Laserfiche WebLink
� - �.� <br /> ��SEL-ECT�ON PRpCEDL�E <br /> A. Determine pnmp capadty: <br /> l. Minimuut sugga�ed ls 600 gallotu pes hour(10 gpm) to stay ahesd of ' <br /> waeer u�e ra�e. <br /> 2. b(aximum�ugga�ed for ddiv�ery�o a d:op box of a home syscem i�2.700 <br /> gsUons per hour i1S gp�a�to pc+event bnild-up oE p�saune fn drvp box. <br /> 3. Ux value from de�ign of pcamu�d�stribndon 'ry��em. <br /> SELEtTED PU11�II'CAPAQIY_� p��� <br /> B.Determl:+e head reqnirm�nb: � . �':;.°� �� <br /> 1. Elevadon differenoe��point of dUcharge. F1s�►.�doa DiCaa�os <br /> Z if pumping to a pe+e�sure di�tribudon sys�eas,add lfve ktt foe prwure �'� <br /> requuiired at rnanifold , a�{ <br /> - •� Riab <br /> _�. <br /> 3. Frklion bes . 13 iadt 20 Meb 3.0 ineh <br /> a. Ente�r frictlon Io�s t�bk with�pat ard plpe diame�er. <br /> � �i.r..r.�r taon.tw. <br /> Reed hicl�on loes in feet per 100 feet frvm page R18. 10 0.69 O.ZO- <br /> F.L• �=R./100 Et oE pipe •i4 i� 0 8 <br /> ' b. Dedesmit�!tctal p�pe lestgth ft+ot�1 pntttp tD dixharge = � 16 1.63 0.4a <br /> poin� Add 2S pesrent to pipe length Eot Atting l a 2 0 3 0.6 0 <br /> loss,or�e a ti lo�s char� ZO ia7 0.73 0.11 <br /> � ���t�� ZS 3.13 1.11 0.16 <br /> tength-1.25 dmes pipe length• 3o s.t'� 1.3s o.Z3 <br /> �_x 1.2'�• 'a'� flet 40 11.0� _S Z_z�� 0.39 <br /> c. Ca�lcnla�e botal iriction loee by iruldpiyi� �� . -� <br /> fric�on 1�in k/100 ft by equivalent pipe length. so 3.99 0,8 <br /> To�al fdction los s '�.?�x=j +100•_�feet , � S 60 0.3 , <br /> a. Toai heed required i�the eum of devatlon diffe�e�nce, � <br /> speciai head requi�mmb,and total frtctlon lo�s. �� <br /> �+_�_+�_ . . <br /> (1) (?J (3� <br /> TOTAL HEAD �feet <br /> G Pump selecdon D-7 <br /> 1. A Pump must be sdecbed to ddiver at least y D gpm (Step A)with at lesst <br /> ��feet of total htad(Step B). or�M.� ssw�oc .�ow�s�aw.�o«. .a o�.r <br /> r+� rr.s a� �c,ioc++u <br /> �D1100M! t II � Q <br /> D. Total Puanpont Volnme � q � ,�, �� � <br /> 1. To ma�dmiu pump llfe sdect sump size for 4 to 5 P�P aP��ons per day. . ; oo n70°s =,'r�s� �»• <br /> 0 o gpd+4• 1 SU gallons per dose � *� +� �• +r�� <br /> 2. Calculate drainback : imO°Ooo �`OOrs •oi e.�M. <br /> t. Deter:rdne total pipe length,�o feet. <br /> 2. Determine liquid volume of pipe,�,�galloe»per 100 Eeet. (xe page R18) F-18a � <br /> 3. Multlply leagth by wlum� Drainback quantlty� � � a,� ��r� <br /> ��U feet x��gallon�/100 fL• •1 � gailon�, .4 <br /> •Susgaeed drainback quaadty is 10 percent of pna�ped quantity. A larger drainback �.2 5 7.7 7 <br /> percenage will d�pus+p seadon effidency sllghtly but pumping mvgy coaes ars <br /> uswlly a reiatively smatl part vf the total household energy aost�. 1.5 1�.58 <br /> 2 .17.43 <br /> 3. Total pump out wlume equals dose volume+drainback Z,S 24.$7 <br /> ► So gallons per dose+�gallons� 1�t U Total Gallons 3 38.4 <br /> 4 66.1 • <br />