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- �•� gpd/ft` Absorption area Soil Loading Rate, which gives a mound ratio af 2 (minimum� <br /> (this must match the soit boring log) desired mound ratio 2.0 <br /> '�- C�percent site stope j0-20� range) ��� downstope site slope, if different than upstope) <br /> _ � 16 inches, or t.3 ft. to Redox or other limiting condition lneed at least 12"to be a Type I) <br /> Treaiment zone contains�inches of 0% soit credit, and �inches of 50`,G soil credit. Giving a: <br /> ,�>> 20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> _'. 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:l <br /> '4� 0.0 ft. upstope and sidestope <br /> 10.0 ft. Downstope <br /> Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br /> .U� 4:i upslope ratio 11 ft. upslope berm <br /> �� :� 3:1 sidestape 13 ft. sideslope berms <br /> �;� 3:1 downslope 22 ft. downslope berm <br /> _ Overatl Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 43 ft. wide by 89 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> U stope berm �� Downslo e berm zz <br /> 12" cover on sides <br /> -' (�6"'b�am`y cap&6"t�psoil) <br /> �.� Cteari sand lift <br /> t:"t'�'�.�7 tO ��ITalt� <br /> _ .._ <br /> 1.3 �' <br /> � __ _ .. <br /> ,. . - <br /> . : ,. . __ <br /> Absor tion Width 20.0 _ _. <br /> Nvte: <br /> _. <br /> For 0 to 1� stopes, ,4bso�ption Width is measured from the BPdequally in both directions. <br /> For slopes >1�, Absorption Wjdth is measured downhilt from the upslope ed�e of the Bed. <br /> Rock Bed: <br /> 10A ft. by 63.0 ft. by C�inches under pipe, plus 204c gives 21 yd'or't.4= 2g ton <br /> Mound Sand: �note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br /> 32.3 up + 73.0 downslope + 13.4 ends t 48.2 under rock = 200 yd'or"1.4= 2g0 ton <br /> plus 20� <br /> Loamy Cap: <br /> 39 ft. by 85 ft. 6"deep, plus 20%gives 74 yd'or"1.4= 104 ton <br /> >t�r TopsoiL• <br /> 43 ft. by 89 ft. 6"deep, plus 20a gives gb yd'or`1.4= 120 ton <br /> i hereby certify that i have completed this work in accordance with att applicabte ordinances. rutes and taws. <br /> ,> <br /> .,.�.-�—_.__.._ <br /> �-""t Rusty olson's Soil& Perc 810 1/9/2p17 <br /> �..- esigner Signature Company License# Date <br />