Supply of aggregate regarding the task of “Modernization of the section Jaworzno Szczakowa-Trzebinia (KM 1.150-0.000 of Line No. 134, KM 15.810-29.110 of Line No. 133) as part of the Project “Modernization of the E30 railway line, section Zabrze-Katowice-Kraków, stage IIB”