Gabion & Mattresses
Gabion shall consist of furnishing, forming cages, cylinders or boxes filled with rocks installed at the locations designated, in accordance with this Specification and in conformity with the lines, grades, dimensions, and arrangements shown on the Plans or as directed by the Engineer. (DPWH Blue Book ITEM 1714)
A double twisted wire mesh container of variable sizes, uniformly partitioned into internal cells, interconnected with other similar units, and filled with stones at the project site to form flexible, permeable, monolithic structures such as retaining walls, sea walls, channel linings, revetments and wires for erosion control.
ADVANTAGES USING GABIONS AND MATTRESSES
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Drains Freely
Gabions offer an easy to use method for decreasing water velocity and protecting slopes from erosion.
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Durability
It has a very high resistance to atmospheric corrosion because of the well bonded zinc coating to support vegetation growth.
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Strength
Gabions are sufficiently solid, meaning they can withstand floods, torrential rains, frost, and earth pressure.
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Environmentally friendly
The gabion cage can be made out of recycled materials. The gaps in the soil between filling materials allow the plantation
to grow over time.
GABIONS STANDARD SIZES
PRODUCT SPECIFICATIONS
DPWH BLUE BOOK ITEM 1714