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�. [)()1NNti[.(1PL B1:(tM W I I ►l�l I �.��,,.. �„��� � <br /> 1 It landslo��e is 1% or more, - � <br /> subiract rc�ck layer width frc�m .���s<�rJ�tic�n tvidth � :o� seb ,�.� <br /> t Rock I' �p d <br /> lC) OZJtd111 TTl1IllI71l1IT1 dOW11SI0�7( f1�C111 lllt' CleanSand <br /> _ld it - �c� ft = __�_, feet �:T��a <br /> a���ai ti��i <br /> 2. Calculate Minimum mound Siz�� - - - ------ - <br /> �l. DPtC'I'Tllllll' C�E'P�l �)� C�Pc311 Si]il(j fl�� d� I1�nIoF+�Nhd�h 1)nwnslti�W�dlh --- <br /> u �slo e ed e af rock la er: <br /> F � P P Y -__ _--_-- -_.__ K��w,d�, --- ----- <br /> Absorphun W�dlh <br /> Separation 3' -�_ h = __� feet ------- <br /> b. Add depth of clean sand f�r-separatic�n (2a) <br /> at upslope edge, depth of rock layer (1 foot) to depth of cover <br /> (1 foot) to find the mound height at the upslope edge of rock layer; <br /> �_ ft + lft + lft =_,� feet <br /> c. Enter table with landslope and upslope berm uPsio�w�a�n <br /> ratio. Select berm multiplier of 2 S� <br /> d. Multiply berm multiplier by upslope mound Upslope W�dth aoob:�q�b.� Rock Bed �a�a��4�:a Upslope Width <br /> I D.p�,paoa,q Nfidth 7b:vo.aoifl s. <br /> height to find upslope berm width: Qada•.�o•�Qa: a•�Q.�.•ao: <br /> � �_�.6 S . » �a.x w e'� �G7U'DV O'P e e 7D'7. . . .. <br /> x - feet � <br /> e. Multiply rock layer width by 3 � <br /> � <br /> landslope to determine drop in elevation; � Downslopewdth <br /> o Absorption Width <br /> /� x_�/o= 100 = 0-(� feet <br /> f_ Add depth of clean sand for slope <br /> difference (2e)at downslope edge, to T°`a'�'�' <br /> the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height; <br /> d.G ft+,�_ft= 3.dfeet <br /> g. Enter table with landslope and downslope berm ratio. Select <br /> berm multiplier of 3• b 6 <br /> h. Multiply berm multiplier by downslope mound height to get <br /> downslope berm width: <br /> 3�.X_�.d = l3.Z f�t BEEtM SIAPE MULTlPLIERS <br /> i. Compare the values of step G.1�_ <br /> and Step G.2h l3•Z � ��� �o� <br /> Select the greater of the two values as the ;,�, °eID�t°r"`i°� °��r°""`°� <br /> o�e�aos b�m s�e naos <br /> downslope berm width; l 3. Z- feet <br /> j. Total mound width is the sum of ;� 4� s� 4: 5: ,: :, <br /> upslope berm (G.2d) a 3.o a.o s.o 6.0 �.0 3.o a.o s.o b.o �.o s.o <br /> width plus rock layer width (D.2) ' 3-°9 4.1� s.z6 6.38 �.s3 z.si 3.85 a.�6 s.� b.sa �.ai <br /> plus downslope berm width(G.2i); � � 19 4 3S 5 56 6.82 8.14 2.8? 3.70 4.54 5.36 6J4 6.90 <br /> �,�j 3 3.30 4 So 5.88 7.32 8.86 2.T5 3.57 4 35 5.08 SJ9 6.45 <br /> i=� +_�ft '� �ft = ��feet 4 3.a1 �.76 6.25 7.89 9J2 2-68 3.45 4.17 4.8a 5.46 6.06 <br /> k. Total mound length is the sum of upslope 5 3.5� 5 00 667 8.57 10.77 2.61 333 4.00 4.62 5.19 5.71 <br /> berm width (G.2d) plus rock layer length (D.3) 6 3� s zb � ,a 9.38 i2.o� z.sa 3.23 3.ss a.a� �.93 s.a� <br /> plus upslope berrn width (G.2d); � 83 0 5.56 769 10.34 13.73 2.-4fi 312 3.70 4.23 4.70 5.13 <br /> � � + � ft �" �I ft = �� feet 8 3 95 5.88 8.33 11.54 15.91 2.42 3.03 3 57 4.OS 4 49 a.88 <br /> 9 411 6.25 9.09 13.04 18.92 236 2.9a 3.45 3.90 a.30 0.65 <br /> �� �39 6 67 10.00 I5.00 2333 ?.31 ?.86 33? 3 75 � I? a aa <br /> Final Dimensions. �� �'�K � �4 11 11 1765 3041 226 ?'!k 1?3 361 395 4;G <br /> OX C� �� �.69 7 4v 12.SU 21.43 43.75 2.21 ?70 1 I7 3.49 3.80 4.08 <br /> • �J I <br />