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TABLE 3-1 <br /> Granular Drainage Material Control Testing <br /> Criteria/Specification <br /> ASTM Frequency <br /> Test Method <br /> Particle Size D422, 5,000 cy 3/8"max.particle size; <br /> Dl 140 <3%passing No.200 <br /> sieve <br /> Laboratory Hydraulic Conductivity D2434 5,000 cy' A.1 cm/sec <br /> Soil Type D2488, I Continuous Clean GP/GW <br /> D2487 <br /> 'Hydraulic conductivity may be calculated based on gradation test results using accepted engineering <br /> correlations rather than performing laboratory permeability tests. <br /> "The proposed frequency corresponds to each material from each source.All sources will be tested at this frequency. <br /> TABLE 3-2 <br /> Coarse Gravel Material Control Testing <br /> ASTM Frequencyb Criteria/ <br /> Test Method Specification <br /> Particle Size D422, 500 cy 1"max.,<30%passing <br /> D1140 3/8",<5%passing <br /> No.4,<2%passing No. <br /> 200 <br /> Lab Hydraulic Conductivity D2434 500 cy' >1.0 cm/sec <br /> Soil Type D2488, Continuous Clean GP/GW <br /> D2487 <br /> 'Hydraulic conductivity may be calculated based on gradation test results using accepted engineering correlations <br /> rather than performing laboratory permeability tests. <br /> 'The proposed frequency corresponds to each material from each source.All sources will be tested at this frequency. <br /> Page 14 <br />