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,���1�,��,a�J <br /> G. ' I�IOUND SLOPE WIDTH & LENGTH Landslope > 1°�o slope <br /> . (lands,lope greater than 1%) <br /> 1. Downslope absorption width = absorption width (F) `.'` ��er�• <br /> D o 0 O'P 0 <br /> . Q� bq[�]e 00'BD 1 <br /> minus rock layer width (D2) 6.•ToPso;, <br /> /� L ��.,�, � Clean Sand j=f[ <br /> �tD. ' 1 ft-�_ft = ► 7 lt eparallon�'���`*� ft.'.� � <br /> Resvicting Layer ���� <br /> Upslo-T�`_I �dth;G2d) Rockj4YlAlh�tD2) �"'�s��W�dlh(�Zi) <br /> 2. Calculate mound size _,�„ _ <br /> UPSLOPE <br /> a. Depth of clean sand fill at upslope edge of <br /> rock layer = 3 ft minus the distance to restricting layer (Cl) AbSOTtionWidith-$and(F� <br /> 3 ft- /� a ft - 1� �? ft `��'� �'�`� <br /> b. Mound height at the upslope edge of rock D-34: SLOPE MULTIPLIER TABLE <br /> layer = depth of clean sand for separation (G2a) Land urs�orE <br /> Slope multipliers for various DOWNSLOPE <br /> at upslope edge plus depth of rock layer �l ft� in% slope ratios �ultipliers forvariaus <br /> slope ratios <br /> plus depth of cover (1 ft) 3:� 4:1 s:l 6:� �:1 s:� 3:1 4:1 s:� 6:1 �:I <br /> 1J7 ft + lft + lft = 3. � ft � 3.0 4.0 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 1 Z•9� 3.85 4.76 5.66 6.54 7.41 3.09 9.17 5.26 6.38 7.53 <br /> 3���� (see figure D-34) 2 2•83 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 <br /> d. Upslope width = berm multiplier (G2c) times 3 Z•�5 3.57 9.35 5.08 5.79 6.95 3.30 9.59 5.88 7.32 8.86 <br /> _._ <br /> 9 2.68 3.45� 9.17 4.84 5.96 6.06 3.41 ' 496 ,� 6.25 7.89 992 <br /> upslope mound height (G2b): .._ . . � _ , � _ <br /> ���� � X ;'��� � ft =�°_ ft 5 2.6] 3.33 4.00 9.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 <br /> ::� <br /> DOWNSLOPE 6 2.54 3.23 3.85 4.41 4.93 5.41 3.66 5.26 7.19 9.38 12.07 <br /> 7 2.48 3.12 3.70 4.23 4.70 5.13 3.80 5.56 7.69 10.34 13.73 <br /> e. Drop in elevation = rock layer width (D2) times g 2,g2 3.03 3.57 4.05 4.99 4.88 3.95 5.88 8.33 11.54 15.91 <br /> percent landslope (C5) = 100 9 2.36 2.94 3.95 3.90 9.30 4.65 4.17 6.25 9.09 ]3.04 18.92 <br /> �1 t X ��� % - 1�Q = +� 1 t 10 2.31 2.86 3.33 3.75 4.12 4.44 4.29 6.67 70.D0 15.00 23.33 <br /> f. Downslope mound height= depth of clean 17 2.26 2.78 3.23 3.61 3.95 4.26 4.4 8 7.1 4 ]l.l] ]7.65 30.4.' <br /> sand for slope difference (G2e) at downslope � Z•Zl 2•70 3.12 3.99 3.80 4.08 4.69 7.69 12.50 21.43 43.75 <br /> rock edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> �• �) ft + , � ft = y . ) _ft <br /> g. Downslope berm multiplier based on percent land slop <br /> _ 4�� l� (see figure D-34) :�.�-� <br /> h. Downslope width = downslope multiplier = �' ��!" � <br /> i Upslope�VVid th(G2d) <br /> (G2g) times downslope mound height (G2� �-1:� f� <br /> �.�,f � x t , ft = �� ft _ <br /> � Ups!pS Width(G2d) Width(D2) � UP �ope Width(G2d) <br /> i. Select the greater of G1 and G2h as the � Le�g�cD3, ��' f� <br /> downslope width: ��� ft � <br /> H Downslope Width(G2i) �:� ft <br /> j. Total mound width is the sum of upslope AbsorpHon Width(F) ��' <br /> width (G2d) width plus rock layer width � ��' . � <br /> (D2) plus downslope width (G2i) <br /> � � �4 + �'} l� `r Total Length(G2k) �J ft <br /> � ft + �_ft = , ;, ft <br /> <. Total mound length is the sum of upslope width (G2d) <br /> �lus rock layer length (D3) plus upslope width (G2d) <br /> 1'� ft + ;,.:� ft + I '; ft = �-,r feet <br /> '�-i _� �•- , , _,� ��'�} ') 4, <br /> Final Dimensions: <br /> y 3� X c��.' �J*`r-' , ' <br /> [hereby certify that I have completed this work in accordance with applicable ordinances, rules and laws. <br /> , � , ���� <br /> ,� <br /> ���'�_�,-�._. ������ �s��,,_.._._.._ <br /> (signature) v�'� ��° (license#) `� - � �-1 --Q � (date) <br />