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�; C�<IWNSLOPE BEKM W I I >�I�l I ���,,,�, �„��, ,
<br /> 1 If latidslope is 1% or more, �
<br /> 5ubtract rock layer width tr<�ni .��1tic�r��ti��n wic�th .t�;',�;'v, ,,
<br /> t Rock 1' �a d� ` "
<br /> to obtain minimum downslope bern� t���� aeans�„d
<br /> a6,� h - �d h = _�� feet a�Urai s��� � roP��
<br /> 2. Calculate Minimum mound Sirc� ----- --
<br /> .�. Determu�e depth of clean sanc� fill <lt ��������F�w��+��, �,,,..ns,�,F,���,,;�,,
<br /> - - - -. ._
<br /> u � c� e ed e �f rock la er: - - --
<br /> -_
<br /> _ --
<br /> -----
<br /> � y Rcxk Width Abwrpnon bt'�dch
<br /> Sc�aratton 3' - oZ ft = � feet --- _--_ _
<br /> b. Add depth of clean sand for separation (?�)
<br /> at upslope edge, depth of rock layer (1 foc>t) to depth of cover
<br /> (1 foot) to find the mound height at the upslope edge of rock layer;
<br /> � ft + lft + lft = 3 feet
<br /> c_ Enter table with landslope and upslope berm up���w�a�n
<br /> ratio. Select berm multiplier of 3. a 3 �
<br /> d. Multiply berm multiplier by upslope mound Upslope Width ��oPe�OB�o;Rock Bed �o ooaD A�:c Upslope Width
<br /> —�`� D ti�a�Qa� Width �1e e e-d o.o 0 0. �
<br /> hei t to find u slo e berm width: �' a; `° °'Q' r.��n a�°��°➢b 8 --�—
<br /> 3,2�3 X 3 P P Q �°�°Q6'O P �—�—� a eo�a
<br /> L 0000a o aauau.,.,Qo�oaD r
<br /> - 10 feet .�
<br /> e. Multiply rock layer width by 3
<br /> landslope to determine dro in elevation; �° �,N„S�o wdw
<br /> ��x�°/ - 100=� feet ���tio w;acn�
<br /> o-
<br /> f. Add depth of dean sand for slope
<br /> difference (2e)at downslope edge, to T°��'�' �r
<br /> the mound height at the upslope edge
<br /> of rock layer (2b) to find the downslope height;
<br /> �_ft+_�ft=�feet
<br /> g. Enter table with landslo e and downslope berm ratio. Select
<br /> berm multiplier of s, �(,
<br /> h. Multiply berm multiplier by downslope mound height to get
<br /> downslope berm width:
<br /> S� 6 x 3.� -�feet
<br /> BERM SLOPE MULTIPLIF'.RS
<br /> i. Com pare the va lues o f s tep G.1
<br /> and Step G.2h_ I � iand DOWNSI,pPE UPSLOPE
<br /> Select the greater of the two values as the 10� b"�m`�'�'�for various Derm multipliers tor rarious
<br /> berm siope ntioa berm slope ntios
<br /> downslope berm width; � �1 feet
<br /> j. Total mound width is the sum of � � 4 � 5� :� �� i a i 5: � � i g i
<br /> upslope berm (G2d) 0 3.o a.o s.o b.o �0 3.o a o s.o b o zo a o
<br /> width plus rock layer width (D.2) ' '09 4 i7 5.26 6.38 �s3 z.9i �.ss a�6 s.� 6.5, �4i
<br /> plus downslo e berm width(G.2i); � ; 19 '� 3S S S6 6 82 8J4 2.g3 3J0 4S4 5 36 6 14 6 90
<br /> � 3 30 4 Sa 5_88 7 32 8 86 2J5 3 57 1 3 S 5 OS 5 79 6 4 S
<br /> �Q ft + � ft + �_ Et = 3� feet .� ;�� , ,6 6 zs �s9 9�, ,
<br /> k. Total mound length is the sum of upslope s � 5� s c� 6 6� s.s� io.» z� 3 3, a oo a 6 S i9 6�
<br /> berm width (G.2d) plus rock layer length (D.3) h �c,<, � , „ 9 3s ,2 0� z w z, ;RS 4„ ,v, S 4,
<br /> plus upsloPe berrn width (G.2d); � �so � s� �69 io_3a i3�3 z.as � i: 3�o a zi o�o s i�
<br /> �_ ft + .�_ ft + � �( ft = _�_�_ feet " �'�s 5xs s�� iisa is9i ?az 303 3s� aos aav axx
<br /> '� �� ii n2S 909 1704 1892 ?36 29a 3aS }9p � ;p at,ti
<br /> 111 � .'.`� n A7 Ib 00 I 5-00 23.33 ?.31 '86 3 33 i 7S � I Z �4a
<br /> Final Dimensions: " ��K � ia ii ii n6s �oa� z�a ��s �z� �t,i ivs a :r,
<br /> � v � 1= J bY )64 R.SO 21 43 4 iJS 221 2 7U i I2 1.49 3 80 4(�
<br /> /\
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