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G. MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope <br /> (landslope greater than 1%) , µ o e , <br /> 1. Downslope absorpdon width = absorption v��idth (F) , om oo�,e;oGeo° <br /> minus rock layer width (D2) _ 6 ToPso� <br /> �_,� ��Clean Sand��ft <br /> ��• � �` � `v �` - f`/ 1l eparation�_ft �,�� <br /> Resiricting Layer <br /> Upslopewidlh(G2d) Rock W dth(D2) ��'nsJ�pewidN(C2i) <br /> 2. Calculate mound size '" " - --�� � �� E� <br /> UPSLOPE <br /> a. Depth of clean sand fill at upslope edge of qbsorptlon W1dlh-Sand(F� <br /> rock layer = 3 ft minus the distance to restricting ]ayer (C1) �i " <br /> 3 ft - /, � ft = /.`;�� ft <br /> b. Mound height at the upslope edge of rock D-34: SLOPE MUL7'IPLIER TABLE <br /> layer = depth of clean sand for separation (G2a) L�,a vrs�onF DOWNSLOPE <br /> Slo e multipliers for various mulliP liers for various <br /> at upslope edge plus depth of rock layer (1 ft) ��� slope ratios slope ralios <br /> plus depth of cover (1 ft) s:� 4:� s:� b:� �:i a:� s:� a:i s:� b:i �:i <br /> �,"� ft + lft + lft = ?�. � ft 0 3.0 9.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 <br /> c Upslope berm multiplier based on land slope ' z.9� 3.as a.�b 5.66 b.s� �.9� 3.09 9.�� s.zb 6.38 zs3 <br /> 3'�� (see figure D-34) Z 2•g3 3.70 4.54 5.36 6.74 6.90 3.79 4.35 5.56 6.82 814 <br /> d. Upslope width - berm multiplier (G2c) times 3 2'�5 3.57 9.35 5.08 5.79 6.95 3.30 9.54 5.88 7.32 8.86 <br /> 4 2.68 3.95 4.17 4.89 5.46 6.06 3.91 9.76 6.25 7.89 9.72 <br /> upslope mound height (G2b): <br /> tt = �O tt 5 2.61 3.33 9.00 9.62 5.79 5.71 3.53 5.00 6.67 8.57 10.97 <br /> 3. � a. x "3- ' � � <br /> 6 2.54 3.23 3.85 4.4] 9.93 5.41 3.66 5.26 7.14 9.38 12.07 <br /> DOWNSLOPE .-- ,__ <br /> 7 2.48 �.12' 390 9.23 4.70 5.13 3.80 ! 5.56� 7.69 ]0.34 ]3.73 <br /> . ---- __ <br /> e. Drop in e evatiop = rock layer width (D2) times g 2.42 3.03 3.57 4.05 4.99 4.88 3.95 5.88 8.33 11.54 15.9) <br /> percent landslope (C5) = 100 9 2.36 2.99 3.95 3.90 4.30 4.65 4.1] 6.25 9.09 ]3.04 ]8.92 <br /> �� f t X � % = 1�� _ ��1 t ]0 2.31 2.86 3.33 3.75 9.]2 4.49 9.29 6.67 ]0.00 15.00 2333 <br /> f. Downslope mound height = depth of clean 17 2.26 2.78 3.23 3.6] 3.95 4.26 9.48 7.]4 11.71 ]7.65 30.9' <br /> sand for slope diHerence (G2e) at dow�lslope 12 2.21 2.70 3.12 3.49 3.80 4.08 4.69 7.69 12.SD 2l 93 43.75 <br /> rock edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> 3.'�, ft + , ') ft= �i-v ft <br /> g. Downslope berm multiplier based on percent land slop , <br /> S��?� (see figure D-34) " `�" f <br /> . ��� _ <br /> h. Downslope width = downslope multiplier � U�,s,oP��idth(G2d) <br /> (G2g) times do�vnslope mound height (G2� y;; " <br /> '.:.i�:' X �1� �� {t = ���� f t � uPSk,�pe w�au,�csa> Rotk Bed i uPs�o�e�vidth(G2d) <br /> � ft WidUi(D2) �� r /V ft <br /> i. Select the greater of Gl and G2h as the ,��- LengU�(D3) ,o' <br /> downslope width: ����, ft � :\ � Downslope W;du,«2;,�_f, � <br /> j. Total mound width is the sum of upslope \ '>'� Absorption W;dU,cr>_�2 <br /> �� <br /> width (G2d) width plus rock layer width �!��� /_J <br /> (D2) plus downslope width (G2i) \^ Total Length(G2k) {; ��' �, - - <br /> 1�� ft + �� ft + �,��. ft = �-1 � ft <br /> k. Total mound length is the sum of upslope width (�2d) <br /> plus rock layer length (D3) plus upslope width (G2d) <br /> I� ft + ' f� ft + i� ft = �v feet <br /> � �, � .,> ;> q y <br /> Final Dimensions: <br /> , <br /> �>_ x � a �'�,���-. <br /> 1 hereby certify that I have completed this work in accordance with applicable ordinances, rules and laws. <br /> G � � // <br /> ��----- -� (� %.-• � _ • <br /> � - (signature) 3p1 ``-) (license #) 1 ' 1"% '„� (date) <br />