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G. MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope <br /> '(landslope greater than 1°/O� over�• <br /> L Downslope absorption width = absorption width (F) ° .° °pQ -0 �=p <br /> � 4� bA�b e o 6°' ' <br /> minus rock layer width (D2) ° � 6"To Soli <br /> ��,� ,�� , �CleanSandl+�k� i P <br /> ' .1 t ^ <br /> i <br /> �.�" ft' �v 1 t = � { �t paration �,5 ft ��� _._ <br /> ReaMcling Layer � <br /> Upslo WidN(C]d) Rock WIA1h(D2) ��Tslo Width(G2q � <br /> 2. Calculate mound size -�-" �� -�-H <br /> UPSLOPE <br /> a. Depth of clean sand fill at upslope edge of <br /> Abwrption Widflh-Sand(t� <br /> rock layer = 3 ft minus the distance to restricting layer (C1) �, <br /> 3ft- �- � ft = l , 5' 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) L�,a UPSLOPE DOWNSLOPE <br /> Slope multipliers for various multipliers for various <br /> at upslope edge plus depth of rock layer (1 ft) �n! slope ratios slope ntios <br /> plus depth of cover (1 ft) 3:� 9:i sa e:i �:i s:i s:i a:l s:l 6:1 �:i <br /> �� �� ft + lft + lft = �'� � ft 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 1 Z•91 3.85 9.76 5.66 6.54 7.41 3.09 9.17 5.26 6.38 7.53 <br /> p���"'< (see figure D-34) 2 Z•83 3.70 9.54 5.36 6.14 6.90 3.19 9.35 5.56 6.82 8.14 <br /> d. Upslope width - berm multiplier (G2c) times 3 2•�5 3.57 4.35 5.08 5.79 6.95 3.30 4.59 5.88 7.32 8.86 <br /> 4 .68 3.45 4.17 4.84 5.46 6.06 3.41 4.76 6.25 7.89 9.72 <br /> upslope mound height (G2b): <br /> : +� �✓r x -' - -� ft = 1 J f t 5 2.61 3.33 4.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 <br /> 6 2.54 (3.23� 3.85 9.41 4.93 5.41 3.66 ( 5.2b''y 7.19 9.38 12.07 <br /> DOWNSLOPE -- ' - <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 /> 2. Drop in elevation = rock layer width (D2) times g 2.42 3.03 3.57 4.05 4.99 4.88 3.95 5.88 833 11.54 15.91 <br /> percent landslope (C5) = 100 9 2.36 2.99 3.45 3.90 9.30 4.65 4.11 6.25 9.09 ]3.04 18.92 <br /> � U 1 t X�% = 1�� _ ��_i t 10 2.31 2.86 3.33 3.75 4.12 4.44 4.29 6.67 ]0.00 15.00 2333 <br /> l. Downslope mound height = depth of clean 11 2.26 2.78 3.23 3.61 3.95 4.26 9.48 7.14 11.11 ]7.65 30.4.' <br /> sand for slope difference (G2e) at downslope � Z•Zl 2•70 3.12 3.49 3.80 4.08 4.69 7.69 12.50 21.43 93.75 <br /> rock edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> ��� ft + � l�^ ft = !�'� ) ft �'y..��:..; b�!�,rri��_ 3�� �c l.E •:: `y. � <br /> g. Downslope berm multiplier based on percent land slop <br /> �', �? �:� (see figure D-34) <br /> h. Downslope width = downslope multiplier ` Upslop�e�Width(G fd) <br /> (G2g) times downslope mound height (G2� :��I <br /> �� (-���� X �� � 1 t = r�, f t � � \. \ Rock`�Bed ��r �� -- . •_... �_ <br /> i. Select the greater of Gl and G2h as the "ps�"'�Width(G2d) `�� W;d�,,�D2, �� Upsl e Width(G2d� <br /> � f� �� \Length(D3) (G(3 ft <br /> � �. <br /> downslope width: :1 ..� ft � '� ^ � <br /> � � Downslope Width(G2i)_ . �_fh, 3 <br /> j. Total mound width is the sum of upslope AbsorpHon Width(F) )r) � <br /> \ ��. �..-� ��, '�� <br /> width (G2d) width plus rock layer width , \ ., \ �. �, <br /> (D2) plus downslope width (G2i) Total Length(G2k) / � f, <br /> �_ ft+ ;;;� ft + � �> ft = �I v ft <br /> k. Total mound len th is the sum of u slo e width G2d ��"y,°`�� ��'�r��4 �, �'"' „ � �� -'T,, `'�` �''� <br /> g P P ( ) F:�,.�> �,,, �_� . �< *� ,:;,t � ,., ,„ .. , . <br /> plus rock layer length (D3) plus upslope width (G2d) <br /> �`-� ft + �� ft + I ` ft = _� feet <br /> Final Dimensions: <br /> :��� x � �. , <br /> I hereby certify that I have completed this work in accordance with applicable ordinances, rules and laws. <br /> 1 / <br /> ���- �f 1,�.� ', <br /> :�' L�"ti'"� �1''' ''. -`` � ` (signature) ��"'J�' (license#) ? '�-1 �J •-`i L.. (date <br /> ) <br />