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' ' MOUND DESI6N WORKStih:�Z� <br /> � S�-c��'� (For Flo�+vs uP to 1200 gpd) <br /> A. FL�W aw..a�...a r�o�+�ct.uo�v�r.r <br /> E��a�ated,��a --gpd � �� �cy,.0 �m �' <br /> or ate�s�red x IS�• — gpd <br /> � <br /> B. SEPTtC TANK L�t�UID VQLLIM�S : e`�°oo s7°°n as'�� „d,�'�, <br /> I-J�.St� �!-inao�l�lv yrpe <br /> i ? l0l0 � !7'0 Tdv� <br /> � it.7 j 1 `f90Q 615 �0{ m <br /> C. SOIIS(Yefetc to site t�valu�tion) r��•� �,.,� � � . t � �� <br /> 1• DePth bo rests�cting 1zYQr� ,"` �„inch��� ,,,,,.,1 ►�.�+. .,,.�,.. .'"« <br /> 2. Dept�►of percolation teats� �a inches �— �, ,�•,� �� <br /> .'�. T� �..-�`J�4%��i Percolati�n rate �. s�ntpi i7r� i0��0 U�00 � <br /> 4. Land slope a � 9'• ,':'` � ' '00 <br /> � 1. Multiply fl�ow rate by 0.83 t�obtain requirad area of rock tayer:A x 4.83� <br /> ���--�,gpd x U.83�q.tt/gpd• c-raa sq.h.-=,��v- ��� <br /> 2 Select width of rock Iayer(aLa�c 18'if<120 mpi max 5')� �� Et. <br /> 3. Length of tack layer a area+width= <br /> � ,�sq.ft.+ . J� R.� ta`�--f� � ,.. <br /> Widtb i�: ft � <br /> �1ZOmpi c�0' ���..�-n <br /> E. Rocxvo�,uME �Iaa�� <s� <br /> I. Multiplp rock are�by racic dept�to get c�bu feet of rock;:'��4 sq.h.x �.��— <br /> ��f, <br /> � . . . <br /> 2 Divide cu.tt by 2?cu.h,�cu.yd.to get cubic yards; <br /> '�; � cut,ft +27= �'� cu.yd. <br /> 3. IVlultlply cc:bic yards by�.4 ta get weight of rock ia tons;;�cu.yd.x�,.4 <br /> eon/eu.yd. –,�fior�s. <br /> F. ABSORPtION W1DTH ����� <br /> 1. Pezcoiation rnte�top 12 inches af soil is��.,mpi ►�� s.n,aA.. �;" �� <br /> '��7Cttu'e '-` 1.c,Y`..ri� o�ti ��+ taaa� <br /> r�rrr+..nt r..+.sna iso �.00 <br /> 2. Saleet allowablQ�pil 1oading rate hom table: e�is s�►.�9.. � i� <br /> :`�`� �pd/� � ii�"•a s�a m wo iw <br /> �6 b 60 Cq 1.MI� OiA.1 11? <br /> 3. c.akvJste aa�arptia�width rdtio by ai,ridir�g rocjc laya <br /> lio.rf Mi�1�0 Qq 0.�0 i.�00 <br /> loadi�g rate of 3.24 gpd/�t2 by allowable soil loading rate; <br /> 1.20 gpd/fi�*��gpd/ft = ,�-c�-� <br /> 4. • Multip�y ddsorptior►width xatio by rocic layer width to get <br /> ��d�aorp� width' <br /> �-?x �.�.....�=a�� <br />