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��/ <br /> _ •. . , <br /> OSTP Pump Tank Sizing, Dosing and Ftoat <br /> M➢nnesata Pollution and Timer Settin� Design Worksheet U�jVERSFTY <br /> ControlAgency UF Mi]�NE50TA <br /> TIMER or DEMAND FLOAT SE7TING5 <br /> Sefect Timer or Demand Dosing: O 7irner OO oanana oaee . <br /> A. Trmer Settirnss <br /> 13. Required F[ow Rate: <br /> A. From Design(Line 11 of Pressure DisLribution or Line 10 of Non-Levet•): 36 GPM Note: This vatue must be <br /> B.Or calcutated:GPM=Change in Depth(in)x Gallons Per Inch(Line 1 or 2)f Time Irrterval in Minutes adjusted after fie(d <br /> � � � � meowrement& <br /> m X gal/in= min= GPM calculation. <br /> 14. Choose a Ftow Rate from Line 13.A or 13.6 above. � GPM <br /> 15.Calculate TIMER ON setting: <br /> ' Toto!Dosing Volume(Line 1 i)/GPM{Line 14) <br /> �gal'�gPm=�Minutes otd <br /> 16. Calculate TIMER OFF setting: <br /> N{inutes Per Day(1440)/Doses Per Day(Line 9)- Minutes On(Line 15) <br /> 1440 min : �doses/day - �min = C�Minutes OFF <br /> 17. Pump Off Roat-Measuring from bottom of tank: <br /> Distance to set Pump Off Fl�t=Galtons to Cover Pump(Line 5)/Gallons Per Inch(Line 1 or 2): <br /> �$al:��31/in= ��Inches • <br /> 18. Alarm Float-Meawring from bottom of tank: <br /> Distnnce to set Alorm F(ont=Tank Depth(4A)-Alarm Depth(Line f3) <br /> �in - �in = ��m <br /> B. DEMAND DOSE FLOAT SETTINGS <br /> 18. Calculate Roat Seperation Distonce using Dosing Volume. <br /> Total Dosing Volume(Line 12)/Gallons Per Inch(Line 2) <br /> 205 gal: 25.5 gat/in= 8.0 Inches <br /> 19. Measuring from bottom of tank: <br /> A. Distance to set Pump Off Roat=Pump Neiqh[ +Block Heiqht (Line 5)+Alarm Depth (Line 13) <br /> 12 in+ � in = 15 Inches <br /> B. Distance to set Pump On Float=Distance to Set Pump-Of f F(oat(Line 19.A)+Float Seporvtion Distance(Line 18) <br /> 15 in+ 8.0 in = 23 ��ches <br /> C. Distance to set Alarm ftoat=Distance to set Rrmp-On Ffoat (19.6)+Alurm Depth (2-3 inches) <br /> 23 in+ 3.0 in= 26 �nches <br /> FLOAT SETTINGS <br /> DEMU►ND DOSING TIMED DOSING <br /> Alarm Depth 25 in Alarm Depth i� <br /> Pump On 23 in 76 Gallons <br /> Pump Off �rj �� 204.5 Gdllons Pump Off �� <br /> 382.35 Gaitons <br />