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<br /> rUMP SELi:�Tl�?N_I'HC?LEUUItI
<br /> f IO PFRrCMAT ION (X A 1'1 ftf(lqql FTl 1 41FR41
<br /> A I)etermine pump capacity: _�` M
<br /> Gravitr Distribution ' � �
<br /> 1 Minimum su�,*c�itd is f,(x)��alluns Ex�r h<iur (lU};�'n�) t�� ,ta��ah�;�d cil �-"'�-�---��
<br /> wat�r usc rate. � �.a.,�� j ;,�,- d� ....w,�.k �d,
<br /> �,.�,'.:`°°'�,',,;.e.,<,,,.�
<br /> 2 Maximum su�*c�tcd it�r dclivcry tci a dre��,txix ol .� hc�nu�svstrm is?,7(x) 'T �"�)--������.e,,,e,,,,,,,
<br /> �;allons per hour(45 gF�rn)to prevent build-up c�l pressun� �n c1ruF��x��. � �--t==
<br /> ����:Rw -o i.m� i1'ie tao.
<br /> XpryM(MIE � 1 N«�l�N
<br /> f'rbroflw lam�M ai
<br /> ressure utibution ��� M ,,.,,_„.,,,,.,�,
<br /> 3. a. Select numberof perforated laterals _ ��__�_.� o
<br /> h Select perforation spacing= feet �«i...d��� ...o«�. �,��
<br /> 9�1>.P1edp LwE l oAe
<br /> c. Subiract 2 ft_ from the rock layer length.
<br /> „a,,,�,�-2 ft.- feeti
<br /> d. Deternune the number of spaces bet�veen perforations.
<br /> Length perf.spacing= ft_+ It. = spaces Requtmd Perforation �
<br /> e. spaces+ 1 = perforations/laYeral �n gallons per m,,,uce(gp=,�
<br /> f. Multiply perforations per lateral by number of laterals to �� P
<br /> �
<br /> t total numberof rforations_ x Head �?m��' � a�,�,,
<br /> � Pe w�,�,. �„7�,�,,= perforarions. �f��
<br /> � �,� X�m,.,.,+- $Pm.
<br /> 1.0a 0_56 0.74
<br /> SELECTL-77 PUMP CAPACTTY�� ��,r;, 2,Ob 0.80 , 1_04
<br /> B. Determine head requirements: - --�-
<br /> 1. Elevation difference betw ��u��j'p and point of discharge. a. Use for single family homes
<br /> e��LLLL.feet b_Use for all other applications
<br /> 2. If pumping to a pressure distribution system,five feet for pressure
<br /> required at manifold if gravi s tem,zero.
<br /> �feet
<br /> 3. Friction loss
<br /> a. Enter friction loss table with gpm and pipe diameter. Pip�L.angch
<br /> Read friction loss in feet per 100 feet from table. � �
<br /> F_L= _2 ��b h./100 ft of pipe Poinc of DischarEC
<br /> b. Determine total pipe length from pump to discharg,e Eievarion Difierencc�
<br /> point. Add 25 percerit to pipe length for fitting
<br /> loss,or use a fitting loss chart. Equivalent pi�� P"n1P
<br /> Iength -125 hmes pipe length - �
<br /> f / � F��st�
<br /> ,�_-x 1.25 =-£�- fc�c•t ---------- ----
<br /> c Caiculate total friction loss by multiplyin� l.5 u�ch 2-0 inch 3.0�ncn
<br /> � fr�a,�im��oo r,��„�
<br /> fnction loss in h/1 h by equivalent pipc length
<br /> Total friction loss= � x L-Gj L �100- �L'� feet 10 0.69 0.20 I
<br /> 4. Total head required is the sum o[elevation ditference, 1� 0_96 0.28
<br /> 14 1.28 0.3R
<br /> spc�cial head requirements,and total fncbon los�s. l6 1.63 o.a8
<br /> ix 2.03 0�
<br /> 20 2.47 0 73 0.I]
<br /> - -- � -�---- { � 2S 3.73 1.11 0.16
<br /> (11 (2) (3cl- 30 j S?� ]-55 02�
<br /> 35 7 4(1 ?(16 � q.30
<br /> TOTAL HT�D f�,�,t �a0 11-U7 _.� 0_3y
<br /> -� --- a5 I4J� 3.?R i 0-4h
<br /> 50 3� O.SR
<br /> C Purtip selection 55 `� ��, � ����' I
<br /> �60 S-GO � 0-82 �
<br /> •---- -- --�-----
<br /> I ---- --
<br /> J 1. A �,iilnp must hc� s��lc���l,�/�`j 1�, �j��iir��r �it lc�.��l
<br /> � � f;f'ni (`��t�>J� A) „�iil� .31 1��.:��i �6� (��rl �>1 t��t,i) i���,��i (`,<< ��� I;i i
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