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Job: 2005.0051 <br /> FORWARD LANDFILL FINAL PARTIAL CLOSURE <br /> Sheet No. 1 of 5 <br /> Calculated by:TS Date:January 25, 2006 <br /> BRYAN A. STIRRAT & ASSOCIATES Checked by: RMG Date: lanuary 25, 2006 <br /> CIVIL AND ENVIRONMENTAL ENGINEERS Scale: <br /> 1360 VALLEY VISTA DRIVE, DIAMOND BAR,CA 91765 <br /> FORWARD LANDFILL <br /> BENEFICIAL RE-USE OF CONTAMINATED SOIL <br /> I. ALTERNATIVE DAILY COVER AND ALTERNATIVE INTERMEDIATE COVER <br /> A. ASSUMPTIONS <br /> 1. Industry standard of 4:1 refuse to daily and intermediate soil cover <br /> (D&I) for properly run sanitary landfill (volume:volume) is appropriate. <br /> 2. In-place Refuse Density = 1,740 lbs per cubic yard <br /> 3. Based on recent data, site receives an average of approximately 5,000 <br /> tons per day (TPD) of municipal solid waste (MSW), which may vary <br /> season-to-season and year-to-year. <br /> B. VOLUME OF DAILY AND INTERMEDIATE SOIL COVER (D & 1) <br /> 1. Volume of Refuse <br /> 5,000 tons x 2,000 lbs/ton = 5,747.13 cy <br /> 1,740 lbs l cy <br /> 2. VOLUME OF D & <br /> 5,474.13 cy = 1,436.78 cy Say 1,440 cy <br /> 4 <br /> C. TONS OF SOIL <br /> 1. Assume 1 ton per cubic yard (spread and placed with dozers) <br /> 1,436.78 cy x 1 ton/cy= 1,436.78 tons <br /> Say 1,440 tons D & I alone. <br /> I1. OTHER BENEFICIAL RE-USE <br /> A. ASSUME <br /> 1. To establish a daily maximum, using contaminated soil for operations <br /> layer would be the critical use. Other uses appear to be too small, in <br /> comparison to impact a daily maximum. <br /> J:\Allied\Fotward\►TD Amendment\March 2006 JTD-LEA Resp\JTD\ContSoil Reuse012706.doc <br /> BRYAN A.STIRRAT 6 ASSOCIATES <br />