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r <br /> G. MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope <br /> � (landslope greater than 1%) •a o�er1 <br /> 1. Downslope absorption width = absorption width (F) o� ao�e ooeo;° <br /> minus rock layer width (D2) ;i ° ° 6"Topsoil <br /> �y,� n�. i �Clean Sand��t <br /> n f l� f � � f t � _ <br /> �� " / lt- � lt - eParation P�J ft ,�� � <br /> Resvicting Layer <br /> Upslop Wd1h(C2d) Rock YY dth(D2) �wnslqpe Widlh(C2i) <br /> f�. R ��___ft �. ! fl <br /> 2. Calculate mound size - <br /> UPSLOPE <br /> a. Depth of clean sand fill at upslope edge of Absorptionwid'eh-Sand(F� <br /> rock layer = 3 ft minus the distance to restricting layer (C1) �a <br /> 3ft - .�ft = 1- ft <br /> b. Mound height at the upslope edge of rock D-34: SLOPE MULTTPLIER TABLE <br /> layer = depth of clean sand for separation (G2a� Land UPSLOPE DOWNSLOPE <br /> Slo e multipliersforvarious multi liers(orvarious <br /> at upslope edge plus depth of rock layer (1 ft) ��� S�oPe ra►�os SPope ratios <br /> plus depth of cover (1 ft) s:i 9:i s:� 6:i �:i e:l 3:1 4:1 s:l 6:1 �:1 <br /> � � ft + lft + lft = 3a� ft 0 3.0 4.0 5.0 6.0 7.0 B.0 3.0 4.0 5.0 6.0 7.0 <br /> c. Upslope berm multiplier based on land slope 1 2.91 3.85 4.76 5.66 6.54 7.41 3.09 4.17 5.26 b.38 7.53 <br /> �J+�"'� (see figure D-34) 2 Z•83 3.70 9.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.19 <br /> d. Upslope width - berm multiplier (G2c) times 3 Z•�5 3.57 4.35 5.08 5.79 6.45 3.30 4.59 5.88 7.32 8.86 <br /> upslope mound height (G2b): g 2•68 3.45 9.17 9.84 5.46 6.06 3.41 4.76 6.25 7.89 9,72 <br /> - 5 2.61 (,3.33� 4.00 9.62 5.19 5.71 3.53 c._5.00 ) 6.67 8.57 10.77 <br /> _, m a, x �' �t ft = I � ft _ _ _ <br /> 6 2.59 3.23 3.85 4.41 4.93 5.91 3.66 5.26 7.14 9.38 1Z.07 <br /> DOWNSLOPE 7 2.g8 3.12 3.70 9.23 9.70 5.73 3.80 5.56 7.69 ]D.34 13.73 <br /> e. Drop in elevation = rock layer width (D2) times g 2.92 3.03 3.57 4.05 4.49 4.88 3.95 5.88 8.33 1159 15.91 <br /> percent landslope (C5) = 100 9 2.36 2.94 3.45 3.90 9.30 4.65 9.11 6.25 9.09 13.04 ]8.92 <br /> �� lt X � % = 1�� _ '-,� lt 10 2.31 2.86 3.33 3.75 9.12 4.44 4.29 6.67 ]0.00 I5.00 23.33 <br /> f. Downslope mound height = depth of clean 11 2.26 2.78 3.23 3.61 3.95 4.26 4.98 7.14 11.11 17.65 30.4.' <br /> sand for slope difference (G2e) at downslope � z.zl z.�o s.�z 3.49 s.eo 4.os 4.69 7.69 �Z.so z�.43 9s.,5 <br /> rock edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> . `? ft + � a ft = �},�--- ft <br /> g. Downslope berm multiplier Uased on percent land slop <br /> •_'��v (see figure D-34) �' `�{� ' � - <br /> h. Downslope width = downslope multiplier � � ���� <br /> � UpsJope W?dth(G fd) <br /> (G2g) times downslope mound height (G2� ��?, <br /> �� 1 <br /> �� `�� X �` •�.P �� _ �� I �� m U slo e Width(G2d) Rock Bed � Up�lope Width(G2d) <br /> � p,��ft Width(D2) IQ I �,L _ft <br /> i. Select the greater of Gl and G2h as the � Length(D3) �� <br /> downslope width: :� I ft � � Downslope WidBi(G2i)�f, �.; <br /> j. Total mound width is the sum of upslope �' /�bsorption Width(F) � <br /> I �� <br /> width (G2d) width plus rock layer width � %J <br /> (D2) plus downslope width (G2i) " Total Length(G2k)�f� - �� <br /> 1 "�j. ft + ��� ft + �. I ft = �t'`� ft <br /> k. Total mound length is the sum of upslope width (G2d) <br /> plus rock layer length (D3) plus upslope width (G2d) <br /> I �?. ft + ,���! ft + ���, ft = P�feet <br /> a. 1 .� r'`'� ,� �:�. � 'c1�� <br /> Final Dimensions: <br /> � ;� x � � � <br /> I hereby certify that I have completed this work in accordance with applicable ordinances, rules and laws. <br /> �=f--- ,:-� � � , <br /> o-'i c�.._.�� ,� '°� �i�-. r. --�--, (signature) j�' (license#) f�7 -�•�' '"�`7 (date <br /> ) <br />