Supply of aggregate regarding the design and execution of works for the task titled “Works on the Railway Line No. 93 Trzebinia – Zebrzydowice on the section from Oświęcim to Czechowice Dziedzice” as part of the project PoliŚ 2014-2020 no. 5.1-12 titled: “Works on Railway Line No. 93 on the section Trzebinia-Oświęcim-Czechowice Dziedzice”