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a <br /> . o- <br /> Construction Quality Assurance (CQA) Checklist for Clay Liner and Cap Construction Programs <br /> Facdhly Name: Harney Lane Landfill,San Joaquin County As-Built Review Date: <br /> Design Review Date: 27 March 1992 by WJM/SER <br /> Clay Borrow Material Evaluation <br /> Test Method Recommend 1 Test per Required'/Recommended Proposed Proposed <br /> Volume Shown Criteria Frequency Criteria <br /> Moisture Nuclear Gage D2922 1,000 cy 2 to 5%over optimum None <br /> Oven Dried D2216 moisture content <br /> Particle D422, D1140 1,000 cy Min.30%pass No.200 5000ey None <br /> Size sieve' <br /> Lab Flexible Wall Permeameter 1,500 cy 51x10-7 or 51x10 6 cm/s one <br /> Permeability Remolded at 90%and 95% (Prefer tOx tower than <br /> maximum dry density Field permeability rqmt) <br /> Atte rbc rg D4318 5,000 cy Plasticity Index: 15 to 40 None <br /> I,imus <br /> Compaction Modified Proctor D1557 5,000 cy None <br /> Curves Standard Proctor D698 or change in material <br /> Scii Type D2488, D2487 5,000 cy CL, CH,SC' 5,000 cy +ML&SM <br /> Notes Harney Lane closure plan calls for admixture of native material with 15 to 20%Ione clay. <br /> Clay Barrier Construction Testing <br /> Test Method Recommend 1 Test per Required'/Recommended Proposed Proposed <br /> Volume Shown Criteria Frequency Criteria <br /> Density & Nuclear gage D2922 250 cy 90 or 95%compaction 250 cy see below <br /> t.loisture (5/ac/lift) 2to5%over optimum <br /> Density Sand Cone D1556 1,500 cy 90 or95%of maximum dry 5000cy 95%Ydmax <br /> Rubber Balloon D2167 (1/ac/lift) density (Ydmax) <br /> Moisture Oven Dried D2216 1,500 cy 2%to 5%over optimum 5000cy 3%over <br /> (1/ac/lift) moisture content optimum <br /> Particle D422, D1140 1,500 cy Min.30%pass No.200 <br /> Size %tni <br /> SOOcy 60xpass <br /> (1/ac/lift) sieve' I No.4selve <br /> Lab Flexible Wall Permeameter <br /> Permeability SW-846 Method 9100 1,500 cy Six10 7 or 51x10 6 cm/s 1 per 4 acres 5 X 10.7 <br /> ASTM D5084-90 (1/ac/lift) =6500cy cm/s <br /> Atterberg D4318 1,500 cy Plasticity Index:15 to 40 5000 c <br /> Limits (1/ac/lift) y None <br /> Compaction Modified Proctor D1557 5,000 cy <br /> Curves Standard Proctor D698 or chane in material 5,000 cy <br /> Field Perm. SDRI <br /> Test Pad s1x10-7 or 51x10.6 cm/s SDRI on 1x10-6 cm/s <br /> Test Pad <br /> Clod Size Observation Continuous 51 inch <br /> As Needed - <br /> Liner Surveying, 50 foot centers <br /> Thickness Measurement 100 foot grid <br /> Ncles: Items shown in Bald are significantly different than required/recommended. <br /> ' Required by California Code of Regulations,Title 23, Division 3,Chapter 15. <br /> Checklist Modified from U.S. EPA Document EPA/600/2-88/052, Lining of waste containment and other impoundment facilities. <br /> Prepared by Waste Discharge to Land Unit, Region 5.RWOCB, 3/27/92 <br />