PVC-coated galvanized gabion mattresses are flexible wire mesh units used for riverbank protection, slope stabilization, erosion control, and channel lining, each mattress is manufactured from double-twisted hexagonal wire mesh and designed to provide strength, durability, and corrosion resistance in hydraulic and civil engineering works.
Gabion Mattress Dimensions
- Length:6 m
- Width: 2 m
- Height:0.3 m
- Each gabion mattress unit consists of a wire mesh base, side walls, 5 diaphragm cell separators, and a top cover.
- Gabion Mattress Mesh Construction: Made of double-twisted PVC-coated galvanized hexagonal wire mesh.
- Diaphragm Separator Requirements: Installed at 1 m intervals. Each gabion mattress has six cells. The diaphragm mesh shall match the outer mesh properties.
- Lacing Wire Requirements: Each gabion mattress shall include enough lacing wire for assembly. The supplier shall determine the total lacing wire length, including normal installation wastage.
- Galvanized Wire and Zinc Coating: The wire shall be hot-dip galvanized with at least 260 g/m² zinc coating. The wire and PVC coating shall meet the following physical and mechanical requirements.
- Packing Requirements: folded flat, and packed in bundles.
Gabion Mattress for Our Utilities Project
| S. No |
Item Description / Specification |
Unit of Measurement |
Qty per 'm' length |
Total Length (m) |
Schedule A |
Schedule B |
Total Qty |
| 1 |
Boulders of 150 mm to 300 mm size for filling in Gabion boxes |
cubic meter |
2.10 |
1 |
2.10 |
4.00 |
6.10 |
| 2 |
3mm GI wire mesh for making Gabion box (Zinc Coated) |
sqm |
27.30 |
1 |
27.30 |
25.00 |
52.30 |
| 3 |
Placing of 2mm thick non-woven geotextile layer between filling and gabion box upto FGL |
sqm |
15.60 |
1 |
15.60 |
14.50 |
30.10 |
Notes
- Schedule A: The initial or planned quantities for the first phase of filling gabions, such as the first 50 meters of a wall. For example, 27.30 sqm of wire mesh would be used in the first 50 meters of gabion boxes, with 2.10 cum of boulders for the same length.
- Schedule B: The quantities for the next phase, or for a different task altogether, such as preparing a different area, perhaps a new section of wall.
By using Schedule A, the project team can track the expected amounts of materials and tasks in the beginning phase. Similarly, Schedule B would follow up with more detailed measurements or tasks.
Reno Mattresses and Gabion Mattresses for Retaining Wall Construction
We offer Reno mattresses in various sizes made from hexagonal netting with a mesh size of 60x80mm. The wire used has a diameter of 2.2mm and is coated with a Galfan coating (Zn 90%, Al 10%) for enhanced durability and corrosion resistance.
Reno Mattress Specifications:
- Size: 3x2x0.3 +D2
- Mesh: 60x80mm, triple twist
- Wire Diameter: 2.2mm
- Coating: Galfan (Zn 90%, Al 10%), PVC layer
- Tensile Strength: > 55kN/m
- Galfan Coating Weight: > 245g/m²
- PVC Coating Thickness: 0.5mm
- Swedge Wire: 3.4mm (Grade 380-550 MPa), PVC-coated to 4.4mm
- Other Sizes Available:
3x1x0.3 Reno Mattress
- Gabion Mattress (2x1x0.3m)
- Gabion Mattress Renault: 5x2x0.3m, mesh 6x8mm, wire diameter 2.4mm
Technical Specifications for Gabion Mattresses:
- Dimensions: 6x2x0.3m with 6 cells
- Anti-corrosion protection: Galfan coating (Zn90/Al10) + PVC layer
- Mesh Opening: 6x8mm
- Wire Diameter: 2.4mm grade 380-550 MPa (PVC-coated to 3.4mm)
These gabion mattresses are suitable for various applications, including erosion control, slope stabilization, and foundation support. The Galfan coating provides superior anti-corrosion protection, making them ideal for long-term use in harsh environments.
