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<br /> nic�.�tiured - - -r — � �;E��l ��i ���p��� ��yi���ii i�i„ ni i�i„�i�
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<br /> SF.P"i'IC�fANK VOLUME _ �__ �a� :,� i��� ,.,.
<br /> I� /� �Z�U t_/ �/Of� };allcinti �+ aso acxi :in �
<br /> 1Z�) (- �T 4 tdKl 175 'S(� „i���.
<br /> S 750 4S1) 7'!4
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<br /> SOILS (ti�tr�rvalualion data) n vcx� s�� �7� ����
<br /> 7 1050 (dxl t�U „i, .
<br /> C I)��F�th tc� restrictin� layer = -- __��� _ fi���t x i aoo ���t aun
<br /> I) Maximum depth c>f system C�- 3 ft = ___./ �_S— f��c�l
<br /> �'.. J�t:XfllCe���✓� ��tfC(1�8�lOIl CBte _��"'�.__ (���� Mmimum Mmunum
<br /> Numhcr
<br /> �' ��f' �. Z7�SC� ft��i�d O� ticp q�7�nA (�aGarlaE�nh
<br /> Hcdrooms capacm Dis�k,sa�
<br /> TRENCH BOTTOM AREA �Ra°°°`� �F'0ioi1
<br /> Fi I�c�r trenches with 6 inches af rack bela�� tlle pipe: 2 or Ic1� 750 1.�25
<br /> ��--__� A x F = x = sq ft of bottom arca 3 or 4 I.(xx) I.S�x�
<br /> / l. � f=or trenches with 12 inches of rock below the pipe_ 5 or 6 �.5�x) �.25t�
<br /> �__�� 7 ar S .(NN) 3.lKH)
<br /> A x F x 0.8 ='��x/��x 0.8 =���q ft of bottom art�a o�cr9 Sce t��� C-�� �x �_5J
<br /> 1 F<�r trenches ��ith 1H inch�s �f rock belo�� the pi}�c�:
<br /> /\ x }=x 0.66 = x a 0.66 = tic� ft of h�itt<>>n ar��.3 .,����u,.,�..,�_��..�,h,�.�,,,,.,;,�,,.,-,.,,,.�,..,,..�„�.,�,,,.,,,
<br /> ___ _____ _ -
<br /> }\. 1'OT fIC'IlC}leti H�Itjl 2� IIIC}lES Of I'OC�C t7elOW t�1C' pl})P,: �`���,d���.,°�. �S�ul lr�tur�'I' �,� � �;�e"--
<br /> btinu�c,r.�� .w 1 ; , � i i..y,,,.�
<br /> AxFx0.6 = x x0.6= sqftofbottomar�>a _ __""''0 ' ' � '"'
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<br /> BED BOTTOM AREA i a�����d,:,�,o r :�,a�� 5a„�i; ! ---
<br /> o_� <<,� , � 5 ob, �zu
<br /> I For Gravit��beds ��ith 6 or 12 inches of rock bc lo��� the pi�e�; o-i «,� � "� � o bo
<br /> 610 15 kiandr 1��am; ]�: �. 0J9
<br /> 1.5 x A x T== 1.5 x__ x = sq ft c�f bottoni arra ti,t��3o i.��,n ; ��„ � a<;u
<br /> 7-- — � 37 to-0S � 5ilt L��am j ?O(1 � U50
<br /> 1=��r Pressure beds with 6 or 1�inches of rock belo�� tl�e pipe; �h,��, +����,,,�„a,�, ; �_zo � o_as
<br /> f�X F' _ _ X = SC�ft Of bOttOI71 8f('3 Slu�verthan60"') Clac j -- (Q24)
<br /> __ —_ -�-- ---
<br /> ROCK VOLUME IN CU FT — -� �—
<br /> •�„��,.,<.,�.�.•�„�K.,,r�r«rr„�r��
<br /> Usr>ysteme fur rapidlv prrmublr wJ>
<br /> M. Rock depth below distribution pipe plus 0.5 foot times bottom area: ••��u�,�,,+�Fso��,�m„�r„r����,.,�«>����•,��.+
<br /> M =Rock depth+6 inches x Area (H,I,J,L�K� ����'��'��h tw lilgh�perarntaqe o(dav lur
<br /> m>ailation ut an In nwnd standatti svstem.
<br /> (�+0.5ft)x7 Z-I-�-��-�cuft
<br /> ROCK VOLUME IN CU YDS
<br /> N Volume in cu ft divided bv 27
<br /> M=27=cuVddl'�=27=�cuyds o �
<br /> 6 inches= 0/o Reduction
<br /> ROCK WEIGHT Reducfion
<br /> O. Cubic yards times 1.4 = tons 12 inches=20%
<br /> r1 X 1.4 = tons_�3 x �.4 -6� tons 18'inches= 34% Reduction
<br /> 24 inches= 40% Reduction
<br /> DISTRIBUTION * sizing for gravelless trench
<br /> (Check one based on slope) Bed (<6%,slope)
<br /> Trenches�Drop boxes (any slope) Distribution bc�x (< 3°4,)
<br /> SYSTEM LENGTH
<br /> t' Select width =��� ft
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<br /> L. D��ide bottom area by width: (H I,J, or K) - P = luu°al fra�t f.f.r.f.f.f.f.f.r.r.r.f.f.f.f.
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