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�� <br /> �� �� <br /> not receive violations for inadequate pover). As discussed above, Forward <br /> utilizes anumber cdother materials which are used aealternative daily cover <br /> ino|uding, but not limited to,construction and demolition waste,TASVV, ash <br /> and cement kiln dust, shredded tires, synthetic tarps,compost materials(off <br /> spec-delivered by generator), and PGM. Predominately, Forward utilizes soil <br /> and the following ADC mo0sha|e. PGM.TASVV, synthetic tarps and shredded <br /> tires. Forward utilizes a refuse-to-cover ratio of 4:1 for purposes of calculating <br /> the landfill's remaining capacity and site life. In addition, the remaining waste <br /> capacity and site life are reviewed annually byForward and are required tobe <br /> updated in accordance with 27 CCR, Section 21640. in conjunction with e <br /> review ofthe solid waste facilities permit every five years. <br /> 4.6 SITE CAPACITY <br /> Aopreviously discussed, the disposal area footprint consists ofapproximately <br /> 354.5 acres. The total site capacity imbased onthe difference between the <br /> estimated subgradeexcavation and the final disposal area contours.The <br /> total remaining airspace for the Forward Landfill,eaofDecember 31. 2Q,1t`is _''- <br /> Dekilted:06 <br /> | 2���/niUign.cubioY�fds(ncy)(date uflast aerial survey xwas MArcl2[J 1}` <br /> WOW:February <br /> Appendix C presents information regarding air space,final, intermediate and `` Deleted:06` <br /> daily cover requirements and remaining refuse capacity. The remaining site <br /> life imbased ona refuse tosoil volume ratio of4:1 and arefuse density of <br /> | 1,7&8 � U � .�� [--------------------- <br /> pounds � � � � |c ' <br /> topographic maps 0oestimate the volume offill(refuse and cover soil)placed <br /> during the period between the two aerials, The site capacity calculations <br /> reflecting this information are included inAppendix C, <br /> 4.7 SITE LIFE PROJECTION <br /> ' <br /> 4.7.1 SITE LIFE CALC—ULATIONS <br /> In order to calculate the site life for the Forward Landfill,the following criteria <br /> was utilized. <br /> * Remaining Site Capacity amnf12/31�11 (with liner, |y, __ ------.' <br /> | <br /> intermediate and final cover) moY--' ' — ------- <br /> * R�bxehmCover Ratio 4:1 /� °"=°~~~°~'~~'~~'~'` <br /> ! / <br /> Forward Landfill on 412 <br /> | a ED <br /> GW <br /> � ���������W"� � � �� ���� <br />