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. I'IJ1V�� S�LE�CT'ION �'�OC�I��J�ZE <br /> � L <br /> 1. Deterr�airae pur.�� eapacity: <br /> . �. G�avity dis�a�ibutifl� <br /> 1. Minunum required discharge is 10 gpm <br /> 2. Maxunum suggested discharge is 45 gpm. For other <br /> establishments at least 10% greater than the water supply rate, <br /> but no faster than the rate at which effluent will flow out of the <br /> distribution device. <br /> B. I'ressure distribution <br /> See pressure distribution work sheet <br /> Froaa� A or � SelQcted pump ca�acity: E-I��l g}�rr� <br /> 2. Deterr�n�n� puanp head requi�ements: <br /> A. Elevation difference between pump and point of discharg�e? soil treatment system <br /> 4`j feet &point of discharge <br /> a°9-0°�4°Q' �J�.� <br /> B. Special head requirement? (See Figure af right- Special Head Requirements) total pipe <br /> S feet length <br /> inlet -'`""�� ' 2A.elevation <br /> C. Calculate Friction loss = difference <br /> pipe <br /> ; , <br /> . ------- -- -- <br /> 1. Select i e diam,.ter in '° ' <br /> P�P p -�-� �-�--�-...------�-�-� -- <br /> ,. = �al <br /> =---------------------------- ------. <br /> 2. Enter Figure E-9 with gpm (lA or B) and pipe diameter (C1). <br /> Read friction Ioss in feet per 100 feet from Figure E-9 S p e c i a l H e a d R e q u i r e m e n t s <br /> Friction Loss = 3. S ft/100ft of pipe Gravity Distribution 0 ft <br /> 3. Determuze total pipe length from pump discharge to soil treatment Pressure Distribution 5 ft <br /> discharge point. Estimate by adding 25 percent to pipe length for <br /> fitting loss. Total pipe length times 1.25 = equivalent pipe length <br /> E-9: Friction Loss in Plastic Pipe <br /> �_feet x 1.25 = yD �o feet Per 100 feet <br /> 4. Calculate total friction loss by multiplying friction loss (C2) nominai <br /> in ft/100 ft by the equivalent pip�length (C3) and divide by 100. pipe diameter <br /> _ �i r ft/100ft x Q flow rate 1.5" 2" 3" <br /> � �►� - ��_=100= 1� f t <br /> pm <br /> D. Total head required is ithe sum of elevation difference (A),special 20 2.47 OJ3 0.11 <br /> h�ad requirements (B), and total friction loss (C4) 25 3.73 1.1 1 0.16 <br /> �_ft+ � ft+ �`-�' ft = 30 5.23 1.55 0.23 <br /> 35 6.96 2,06 0.30 <br /> Tt�$�� �1��C�: (,;-`; feE'� 40 8.91 2.64 0.39 <br /> 3. ���ap se��ctio�� a5 �t.o� 3.28 o.aa <br /> 50 13.46 3.99 0,58 <br /> 55 4.76 0.70 <br /> A pump must be selected to deliver at least_y���m bp 5.60 0.82 <br /> (lA or B) with at least___l_F�feet of total head (2D) 6 5 6.4 8 0.9 5 <br /> 70 7.44 1.09 <br /> I hereby certify that I have�ompleted this work in accordance with applicable ordinances, rules and laws. <br /> - ���' �o����� (signatur�) 3 (license#) �(�-1 to-v��11( (date <br /> ) <br />