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Alternative3--Aerated Static Pile <br /> Assume extendedpilemethod <br /> Assume 75 foot long plies <br /> Assume 8 feet overall hieght <br /> kssume, 15 feet overall width <br /> Assume I foot base and I foot blanket <br /> Assume 1:1 angle of repose <br /> Total volume per ile <br /> Cross-sectional area 120 ft2 <br /> Area of compost mixture 84 ft2 <br /> }Area of base 15 ft2 <br /> Area of cover 21 ft2 <br /> Assume use of "o-block end wall at blower <br /> gnor volume at end of 'I s; i.e. last a fee—t -- <br /> Volume per 75 foot ile <br /> Total + 298 CY <br /> Compost mixture 208 CY <br /> Base 42 CY <br /> Cover 58 Cy <br /> Biofilter <br /> _Aeration fan size 400cfm@7.5lnH2O 2 Hp <br /> Size b1ofilter for 75%of fan2_operatIng at the same time <br /> Blofilter sizing criteria 1 3 c'1rTVft2 <br /> Blofllter are �per static pile —100 ii-2 <br /> Assume biofifter width 15 <br /> (20 ft overall with allowance for inlet 2iping) <br /> Linear--feet of blofilterper slatE-plle 7 ft <br /> .- - I ........... <br /> Total number of aerated static pIles <br /> Number Blofilte r JTotal -.compost <br /> of Static Length (CY) Mixture <br /> Piles ft (CY) <br /> C1 40 267 11,911 8,338 Four biofilters 0 75 feet long <br /> C2 40 267 11,911 8,338 Four biofilters @ 75 feet Ionq. <br /> 03 23 153 6,849 4,794 Two blofifters @ 75 feet long <br /> C4 46 3071 13,698 9,588 Four biofilters @ 75 feet long <br /> C5 42 280 12,507 8,755 Four-blotifters @ 75 feet long <br /> C6 13 871 3,871 2,710 710 Two biofilters, @ 75 feet Ion <br /> Total 60,747 42,523 <br /> FN:dtr/a*\COMPVOL.XLS Page 2 of 4 Printed:9/2/94 12:17 PM <br />