Annual Rate Contract For The Supply Of Gabion Boxes & Gabion Mattress , Welded Wire Gabions And Mattresses ( Metallic Coated ) Of Sizes Specified Below; Uniformly Partitioned , Of Variable Size , Interconnected With Other Similar Containers , And Filled With Stones At The Site Of Use , To Form Flexible , Permeable , Monolithic Structures For Retaining Walls , Sea Walls , Channel Linings , Revetments And Weirs Etc Conforming To , Is 16013:2012; Class A Or Class B With Required Spiral Binders , Lacing Wire And Stiffeners . The Material For Welded Wire Fabric Shall Be Manufactured Of Zinc Coated Mild Steel Wire As Per Clause 5 Of Is 16013 And Shall Be Assembled By Automatic Machines Or Other Suitable Means Which Will Ensure Accurate Spacing And Alignment Of All Members Of The Finished Fabric With Tolerances As Specified In Above Ccde . The Finished Material Shall Consist Essentially Of A Series Of Longitudinal And Transverse Wires Arranged Substantially At Right Angles To Each Other And Then Welded Together At All Points Of Intersection . The Coating Shall Conform To Is 4826 ( Heavy Coated ) Or Is 12753 ( Heavy Coated ) And The Tensile Strength Of The Wire Used For The Welded Wire Fabric , Spiral Binders , Lacing Wire And Stiffeners Shall Be In Accordance With The Clause 6 . 1 Of Is 16013 . Gabion Boxes ( 1 . 80M X 0 . 90M X 0 . 90M ) ( Lxwxh ) , No Of Cells 2 , Capacity 1 . 46 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Boxes ( 2 . 70M X 0 . 90M X 0 . 90M ) ( Lxwxh ) , No Of Cells 3 , Capacity 2 . 19 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Boxes ( 1 . 20M X 1 . 20M X 1 . 20M ) ( Lxwxh ) , No Of Cells 1 , Capacity 1 . 73 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Boxes ( 1 . 80M X 0 . 90M X 0 . 90M ) ( Lxwxh ) , No Of Cells 2 , Capacity 1 . 46 M3 , Mesh Opening 150X150mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Boxes ( 2 . 70M X 0 . 90M X 0 . 90M ) ( Lxwxh ) , No Of Cells 3 , Capacity 2 . 19 M3 , Mesh Opening 150X150mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Boxes ( 1 . 20M X 1 . 20M X 1 . 20M ) ( Lxwxh ) , No Of Cells 1 , Capacity 1 . 73 M3 , Mesh Opening 150X150mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Mattresses ( 2 . 70M X 1 . 80M X 0 . 23M ) ( Lxwxh ) , No Of Cells 3 , Capacity 4 . 86 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Mattresses ( 3 . 60M X 1 . 80M X 0 . 23M ) ( Lxwxh ) , No Of Cells 4 , Capacity 6 . 48 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Mattresses ( 2 . 70M X 1 . 80M X 0 . 30M ) ( Lxwxh ) , No Of Cells 3 , Capacity 4 . 86 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Mattresses ( 3 . 60M X 1 . 80M X 0 . 30M ) ( Lxwxh ) , No Of Cells 4 , Capacity 6 . 48 M3 , Mesh Opening 100X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Mattresses ( 2 . 70M X 1 . 80M X 0 . 30M ) ( Lxwxh ) , No Of Cells 3 , Capacity 4 . 86 M3 , Mesh Opening 150X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm . , Gabion Mattresses ( 3 . 60M X 1 . 80M X 0 . 30M ) ( Lxwxh ) , No Of Cells 4 , Capacity 6 . 48 M3 , Mesh Opening 150X100mm , Minimum Nominal Diametre-Metallic-Coated Wire 4 Mm .