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' ,. ,, <br /> MOUND DfiSIGN WORKSHEET <br /> . . (For Flows up to 1200 gpd) <br /> A. FLOW �•a s.,�.�o,��,a,u«���� <br /> Estimated�$pd �d. "'« �°' �v°n �cy�m � <br /> or measured=x 1.5 �_. <br /> ANK LI UID VOLLTIv�S 4 � � �� �` <br /> B. SEPTIC T Q s �so ,�o zs, k <br /> , a -� o 0o gallosts . � � � rmio �° <br /> � : I tzoo an +oa � <br /> G SOILS (refer to site evaluation) ��"a,3,s�� <br /> 1. Depth to restricting layer a ��`+"_iztches_feet �� �...� «,.,,,«a `=�".� <br /> 2. Depth of percolatlon tests=_ �=�nches M«-- °�, �.•.�.r ��""" <br /> 3. Texture ��� �"'� Percolation rate a�•� mpi '�"' �� '� � <br /> 4. LAIld slope 5�� `���/o ��o �.-1 1�s�.d�, r.�«� �000 �000 � <br /> D. R .D <br /> 1. Multiply flow rate by 0.83 to obtain required area of rock layer: A x 0.83 = <br /> c�_oo_.gpd x 0.83 sq. ft./gpd = '-,.,,�� sq. h.-►-����o=sy� �, <br /> 2 Select width of rock layer(max 10' if<120 mpi ntax 5') = i=ft. <br /> 3, L,ength of rock layer=azea+width a � � <br /> � $q• � 1-- � , <br /> • � � + o ft. = S ft, . <br /> . <br /> Width• �=ft . <br /> � <120mpi<10' un s� fr <br /> E. ROCK VOLUMfi >120mpi <S' <br /> 1. Multiply rock area by rocic depth to get cubic feet of rock;�sq. ft. x ���s' <br /> ft._�cu. ft. <br /> 2. Divide cu. ft.by 27 cu. ft/cu. yd. to get cubic yards; <br /> �,cu.ft. +27�, a � cu. yd. <br /> 3. Multiply cubic yards by 1.4 to get weight of rock in tons; �•� cu. yd. x 1.4 <br /> ton/cu.yd. � tons. <br /> F. ABSORPTZON WIDTH Abeepdaa VYldta Slsin�Zlb1e <br /> 1. Percolation rate in top 12 inches of soil is ���, , mpi ��;�� ��,��. �,� �� <br /> Texture u��r u,�a-v�. c��i �•� ure� <br /> �.��e..o,i cx.�+.a.va iso i.00 <br /> a�a s s..a �.to i.00 <br /> ,2, Select allowable soil loadin rate from table; a�p s �� a•� �� <br /> � g • i�»'�o =�i,e.m�0"" o so ioo <br /> . �.�_ gpd/ft� <br /> �ab0 �t� 0,�3 167 <br /> 3. Calculate adsorptton width ratio by dividing rock layer ��''"�120 � '° `:0 <br /> loading rate of 1.20 gpd/ft2;by allowable soil loadiag rate; <br /> 1.20:gpd/f�+j`��.:gpd/fts= � a.� � . <br /> 9:. � Multiply adsorption width z�atio by rock layer width to get � <br /> zequired adsoiptlon width; <br /> -�,c� x_��_,_ft=�,2�t <br />