|
Cover 1'
<br /> G. MOUND SLOPE WIDTH & LENGTH �--x �
<br /> Landsb
<br /> � (landslope 1% or more) � -. : ' ._ ::_. .. �'°���°�_ _
<br /> crt«kr ��o: .
<br /> 1. Subtract rock layer width from absorption width � CenSand- �
<br /> to obtain minimum downslope width "������ << - 6:Topsoi� .
<br /> �'z ft-� ft = S• Z- feet ���� �
<br /> Upsbpt Wid�h Obwnslope�dlh
<br /> 2. Calculate minimum mound size �k�a� -
<br /> a. Determine depth of clean sand fill at �
<br /> upslope edge of rock layer: aM°�P°°^w,d�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 height `'"d UPSLOPE OOWNSLOPE
<br /> Slo , muNipliers for various mulii liecz for various
<br /> at the upslope edge of rock layer; �^'� S��a��;�5 SP,p«,,;os
<br /> z ft + lft + lft =� feet j�' +:1 �:1 6�> >:� a:> >:, ,:, s, 6:, ,:,
<br /> c. Enter table with landslope and upslope ratio. ° '.o ,.o s.o 6.0 �.a 8.0 3.0 �.o s.o 6.0 ,.o
<br /> Select berm multiplier of ��OLij 1 L91 3.AS �.76 5.66 6S4 7.11 3.09 f.17 5.26 6,3g 7,5;
<br /> d. Multiply berm multiplier by upslope mound Z � '.'o '.�' S.� 6.14 6.�0 ,.,, ,.,5 S.s6 6.62 8.14 y
<br /> 3 i75 357 �35 S.OB 5.�9 6.45 3.30 4.54 5.88 732 e_� S
<br /> height to find upslope width:
<br /> �X��_ �''9"' feet ' i� 3.45 �.17 4.64 5.46 6.06 3.41 4.76 6.25 7.89 9J2
<br /> S 2.61 3.33 4.00 4.62 5.19 5.71 3.53 i.00 6.6� 8.57 10.77
<br /> e. Multiply rock layer width by 6 i54 3_23 3.85 4.41 4.93 S_41 ).66 5.26 1.14 938 12.07
<br /> landslope to determine drop in elevation; � :..� ,.0 ,.,o ,.�, ,.,o S.t, ,.�o S.S6 7.69 �o.,, 13.73
<br /> �X-L-__��O- IQQ= I feet 8 Z42 3_03 357 4.05 4.99 4.88 3.95 5.88 833 11.54 15.91
<br /> f. Add depth of clean sand for-slope difference 9 2-36 i99 3.45 3.90 9.30 4.65 4.11 6.2i 9.09 13.03 18.92
<br /> (2e) at downslope rock edge, to the mound Io �� Z� 333 3.�� ..�� ,.�, 9.29 6.67 ,o.00 �5.00 �,-
<br /> height at the upslope edge of rock layer (2b) il �6 Z�e 3.� 3.61 3.95 4.26 ..48 ,.,, ,,.,, „_65 �.,
<br /> to find the downslope mound height� 12 L21 i70 7.12 1.99 3.80 9.08 4.69 7.69 12.50 21.93 43.75
<br /> _�ft + � ft=_y�feet
<br /> g. Enter table with landslope and downslope ratio. Select � = . /,�7S
<br /> downslope multiplier of • �v � �-S Z.sl,�'
<br /> ►I•4x;7sk 3 �
<br /> h. Multiply downslope multiplier by downslope mound height to 33•3 x�-ss x4; Z - ¢9'��
<br /> get downslope width: �qr-. -
<br /> �_x�= 3-3•3 feet � %43��'Z.7= 3.Sn C y�iL .
<br /> i. Compare the values of step G.1 S, Z � ,
<br /> and Step G.2h ,33• � :;. . .
<br /> Select the greater of the two values as the � � � uP lo e Width
<br /> _�
<br /> downslope width: ✓�•3 feet
<br /> j_ Total mound width is the sum of � u 5� e Width �6Qo�ODD;" ` " '� '�� .' p °
<br /> P P o. .::. � Rock Bed ?a;ac94': . '
<br /> ��, oo<�:oed ga� Width J� a.e:aa'ao: :�o� U ��°�Width
<br /> u p s l ope (G.2 d) wi dt h p lus roc k layer y °¢�: �=:<a:o��. .��;�ao.;_.: '
<br /> �p . . . id`p''r���o:�Q:} L2n th '�,e.e��ab�•Q,o: :o.
<br /> width(D.2)plus downslope width(G.2i); 3 qP�O:PtO�A�'�o�oo���;,;,-,�,p�;:a..;., :�,
<br /> ��•4' ft + 1 D ft+ 3_3.,� ft =54:Z feet � �Wnslope Width 33•3
<br /> F ' Absorption Width �'�3
<br /> k. Total mound length is the sum of upslope ��
<br /> width (G.2d) plus rock layer length (D.3) �
<br /> plus pslope width (G.2d);
<br />�ft + �� ft + !/• 4'ft _��'•g feet
<br /> Total Length_97��
<br /> Final �Dimensions:
<br /> . S _7 x
<br />
|