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, � 1N1U1V1llUAL SEWAGE TREATMENT SYSTEM WORKSHEET 1
<br /> FLOW j Esumated Sewage Flows ir�Gallons per day
<br /> iFPd) I
<br /> A. Estimated �SA gpd N�mber Ty�� I-r.�u i Ty�m T�
<br /> measured x 1.5= gpd or I � �
<br /> SEPTIC TANK VOLUME I�1D0fu I �
<br /> B. Z Z-�0 gallons � z � 300 ! z25 i8o '
<br /> �I 3 aso � 30o zi8 60�` I
<br /> 4 � 375 256 of the �
<br /> values
<br /> SOILS (Site evaluation data) �� � �so . a5o z9a ,� i
<br /> C. De th to restrictin la er= �s� feet , �'� ' � su I 3sz T�.��. ',
<br /> P g Y i ioso ; 600 3�0
<br /> D. Ma�cimum depth of system C-3 ft= Z- feet � s I izoo i 675 aos IIn`
<br /> E. Texture-S�N C� Percolation rate 7 MPI `oi"""u '
<br /> F. SSF �Z7sq ft/gpd
<br /> G. Slope�% Se titTankCa ������� �uo��
<br /> Liywd capacny
<br /> Numlxr o( �linimum Gywd Liywd c�ity with wuh Japus:il�c
<br /> TRENCH BOTTOM AREA BeJnwms Cap�uy eubage Jispusal hft ms�1e
<br /> ?ur Ias 75U 1125 I iW
<br /> H. For trenches with 6 inches of rock below the pipe: �, ,� ,,,�,
<br /> A x F= x = sq ft of bottom area ,��. ;fi 15"0 'uo ;;,�;
<br /> ��Y 2
<br /> I. For trenches with 12 inches oE rock below the pipe:
<br /> A x F x 0.8= x x 0.8= sq ft of bottom area Soil Characteristics and Required Areas
<br /> J. For trenches with 18 inches of rock below the pipe: for Sewa e Treatment
<br /> A x F x 0.66= x x 0.66= sq ft of bottom area percolation Ra[e in Square
<br /> K. For trenches with 24 inches of rock below the pipe: M��u�es pe�incn Soil Ttzture feet per ealion
<br /> A x F x 0.6= x x 0.6= sq ft of bottom area �Mp�� per day
<br /> BED BOTTOM AREA Fas�e�wan Q•�' Coarse Sand ----
<br /> 0.l to 5 Sand 0.83
<br /> L. For seepage beds with,�6�'12 inches of rock below the pipe; o. s Fine Sand••
<br /> �S'x A x F=�x/-SOx�_��q ft of bottom area 6�o is Sandy Loam i.z7
<br /> 16 to 30 Loam f.
<br /> 31 to 45 Silt Loam 2.00
<br /> ROCK VOLUME W CU FT ��o bo Clay[,oam �.z0
<br /> Slower than 60"• Clav -----
<br /> M. Rock depth below distribution pipe plus 0.5 foot times bottom area: • Soil[oo coarse ior sewagc�reatment.
<br /> M=Rock depth+6 inches x Area H,I,J,L,K) Use systems for rapidly pertneable soils.
<br /> (,L�+��ft�X��_l��Cu ft " Soil having 50%or more of fine sand
<br /> plus very fine sand.
<br /> ROCK VOLUME IN CU YDS •"Soit with too high a percentage of clay for
<br /> N. Volume in cu ft divided by 27
<br /> installation of an inground standard system.
<br /> M=27=cu yds/, ��-. 27=�3 cu yds
<br /> ROCK WEIGHT 6 inches= 0% Reduction*
<br /> O. Cubic yazds times 1.4= tons 12 inches=20% Reduction
<br /> N x 1.4=tons r x 1.4=�tons 18 inches=34% Reduction
<br /> 24 inches=40% Reduction
<br /> SYST'EM LENG'��I � *sizing for gravelless trench
<br /> P. Select►xench width= �— ft Z�����
<br /> Q. Divide bottom area by trench width: (H,I,J,or K)=P=
<br /> lineal feet Geotextile Fabric
<br /> _- = lineal feet o o�Do�o p o p c Db ePpo�b n o�z 1 2��Rock Cover
<br /> - - Q60Q°Opoo e ae�.o�, q ��
<br /> Ql. Gravelless Design o �.a_� e� A o�aA-�
<br /> 0o QQ�Qo� Qpa p .b e
<br /> A x F=(3 for 10"pipe,2 for 8"pipe,width of the Chamber) �d oo" a;o' �,
<br /> yae'o 0 8O oPD9 4"Dist.Pipe
<br /> x - = feet o.00 a.�. oe e,ao
<br /> 8�6.0�o Bbo. .���do�?Do:B
<br /> Qq�aaeo-. -.:Qy.o.00ade
<br /> 0'R'.D ap0�9.e
<br /> LAWN AREA p va"oo�'d Qaoa°oQe;.,o�.,.e-., a
<br /> H.�:V�n:.o .a Oo�e�q. e�opDepD�c�Do
<br /> Q°!�° � �°� orm:o�Qaeop
<br /> R. Select trench spacing,center to center= feet o a o a o 0 0 0� ,,Po;oo o,00;
<br /> C nopo-_PpoPDe�GoDOpOpQo°a�86=%
<br /> S. Multiply trench,pacing by lineal feet R x Q=sq ft of lawn area o,oeaooa,aa o, � :- ,
<br /> pa _- ,00eD-060D�QO8 It .
<br /> x = Sqfc a�Qa ��aed oa�oo aso 6-24 Rock
<br /> o p'oopO9�Hb�o .000 �w; ,p�o�o
<br /> on�.o�, gooOQo- oQdce.o� oo�BO ��
<br /> � ODopDpaB�p.uoQDo oQDePOpbo 3/4-21/2
<br /> aoae.ec o u ooAa
<br /> LAYOIIT(Use other side) o;o;eb eo;oo;ooyD°d;sD,n.D,
<br /> 1.Select an appropriate scale;one square= feet. • oflop,00,po o,a�,o,o;,aaeb o
<br /> poBh�9�Bb epDoDOpoo�Oo�oo?e
<br /> 2.Show pertinent property boundazies,right-of-way,easements. QaQoa,Q,Q;„:,- ,,o,o,a„
<br /> 3.Show location of house,garage,driveway,and all other °a°A �p000'�08�'D�oa �
<br /> improvements, existing or proposed 1&36'width �'
<br /> 4.Show location and layout of sewage treatrnent system. �
<br /> 5.Show location of water supply well.
<br /> 6.Dimension all set backs and separation distances. 96�z1�T�e
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