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TNDIVIDUAL SEWAGE TREATMENT SYSTEM WORKSHEET
<br /> �Ow Estimatod Sewaye Ftows in Gallona pu day
<br /> � A. Estimated 3oc'� gpd N�� .�,�� .�,�Q .n,�m .�
<br /> measured � x 1.5= gpd �r
<br /> • SEP'I'IC TANK VOLUME
<br /> B. 7Sv� gallons 2 3o0 2u tso �
<br /> 3 450 300 218 ��
<br /> 4 600 373 256 �y�
<br /> SOILS(Site evaluation data) 6 �qo�o su �32 �
<br /> C. Depth td restricting layer=�"g•S - S feet � toso 60o s�o ��'
<br /> D. Maximum depth of system C-3 ft= •s'- �' feet $ 1� �S � ID
<br /> E. Texture �+a`� [vawPercolation rate 3• � MPI `�
<br /> F. SSF ,L.1�sq ft/gpd s�ptl��ca�au���Yauo��
<br /> G. Slope�S%
<br /> Numbu of Minimum Liquid Liquid capsciry with
<br /> Bedrooms C acit gubage dii
<br /> TRENCH BOTTOM AREA 2 or lus 750 �►25
<br /> H. For trenches with 6 inches of rock below the pipe: 3 or 4 i000 tsoo
<br /> A x F= x = sq ft of bottom azea �S$o6y i� �
<br /> I. For trenches with 12 inches of rock below the pipe:
<br /> A x F x 0.8= x x 0.8= sq ft of bottom area sou c�r�cut.nn.oa x�y„�ea e,�w
<br /> J. For trenches with 18 inches of rock below the pipe: to�s� ��oc
<br /> A x F x 0.66= x x 0.66= sq ft of bottom area MP"`i„�°�'�n s«i r�wrc r«x��i�
<br /> K. For trenches with 24 inches of rock below the pipe: �� �"daj'
<br /> A x F x 0.6= x x 0.6= sq ft of bottom azea F"o'��"a"s'�� s�as'°� o.si
<br /> BED BOTTOM AREA o.�w s F�s.�a•• i.6�
<br /> 6�n IS Saody l.wm 117
<br /> L. For seepage beds with 6 or 12 inches of rock below the pipe; �6 a so � i.b�
<br /> 31 w 45 sa�� x.00
<br /> 1.5 x A x F=1.5 x x = sq ft of bottom area S�a���� c����, z_zo
<br /> ROCK VOLUME IN CU FT � � � u�.��"r`«f PwiY a�b;u..
<br /> ••sou e. so4�«more or rwe.,na
<br /> M. Rock depth below distribution pipe plus 0.5 foot times bottom area: a,� ,�.,,�,
<br /> �. M=Rock de tlt+6 inches x Area H,I, ,L,K •••s°`�`"� `°°"��'•P""°"'Y`°�`''r r°`
<br /> P ( J ) �.�,uui��r,o��a.��a.�a.Y.�.
<br /> � �+0.5 ft)ic = cu ft
<br /> ROCK VOLUME IN CU YDS
<br /> N. Volume in cu ft divided by 27
<br /> M+27=cu ds +27= cu ds
<br /> ROCK WEIGHT Y ij�7n.CX1.�5�� �iQ�n��d�l�,#���`�`
<br /> � � .��4 ?1 ^` 1�? y � � ' ki,' � k.
<br /> O. Cubic ards times 1.4=tons . � ��2=�x1t��1.���4���)v���,et� �-
<br /> Y � � �� tY � �sa�y,,z �'�r�� A � T�t� F��
<br /> N x 1.4�tons x 1.4= tons ��°1z��' � ����'���i� �s%.
<br /> � �Jz �'a��'��t�a� �u�r'3�t S�k��`",^ sw �. `�
<br /> � '��'��g������n�s��+� r
<br /> � 4A�'i Dd f `�' }ee�cHla f ��� `
<br /> SYSTEM LENGTH �;,�171��h;���.,�,�'�r,��,�����''�';
<br /> P. Select trench width= ft
<br /> Q. Divide bottom area by trench width: (H,I,J,or K)+P=
<br /> liIlell feet Geotextile Fa�bric
<br /> a,.,� d L� . ;.�:a�i i a.. i
<br /> + = lineal feet q�a����R� ,�p � �� 2"Roc�Covcr
<br /> Ql. Gravelless Design , o���,y��� ���* r�.';
<br /> A x P+(3 for 10"pipe,2 for 8"pipe,width of the Chamber) qrQ ep" i����d'b
<br /> ;,.,�4•s a� .4`� � 4��Dist.Pipe
<br /> 3v� X_�Z+�—_�^L E�t ' `��S."i"x' � ���#�
<br /> i4�9d��'�" cb.4 ..��
<br /> . • �o�,Q d�a��, - �
<br /> LAWN AREA 4�b°;,,Pa�'����.�'�� v�ak,�
<br /> 19c��a�3�(7''� a''�a`,,, � a�,;.4
<br /> R 5eloct trench spacing,center to center= feet �;���4 9 r a Q�,�T v a
<br /> 4. d ' �9�'�i r�t y�•,.� ��,"�r': ,
<br /> o;� �
<br /> S. Multiply trench spacing by lineal feet R x Q=sq ft of lawn azea d�A�qd:�a���"����;',�� ` D
<br /> 4 6;��4'y���,p,r•F��Adt�,,Y., P�P�P�i (Y2411 l��C�
<br /> X = $ l l 8 1 4 a�� 9b�'�y� G 14.
<br /> q o.�p�k:4�4,��r�4Q`�'��ar� ��
<br /> � . • Pq���4'�.�'��41'a'P9 6�i�41��� 3/4-21/2
<br /> . t t.i+� x .i�'.4'?a:y� .qER'�A.
<br /> LAYOUT(Use other side) a,��,l;������ ��a,�,.��,:,",��"�a�
<br /> �� . 1.Select an appropriate scale;one squaze= feet. a,,�,�4 P�v���%4���d+�.�.�,y�:.,
<br /> 2.Show ertinent ro e boundaries,ri t-of-wa ,easements. �4�"Rd't�q,`���'��� , � �d�
<br /> P P P nY $h Y a•ba'krc, �:o �+:o
<br /> 3.Show location of house,garage,driveway,and all other
<br /> unprovements, existing or proposed 1s-36"w'idth
<br /> 4.Show location and layout of sewage treatrnent system.
<br /> 5.Show location of water supply well. '
<br /> 6.D"unension all set backs and separaHon distances.
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