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i <br /> G. ' 1�IOIJND SLOPE WIDTH &LENGTH � Landslope> 1% slope <br /> � (landslope greater than 1%) ,,,�,, <br /> 1. Downslope absorption width= absorption width (F) I � <br /> minus rock la er width �72 �,� ."r�'� `' x.-v""--"^(��'� ; -x: 6"7°�u <br /> Y � � -_..._,_I_ _. :�:��i����::��• .�,s.na i�Yn ;�.��c: .�:'iy,�� <br /> ..�..,ri:ri'r, _::?�:::. 1N'Cy.,�Si{;' _'°.,vF'` '�S)'� lu:.'�. <br /> a� �� ft- 1 p ft= /v;4 ft -z '``� ���'�'`'� �_ <br /> antlon k <br /> Re�trktln6!-aYar � <br /> V�R�d� Rock dlh(D2) �R�(a0 <br /> 2. Calculate mound size �� <br /> UPSLOPE �0 5� <br /> a. Depth of clean sand fill at upslope edge of `' <br /> AMorptfon NRAtl�-Sand(F� <br /> rock layer=3 ft minus the distance to restricting layer ( 1) �-yr- <br /> 3ft- a ,-�- ft= 1pO ft ���� <br /> b. Mound height at the upslope edge of rock D"34: LOPE MULTIPLIER TABLE <br /> layer= depth of clean sand for separation(G2a) �a � UPSLOPE �wrrsLo,� <br /> Slo muitipllers for various mnlli liera for vuioas <br /> at upslope edge plus depth of rock layer (1 ft) �►� s�o���e� SPoa nu�. <br /> plus depth of cover (1 ft) �4i 41 :l e:� �:i a� 3:i �:i :1 b:i zl <br /> t,c� ft+ 1ft+ lft= 3,c�, ft 0 30 d.0 5.0 6.0 7.0 8.0 3.D 4.0 5.0 6.0 7.0 <br /> C. Upslope berm multiplier based on land slt��e 1 Z 3.85 �.76 5.66 b.5! 7.�1 3.09 427 5.26 6.98 7.53 <br /> �----=----� (see figure D-34) Z 3.70 4.54 5.36 6.14 6.90 3.19 4.35 556 6.82 8.]4 <br /> d. Upslope width = berm multiplier (G2c) times 3 � 3S' 4.�s s.oe s.� 6.ss �° ,s° s.e� ,.�z �.� <br /> upslope mound height(G2b): 4 � 3.45 9.17 �.84 S.J6 6.�r 3.41 4.76 6.25 7.89 9.72 <br /> 5 261 3.33 l.00 4.62 5.19 5.71 3S3 5.00 6.67 8.57 10.77 <br /> �x -- ft =�ft - <br /> 6 Z 3.73 3_65 4A� 4.93 SA1 3.bd 5.26 7.14 9.38 1207 <br /> DOWNSLOPE y 2 3.12 3.70 4.23 ' 4.70 5.13 3.80 SS6 7.69 ]034 13.73 <br /> e. Drop in elevation = rock layer width (D2) times e x. 3.03 ss, 4.os 9.49 9.ee 3.95 s.ee s.� us. u.9� <br /> percent landslope(C5) = 100 �nL�Y��� 9 2.94 s.9s s.90 a.3o a.6s 4ai � y.o9 i3.oa �a.n <br /> ft x�%= 100= ft L.�tJ�"•�'-11' lo z.s�i x.a6 s.� s.�s �.iz a.aa �a9 �.6� �o.� �s.00 z3.�s <br /> f. Dowr►slop�mourid h�ight= depth of clean il 2.�6 2.78 3.23 3.61 3.95 l.26 9.48 7.19 Il.11 17.65 30.4.? <br /> sand for slope difference (G2e) at downslope � �1 270 3.12 3.49 3_80 4.08 4.69 7.69 1250 21.43 43.75 <br /> rock edge plus the mound height at the ; <br /> upslope edge of rock layer (G2b) �'fA i � <br /> '��� ft+ ,�--- ft= '• c� ft 5� dag.°l ��0 3.D �t I...ta ��� <br /> g. Downslope berm multiplier based on percent land slop ���� w <br /> �� � (see figure D-34) � _ _ <br /> � _ � <br /> h. Downslope width = dov►mslope multiplier i� �� u��o�W,dwc�fd, �s 1s <br />(G2g) times downslope mound height(G2� �p I I , <br /> :�•v x `� ft= 1� ft '�' � u i 'w,awcc�a� w;�,rn� _�u, - -- u�,�wia�,ccsa,. <br /> i. Select t�e greater of Gl and G2h as the, 3 � " � �g�c�� so' h N3< <br /> downslope width: � � ft �=�' ) �� � j � no,y,,,��wae,ccz���e i <br /> j. Total mound width is the sum of upslope � � �S Absorpti��dth(F) �� ��' <br /> �._. � <br /> width (G2d)width plus rock layer width , � _ _ _ � <br /> ��a� <br />(D2)plus downslope width (G2i) 1s�-r��-��= ��'� , - � ? .� ' <br /> i Tota!Lengeh(G2kj�''J ft <br /> 1 S ft+ �� ft+ �� ft= �) � ft W��•� <br /> k. Total mound length is the sum of upslope width (G2d) <br /> plus rock layer length (D3) plus upslope width (G2d) <br /> 1S � ft+ ';�,� ft+ /-� ft= �SD feet <br /> '�� �°� 'T ��� Final Dimensions: <br /> �a.� ,��� x 4� a' �-� � <br /> I <br /> t hereby cgrtify that I h�e�mp�ed this work in accordance with ipplicable ordinances, rules and laws. <br /> % �� _�; �` � <br /> �� . �:�' `----�-- (signature) 3`� y i (license#) `tS - 1�-(a� (date) <br /> � <br />