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23�• 0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) <br /> (this must match the soil boring tog) desired mound ratio 2.7 <br /> za� �percent site stope {0-12%ran�e) �(%downslope site slope, if different than upslope) <br /> zs� 24 inches, or 2.00 ft. to Redox or other limiting condition (This must match the soil boring log) <br /> leads to a: <br /> 26} **• 12 inch, or 1.00 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> 2�� k*R Z7.0 ft.Total ABSORPTION width <br /> 2s) 0.0 ft. upstope and sideslope (sand beyond rockbed) <br /> t7.0 ft. Downstope (sand beyond rockbed) <br /> "** 3:1 slope ratio, gives BERM widths (topsoil beyond rockbed) of: <br /> 29) 7 ft. upslope berm <br /> 30� 12 ft. sideslope berms <br /> 3i> 20 ft. downslope berm <br /> 3z> Overall Dimensions: 10 ft. wide by 50.0 ft. long Rock bed <br /> 37 ft. wide by 74 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on �op <br /> Ups(ape f�erm 0 DownSto e berm 20 <br /> .�--- � 12" cover an sides <br /> `"�r � (6"loamy cap&6"topsoil) <br /> �J ��E'r�tl Sc�flf9 Ilft '�_� <br /> --r� 1.00 <br /> 2.00 `-, 4`'`—�-_ <br /> it(}'i ��_i �_i�l'�:i1I-i� <br /> i 1 ':7P? _�rr,� �� � - _ - --_ - -- <br /> i.,��..i - ---------- <br /> _ <br /> Absor tion Width 27.0 �——---- -----— — <br /> Note: <br /> F�r 0 ta 1� slopes, ,4bso,rptian Width is measured from the Bedequally in both directions. <br /> For slapes >1�, .4bsarpt�on lNidth is measured downhilt from ch� upslope ed�e af the B�r/. <br /> ss� *** Rock Bed: <br /> 10 ft. by 50.0 ft. by �inches under pipe, plus 20%gives 23 yd'or"1.4= 32 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 /> 8.7 up + 32.0 downslope + 9.3 ends+ 26.9 under rock= 92 yd'or'1.4= 129 ton <br /> plus 20% <br /> 3s� '�** Loamy Cap: <br /> 33 ft. by 70 ft. 6"deep, ptus 20%gives 52 yd'or"1.4= 73 ton <br /> 36) **s Topsoil: <br /> 37 ft. by 74 ft. 6"deep, p(us 20%gives 61 yd'or*1.4= 85 ton <br /> I hereby certify that I have compieted this work in accordance with all applicable ordinances, rules and laws. <br /> - f:� <br /> �-�' �' % <br /> _ ,- !f� e �__._ �--`�-���=�;�� �c`_� �,��c� �� �, a�-�_ <br /> / Designer Signature Company License# Date ✓ <br />