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<br /> Foundation Layer
<br /> Elevation: bottom of layer Survey 100-foot grid
<br /> Elevation: top of layer Survey 100-foot grid
<br /> Soil classification ASTM D-2487 1 per compaction curve
<br /> Soil Identification Observation 1 per nuclear test
<br /> Modified Proctor ASTM D-1557 1 per 10,000 cy and change of material
<br /> Moisture density (Nuclear) AST D-2922 1 per 2,000 cy
<br /> Clod size max. 4 inches Observation As required
<br /> Number of equipment passes Observation As required
<br /> Low Permeability Lay
<br /> Elevation: top of layer Survey 50-foot centers
<br /> Soil classification ASTM D-2487 1 per compaction curve
<br /> Soil identification Observation 1 per nuclear test
<br /> Modified Proctor ASTM D-1557 1 per 5,000 cy and change of material
<br /> Atterberg Limits ASTM D-4318 every acre per lift
<br /> Particle size of soil/clay mixture ASTM D-422 every acre per lift
<br /> Mix Percentage Observation As required
<br /> Clod size Maximum 1 inch Observation Continuous
<br /> Number of equipment passes Observation As required
<br /> Moisture/density (Nuclear) ASTM D-2922 5 per acre per lift
<br /> Density (sand cone) ASTM D-1556 Every acre per lift
<br /> Moisture (Oven dry) D-2216 1 per 5,000 cy or as required every acre per lift
<br /> Laboratory permeability EM 1110-2-1906 1 Every acre per lift
<br /> Vegetative Layer
<br /> Elevation: top of layer Survey 100-foot grid
<br /> Soil type Observation
<br /> Pot tests as required by landscape architect
<br /> Compaction - Soil should not be over-compacted
<br /> Note: The required grades for layers should be maintained particularly on the top of the low
<br /> permeability layer.
<br /> GSM:md 3EI94 Page 2
<br /> Copyright 1994 Kleinfelder,Inc.
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