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t11� II1l;AL5l.V�A�,L 1ltLAli`ll_i� l J1J ► t.itil �1Uhh�IiLt. 1
<br /> . _Mwi'�
<br /> FLOW �O� / F_aumatrd Sewa�r f lnw m(�allun>�.ri I):��Ic�dl
<br /> A. [.stitnated _ 7� gpd N„�„tk, — -- -- --— ---
<br /> measured X = SP� �r ry��i ry�,�ii Ty���ui T�i,�iv
<br /> liedruoms
<br /> SEP7'IC TANK VOLUME z �oo ��s ixn
<br /> f3. �2� (300 gallons � aso ;a� �iF ",;;
<br /> 4 600 175 �Sh mc
<br /> 5 750 4S0 ?y� "'"�
<br /> SOILS Site evaluation data �' � 5'` '''- „„�
<br /> � � 7 IOSU 6(XI 370
<br /> C Depth to restricting layer= '1�� feet x i'-oc� �,7s aoh """"".
<br /> D. Maxirnum de th of system C-3 ft = iC O feet
<br /> E. Texture S�;��cL� Percolation rate /�/-/g MPI Number Mmimum �tinunum
<br /> Sepuc TanA Capaaiv wnh
<br /> F. SSF � sq ft/gpd ot L�qu�d c;art„��
<br /> BC(jfOOfT1S Capaniv Uis�x>sal
<br /> (galloasl lgallons)
<br /> TRENCH BOTTOM AREA
<br /> H. For trenches with 6 inches of rock below the pipe: 2 or less 750 t.125
<br /> A x F= x = sq ft of bottom area 3 or a I.000 I.Scx)
<br /> I. For trenches with 12 inches of rock below the i e: 5 or 6 I.500 �.?So
<br /> P P �o�s Z.000 �.ax�
<br /> A x F x 0.8= x x 0.8= sq ft of bottom area o�er 9 See 6g.C-6 �x �.5�
<br /> J. For trenches with 18 inches of rock below the pipe:
<br /> A x F x 0.66= x x 0.66= sq ft of bottom area "''c'�'""°"'"`>'`R"a""r'"rc''`.'`"`"R'''�A'
<br /> rr«�i,n.��rs,K �,�K...' �,�....
<br /> K. For trenches with 24 inches of rockbelow the pipe: M;��,n�,,,�h SoilTexture MR'y�^ p.re..
<br /> r+ rve y,..,.
<br /> A x F x 0.6= x x 0.6 = sq ft of bottom area �'"�'� ' '�"
<br /> BED B01TOM AREA Faster chan o.1' oarse Sand ---- -----
<br /> 0.1 to 5 Sand O.S3 120
<br /> L. For Gravity beds with 6 or 12 inches of rock below the pipe; o.i co s Fine Sand•• i.b� o.bo
<br /> 6 to 15 dv I.oam 1�7 0.79
<br /> 1.5 x A x F= 1.5 x x = sq ft of bottom area ib co so t.oam i.6� o.bo
<br /> For Pressure beds with 6 or 12 inches of rock below the i e; si ro as Silt Loam z.00 o.so
<br /> p p 46 ro 60 Cla Loam 220 0.45
<br /> A x F= x = sq ft of bottom area Slower than 60•�• �iay -- �o.2a>
<br /> ROCK VOLUME IN CU FT -s„�«.,�,���.,��..aR�•�rcr�mr��
<br /> Ux>vstrm>(ur rapidlv permiable w�l>
<br /> M. Rock depth below distribution pipe plus 0.5 foot times bottom area: -s��ha����s�•�-�,�m�rc�rr��r„�,�.,���<.,M,
<br /> M=Rock depth+6 inches x Area (H,I,J,L�K� "'�d wi�h t�w high a percmtage of clav fur
<br /> ira�illation of an ingmund standanf s���trm.
