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PUMP SELECTION PROCEDURE <br /> ,v�boXed►�dan9�es►nust be entersd,tne resr wru be ca�cu�ated. <br /> 1. Determine pump capacity: <br /> A. Gravfty DistrWulion <br /> 1.Minimum required discharge is 10 gpm <br /> 2.Maximum suggested discharge is 45 gpm <br /> For other establishments at least 109L grea�er tl�an the water <br /> supply r�e,but no faster than the rate at which�flt�nt will flow <br /> out of the disUibution device. <br /> B. Pressure Distribudon-sse pressure design waksheet sai��eofine�,r svs+em <br /> &p �i , narge <br /> Selected Pump Capacily: 35.3 gpm totai Wc,e <br /> tengt <br /> inlel 2A.elevotio� <br /> 2. Determine head requirements: �;� difierence <br /> -- ----- -- - � <br /> A. Elevatbn differenoe betrveen pump and point ot dfsch�ge. _................ .. <br /> t_Jf� � •-----•---•--••-•-------••- --..... <br /> B. Speci�head requirement?(See F'�gure-Speci�Hesd Requiremer►ts) <br /> �f� S d�Head Re uirements <br /> Gravity Distribu6on Ok <br /> C. Friction loss Pressure Distributiai 5ft <br /> 1. Select pipe diarneter �in <br /> 2. Enter Figure E-9 with gpm(1A or B)and pipe diameter(C1) q: �� In Ic pe <br /> Read fic�ion loss in feet 100 feet from Figure E-9 p�1 pp�1 <br /> Friction bss= 2.06 ft/100 ft of ppe �� <br /> dpe dameler <br /> 3.Determine total pipe length from pump discharge to soil system discharge point. 1�� 1.5' 2' 3' <br /> Estfmate by adding 25 percent to pipe length for fitting loss. <br /> �E uivalent length tlmes 1.25=tot�pipe length � 2,47 0.73 0.11 <br /> ft x 1.25= 62.5 fe� ' •.�:���'��'�:t3:'?3 '��".}:�)>l� �;`D:.I6`' <br /> 30 5.23 1,55 0.23 <br /> 4.Calculate total friction loss by multiplying fiction loss(C2) � 6•� 2•a' 0.30 <br /> by the equivalent pipe length(C3)�d divide by 100. :� �r:'�r�. :�r�1 � ;��� 0.39'�: <br /> FL= 206 ith00ft X 62.5 ft / 10� 1.3 fe� � 11•07 3.28 0.48 <br /> 50 13.46 3,94 0.58 <br /> 56�,�.�.�w:��. -`:l"�'� '.�l:76 �;r:Q.;70� <br /> D. Total head requi�nent is the sum of elev�lon differenoe(A),special � 5.6p 0.82 <br /> head requirentents(B),and total fric�ion bss(C4). b5 6.48 0,95 <br /> 6 ft + 5 ft + 1.3 ft <br /> 70 7,44 1.09 <br /> Total Head: 12.3 feet <br /> 3. Pump Selectfon • <br /> 1.A pump must be selected to deliver at least� 35.3 9Pm(1A or B) <br /> with at least 123 fe�of tdal head 2D. <br /> I hereby have e thia wak in aooadance with ail applicable adinances,rules�d I . <br /> signature) l/� (license#) ` � (date) <br />