Геркулес / Hercules / Fish tunnel

Frame - steel pipe, outer surfaces - HDPL-plastic, mesh - steel bar at least 4mm. Powder painting of steel parts. The bottom of the structure is rubber coated. Tunnel roof - 6mm cellular polycarbonate. The frame is collapsible, bolted connections are installed for assembly. Installation of the structure on the ground using concreted mortgages.
Dimensions: 1800x4000x10000 mm.