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• OSTP Pump Tank Sizing, Dosing and Float <br /> MinnesotaPoiiutian and Timer Setting Design Worksheet �xrv�RslrY � . <br /> Co+itrolAgency OF�INNFSD7A ,��,;.;. <br /> TIMER or�EMAND FLOAT SETTINGS <br /> Select Timer or Demand�osing: �Timer Cij oemand oose <br /> A. Timer Settinqs <br /> 11. Required P(ow Rote: <br /> A.from Design(Line 12 of Pressure Distribution or Line 10 of Non-Level'): � GPM `Note: This value must be <br /> B.Or catcutated:GPM=Change in Depth(in)x Ga!lons Per lnch/Time Interval in Minutes odjusted after fiefd <br /> measurement 8 <br /> ��in X�gaVin:�min=C� GPM catculation. <br /> 12. Flow Rate from Line 11.A or t 1.6 above. � GPM <br /> 13.Calculate 71MER ON setting: <br /> Total Dosing VolumelGPM <br /> �gdl z��Pm=�Minutes ON <br /> 14.Calculate TIMER OFF secting: <br /> Minutes Per Day(1440)lDoses Per Day- Minutes On <br /> 14-00 min - �dos2s{day �mtn = �Minutes OFF <br /> 15. Pump Off Float-Measuring from bortom of tank: <br /> Distance[o set Pump Ofj Float=Gat(ons to Cover Pump !Gatlons Per Jnch: <br /> �]ga1=�gaUin= �inches <br /> 16. Atarm Ftoat-Measuring from bottom of tank: <br /> Distance to set Atarm Ftoat=Tonk Depth(4A)X 90%of Tank Depth <br /> � in X 0.90= �in <br /> B. DEMAND DOSE FLOAT SETTINGS <br /> 17. Calculate Float Separatron Dis[ance usi�g Dosing Volume. <br /> Tota!Dosiog Volume lGaltons Per lnch <br /> 127 gdl: 25.0 gat/in= 5.1 lnches <br /> 18• Measuring from bottom of tank: <br /> A. Distanre to set Pump Off Float=Pump a�d btock height+2 inches <br /> 14 in+ � in = 17 Inches <br /> B. Distance to set Pump On Aoa[=Distance to Set Pump-Of j Float +Float Separotion Distance <br /> 17 in+ 5.1 in = 22 fncnes <br /> C. Distnnce to set A(orm FloQt=D�s[ance[o set Pump-0n Floot +Alarm Depth (2-3 inches) <br /> C� �n+ 3.0 in= 25 inches <br /> FLOAT SETTINGS <br /> DEMAND DOSING TiMED DOSING <br /> � � r—_�__s—�,—_� <br /> Alarm Depth Z�J irT Atarm Depth in T <br /> Pump On z2, ir; 75 Gal � <br /> Pump Off �] ��, 126.55 Gat Pump Off �� <br /> �� 425 Gal � <br /> _____.�_�__� <br /> � <br /> � <br />