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Alternative 3--Aerated Static Pile <br /> Assume extended pile method <br /> Assume 75 foot long piles <br /> Assume 8 feet overall hi ht <br /> tssume 15 feet overall width <br /> Assume 1 foot base and 1 foot blanket <br /> Assume 1:1 angle of repose <br /> Total volume per pile <br /> Crass-sectional area 120 ft2 <br /> Area of compost mixture 84 ft2 <br /> Area of base 15 ft2 <br /> Area of cover 21 ft2 <br /> r Assume use of eco-block end wall at blower <br /> Ignor volume at end ofpile; i.e. last 8 feet <br /> Volume r 75 foot €le <br /> Total 1 298 CY <br /> Compost mixture 208 CY <br /> Base 42 CY <br /> Cover 58 CY <br /> [ _ Biofiiter <br /> Aeration fan size 400 cfm 07.5 in H20 2 H <br /> Size biofilter for 75%of fan2_2perating at thesametime <br /> Blofilter sizing criteria I 3 cfm/ft2 <br /> Biofiiter area per static pile 100 ft2 <br /> Assume biofOter width 15 ft (20 ft overall with allowance for inlet piping) <br /> Linear Ieet of biofilter per static pile 7 ft <br /> Total number of aerated static piles <br /> . Number Blofilter Total Compost <br /> of Static Len (CY) Mixture <br /> I <br /> Piles (ft) CY <br /> l�. <br /> C1 40 267 11,911 8,338 Four biofilters 0 75 feet long <br /> C2 40 267 11,911 8,338 Four blofilters 0 75 feet Ion <br /> C3 23 153 6,849 4,794 Two biofilters ®75 feet long <br /> C4 46 3071 13,698 9,588 Four blofilters 0 75 feet long <br /> C5 42 280 12,507 8,755 Four blofilters @ 75 feet long <br /> C6 13 87 3,871 2,710 Two biofilters @ 75 feet Ion <br /> Total 60,11471 42,523 <br /> FN:dtr/a:\COMPVOL.XLS Page 2 of 4 Printed:9/2/9412:17 PM <br />