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TABLE 1 <br />MINIM UM PHYSICAL REQUIREMENTS FOR DRAINAGE G EOTEXTILE <br />PROPERTY UNITS ACCEPTABLE VALUES TEST METHOD <br />Tensile Strength at Peak (lbf/in) 100 ASTM D 9595 <br />SEAM STRENGTH lb 160 ASTM D 9632 <br />PUNCTURE lb 80 ASTM D 9833 <br />TRAPEZOID TEAR lb 50 ASTM D 9533 <br />APPARENT OPENING <br />SIZE ntm less than 0.6 mm ASTM D 9751 <br />PERMEABILTY sec -1 5 times greater than permeability <br /> of backfilled soil <br /> ASTM D 9491 <br />ULTRAVIOLET <br />DEGRADATION Percent 90 AT 500 Hrs ASTM D 9355 <br />2,9 NON-WOVEN COIR FABRIC <br />The COIR fabric is serving multiple functions: <br />• used as a reinforcing fabric for the upper lifts <br />• protect the underlying geosynthetic fabric from UV exposure <br />• act as an erosion barrier to vegetation <br />• allow vegetation to penetrate the fabric and become established <br />The fabric shall be a composition blanket with 100 percent coconut fiber <br />fill held together with a biodegradable netting on both sides sewn with a <br />degradable thread on approximately 1.5 inch centers with the following <br />minimum average roll properties: <br />PROPERTY STANDARD TEST MINIMUM REQUIREMENT <br />Thickness ASTM D 1777 0.25 inches <br />Flexibility ASTM D 1388 8200 mg-cm <br />Tensile Strength ASTM D 9595 230 lb/ft x 138 lb/ft <br />Elongation ASTM D 4595 29.90 x 26.8 <br />Weight ASTM D 3776 10 oz/sy <br />Open Area Measured 0% <br />Roll Width Measured 6.0 feet <br />Under no circumstances will fabric with seams be permitted to be used <br />without the approval of the Contracting Officer. To obtain approval for the <br />use of seamed fabrics, submit material specifications and a construction <br />plan specifically showing or stating where the seams will be located in the <br />constructed product. <br />02340-6 <br />