L361n, Frechen-Königsdorf
New Building Building No. 4 via BAB 4
44-21-0057 L 361n, Frechen-Königsdorf, new building BW 4 via the A 4:
Produce 430 m³ excavation pit
Installing 2,000 m³ BW backfill
810 m³ rated Produce concrete including formwork
Install 185 t rebar