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�; I >(�ttilN�I.()l'F�: B1:IZM W 11 >I�1 { �,�,,,,, , ,,.,�� � � <br /> 1 1( landslc�pt� �s 1% or more, � <br /> tiubtr���t rc�ck layer wiclt}� fr�tr�� <�c�sur��t���ri �n����th�� ���� , � e,.� �o� _.� .�>�'_ . <br /> t Rock I ,o.ee <br /> tc> obtain minimum dc�wnslope berm tue '°a� <br /> � C lean Sand � <br /> �-Q � - _� ft = _��_ feef �aturalSo�l . . . ��� I�'�{'soil <br /> Calculate Minimum moiind Sizt� i -- � <br /> � -- . �.m...�o� <br /> �. � <br /> __--- <br /> �l. ��EtC�rIT11Ilt (�E�t�l C)f C��'c3I1 ti�:Il�� fi�� .1� I,�n1��F.c Width Downslopr Wtdth � <br /> ups(o�e ed�;e <�E rock layer - _ ` _ _ -- — -_ _ _ - ___ _ <br /> __ --. _ <br /> Rod tN�dth p��hun W�dth <br /> tit�aratic�n 3' -�Z _ ft = __�,_8_ feet ` -- <br /> _ --- - 1 <br /> b. Add depth of clean sar�d for separat�on (2a) <br /> at upslope edge, depth of rock laver (1 fvot) tc� depth of cover <br /> (1 foot) to find the mound height at the upslope edge of rock layer; <br /> � •� ft + Ift + lft = �_� feet <br /> --------- <br /> c. Enter table with landslope and u�sl3p j berm uPSioPe w;acn � <br /> ratio. Select berm multiplier of . � <br /> d. Multi 1 berm multinlier b U S10n e I71pLlIl(� I Upslope Width poo°o;�?onb,�Rock Bed �o;>oeb:n a Upslope w�dth <br /> P Y t' Y � C � a< Width ado-doo�o <br /> height to find upslope berm width: Ba �600A'. � � p°°o°ea e _ <br /> QBOp�n'4°p� a °. a o a o { <br /> L o P aP �4au_eu° QoQoBp.e I <br /> ��x 3T.�3= �2.�7 feet -� _ 1 <br /> e. Multiply rock layer width by � <br /> � <br /> landslope to determine drop in elevation; � Do��o�wacn <br /> _1�x�% = 100 = Q,�feet Ab��tion w�acn � <br /> f. Add depth of clean sand for slope <br /> rowl L,ec,gct� <br /> difference (2e)at downslope edge, to <br /> the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height; <br /> �.� ft + O.�'ft = �feet <br /> g. Enter table with landslope and downslope berm ratio. Select <br /> berm multiplier of .S. � <br /> h. Multiply berm multiplier by downslope mound height to get <br /> downslope berm width: <br /> �� x S.0 = o����eet BERM SLOPE MULTIPI.IER.S <br /> i. Compare the values of step G.1�_ <br /> and Step G.2h�).� �a DOWNSLOPE UPSLOPE <br /> Slop� berm mutdplieis for various berm mdtiptiers for various <br /> Select the greater of the two values as the �o � �,���,ti� e«���,ti� <br /> downslope berm width; a I• �—feet _ <br /> j. Total mound width is the sum of '' ' ' ' ` ' h ' ' ' � ' ° ' S � 6 � ' � k '� <br /> upslope berm (G.2d) <br /> u 3_o ao �o au ,o �o ao su a�� �v �c� <br /> � ;-� � t% <30 6.3€ ?S3 291 3.85 a 76 S ti6 6 5a ;a� <br /> width plus rock layer width (D.2) <br /> '- 319 � �s S56 68� 8la 283 370 a5a 536 6la pq�? <br /> plus duwnslope berm width G.2i); � 3 3o asa s.sa �3z a se z�s 3s� a 3s s os s�v b as <br /> I2.� ft + � ft + I- ft = �Z feet <br /> 4 3 41 4 76 6.25 7_89 9J2 2_68 3-45 4.17 4 8a 5 a6 6-06 <br /> k_ Total mound length is the sum of upslope s �s� s�� 6�; s s� io_;� z bi 3_3z a oo a b� s i9 s�i <br /> berm width (G2d) plus rock 1�3ver Ic�t�t;th (D.3) �� �c.� t ,<, ; ;o a �� i-„-, � s� 3�3 iss a,�� ��: 5�� <br /> ��IUS ��ti10�)E' v27Tll Ch'1(jtll ��.�lj�, ' � 1 K(i s <<, ;�,v i0 +a I i 7-t :.tt; � I? i.?0 a?3 s 7p 5 <br /> li <br /> �(/� I <br /> �t � r1lL_. ft �+ _ ft =- ��__ f��l r� ' �'�� S8k S >� Il �a ISv� 2sJ 30� 3S7 a05 4so axk <br /> `a � -7 1 I h.?� 4 Oy I 3-fk 12i v2 � 2 3b 7 9a 3 4S 1 90 J l0 a h� <br /> ------------'—�--- <br /> io i � �v r,��i in�ro i�ai ����i �3i �h�, ;�,� a �� a ._ �a.: <br /> �'1I1d1 �IIIIE.'I1S10I1S: �� � , ,s ; i.a n ii i:r., �u�a _ ,�. >>s. �_, ��,i ;v; ; :�, <br /> � <br /> i I_ �n�, 1 bv I:.SU ?I a t 4 a 7 S Z?I :7U l I 2 1 4Y 3_8U a UR <br /> , y� � �o ' <br /> , <br /> I X -- _ <br /> ; -- - -- -- ---- <br />