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OWIBR: DOUG I KIII KA1511 MOUND DISPOSAL STSTEM CALCULATIONS <br /> STRIBT: P.O. 801 131 09101193 Today <br /> CITTIIIP:TBORITOB, CA. 95686 04119193 Last Revision <br /> PARCEL: UNINOWB <br /> Daily Plow (qpd) 3000 <br /> Bed Infil, rate(gpolsf) (2) 0.8 <br /> Bed Area (ft'2) (9) 3750 <br /> Hound Bed Length (ft) (B) 80 (Kar 100 ft. each direction) <br /> Mound Bed Width (ft) (A) 46.9 (Min 3 ft) <br /> Average slope (1) 1 (Kar 121 ;60 m1i over 61) <br /> Kound dimensions <br /> Depth high side (ft) (D) 2.0 Kin 1 ft., Kar 2 ft. <br /> Depth low side (ft) (I) 2.5 Nigh side t (width t slope) <br /> Bed depth (in) (P) 12.0 Kin 9 inches <br /> Cap at edge of bed (ft) (G) 1.0 Kin I foot <br /> Cap at center of bed (ft) (B) 1.5 Kin 1.5 feet <br /> Kound perimeter <br /> Upslope setback (ft) (J) 11.7 <br /> Side slope setback (ft) (1) 14.2 <br /> Downslope setback (ft) (I) 13.8 <br /> Minimum Basal area required <br /> Average Pere rate (min/in) 36 See test results (Kar 120 mielin) <br /> Infiltration rate (gpolft'2) 8.73 <br /> Area req'd (ft'2) 5137 <br /> Kin downslope setback (ft) (I) 11.3 <br /> Mound length (ft) (B+2'1) 108.4 <br /> Kound width (ft) (A+J+I) 75.9 <br /> (1) All data from TPA Design Kanual 'Onsite Wastewater Treatment and <br /> Disposal Systems' pages 239 thra 252. <br /> (2) Table 7-9 requires Kedium Sand or Sand/Sandy Loam Kirture. <br />