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G. , � MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope <br /> (landslope greater than 1%) \P,,.� <br /> o�e.r <br /> 1. Downslope absorption width = absorption width (F) `� ' d� 6A�,�o;eo �`�=f A,., <br /> miilus rock layer width (D2) ' l �� 6"Topso❑ <br /> lt � [y. .^ [ -��,� � ` ��Clean Sand��J R r ;' � i <br /> 0�1,�'� � ll - � V lt - ' � 1� eparation � ft.�:. . . . �.� ' .. <br /> Reslricling Layer � <br /> UPS___�j_fiG2d) gock W d[h(D2) �wnslo Width(G2i) <br /> 2. Calculate mound size ___t�'_ _�� __��h <br /> UPSLOPE "''``'" <br /> a. Depth of clean sand fill at upslope edge of <br /> Abwrption Wid'th-$and(F� <br /> rock layer = 3 ft minus the distance to restricting layer (C1) � <br /> 3 ft- � , � ft = ft 'iM�� �� ,� � �a..,�-.'; ?,� <br /> b. Mound height at the upslope edge of rock D-34: SLOPE MULTIPLIER TABLE <br /> layer = depth of clean sand for separation (G2a) ��,a urs�ore DOWNSLOPE <br /> Slope multipliers for various mulliPliers for various <br /> at upslope edge plus depth of rock layer (1 ft) �n% slope ratios slope ratios <br /> plus depth of cover (1 ft) 3:� 4:� s:i 6:i �:� s:� 3:i 4:� s:i 6:i �:1 <br /> �. � ft + lft + lft = u�,,,� it 0 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 � 2•91 3.85 4.76 5.66 6.59 7.91 3.09 4.77 5.26 6.38 7.53 <br /> ,? p (see figure D-34) Z 2•83 3.70 4.54 5.36 6.74 6.90 3.19 4.35 5.56 6.82 8.74 <br /> ,`�.> <br /> d. Upslope width - berm multiplier (G2c) times 3 2.75 3.57 9.35 5.08 5.79 6.45 3.30 4.59 5.88 7.32 8.86 <br /> 9 2.68 3.45 9.17 9.84 5.46 6.06 3.41 4.76 6.25 7.89 9.72 <br /> upslope mound height (G2b): <br /> T tt = '� tt 5 2.6] �3 9.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 <br /> J, �r ' X 7'�J 1 1 6 2.59 �3.'23� 3.85 9.41 9.93 5.41 3.66 5.26 7.]4 9.38 12.07 <br /> DOWNSLOPE 7 '� 2.48 TM 312 3.70 9.23 9.70 5.13 3.80 5.56 7.69 ]0.34 13.73 <br /> e. Drop in elevation = rock layer width (D2) times e z.92 3.03 s.s� a.os 4.99 4.88 3.95 5.ea 8.33 ».sa �s.9� <br /> percent landslope (C5) = 100 9 2.36 2.99 3.45 3.90 4.30 4.65 9.11 6.25 9.09 ]3.04 18.92 <br /> ��.� lt X�'_% = 100 = ,�ft ]0 2.31 2.86 3.33 3.75 912 4.44 4.29 6.67 ]0.00 15.00 23.33 <br /> f. Downslope mound height = depth of clean 11 2.26 2.78 3.23 3.61 3.95 9.26 9.48 719 ]l.l] 77.65 30.4' <br /> sand for slope difference (G2e) at downslope 12 2.21 2.70 3.12 3.49 3.80 9.08 4.69 7.69 12.50 27.43 93.75 <br /> rocic edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> "�� .� ft + . t� ft = �i.! ft <br /> g. Downslope berm multiplier based on percent land slop <br /> �1, )L!� (see figure D-34) -� �"� , "' �� �' -- - <br /> , � �i' - <br /> h. Downslope width = downslope multiplier ` Upslope Widtt.(G fd) <br /> (G2g) times downslope mound height (G2� SoI ,,�,,� � �.� <br /> �i. � x t-1 ,�ft = �,� ft � Rock Bed - <br /> $ Upslope Width(G2d) Width(D2) �O ' Upslope Width(G2d)� <br /> i. Select the greater of G1 and G2h as the � ` Le„gth(D3) 4, <br /> downslope width: �.^� ft F ,a,� Downslope Wid[h(G2i) ��r (t �� � <br /> AbsorpHon Width(F) �=J��� <br /> j. Total mound width is the sum of upslope <br /> width (G2d) width plus rock layer width �_ ��� >`=� �-' � <br /> _. _. <br /> (D2) plus downslope width (G2i) � -� _ Total LengO�(G2k) ��� f� _ - ` <br /> � 1 � ft + 1 � ft + �� ft = ,��> 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 + 11 ft = l.�� feet <br /> ' ��� � � �'' � ry� � Final Dimensions: <br /> , <br /> ��a x ��-r i ,���_, , <br /> I her� certify that I have comp]eted this work in accordance with applicable ordinances, rules and laws. <br /> t� � <br /> �',,.. _ _ ������ �. ' �� 4 <br /> �� (signature) �� �' � (license#) �' ^ (,�-Ca � (date) <br />