|
� ' Landslope> 19'o slope
<br /> G.� .MOUND SLOPE WIDTH&LENGTH . • �
<br /> (laztdslope greater than 1%)
<br /> 1. Downslope absorption•width= absorption width(F�
<br /> 6"Topwll
<br /> minus rock layer width (D2) � � ,
<br /> ��ft- /o ft=�L2_ft ,,,,, -•-•-
<br /> . . ��w� 11�sM �/1i D3) ��K'�q
<br /> 2. Calculate mound size
<br /> UPSLOPE . . . • '
<br /> a. Depth of clean sand fill at upslope edge of � ' „�..,�„�,,,,,,�,.,,,,,�,
<br /> rock layer= 3 ft minus the distance to restricting layer(C1) aa�`
<br /> 3ft-��ft= � . z ft
<br /> b. Mound height at the upslope edge of rock �4' Si'O�M�'T�T'°'s�
<br /> layer = depth of clean sand for se�paration(G2a) �a ura�.org �ow�vsLorE
<br />�t upslope edge plus dep#h of rock layer(1 ft) �� m'�"p�:tl�°°` �`°'d�""'a�:'�`°�`
<br />�lus depth of cover(1 ft) � . � , ° ''
<br />� ,z ft+ 1ft+ 1ft= 3-Z ft o �.o �A a.o �.o �a e.o �.o �.o s.o 6.0 �.o
<br />:. Upslope berm multiplier based on land slope ' �n '�°s '�'� � �' '� � �� � ba8 �.53
<br /> 3-S7 (see figure D�34) � : s.es a�o u� s� `a� �.�o s.is �.as s.se e.s� s.ia
<br /> i. Upslope width= berm multiplier(G2c)times s Z7� � � �'0° �''� � �0 � �� '�z s.s�
<br />�pslope mound height(G2b): � �° �s �' `°� � � � �� � �.s9 s.�z
<br /> a s.� s.ss *.00 �x s.� a.rt sas a.00 �� e.s� io.r�
<br /> 3,5'f X •Z -�� i Z.6� 3.73 5.86 1.�1 �.93 d.�3 9.66 S.Z6 7.14 . 9.38 22.07
<br />�OWNSLOPE � , �.+a � �.�o �s �ao aa� s.eo s.s� �.e9 io.sa is.�s
<br />�. Drop in elevation= rock layer width(�2)•times ` s.�z s.o3• ,a.s, ..oa ..�9 {,t3 A9b s.ee ass ��.� 15.91
<br />�ercent landslope (C5) +100 ' . � sas s.� s.�a s.so ~.ao a.ba �.0 6.ss 9.0� iaoa is.9s
<br />�ft x_�%+100= ', 3 ft io zn zes s.0 a.� �ax �.0 4s9 �� io.00 is.00 ss.ss
<br />. Downslope mound height= depth of clean u x.� �.�e .� s.� s.� s�s. � �.�e �.�� u.�� ��.6s so.43
<br /> and for slope difference (G2e) at downslope u � �� � M9 a.w �.oe *.� �.�9 �.so zl.a� 43.�s
<br /> ock edge plus the mound height at the .,.
<br />�pslope edge of rock layer (G2b) '
<br /> 3.Z ft+ -3 ft= 3•-S ft � ,
<br /> . Downslope berm multiplier based on percent land slop � �
<br /> �
<br /> y•�4 (see figure D-34) . ", � . �
<br /> . Downslope width= downslope multiplier ' v���,cc�> � .
<br /> 12g) times downslope mound height(G2� y�� � - � �
<br /> 4, x 3.S ft=�SP_____�t �s�ao' v.,��wwmccr�a� �� . u��p�.Wldth(G2d)
<br /> Select the greater of Gl and G2h as the � � ft
<br /> ownslope width: ao' ft . � i ,,��a�c�`� " .
<br /> Total�ound width is the sum of u psl o pe I• , . �� ,
<br />►idth (G2d) width plus rock layer width _ z ' - I .
<br />�2) plus downslope width (Gti) ,,,ti,,,v,�,,��,�_�
<br /> �t ft+ /d ft+ � ft= �L_ft
<br />, Total mound length is the sum of upslope width(G2d) �
<br /> lus rock layer length (D3) plus upslope width (G2d)
<br />�ft+ yLft+ �1 . ft= �_feet
<br /> zo . � y� '' � �� � Final Dimensions:
<br /> .. • '-�1 X 7 z' A�� '
<br /> here cer ' that ha campleted this work in accordance.with applicable ordinances, rules and laws.
<br /> �
<br /> - (signature) 3�_�„ picenae� . �' �"C�3 (date)
<br />
|