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-� � <br /> . ' /�P�t//N .7~i�r D�j f <br /> . G'uFf�' /,/otirF D-2s ' <br /> INDIVIDUAL SEWAGE TREATMENT SYSTEM WORKSHEET � <br /> ;.� ;ti <br /> A. :s=i:nated -300 / UfF .f0 gpd ROCK WE7GHT <br /> ;S�e D-7 er I-3, 4,`� O. Cubic yards times 1.4 •� to�r�s <br /> or :^easured gpd N x 1.4 = tons � . ' , <br /> . x 1.4 = tons <br /> �_;,,- =;�s-�rK VOLLtiIE ' , <br /> 3. 7'Gv0 O F /p 0 0 gallons DISTRrgL1TrON� � � � <br /> (Sae •C-3 or C-5) (Check one based on slope) <br /> Bed (less than 6� s1oFe) <br /> �Q.;?j2 ;S ite evaluation data) Trenches <br /> C. Le�th to restricting layer = � Drop boxes (any slope) <br /> S. S feet Distribution bo:c � <br /> D, rtati:r•.urn depth of system (level to slightly <br /> C - 3 ft = 2, S feet sloping) <br /> �. F ercolation rate /3. / MPI � <br /> = : oil treatr[:ent area TRENCH LENGTH <br /> �'� �N /.27 sq ft/gpd (See D-6, B-29) P. Select trench width = � 3 D �ft <br /> 'fE /.67 Q. Divide bottom area by trench <br /> i;_ _;,��;�TTOM AREA width: <br /> ... F'o= _renches with 6 inches of (H, • I, J, or K) + P = <br /> � o:k below t!:e distribution lineal feet <br /> . i:a: 7So + 3 = ZSO lineal f?et <br /> � a X F = yso :� i 67 = 7S o — • <br /> �� sc •`t of bottom area LAWN AREA y Tt6�`��Ff � ��• f <br /> ' . : oc :,r=_nches aith 12 inches of R. Select trench spacing, � <br /> �� I _1�. � c;< ��low �^e distribution center to center a 7..$ feet - <br /> �� U�U DY ti=e: � S. Multiply trench spacing by <br /> . x F x 0 .8 a�x � x lineal feet <br /> i � � ? _�� sc �t �of bottom area R x Q a sq ft of law:� area <br /> �� ���-. .�►' <br /> � F'o� �=enches .rith 18 inches of 7� x ZSO = �.j sq ft <br /> :c:;c �elow the distribution <br /> pi�a: • LRYOUT (Use other side) <br /> � /j��>>��� A :� P :: 0 . 66 = _ x x 1. Select an appropriate sca�e; <br /> C� . �S = sq _'t of bottom area one square = feet . <br /> . :'c= :�r?r_ches :�ith_24 inches of 2. Show pertinent property <br /> :�o�k he�ow the distribLtion boundaries, right-of-��ay, <br /> F�i�a: easements. • <br /> A x F x 0 .6 = • :{ x 3. Show location of house, <br /> C . � = sq Ft of bcttom area qarage, driveway, and all . <br /> other improvements, existing <br /> p..�' _3Q:�'`! ���A or proposed. • <br /> _. For seepage beds:� 4. Show location and layout of , <br /> 1.5 x A x F � 1.5 x. x sewage treatment system. <br /> ___ = sq�ft of bottom area S. Show location of water supply <br /> well. <br /> �- �,yS�y_^!? Itv Ct7 FT 6. Dimension all set backs and <br /> ... F.o�k 3epth below di�tribution separation distances. <br /> Fi�e plus 0.5 foot times <br /> k-�otto:n area: <br /> Mm ( /. OTO.S .tt3 x �0 � . . � .. , <br /> //25 cu ft � <br /> H4S:��.�'la''• ' T4! CU vDS � • . • — <br /> �, vo L�ur.e in cu ft divicied by 27� • . , . , . , , <br /> M + 27 � Cu yds ` � � ' � _ <br /> //2 S + 27 = �/� cu yds �I'^/s�9,� <br /> �.+�' /�6iPr'd�',. /.�(°, , <br /> � �dy I�w.t�� G`Ro.�D6�� „ <br />