Debris flow barriers

Based heavily on our dynamic rockfall barriers, Maccaferri Hybrid and Attenuator Systems combine the energy absorption capabilities of a dynamic rockfall barrier with the reduced-maintenance advantages of drapery mesh. Rather than being secured to a lower support cable, the fence mesh is longer and drapes down the slope. Therefore, a falling rock is not captured and stopped as with a traditional rockfall barrier, but following impact with the barrier, the rock continues down the slope beneath the mesh draped down the slope face. The rock is progressively slowed beneath the mesh.

Hybrid and Attenuator Systems are used on slopes where there is available ‘run-out’ space beneath the barrier in which the rocks can ultimately stop or be collected harmlessly.

Our Attenuator and Hybrid barriers are supplied in kit form; all components (except ground anchors) are provided in the kit, including panel mesh, anchor posts, footing plates, brakes, cables, and clips.

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