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<br /> Page 12 <br /> <br />TABLE 3-1 <br />Granular Drainage Material Control Testing <br /> <br /> <br /> <br />Test <br /> <br /> <br />ASTM <br />Method <br /> <br /> <br />Frequencyb <br /> <br />Criteria/ Specification <br />Particle Size D422, <br />D1140 <br />5,000 cy 3/8" max. particle size; <br /><3% passing No. 200 <br />sieve <br />Laboratory Hydraulic Conductivity D2434 5,000 cya >0.1 cm/sec <br />Soil Type D2488, <br />D2487 <br />Continuous Clean GP/GW <br />aHydraulic conductivity may be calculated based on gradation test results using accepted engineering <br /> correlations rather than performing laboratory permeability tests. <br />bThe proposed frequency corresponds to each material from each source. All sources will be tested at this frequency. <br /> <br /> <br /> <br />TABLE 3-2 <br />Coarse Gravel Material Control Testing <br /> <br /> <br /> <br />Test <br /> <br /> <br />ASTM <br />Method <br /> <br /> <br />Frequencyb <br /> <br /> <br />Criteria/ <br />Specification <br />Particle Size D422, <br />D1140 <br />500 cy 1" max., 0-15% passing <br />1/2", <5% passing <br />No. 4, <2% passing No. <br />200 <br />Lab Hydraulic Conductivity D2434 500 cya >1.0 cm/sec <br />Soil Type D2488, <br />D2487 <br />Continuous Clean GP/GW <br />aHydraulic conductivity may be calculated based on gradation test results using accepted engineering correlations <br /> rather than performing laboratory permeability tests. <br /> bThe proposed frequency corresponds to each material from each source. All sources will be tested at this frequency. <br />