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�, . �'-r - . _ ` ����{r ,�., £ � ,,:4 h �K �,y.`-r�,�a�''.
<br /> . -j� . - k s rs 5 b.
<br /> 1 ..Q � . : � ��I�'/ '�. ��n � � .y{ } t � �x
<br /> ����� I !, ' ' �� i* , �.:.� . . . � �.� � �Y1 ���Z ���5 '�i" ��4 �-t+i^.��� , :� f
<br /> � � G• ND ST.OPE WIDT > r',,�y c � ,-� : , *� ��'� u�
<br /> H & LENGTH '���r �
<br /> � � a � �►�.�_,
<br /> . .� j andslope 1% or more) ��: , . � .:x�:�� ��i�,��, � :x �1�, ; � �°
<br /> .�. ��Y'� � _ --, ,_>
<br /> 1. Sub act rock layer width from absorption width � "�anSaid ' �Y�' ��'�ifi!'� �,;v.;,° 6 7„�,,
<br /> to oBtain minimum downslope'�vidth �°''�` ` .��,�, �+ `�° .�' = ( �
<br /> ,�tt- IC) ft=�feet u��wam ww��wwm �,�
<br /> 2. Calculate minimum mound size t� � �;��
<br /> a. Detrrmine depth of clean sand fill at . ' ��
<br /> Absorption WW�h
<br /> upslopz edbe of rock layer: L7� 1
<br /> Seyaration 3 -�_ft- Z. feet
<br /> b. Add depth of clean sand for separation (2a) � s�oPE r1uLnPwER Twa�c
<br /> at upslope edge, depth of rock layer(1 foot) to
<br /> depth of cover (1 foot) to find the mound hei ht �'aid UPSLOPE pOWN5LOPE
<br /> g Slope, multipliers for vuiouc multiPlinn fur variuus
<br /> a t the upslope edge of ock layer; ��� siope ntios slupr r.�lios
<br /> �- ft + 1ft+ lft - � feet '�' �:' � 5: 6:, ':' �:, ':' �:� S:, ��� �:,
<br /> 0 3.0 4.0 5.0 ti.0 7.0 tl.0 3.0 4.0 S.0 6.0 7.0
<br /> c. Enter table with landslope and u slope ratio.
<br /> 1 291 3.li5 476 5.66 6.Si 7A1 3.MJ 4.17 5.26 6.3tl 7,53
<br /> � Select berm multiplier of_ 3,
<br /> 2 283 3.70 4.54 5.36 6.1�1 6.9U 3.19 4.35 S.Sti b.b2 N.1�
<br /> d. Multiply berm multiplier by upslope mound , �,S 3. , ,,,5 S.oB s.�y 6.�5 3.3U 4.0 5. ,.,z �
<br /> height to find upslope width: 4 y,ey 3.45 4.17 4.84 5.46 6.06 3.41 4.76 6.25 7.b9 y.72
<br /> �X�•� _ �� feet S Z61 3.33 400 4.62 5.19 5.71 3S3 S.W 6.67 8.57 10.77
<br /> e. Multiply rock layer width by e z.sa �.zs aas a.4i 4.Y3 s..�i 3.ee s.zo �.�a 9.su iz.o�
<br /> land�lope to determine drop in elevation; � z..� ,.0 �.,o ,.,, ..,,, 5.,, ,.�0 5.56 ,.69 �0.3., 13.73
<br /> 0
<br /> �X /�= 100 =0_ /�feet 8 242 3.03 3.57 4.05 i.49 {,bM 3.95 S.Oa 8.33 ll.Si �5.91
<br /> f. Add depth of clean sand for•slope difference 9 � Z� 3.as 3.�0 4.30 4.65 a.0 6.25 9.UY ,3.W ,n.yz
<br /> (2e) at downslope rock edge, to the mound �o �l 2� 3.33 s.�s a.�Z �.�, �.z9 b:b, ,�.�� ,S.W �.-
<br /> height at the upslope edge of rock layer (2b) 11 Zzb �.�8 3.� s.e� 3.95 a.zb a.a8 �.�� 1,.�, ,,.bs �.
<br /> to find the downslope mound height; 12 ui z.�u �.iz 3.i9 3.�u a.ws i.69 �.�y �.w si.�3 .�s.�s
<br /> _�ft +G"�G ft=�•5� feet
<br /> g. Enter table with landslope ar�d downslope ratio. Select
<br /> downslope multiplier of �o •3
<br /> h. Multiply downslope multiplier by downslope mound height to
<br /> get dow�nslope wi_dt�h�•
<br /> `+�-5� x ..j =�.feet G g
<br /> i. Campare the values of step G.1�
<br /> and Step G.2h z� � upsio�E w�a�n _
<br /> Selzct the greater of the two values as the �`� �
<br /> downslope width: 'Z-g feet :
<br /> Total mound width is the sum of t� U slo ewdth �¢a��oa�' Rock E3ed � �0�0 D „y.
<br /> )' ,n P P Qi /�, 4 Uyslopr Width
<br /> o.o�o o.r.a�' Wld[h _� �¢o o.a c c .o
<br /> .c °D000'oo�'co o�, o sr0000.o. �u.
<br /> upslope (G.2d) width plus rock layer .� Qa04°OAooQo_;oo o�;�oU�L•A°`�o,Qo u U
<br /> width (D.2) plus downs ope width(G.2i); 3 �g�
<br /> �ti ft +�,(�ft+ Z-� ft= S.a- feet a �w�iopz w;a c t��� ��`
<br /> E" Absorption Width�
<br /> k. Total mound length is the sum of upslope
<br /> width (G.2d) plus rock layer length (D.3) �$ ' 1 S�r
<br /> plus up�lope width (G.2d); �-" -"'"" `
<br /> �`� 't+ `f� f + /5� ft= feet�P Total Length
<br /> � ,f �-�T t �- � _ Bo�.�
<br /> ^,. , '7�
<br /> �iria� �imensions: ,� __
<br /> ? • 1
<br /> X `v o2 �
<br /> � ��� �
<br /> G"
<br /> - - ��'� ��,� ._�,�, ��.:� .��,�� r=- .. . .
<br /> , , . _,. . . .. :: .�.. .
<br /> . . .. . ,
<br /> , . : . } ..�Y..:.�...:;
<br /> ..
<br /> � . �:.�_ .
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