgium and Constructora Urbana