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1NUdVlUIJFiL �EWAG� TREATMEI�T SYST�M 1�1�()��S�EET 1
<br /> _ ---------- -
<br /> FLOW E;umated Sewage Flows in GaUons per day � �
<br /> A. Estimated_�Z�� gpd i --r��
<br /> Number I Type I I Typc[1 �Type[II j T�y+c
<br /> measured x 1.5= _gpd �� or �, � �i ; v
<br /> SEPTIC TANK VOLiJME �""'S '
<br /> B. o I �
<br /> gallons ' 2 3� 2�5 180 ; �q�
<br /> 3 � 450 I 300 218 I oi the ':
<br /> � 4 600 375 256 I ��alua �
<br /> SOILS (Site evaluat�on data) , s ?so-i aso , 2sa ' ,� i
<br /> C. Depth to restricting layer= S` �<1� feet 6 ; `�m ! su I 332 i T,.a i, i
<br /> ' � ! iose i �'�0 3� , ❑➢�
<br /> D. P.�aximum depth of system C-3 ft=_z feet �I s j i?oo � 6��
<br /> E. TextureS� �D.0 M Percolation rate 1�Z 7 MPI ', i � `oi"""u '
<br /> F. SSF I,Z 7sq ft/gpd
<br /> G. Slope�7 �o Se uc Tank Ca rt�es iin a{lonsi
<br /> L»wJ tapauty
<br /> Numher of �1m�mum L�ywd LnpnJ capau�y wiN WtN dispouldt
<br /> TRENCH BOTTOM A.REA Bedn��ms Gpa�ny rubagedupus�l 6t�ms�de
<br /> 2 ur Icss 75C� I 125 I iGU
<br /> H. For trenches with 6 ulches of rock below the pipe: 3„�, ��,�; ,s� _,,,,�;
<br /> A x F= x = s ft of bottom area s"`fi �sW :zso ���
<br /> _� q , ����,, ��� 3ux, l�xx,
<br /> I. For trenc:ies with 12 inches of rock belovr the pipe:
<br /> A x F x 0.8= x x 0.8= sc�ft of bettom area Soi!Characteristics and Required Areas
<br /> J. For trenches with 18 inches of rock below the pipe: £or Sewa�e Treacmenc
<br /> A x F x C1.66= x x 0.66= __sq ft of bottom area Percolauon Ra[e�n sq�ue
<br /> K. For trenches with 24 inches of rock below the pipe: M�n�«s Per incn Soil Tezture feei per¢a;lon
<br /> (MPI) per day
<br /> A x F x 0.6 = x x 0.6=�_sq ft of bottom area
<br /> $ED BOTTOM ARF:A F�s�cr�han o.t • coarse sand ---
<br /> O.l to 5 Sand fl.83
<br /> L. For seepage beds with 6 or 12 inches of rock below the pipe; � d••
<br /> 1.5 x A x F= 1.5 x x — sq ft of bottom area 6`o�o y o'm i';
<br /> 31 to 45 Silt lAam 3.00
<br /> ROCK VOLUME IN C'U FT a6 io 6o Clay Loam _.30
<br /> Slower than 60••• Clav -----
<br /> M. Rock depth below distribu�on pipe plus 0.5 foot times bottom area: � Soil[oo coarse for sewagc veatment.
<br /> M=Rock depth+6 inchzs x Area (H,I,J,L,K) Use systems for rapidly pertneable soils.
<br /> ( +0.5 ft)x —__cu ft *' So�l having 50�or more of fine sand
<br /> � plus very fine sand.
<br /> ROCK VOLUME YN C�'YDS "'Soii wtth ioo high a percent�qe of clay for
<br /> N. Volume in cu ft divided bv 27 ins�allauon of an mground s�andard sysmrn.
<br /> M=27=cuyds _.=27=_`cuyds
<br /> ROCK WEIGHT' 6 inches= U% Reductian*
<br /> O. Cubic yards times 1.4= tons 12 inche�=2Q% Reduction
<br /> N x 1.4=tons x 1.4=__tons 1�i��ches=34% Reduction
<br /> 24 ia4e�a�s=40% Reducti�n
<br /> SYSTEM LENGTi-� �'S�g for gravelless trench
<br /> P. Select trench width= ft
<br /> Q. Divide bottom area by trench width: (H, I,J,or K)=P=
<br /> lirte3l �eet � T� Geotextile Fabric
<br /> — = lineal f�'et oee�a� Qo Qos6 ii 0�Qaom°. �
<br /> �— � aCpL°Oa�sao.°a . °�oo��'i:o:�..n. Z��RockCover
<br /> Ql. Gravelless Desigrl ��o o y� :.o oo>..o
<br /> a�?�,,�,•o Q�����. �
<br /> A x F�(�ior 10"pipe,2 far 8"pipe,widtti of the Chamt�er) � �n000" Qab:_°,,
<br /> , o�a�o r�,00n 4"Dist.Pipe
<br /> �Lxl-�.Z-�—=�-�feet f�c�C.� �D °�°va° �aa'`°
<br /> . -7 �_.�, H.000.8� A oo1P L
<br /> _ JsQQa�o. aQsoo�ye
<br /> o� Ac�? e
<br /> LAWN AREA up;a`;��,00ee;��ee;oo�o?o ?
<br /> R. Select trench spacing,center to center=s�feet ° ° ` ° °
<br /> qeon o0 o n oo`o�d.�co o°r'.ao°,
<br /> A:S�t o" o- o e �. k pQod.o .
<br /> S. Multi�ly�trench�pacin by lineal feet R x Q=s��it of l��vn area d °��D°�;��°°�a a°6' U°o
<br /> �o°0Q0p0�o° �o o c
<br /> " " ' � 'y j f�-24" Rock
<br /> _X�CICc��Cs�C;ft a°�s �e�nn �aq�oe°Qeo
<br /> � .p� e�GP.�D6'.o'wq�'Oo'a;Ow,bou llyy
<br /> -O':aQO�pQ�'m.OQQO-oo'oo•„6Q (��+� � r�1t
<br /> C'OpdC,e)��o�.oQDoe.o`�De Opo� � /
<br /> LAYOUT(tJse other side) oo„d➢�➢o;o�;ao�a a��pA,nD,'
<br /> 1.Select an appropriate scale;one square=. feet. . oe Qo;oo;pa�D��:�oo�;�oy�,
<br /> Q°in n�%DoQao�a°a��;��oo
<br /> 2.Show pertinent�roperty boundaries,rig:ht-of-way,easements. Qa,4;�o�a m,m,�;04,0,�00
<br /> 3.�how location af house,garage, driveway,and all other °��p ��op000tin D�o=
<br /> improvements, existing or proposec� 18-36"Widtr�
<br /> 4.Shc�w location and layout of sewage ireatanent system.
<br /> 5.Shor�v loca�on of waier su�ply well.
<br /> 6.L�unension all set bacics and senarahon distanti.S. 9612177'ue
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