Laserfiche WebLink
FF'�=�I°1 . F''r"_ F'H�=�FdE IU=�, . 44���=�'�1 T�_il. ^�_� 1����;_; i=r�:�=i-1i��1 F',=� <br /> � � � �� <br /> • - � - j <br /> . 9 <br /> PX3;�SP SELECTIE�N '��'.00EDURE I; <br /> 4. Detertnine pum ca acxty; II <br /> GravitS' �tfi�tion'"- � -- - _ <br /> 1. _ iinirnum sug�ested zs^0 gprn' � <br /> 2. :�Iaximum suggested is�S ��I71_ _ PCx-tora�on Discharges in GPIti1 <br /> ..- - .__---.,.�..-- _ ' <br /> Pressure Distibution 1 �P�� �erfuration diam>ter <br /> (fezF (inchza) <br /> 3.a. Select number of per��orate�3 laterals %/3z 1�4 'i <br /> b. Select perEoration spacing� feet. 1.Oa 0.50 0.74 <br /> c. Subtract 2 ft_Erom the rock layer lenrth. 1.5 o.n� o.so <br /> -2 ft. - feet. � 2.ob 0.?,�� 1.0� <br /> kcc::L�ycr!mg�� �, <br /> d. Uetermine the r�umber of spaces between perforati�>ns. a Vse].0 foot smgle homes. <br /> Length perf.spacing= ft. = ft � spaces b L3se 2_U feet for anythistg e�e_ <br /> e. spaCes+ 1 = perforaEions/lateral , <br /> f. Multiply perfor�tions per lateral by numher c�f lateraLs to <br /> �et tatal numbez of �z'foxatiotZs. x - perforations. <br /> P r.,�rs �,:; .�r., � <br /> � a x - g�pm. <br /> o• ��., �R,;�::`" <br /> 5ELECTED PUMP CAPACIIY��gpm � <br /> � <br /> $.Detemline head requirements: <br /> 1. EPevation difference between pvmp and point of d�sshar�e. I <br /> { � feet I <br /> 2. If puu��ing to a pressure distribution rystem,five f�.�t for pre�sure y'��'�Q"""'y'`�" <br /> required at xnanifold if gravity system,zero. ;`�-���°' <br /> --� £f�� 7nW pipe lmgth <br /> i <br /> 3. �riction iess I <br /> a. £nter friction Ioss tarle k ith gpm anc�pipe diameter. �,.r� �:2„h;,,,w��,�� <br /> Read fricti4n loss in feet per 1�0 feet from table{F-1�). P`�''�_ _ I <br /> F.L-�_ft.1100 ft of pipe ,� � <br /> - . ........r . � <br /> b- Determine totai pipe len�th from�ump to discharge ' --------------------------•---------i <br /> a.,.:.. <br /> poini. £stimate by adding?5 percent to pipe length for fitting i <br /> loss,or use a fitfing loss chart ('�-15 feet) <br /> Et�uivalent pipe length-I.25 times ipe length= I <br /> �'?G7-. X 1.25=��feet Fri�ctivn Loss in Plastic P',ipe <br /> c. Calculate totai friction loss by multipIying <br /> Nominal <br /> friction Ioss in ft/100 ft by equivalent ipe len�th. p2�p d�� I <br /> Total friction loss= ��� x�?_�__Y100=�_feet <br /> 4_ Total head rec�uired is the sum of elevation difference, ��m te 1.5" 2" I,3" <br /> special head rzcluirements,and total frictaon loss. <br /> 20 2.47 0.73 i O.l I <br /> �_� �(''�} t� � 3.73 7.I1 �10.16 <br /> (1) (2) (3c) 3� 5.23 1.5� !0.23 <br /> 35 6.96 2.06 �0.30 <br /> 40 8.91 2.6� Q.39. <br /> 'X'O'[:�.L HE.AD �feeE 45 12.07 . 328 10.43 <br /> 50 1?.4F+ 3.99 ,0.53 <br /> 55 4.76 !0.70 <br /> C. Pump selection r,o S.Eo io.s2 <br /> 6G 6.4$ 0.?5 <br /> 70 i_�i4 1.09 <br /> 1. A pump must be se�ected to deliver at least , <br /> �gpm {$tep A) with at least �feet of totai head (Step B). <br /> II <br /> � <br /> � I <br />