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U <br />11 <br />Table 3 <br />RATE OF LIQUID FLUX THROUGH COMPOSITE LINER DUE TO GEOMEMBRANE DEFECTS <br />Forward Landfill, San Joaquin County, California <br />PARAMETER UNIT <br />AREA <br />AREA <br />AREA <br />AREA <br />COMMENT <br />Al mZ <br />4046 <br />4046 <br />4046 <br />4046 <br />Unit Area for Calculation <br />A2 Acres <br />9.86 <br />19.03 <br />10.53 <br />5.17 <br />Total Disposal Area Assuming Uniform Distribution of Bed Ash <br />A3 Acres <br />0.30 <br />0.30 <br />0.08 <br />0.01 <br />Total Disposal Area Assuming Average 2 -ft -thick Lift of Bed Ash <br />n None <br />2 <br />2 <br />2 <br />2 <br />No. of Defects per Unit Area <br />Cgo None <br />0.21 <br />0.21 <br />0.21 <br />0.21 <br />Good CQA and Liner Placement <br />d m <br />0.0035 <br />0.0035 <br />0.0035 <br />9.6E-06 <br />0.0035 <br />9.6E-06 <br />Diameter of Defect <br />Area of Defect <br />a mZ <br />9.6E-06 <br />9.6E-06 <br />h m <br />0.3 <br />0.3 <br />0.3 <br />0.3 <br />Leachate Head Acting on Liner <br />t, m <br />0.6 <br />0.6 <br />0.6 <br />0.6 <br />Thickness of CCL Below Liner <br />k, m/sec <br />1.00E-09 <br />1.00E-09 <br />1.00E-09 <br />1.00E-09 <br />Hydraulic Conductivity of CCL Below Liner <br />Q (m3/sec)/m2 <br />9.79E-09 <br />9.79E-09 <br />9.79E-09 <br />9.79E-09 <br />Q --n*Cys*d°'z*hos*ks0.74 <br />Q (m3/yr)/m2 <br />1.28E-02 <br />1.28E-02 <br />1.28E-02 <br />1.28E-02 <br />Convert to Year <br />QAi m/yr <br />3.17E-06 <br />3.17E-06 <br />3.17E-06 <br />3.17E-06 <br />Flux Per Unit Area (Al) <br />QA2 m/yr <br />3.13E-05 <br />6.03E-05 <br />3.34E-05 <br />1.64E-05 <br />Flux Per Disposal Area (Uniform Distribution) <br />QA3 m/ r <br />9.47E-07 <br />9.47E-07 <br />2.47E-07 <br />4.49E-08 <br />Flux Per Disposal Area 2 -ft -thick Lift of Bed Ash) <br />REFERENCE - Giroud, J.P., 1997, "Equations for Calculating the Rate of Liquid Migration Through Composite Liners Due to Geomembrane Defects", <br />Geosynthetics International, Vol. 4, Nos. 3-4, pp. 335-348. <br />