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• <br /> cteranane Surface face At ----- -1- <br /> Rcctangle= Arca = L x W • Width <br /> x stluale feel -- _ _. _ 1 <br /> --- I.cat,lh — <br /> Circle= Arca = n x (Itatlius)' <br /> 3.14 x x _ stluate Ieel <br /> Radius <br /> Oilier=Gel Surface At ea front f�Ianufacttuer I• '1�` (� II=3.14 <br /> square felt >) . S. /))c.IYI \ftC �.c'/!;'�' sl,/< / <br /> Z. Calculate Gallons Per Inch ! {/ `�• . <br /> There are 7.5 gallons per cubic foot of volume, lllc,c(ule you must multiply the;Ilea <br /> limes the Conversion factor and divide by 12 inches per fool to calculate gallons per inch <br /> Area x 7.5 gpll'+ 12 incl►s per rout • <br /> x 7.5-1- 12 - gallons/incl, c9 3. 3 itA /V. <br /> • <br /> 3. Calculate Gallons to Llrvl'r 1'11105) (with 2 inclir ,ul wilier cut Grin nnit , T~— ____.. <br /> (I leigl►1 (in) t 2 inches) x gallons/bait (112) <br /> !, I 1 ) Estimated sewage I tutus in Gallons 1••,d.n <br /> ( /A •1• a ) x, 33 - (rl�d) <br /> ons <br /> of Type I •I y;N: ,I -1}pc 111 '1. pe <br /> 4. Calculate Total I'untluntt Volume <br /> Ued,00tns IV <br /> a. To maximize pump life select suiitp size fur' to 5 pump ul,crlliun�; per Clay. ----_ <br /> 225 I R(I • <br /> BC_ glth +rl ZI$ <br /> ---L --i,allun; pet tlos;e :1 300 ,,�•r. <br /> b. Calculate drainback 5 /5 3I5 ,. <br /> 1. Determine total pipe length, yo Icel. 5 7511 4501 . <br /> • 6 90(1 525 �2 <br /> 2. Determine liquid volume of Tribe,_____gallons l,cr 1(1(1 feet. .1 <br /> 3. Multiply length 1050 600 37(1 1: <br /> byvolume: Dt;tinl,a k rf 121 408 n, <br /> C 1I11aI,lil)' - 75comrm. <br /> ��feet x L�galluns/111(1 fl. ----,..,S. 2- gallons. -' <br /> nvolume <br /> _ <br /> --L-Jr,t,: (i it h:) tQlimt..c. Total pump out volume equals dose I 11 illtiali <br /> 1,_ ____gallons per dcr ,� gallons -- <br /> ----Zs.�. 2--gallons ''••_ <br /> 5. Calculate Volume for Alarm(typically 2 to 3 inches) 1.25I7.4 <br /> Depth(110)x gallons/inch (f12) - 1.5 10.58 <br /> -�_x�`..3 = V_G gallons 2 17,4 i <br /> 2.5 <br /> 3 <br /> G. Calculate Reserve Capacity(75 the Hail r 1 ��r. i <br /> Daily flow(see page D-7)x .75 = ) Ilut ) 66.1 <br /> 1.01:4>__x.75=___ _Z*.)gallons • <br /> 7. Calculate total gallons <br /> gallons over pump +gallons puntl,uul .igallons alai m .I _ Reserve Cality <br /> rtc <br /> 113+ 11,1 c+1I 5 411 6 <br /> gallons reserve cap�ily <br /> +-- t .—Y-p'Co - 11n=- 75.1;al lolls • <br /> Alam <br /> U. Total Depth ('final gallon tlivitictl Ir r <br /> -0 gallon/incl) (112) 1'`Illun 1 n t incl,) Pump(111 <br /> Total Gallon (117) <br /> Yfiri _ IIICIII'S <br /> To al I'untlruul Vult,:; <br /> _�► PUMP Off <br /> 1. Float Scltaralio11 Distance(equal total Itutnl,uul volume) - <br /> Total pumpuuI voluntc (114c) + Pump Ilciglit {' <br /> l,,tllons/inch (IIZ)Z6fa �I,.1 <br /> +a3.3 = inches <br />