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River, Canal Bank / Lagoon Bank Stabilization
River, Canal bank and lagoon bank stabilization involves implementing techniques to prevent erosion
and maintain the integrity of the banks. This is crucial for preserving the natural habitat, protecting
infrastructure, and ensuring the safety of nearby communities. Methods for stabilization may include
the use of erosion control blankets, bioengineering techniques such as planting vegetation, and
structural solutions like Gabion walls, Stone Revetment ,Groyne or retaining structures. These
measures aim to reduce the impact of water flow, wave action, and sediment transport, thereby
maintaining the stability and ecological health of the river or lagoon banks.
Gabion Wall Construction
Gabion walls along riverbanks or lagoon shores serve similar purposes to sea gabion walls, providing erosion control and stabilization of the bank. The construction process involves preparing the bank by clearing vegetation and debris and creating a stable foundation. Gabion baskets are then placed along the bank’s edge and filled with rocks or other materials. The baskets are stacked in a staggered pattern to create a strong and flexible barrier that can withstand the forces of flowing water. Additionally, erosion control fabric may be used behind the gabion wall to further prevent soil loss. Proper drainage measures are also incorporated to ensure that water flows freely through the gabion structure without
causing hydrostatic pressure buildup, which could compromise its stability over time. Overall, river and lagoon bank gabion wall construction aims to provide effective erosion control while blending with the natural environment.

Revetment Construction
River rock revetment construction utilizes large natural stones to stabilize riverbanks and prevent erosion. The process involves preparing the riverbank, strategically placing the stones in a layered fashion, and ensuring secure interlocking to resist water flow. Proper drainage is incorporated to maintain effectiveness, aiming to blend with the natural environment while providing reliable erosion control.