<br /> ( +0.5 ft)x = cu ft
<br /> ROCK VOLUME IN CU YDS
<br /> N. Volume in cu ft divided by 27
<br /> M=27=cu yds_=27= cu yds 6 inches- 0% Reduction'�
<br /> ROCK WEIGHT o
<br /> O. Cubic yards times 1.4- tons 12 inches= 20/o Reducfion
<br /> N x 1.4-tons x 1.4- tons 18 inches= 34/o Reduction
<br /> 24 inches= 40% Reduction
<br /> DISTRIBLJTION *sizing for gravelless trench
<br /> (Chec�one based on slope) Bed (<6%slope)
<br /> Trenches ✓Drop boxes(any slope) Distribution box (<3%)
<br /> SYSTEM LENGTH
<br /> P. Select width = ft T
<br /> l l•J•f•1•f•f•r•f'r•f•f•f•1•1•
<br /> Q. Divide bottom area by width: (H,I,J,or K)-P= lineal feet f�f~f`•f�f~f~f�f`•f`•f~f�f�f�%�f� 2 a,c L Co�er
<br /> ti•ti.ti•ti•ti•�•ti•ti•ti•ti•ti•ti•ti•ti•ti �
<br /> f.r.r.r r•r.r.r•r•r•r.r r r•r•
<br /> lineal feet �.�.�.�-,.�. .�.�.,.�.�.�.�
<br /> _�__ f�f f�f f f frr f f
<br /> ti.L.ti.�. ti.ti.L.ti.ti
<br /> Gravelless Pipe ftirtiftirtif :ftiftiftif�
<br /> ( 10" :A x F r 3)=Lineal Feet(8" :A x F-2)= Lineal Feet ` r f f� f f�r.f�
<br /> ti.ti•ti•ti- ti•ti•ti•ti•ti 4 mCbPlpe
<br /> :'r'r'f' f'f'r'f'
<br /> ti.ti•ti•ti• ti•ti•ti•ti••.
<br /> r.f•r.f•r r•r•f•r•r•
<br /> Chamber(A x F=width of chamber) f�};}�f:f� ,f;i;r�J�};
<br /> ti.ti.ti.ti-ti•ti. �•ti•ti.ti•ti•�
<br /> 7.�_X L�GZ-._�_ �f�_lineal feet ftiftftiftiftiftiftfirtififtififtiftif:
<br /> r•r•r•r•r•r•r•r•r•r•r•:•r•r•r•
<br /> LAWN AREA �.ti.ti-ti.ti.ti.ti•ti.ti.ti.ti.ti•ti.ti.•.
<br /> itirti�tiftiftirti�ti?ti.ti:ti?ti?,f.?tifti
<br /> f•r•r•f•i•f•f•r•r•r•r•f•r•f•�•
<br /> r •ti•ti•'••ti•ti•ti•�•ti•'••ti•ti'ti'ti•'•-ti 6�04 u.nL
<br /> K 5clect trench spacin�,,center to center = _ _ feet f•:•f•f•f•f•f•f•f•r•f•r•�•f•f•
<br /> .•..ti.ti.,.ti.ti.ti.ti.ti.,•ti.ti.ti•ti.�.
<br /> •-f-�•r•r-f•r•r-r•r•r-r•r•r•:• RocF:$ebu�tLx F
<br /> ti•t•ti•ti•ti�t•ti•'.•ti•ti•ti•'••ti•ti �
<br /> ti. Multiply trench spacin�;bv lineal fc�et K x Q = ,c� ft cif la���n area r?r.f-r•f.r-r.f•r•r.r•�•:-f•:•
<br /> ti•ti•ti•ti••.•`.-•.•ti•ti••.•ti•ti•ti•'•
<br /> J•l•l•l•/•l•r•�•1�r•�•f•%•r•�•
<br /> yi8 '`�_ = 2070�<� tt ��•�•�•�•�•�•�•• •�•�•�•���-•�
<br /> r•f•r•:•s•f•r•:�r�f•r•�•f•r•r-
<br /> ti f��ti ft fti fti ftirti fti fti ftirti fti�ti�;•
<br /> LAYOUT(Use c�th��r 5ide)
<br /> 1. S�lect an appropriate scale;c�ne square� _ ___ feet.
<br /> 2. Shuw pertinent property buundarics, ri�ht-of-way, easement,.
<br /> 3. Show� location of house, garage, dri��e�vav, and all other
<br /> improvements, existing or pro�osed
<br /> -�. 5h�w location and layout uf sewage treanile�lt system.
<br /> S.5huw location of water supply well.
<br /> 6. Dimension all set backs and separation distances.
<br />
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