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Coverl'
<br /> G. MOUND SLOPE WIDTH & LEIVGTH �^asi�:-x �
<br /> � \ . . `.
<br /> ' (landslope 1% or more) ._ ,_ ;;.. „ , �operatio_:_
<br /> 1. Subtract rock layer width from absorption width `�k'' •��;
<br /> a�+�s,�a_
<br /> to obtain minimum downslope width aurt5o'' '' „�,-`.T°'�°" .
<br /> L:miaKi�re. I
<br /> ,Z ft- lD ft =S� feet I
<br /> upsbp�w,em Oownslope wdth
<br /> 2. Calculate minimum mound size -
<br /> Rock W�dth
<br /> a. Determine depth of clean sand fill at �
<br /> upslope edge of rock layer: a�P^�w�`h I
<br /> 1
<br /> Separation 3' - ft = � feet '
<br /> b. Add depth of clean sand for separation (2a)
<br /> at upslope edge, depth of rock layer(1 foot) to SLOPE MULTIPLIER TABLE
<br /> depth of cover (1 foot) to find the mound hei pht �"d UPSLOPE DOWNSLOPE
<br /> d S�o . mu11ip1iers for va�ous multi Iiers for various
<br /> at the upslope edge of rock layer; �^'� s���=��;os SP,P<<,,;os
<br /> Z-ft + lft + lft =.� feet ':' ':' �:1 6:� �:i e:� 3:� a:i s:� 6:> >:�
<br /> c. Enter table with landslope and u slope ratio. ° '-o •.o s.o c.o �.o a.o ,.o ,.o s.o 6.0 ,.o
<br /> Select berm multiplier of �• � 1 Z91 3-�5 L76 5.66 6S4 7.41 3.09 �.1� 5.26 638 7,53
<br /> d. Multiply berm multiplier by upslope mound 2 Z83 3.70 �S1 5.36 6.19 6.90 3.79 9.35 5.56 6.82 8.14
<br /> 3 i75 3S7 1.3i 5.08 5.�9 6.55 3.30 �.5q 5.88 732 6.86
<br /> height to find upslope width:
<br /> 4 268 3.45 9.17 4.84 S_46 6.06 �.4� q.�b 6 y �89 9 n
<br /> 4' x�_/3•3 feet S L61 3.33 �.00 4.62 5.19 5.�1 �.53 i.00 6.67 8.57 10.77
<br /> e. Multiply rock layer width b y 6 Z y{ ;.2 3 3,g5 4.41 4.93 5.97 3.66 5.26 7.14 9J8 12.07
<br /> landslope to determine drop in elevation; � Z.� ,.0 ,.,o ,.�, ,.,o 5.,, ,.� 5.56 7.69 �o.� 13.�3
<br /> -1=-X�%- IQQ= • S feet 8 1�? 3.03 357 d.05 4.49 4.88 3.95 5.88 8.33 ll.i4 I5.91
<br /> f. Add depth of clean sand for�slope difference 9 2.36 299 3.i5 3.90 4.30 9.65 9.11 6.25 9.09 13.M 18.92
<br /> (2e) at downslope rock edge, to the mound �o �1 Z� 3a3 3.�; ,.,Z ,.�, 429 6.67 �o.00 �S.00 �.��
<br /> height at the upslope edge of rock layer (2b) �l i26 z�s 3.� ;.6, ,.9s 4.26 4.48 ,.,, 11.11 „_65 �o._
<br /> to find the downslope mound height� 12 ul L70 3.12 3.49 3.80 4.08 �.69 7.69 12_50 21.{3 97.75
<br /> �' ft + •.� ft=�feet . s'�D
<br /> g. Enter table with landslope and downslope ratio. Select �.r,,o Z.ZS' = f�`-�"l b�$
<br /> downslope multiplier of.,�_�9-� �x �3`I Z94 Z_
<br /> 7r{�X3)C/.3•3 1 - �33•7S'
<br /> h. Multiply downslope multiplier by downslope mound height to?s��X�-X Zz•S. Z -
<br /> get downslope width: $e,ss BbSS c,�
<br /> -�x -s„Zr`.O= ZZ�-Seet �"_� Z7 = ��� G.L�.
<br /> i. Compare the values of step G.l 5• 2-- � . ,
<br /> and Step G.2h 2 Z•S � . . . �
<br /> Select the greater of the two values as the � �pi3p W'd�`
<br /> downslope width: �.�.-S feet �
<br /> _��.Qa:aiEp,_^ � .. .a._�.o. �.o..p ..o..
<br /> j. Total mound width is the sum of Upslo e Width 4.°e:,OD.:o� Rock Bed ?0;0004;:4 :;o. Upslope Width
<br /> - �3 �'?>1s.6:re:6:6�"0� WIC�t�I � 8:d.6:ti.d{o� �?: � !3, �
<br /> upslope (G.2d) width plus rock layer y 'D=:Q�=p�.oQ�'• 7o�ao;oo:. ..:
<br /> Len�th '. '� a
<br /> � 8do`-op!"'-a`. , „..,,...
<br /> width(D.2)plus do n pe v�' (G.2i)- 3 QO:4:>:O�b•.Qa:oo� a y. �.;a:o;;�;:o� :;
<br /> � ft + � ft ���� ft = � feet o Downslope Width Z Z�
<br /> k. Total mound length is the sum of upslope � Absorption Width.3Z�S
<br /> width (G.2d) plus rock layer length (D.3) �-`
<br /> plus upslope width (G2d); ;p,��/,
<br /> �ft +_� ft + ��3.,3 ft=y��feet �
<br /> Total Length��0��P
<br /> Final Dimensions:
<br /> X /oi,�
<br /> - -- --��_____ - -
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