A geotextile tube uses auxiliary stitch seams to create buffering spaces that distribute internal pressure and seal the filling space.
A hinged gate rotates to adjust water levels in an automated flashboard riser using a cable and gear mechanism.
Vertical layered check dams separate water from rocks and dissipate flood energy, preventing cascading amplification of debris flows.
Return lines collect used lubricant from sluice gate rollers, preventing environmental contamination.