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G. MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope . (landslope greater than 1%) over 1 1. Downslope absorption width = absorption width (F) D �'D �P q� n :D o� ba�ggogo minus rock layer width (D2) ,C1ed�Sand�f 6"Topsoil n /� r �--,e. � ��i�. :� ��' / ��- �� t = � / 1 t ' eparetion_L�_ft - - Restricting Layer ��` Upslop dth(G2d) Rock W dth(D]) �w�slo Wideh(C2i) 2. Calculate mound size f�-f' __�, a� H UPSLOPE a. Depth of clean sand fill at upslope edge of rock layer = 3 ft minus the distance to restricting laye� (C ) p`bsorptionwidrth-$and(� 3 ft- ,►T � ft = J• � ft �� b. Mound height at the upslope edge of rock D-34: S OPE MULTIPLIER TABLE layer = depth of clean sand for separation (G2a) ��,a UPSLOPE DOWNSLOPE at upslope edge plus depth of rock layer (1 ft) �'°�e multipoiPe rao;osarious °'°'t5lope ratios arious plus depth of cover (1 ft) s:� 4:� s:� 6:� �:1 s:� 3:� 4:1 s:� 6:1 �:1 Ir� ft + lft + lft = 3• / ft 0 3.0 4.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 c. Upslope berm multiplier based on land slope 1 2•9 3.85 4.76 5.66 6.54 7.91 3.09 4.77 5.26 6.38 7.53 3'�J �SL'e figure D-34) 2 Z•8 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 d. Upslope width = berm multiplier (G2c) times 3 2'� 3.57 4.35 5.08 5.79 6.45 3.30 4.59 5.88 7.32 6.86 upslope mound height (G2b): 4 2.6 3.45 4.17 4.89 5.46 6.06 3.41 A.� 6.25 7.89 9.72 -----__ ___. _._._.________ 3�� X�y/ ft = ��J tt 5 2•6 3.33 A.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 � 1 DOWNSLOPE 6 2.5 3.23 3.85 9.91 9.93 5.41 3.66 5.26 7.14 9.38 12.07 7 2.4 3.12 3.70 9.23 9.70 5.13 3.80 5.56 7.69 10.34 13.73 e. Drop in elevation = rock layer width (D2) times g Z.g 3.03 3.57 9.05 4.49 4.88 3.95 5.88 8.33 17.54 15.91 percent landslope (C5) = 100 9 2.3 2.94 3.45 3.90 4.30 9.65 4.71 6.25 9.09 ]3.04 ]8.92 1(� lt X�% = 1�� _ _�it 70 2.31 2.86 3.33 3.75 4.12 4.44 4.29 6.67 ]0.00 75.00 23.33 f. Downslope mound height= depth of clean 11 2.26 2.78 3.23 3.61 3.95 4.26 9.48 7.19 ]l.11 ]7.65 30.4� sand for slope difference (G2e) at downslope �Z Z•21 Z•70 3.12 3.49 3.80 4.08 9.69 7.69 �12.SD 21.43 43.75 rock edge plus the mound height at the upslope edge of rock layer (G2b) � 3•7 ft + .�_ ft = '�,1 ft g. Downslope berm multiplier based on percent land slop �-I�7(� (see figure D-34) � L��- i � _ _.. h. Downslope width = downslope multiplier ` Upslope dth(G2d) (G2g) times downslope mound height (G2� �3I '��'' ft � X �. 1 it = �� it � Upslo e idth(G2d) Rock Bed / Upslope Width(G2d) r�. ��r�f width(D2) 1 !�_ft i. Select the greater of G1 and G2h as the ,3�- I-ength(D3)�� downslope width: ac� ft o Downslope Width(G2i) �a f� j. Total mound width is the sum of upslope Absorption W;dw«>_►2 width (G2d) width plus rock layer width _ a \-' _ _ .1 (D2) plus downslope width (G2i) To�a��engw«Zk>�___f� �_ ft + 1� ft + �� ft = y3 ft k. Total mound length is the sum of upslope width (G2d) plus rock layer length (D3) plus upslope width (G2d) 13 ft + '�� ft + !'� ft = Co� feet �,� ..} �� .1_ � ,� �� inal �imensions: � x ��'�� 1 hereby certify that I have C.ompleted this work in accordance with ap licable ordinances, rules and laws. �� C�;�m.� � L� �/ ` � '_�-'--�... (signature) �`"� (license#) �� -�,�-'(�'7 (date)