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Zs) 0.78 gpd/ftz Absorption area Soil Loading Rate, which gives a mound ratio of 1.5 (minimum) (this must match the soil boring log) desired mound ratio 1.5 za� 10 percent site slope (0-20% range) 10 (%downslope site slope, if different than upslope) zs� 24 inches, or 2.0 ft. to Redox or other limiting condition (need at least 12"to be a Type I) Treatment zone contains�0 inches of 0%soil credit, and �0 inches of 50%soil credit. Giving a: 2�> 12 inch, or 1.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! z�� 15.0 ft.Total ABSORPTION width (with sand beyond rockbed as fotlows:) zs> 0.0 ft. upslope and sideslope 5.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 29� 4:1 upslope ratio 9 ft. upslope berm 30� 4:1 sideslope 16 ft. sideslope berms 3i� 4:1 downslope 27 ft. downslope berm 32� Overall Dimensions: 10.0 ft. wide by 50.0 ft. long Rock bed 46 ft. wide by 82 ft. long Mound footprint 4" inspection pipe 18" cover on top U lo berm 0 pvwnslo e berm 27 12" cover on sides (6"loemy cap&6"topsoil) 1.0 ��ean sand lift _ 2,0 Depth to Limiting �imitingCondition —'a—`--�--��_— __�__ Absor tion Width � �5.0 � --�---�---� Note: �ur 0 to 1�slopes, sJ6sorpt�nn J�'dth is measured from the Bedequally in both directions. For slapes >1�, A6sasrpt/an WYdth is measured downhill from the upslope ed�e of the Beo: ss> Rock Bed: 10.0 ft. by 50.0 ft. by �inches under pipe, plus 20%gives 17 yd'or*1.4= 24 ton 3a) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 15.7 up + 82.3 downslope + 13.3 ends+ 27.8 under rock= 167 yd'or*1.4= 234 ton plus 20% ss� Loamy Cap: 42 ft. by 78 ft. 6"deep, plus 20�gives 73 yd'or*1.4= 102 ton 36) TOpS01�: 46 ft. by 82 ft. 6" deep, plus 20%gives 84 yd'or"1.4= 118 ton 1 hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 7/31/2015 Designer Signature Company License# Date