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� � � . Moulvp i�F�i�r, wux,wx�c�� <br /> �`S 1�� � �, (For Flows up to i�00 gpd) <br /> A. �'LOW gw�s.w.e.t��aaeo+�mr ' <br /> Estintated,_'�$pd w�. �.� 'nr.a '`�''"m �` <br /> or�te�sured�_x 1.5� "` gpd. <br /> � <br /> B. SEP'TIC TANK I.tQVlL�V��,[TIVIES � m m is� �,: <br /> s no .!� 29� e <br /> J-,�a.t�!? �•�-a a o0 8�I1°n� � y �� � r�io �` <br /> �t-�y ��'g � � j � i imo n� •a � <br /> C. SOILS{reftr�q►site e�alustion) . <br /> �, Dept�,to res�eti�s laqer� :.u'�i�ut�s�eec �.�.�.� .w..�.+� .,.�,.. .�� <br /> 2 Depth of pr�cohtion tests s ?�." _inches '� �'° �`••••""'' <br /> 3. Texture `--a��Y'' Percolation rate�'L mPi �;` � � ,� <br /> 4. Trar►d slope __�.._°l• '''"" �°° '°°° p°° <br /> I <br /> � 1, MLtltiply flow rnte by 0.$3 to obtain required area of rodc layer:A x 0.83= <br /> � � gpd x U.$3 sq£t./gpd= ',.�� sq. ft, �>��n=��l <br /> 2. Select width of ro�lc layer tmmx la'i£c120 mpi max 5')�+ •a h. <br /> 3. L.ength of rock layer=u'ea+width� .�- �-�"'�--� <br /> � � s it fi % f�.�. �.:� ft, �. <br /> ' r�= q. _ �.� <br /> Wdtb �� ft . <br /> <�20mp3<1(�' �..en � ;�' ft <br /> E. ROCK VOLUMS >120mpi<5' <br /> 1. Multiply rock a�a by rock depth to get cubic fcet aE rock;��sq,ft x� <br /> £t.��cu.ft. <br /> 2. Divido cu.tt by 27 cu.k/cu.yd.to get cubic yud.s; <br /> �cu.Et +27 s i cu.yd. <br /> 3. Multiply cabie yards by L�to get weight of rocic in tons;�cu.yd.x].,4 <br /> tcm/cu,yd._�tons. <br /> F. ABS4RP'I'iON W1DZ'E3 Aei�*''°°"�'�� <br /> 1. Percolatiast rate in eop 12 i�nches of soil is ?.� mpi �..��.w.r °''a' �:� <br /> ��`s'' �, w.�__�elw� ran'raa� ,�q,,,�le�i u►+.anem <br /> Tlaclure :-- ':-�`--��� , a�ra <br /> . <br /> ' �s�..�a� �� � 'oao� '�° <br /> 2 Select aUowabl�soil loadiitg rate froam table; �m„ s�a•,�,. n„ �.s� <br /> 4S' gpd�ft= ' �i«a�0s � wo i.°°o <br /> ifs e~iw�io �� o��D 6.C�0 <br /> 3. Ca.tc�ilnt�aaaorptio�t wiath r�tio by aiviaing rack layer . <br /> 1�adi:►g rdte of 1.20 ggd�ft�by allowable soil losding rdte; <br /> �..20 gpd/ft�� •��-'gpd/�_ ��:�� � <br /> 4. • Multiply adwrp�ion wldth rstio by ro�3c layer width to get <br /> teq�xdsospl�vn width; <br /> �.�,,,;�x.JJ ft� ��,�? R <br />