Implementation of the 2nd subproject (of a total of 2 subprojects) of the construction of the Pieschen district heating main line, including land development by DREWAG as a basis for district heating supply in Dresden northwest and large parts of the Leipzig suburb. The 2nd subproject consists of the construction of the main district heating line between Gehestraße and the Mickten HKW in construction section D (here sub-sections D H1 to D H4) and district heating distribution lines including the domestic connection lines in construction sections C and D (here sub-sections C V18-1, C V18-2 and D V18-1 to D V18-4, D V19-1 to D V19-4, D V19-8 and the sub-sections C V19-1, D V18-5, D V19-6, D V19-9, D V20-1, D V20-4, D V20-6, D V20-4, D V20-4, D V20-6, D V20-6, D V20-6, D V20-6, D V20-6, D V20-7, D V21-5 included).