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S-'�n��amR�lul <br /> L Dctcrmf nc Sur(acc Arca -f- <br /> a <br /> Roctangic - Arca :- L x W Wath 0 a <br /> _ --_ x_ a square feet 1 , <br /> l.cngth <br /> Circle= Arca = r< x (Radius)' C <br /> 3.14 x x square feet <br /> Radius ai p M <br /> Other= Get Surface Arca from Manufacturer R= 3.1a W <br /> square feet O x <br /> ?. C.1lcul,lte Gallons Per Inch p <br /> There are 7.5 gallons per cubic loot of volume, therefore you must multiply the arca a <br /> times the conversion factor and divide by 12 inches per foot to calculate}gallons per itch <br /> Arca x 7.5 gpft' + 12 inchs per foot /J7 �i� <br /> x 7.5+ 12 = J 9�/`gallons/inch �' a O �0 <br /> { Calculate Gallons to Cover Pump (with 2 inches of water covering pump) Estimniod Scwagc Flows in Gallons per day <br /> (1-1cight (in) - 2 inches) x gallons/inch (42) (FPd) <br /> (- — + 'L ) x ?9. `-/=L22�gallonsuof cr , Type! Typc If Typc III TYpe <br /> 4. Calculate Total Pumpout Volume Tlcdrooms IV <br /> t. 1 o maximize pump life select sump size for 4 to 5 pump operations per d;lv. 2 300 225 IRO <br /> - 3 450 300 218 �� <br /> ) gpd +4 gallons per dose 4 600 375 256 Ur the <br /> Calculate drainback _ � 7=Sf3 450 294 .•I.� <br /> 1 [)L-termine total pipe length, ?5 feet, 6 90U 525 332 JYN t. <br /> 2. 7 1050 600 370 <br /> D('tcrmine liquid volume of pipe, 7•y gallons per 1OU feet. 8 1200 675 408 <br /> l Nlultlply Icngth by volume: Drainback quantity• <br /> 7i feet x 17.y gallons/1O0 ft.a 3 gallons. <br /> c. Total pump out volume equals dose volume+drainback c "u'""" '^` T <br /> gallons per dose+ /3 gallons. 20 % gallons 1.25 <br /> Calculate Volume for Alarm(typically 2 to 3 inches) 1.5 Depth (in)x gallons/inch (i! ) Z2.5 gallons , 3 4 <br /> Calculate Reserve Capacity(75% the daily flow) <br /> Daily flog (sce page D-7)x .75= 1 <br /> i x ,95- 7.51' f+aIIons <br /> 1,OC' <br /> Calculate total gallons Reserve Capacity <br /> I;ailons ever pump +gallons pumpout+gallons alarm +gallons reserve capcity �' ���` <br /> 3r3+ H4 c+/: 5+q 6 (I <br /> +72,S'O 13 Ya gallons ISG ��;>�> Alarm <br /> Total Depth (Total gallon divided by gallon per inch) Pump On <br /> Total Gi!lon (317)+gallon/inch(312) <br /> * > 1 - aY y inches - C' To 1 Pt-.spout lblumc <br /> Pump Off <br /> Fnat Separation Distance(equal total pumpout volume) Pump Hci hi , <br /> Total F umlx)ut volume(#40+f;allons/inch ( 2) <br /> Inches <br />