Dewatering Bags and Geotextile Jetties

Hydraulic dredge excavating into geotextile housing has been utilized for decades. Our work has addressed the back pressure issues caused by clogging. We have also increased the efficiency and capacity by incorporating a pressure activated relief design.
What we have learned from jetties is that they work! By reducing the water energy long shore nourishment sand is trapped. We offer a more eco friendly option. Sand filled geotextile groins proved effective in the 1980's. However, they were vulnerable to rip-rap damage and could lose sand. 
By fabricating a geotextile groin having two layers of material having specific characteristics, the groin is resistant to rip rap damage that can cause it to loose sand. The inner layer, used to build earthen damns, is resistant to tear and puncture. Sand movement will cause a migration of fibers / fabric to close the opening. The outer layer is a smooth woven and much stronger material having an interlocking feature at the cross members, making it resistant to unraveling. In addition to these two areas of resistance, testing (simulated rip rap damage combined with wave action) revealed the two layers move upon being impacted. The damaged areas are not aligned close enough to allow loss of sand.
Armageddon Beach!?
Restricting beach goers with permanent eco-unfriendly hazards is Not the solution and is irresponsible.
A poor solution was to pump bags full of cement. Our system that worked, in addition to the above,  reduced water energy and is a temporary and affordable solution to a temporary problem.  

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Geotextiles also used with...

Featuring :
Wildtype Native Plant Nursery