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n <br />GeoSyntec Consultants <br />Table 4 <br />Vegetative Layer Compliance Testing <br />Table 5 <br />Pipe Zone Backfill Compliance Testing <br />Proposed <br />Testing Frequency <br />ASTM <br />(1 Test Per <br />Proposed Criteria/ <br />Test <br />Method <br />Volume Shown) <br />Specification <br />Soil <br />D2487 <br />5,000 cy <br />Clayey sand (SC) or silty sand <br />Classification <br />or change in material <br />(SM) material; 1" maximum <br />particle size. <br />Compaction <br />D1557 <br />1 test per material type <br />N/A <br />Curve (modified <br />Proctor) <br />D1557 <br />1 test per material type <br />N/A <br />Density (nuclear <br />D2922 <br />2,500 cy <br />Minimum 85% relative <br />gauge) <br />D2922 <br />(1/ac/lift) <br />compaction (ASTM D1557) <br />Layer Thickness <br />Survey; <br />75 -foot centers <br />1 -foot thick (minimum) <br />Measurement <br />(minimum) <br />Table 5 <br />Pipe Zone Backfill Compliance Testing <br />J:WL.LIED\FORWARD\CLOSURE\REPORT\CQA REPORT 6-5 99.11.30 <br />I* <br />Proposed <br />Testing Frequency <br />ASTM <br />(I Test Per <br />Proposed Criteria/ <br />Test <br />Method <br />Volume Shown) <br />Specification <br />Soil <br />D2487 <br />1 test per material type <br />Well graded granular material or <br />Classification <br />clean sand; no organic material; <br />3/a" max. particle size and less <br />than 12% fines <br />Compaction <br />Curve (modified <br />D1557 <br />1 test per material type <br />N/A <br />Proctor) <br />Density (nuclear <br />D2922 <br />1 test every 250 linear ft <br />Minimum 90% relative <br />gauge) <br />of trench <br />compaction (ASTM D1557) <br />J:WL.LIED\FORWARD\CLOSURE\REPORT\CQA REPORT 6-5 99.11.30 <br />I* <br />