Supply And Transportation Of Ballast For The Comprehensive Renewal Of Infrastructure And Track Between Guillarei And Redondela And Redondela And Vigo-Guixar Of The Monforte De Lemos Lines - Chapela Branch And Chapela - Vigo-Guixar Branch And Comprehensive Renewal Of The Redondela Section - Arcade Branch Of The Redondela - Santiago Line. Two Lots.