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_ 0.45 gpd/ft` Absorption area Soit Loading Rate, which gives a mound ratio of 2.7 jminimum� <br /> lthis must match the soil boring log) desired mound ratio 2.7 <br /> _ , 10 percent site slope (0-20� range) 10 (�downslope site slope, if different than upslopel <br /> _ 22 inches, or 1.8 ft. to Redox or other timiting condition {need at teast 12"to be a Type I) <br /> Treatment zone contains�inches of 0�soil credit, and �inc#�es of 50%soil credit. Giving a: <br /> ��,, 14 inch, or 1.2 ft. Sand Lift Mound CRITICAL FOR FUTURE CERT{FICATIONS!!! <br /> =%� 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as fotlows:� <br /> =�� 0.0 ft. upslope and sideslope <br /> 17.0 ft. Dawnstope <br /> Individual stope ratios give BERM widths (topsoit beyond rockbed�of: <br /> '��� 4:1 upslope ratio 9 ft. upslope berm <br /> ���; 3:t sideslope 13 ft. sideslope berms <br /> �. 3:1 downslope 21 ft. downstope berm <br /> �•_� Overatl Dimensions: 10.0 ft. wide by 63.0 ft. tong Rock bed <br /> 40 ft. wide by 89 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> U slope berm 0 Downslo e berm 21 <br /> 12" cover on side5 <br /> (6"loamy csp&8"topsoil) <br /> �.Z Ctean sand lift <br /> _ . . _. . 1.8 t�epth tr� �.��i�.:,,� <br /> �. m.>�it�tn� C=o��,; . - � - _ <br /> Absor tian Width z7.o _ _ <br /> Note: <br /> For 0 to 1�stopes, Abso�ptian Widlh is measured from the 8edequally in both directions. <br /> For slopes >1�, Absorption Nh`dth is measured downhilt from the upslope edge of the Bed. <br /> ;;� Rock Bed: <br /> 10.0 ft. by 63.0 ft. by ��inches under pipe, plus 2��gives 21 yd'or"1.4= 29 ton <br /> Mound Sand: (note: votume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for toamy cap if desired) <br /> 20.1 up + 66.1 downstope + 11.1 ends + 38.9 under rock = 164 yd'or'1.4= 229 ton <br /> ptus 20% <br /> � Loamy Cap: <br /> 36 ft. by 85 ft. 6" deep, ptus 20�gives 6g yd'ar"1.4= 95 ton <br /> ���, Topsoit: <br /> 40 ft. by 89 ft. 6"'deep, ptus 20%gives gp yd'or'1.4= 112 ton <br /> I hereby ceAtify that I have completed this work in accordance with alt applicable ordinances. rutes and laws. <br /> _.__.____._,, <br /> Rusty otson's Soil & Perc 810 12/14/2016 <br /> ' esigner Signature Company License# Date <br />