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File No. 20-1008-36 July 13, 1995 TABLE 7-4B Final Cover Frequency of Field and Laboratory Testing (Final 90%) ......................1 ....... .....r. ............................................v. ..:::::•:f•:x:..:.,,vv.::::.:: n:vr.., n++:k+r.0 x..�.:'�.••f.>..}}:.•:Y.-.•.•.•::::+} ;.r........::........r.r....:.:.•.:.•:...v.. {:'•.:.:.:..}:..vp'.�•.••::.x.:.:.:..•.n.......r..,.../A......:................r......,....:...............................:..:.:.•.•:::..:.:......:.x:.i.:.;.r{...}.;.;:.:...:. w:.r.....::::.:v w:::..n,......fvf.:.:.:.::.:.•.:r.•::}xf.::.:r:....•.:..:.{,:.. .. ...�y � •i ..; : ..::. \:�glyvv+•:. {..t}x}f::r.v•.•rx:{•. • :}:{A.::?ii: v... n...... :w:::.:•:r:::..:..:.. v.....}.• ..}.:....::.vw:::::::::::::•:::.v::::::::::::::.v::...::..... .. ., ., ;. ::::.:vv w::.:.::•::.•.................}.;..'•.., .f..?r..�..;`vye.y'.�.....•.�'..!..y�� .,. ::..:::: 'n:•�?^':ii:�4{.y};: :W::::::::w::::::.v:+:i•:•:•:}v.?n:�:{tip: w::•w::.v:::�w:::::::x::::.vv::•::.}v:::::::::.� .. Foundation Layer Elevation: bottom of layer Survey 100-foot grid Elevation: top of layer Survey 100-foot grid Soil classification ASTM D-2487 1 per compaction curve Soil Identification Observation 1 per nuclear test Modified Proctor ASTM D-1557 1 per 10,000 cy and change of material Moisture density (Nuclear) ASTM D-2922 1 per 2,000 cy Clod size max. 4 inches Observation As required Number of equipment passes Observation As required Low Permeability Layer Elevation: top of layer Survey 100-foot grid Soil classification ASTM D-2487 1 per compaction curve Soil identification Observation 1 per nuclear test Modified Proctor ASTM D-1557 1 per 5,000 cy and change of material Atterberg Limits ASTM D-4318 1 per compaction curve Particle size of soil/clay mixture ASTM D-422 1 per compaction curve Mix Percentage Observation As required Rock size Maximum 2 inch Observation As required Soil Clod size Maximum 1 inch Observation As required Number of equipment passes Observation As required Moisture/density (Nuclear) ASTM D-2922 1 per 250 cy Density (sand cone) ASTM D-1556 1 per 5,000 cy or weekly Moisture (Oven dry) ASTM D-2216 1 per 5,000 cy or as required Laboratory permeability EM 1110-2-1906 Every 4 acres Vegetative Layer Elevation: top of layer Survey 100-foot grid Soil type Observation Pot tests as required by landscape architect Compaction - Soil should not be over-compacted Note: The required grades for layers should be maintained particularly on the top of the low permeability layer. GSM:md CHI 195 Copyright 1995 Kkinfeider,Inc.