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?3� 0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2 (minimum) <br /> (this must match the soil boring log) desired mound ratio 2.0 <br /> �a� �3 percent site slope (0•20�range) �(�downslope site slope, if different than upslope) <br /> ?s� 16 inches, or 1.3 ft. to Redox or other limiting condition (need at least 12"to be a Type I) <br /> Treatment zone containsQinches of 0%soil credit, and �inches of SO;K soil credit. Giving a: <br /> �e; 20 inch, or 1.7 ft. Sand Lift Mound CRtTICAL FOR FUTURE CERTIFICATIONS!!1 <br /> ��� 20.0 #t.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> ?g� 0.0 ft. upslope and sideslope <br /> 10.0 ft. Downslope <br /> Individual slope ratios�ive BERM widths (topsoil beyond rockbed)of: <br /> ?9� 4:1 upslope ratio 0 ft. upstope berm <br /> so� 3:1 sideslope i2 ft. sideslope berms <br /> s>> 4:1 downslope 20 ft. downslope berm <br /> sa� Overatl Dimensions: 10.0 ft. wide by 31.3 ft. lang Rock bed <br /> 30 ft. wide by 55 ft. long Mound footpHnt <br /> 4" inspection pipe <br /> 18" cover on top <br /> U slo berm 0 Downst berm 20 <br /> r <br /> 1 Z" cover on sides <br /> �� ��```-�� (6"�°°�►Y caP&6"topeo� <br /> --' 1.7 �-;�':�r s�r:tl i'r- .'�-� <br /> , �`�_ <br /> ` _ _ ._ _ 1.3 3,..�_ _ _ _ ' �__ _ ' <br /> Absfl �ion Width 20.0 - _ ..- - ___ _ __ _ __ , <br /> Note: <br /> For�0 to 7�slopes, .�lasorptia,n Widt`h Ss measured from the Bedequally i� bot#� directions. <br /> For slopes >1A6, .4,bscrpttan H�'d�h is measured dawnhill from the upslo� ed�e of the B�o! <br /> 33 i Rock Bed: <br /> 10.0 ft. by 31.3 ft. by �9�inches under pipe, plus 20%gives 14 yd'or*1.4� 2U ton <br /> aa� Mound Sand: (note: volume is based en 3:1/4:1 slope from top of rockbed, Exchange sand for toamy cap if desired) <br /> 22.2 up + 35.0 downstope + 9.g ends+ 21.0 under rock= 106 yd'or*1.4= 148 ton <br /> plus 2095 <br /> �s; Loamy Cap: <br /> 26 ft. by 51 ft. 6"deep, plus 20%gives 30 yd'or"1.4= 42 ton <br /> 36) TopsoiL• <br /> 30 ft. by 55 ft. 6"deep, plus 209K gives 37 yd'or•1.4= 52 ton <br /> I hereb ertify that!have completed this work in accordance with all appticabte ordinances, n�ies and laws. <br /> ,,�.... <br /> Rusty otson's Soil�Perc 810 4/10/2017 <br /> signer Signature Company Licen Date <br />