ŁOMŻA – CHAMBER 16M LONG X 8 M WIDE X 6 M DEEP
Łomża – chamber 16m long x 8 m wide x 6 m deep
Assembly of the chamber for three independent tanks. Two pumping stations d 3m x h 6m and between them monolith chamber measuring 5m x 6m x 6m. Three segments of linear shorings and two piston pumps were used to drain the excavation.