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;' <br />r <br />D. Gabion Filler Material <br />Gabion fill materiel shall be durable rock meeting the requirements of <br />Section 2.01 above for "Dumped Riprap" except that for the size, shape and <br />gradation of the stone. Rock used shall be well graded within the sizes <br />available and 70% by weight, shall exceed the largest dimension of the wire <br />mesh opening. The maximum stone size, measured normal to the slope, shall <br />not exceed the mat thickness. Sand, gravel, asphalt, broken coneret.e <br />fragments, soil or other materials not classified as rock will not be <br />acceptable as filler material <br />River rock meeting the size requirements specified herein shall be a suitable <br />filler material for the gabion mattress. <br />Gabion filler material shall have an equivalent spherical diameter of 4 to B <br />inches. <br />I <br />I <br />.7 <br />E. Standard Size and Code Designation <br />The size end code designation indicated on the Drawings shall conform to <br />the following: Equivalent unit sizes conforming approximately to the sizes <br />listed will be acceptable. <br />Letter <br />Code <br />of Size Len h <br /> <br />GABION BASKETS <br />Width Depth <br />Capacity <br />Number of Cubic <br />DiaphraKms Yards <br /> <br />A 6' x 3' x 3' 1 2 <br />B 9' x 3' x 3' 2 3 <br />C 12' x 3' x 3' 3 4 <br />D 6' x 3' x 1'-6" 1 1 <br />E 9' x 3' x 1'~" 2 1.5 <br />F 12' x 3' x 1'-6" 3 2 <br />G 6' x 3' x 1' 1 0.666 <br />H 9' x 3' x 1' 2 1 <br />I 12' x 3' x• i' 3 1.33 <br />2.04 Plastic Filter Fabric <br />A. General <br />The plastic filter fabric shall be suitable for filtration and prevention of <br />leaching of subsoils. <br />B. Fabric <br />I <br /> <br />I <br />~. <br />02540'4 <br /> <br />