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23) 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 /> 3a� 10 percent site slope (0-20% range) 10 (%downslope site slope, if different than upslope) <br /> �s> 18 inches, or 1.5 ft. to Redox or other limiting condition (need at least 12" to be a Type I) <br /> Treatment zone contains�0 inches of 0%soil credit, and �0 inches of 50%soil credit. Giving a: <br /> a�� 18 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> 2�� 20.0 ft.Totat 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 give BERM widths (topsoil beyond rockbed) of: <br /> z9� 4:1 upslope ratio 10 ft. upslope berm <br /> 30� 3:1 sideslope 14 ft. sidestope berms <br /> 3i� 3:1 downslope 20 ft. downslope berm <br /> 3�> Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 40 ft. wide by 91 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" eover on top <br /> U sta e berrn �� Dawnslo e berm 20 <br /> 12" co�er on sides <br /> '••,,,, {6"loamy cap&6"topsoil) <br /> 1.5 '��e�n sand iift ��'�-..,` <br /> . 1.5 Cre�tt- tc L6r-nitir�{; <br /> Lirr,itir3c� ` � _�_-—--—— - <br /> _ �.onditi�n ---- -- — -•- <br /> Abs�r tion 1�lidth � 20.0 _ _.___-- -- --- - -_..__ -- - . <br /> �tate: <br /> �or 0 to 1%sEopes, .4bsor,otion Wldth is measured from the Bedequally in i}oth directions. <br /> For slopes >1�, ,4Bsa�ption Wldth is measured downhill from the upslo�e ed�e of the B�d. <br /> 33) Rock Bed: <br /> 10.0 ft. by 63.0 ft. by �inches under pipe, plus 20%gives 21 yd'or'"1.4= 29 ton <br /> 3a> Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br /> 27.5 up + 82.7 downslope + 13.6 ends + 46.7 under rock= 205 yd'or"1.4= 286 ton <br /> plus 20% <br /> 3s� Loamy Cap: <br /> 36 ft. by 87 ft. 6"deep, plus 20%gives 70 yd'or*1.4= 98 ton <br /> 36) TOp501�: <br /> 40 ft. by 91 ft. 6"deep, plus 20%gives 81 yd'or"`1.4= 113 ton <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> Rusty olson's Soil £r Perc 810 8/20/2016 <br /> ' ner Signature Company License# Date <br />