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G. DOWNSLOPE I��WIDTH <br /> 1. If landslope is�o �more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> �,L•r7 ft-�ft =�'L feet <br /> 2. Calculate Minimum�mound size based on geometery: <br /> a. Deternune depth of dean sand fill at upslope edge of rock <br /> layer: Separation l,0 feet <br /> b. Muldply rock layer width by landslope � reo� co�.�: <br /> to deternnine drop in elevation; , ,� r reec Ro .a <br /> Siope Difference s.v.�st,o� r..� , , <br /> Slop• Dfit�nne� :�_ et <br /> ��x 3 % '- 100 = .3 feet UDsIoDe W1At� <br /> c. Add depth of clean sand for separation (2a) -�-- r«� Rotk BeC WtAt� <br /> at upslope edge, depth of rock layer (1 foot) to depth of 1��.�� ooW���D�e1 t^ <br /> cover (1 foot) to find the mound height at the upslope edge <br /> of rock layer; <br /> J, 0 ft + lft + lft= 3,v feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike mulHplier of 3.5� <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3•S? x 3.o =�L feet <br /> f. Add depth of clean sand for slope difference (2b) at , <br /> downslope edge, to the mound height at the upslope edge <br /> of rock layer (2c) to find the downslope height; <br /> 3.J ft + .3 ft = 3.� feet <br /> g. Enter table with landslope and downslope d.ike ratio. <br /> Select dike multiplier of y.Sy <br /> h. Multiply dike multiplier by downslope mouncl height <br /> to get downslope dike width: 4•Sy x 3.�� _�!feet <br /> i. Compare the values of step G.1 and Step G.2h Select the <br /> greater of the two values as the downslope dike width; _ ' _ <br /> �� feet UDS10D�M'101� <br /> j. Total mound width is the sum of �- �•�� <br /> upslope dike (G.2e) width plus rock , ; <br /> Rock e a wiain <br /> � . /���i��t <br /> layer width (D.2) plus e UDti D� M��Ct� UDII�aD�W�Oth <br /> downslope dike width(G.2i)� a ����� .-.�L teet <br /> 3 < > <br /> �_ft + �c� ft + �Z ft = ,�.� feet � � ': <br /> k. Total mound length is the sum of 3� oow��ioo.wiain <br /> ' 1�_r..i ' ;: <br /> upslope dike width (G.2e) plus rock layer <br /> length (D.3) plus upslope dike width (G.2e); t <br /> I� ft + c,� ft + � 1 ft = �� feet <br /> » + c.�d + ►� �Oa <br /> Totetl�nptn <br /> own ope ps ope <br /> 3:i �i s:t s:i �:i 3a �:i s:� 4t r.i e:t <br /> x�� <br /> 0 3.0 �o s.o �.o �.o �.o i.o s.o �o �.o a.o <br /> 1 3A9 1.17 S.?5 638 753 291 3.85 4.76 5.66 65/ 7.l1 <br /> 2 3.19 �35 556 SSI 8.11 2.8'f 3.70 1St 536 61l 6.90 <br /> 3 3�0 � l5/ � S.Da 732 8.86 275 �3S1� 435 5.08 5.79 6.15 <br /> 1 3.41 U6 425 7.89 9.72 2.68 3.15 �.17 l6/ S./6 6D6 <br /> 5 353 5.00 667 157 1077 261 3.17 l.00 1.62 5.19 571 <br /> 6 3b6 S1b 7.1� 93d 1207 2.5/ 3.1� 3.A5 U] t.93 SAl <br /> 7 3�0 5.56 7.69 103! 137� 2!8 3.12 �.70 �73 l70 5.13 <br /> 8 3.95 SBS e37 1154 15.91 2l2 3.03 357 �.06 l.�9 tBB <br /> 9 l.11 6]S 9.07 13.0� 18.9i 236 294 3.15 3.90 !30 tb5 <br /> 10 �.29 G67 10.0 15.00 23�7 211 286 33J 3.75 �.12 4.t{ <br /> 11 1 Ad 7.14 1 I.11 17b5 30.t3 21b 276 323 J.61 3.95 �.2b <br /> 12 4b9 7.69 1256 21.17 �7.75 221 270 3.12 7.�9 3.E0 �AB <br />