Laserfiche WebLink
��`� <br /> �"` OSTP Pump Tank UNIVERSITY <br /> ""^^�°�Ro0at1on Design Worksheet OF MINNESOTA yY� <br /> Control Agency <br /> TIMER or DENL4ND FLOAT SE7TING5 <br /> Select Timer or Demand Dosing: Qrimer Lbemand oose <br /> A. Timer Settings <br /> 12. Required Flow Rote: <br /> A. From Design(Line 12 of Pressure,Line 10 of Non-Level or Line 6 of Pump"): � GPM <br /> 'Note: This value must <br /> B. Or calculated:GPM=Change in Depth(in)x Gallons Per inch/Time Interval in Minutes be odjusted after <br /> � in X � 8al/in� � min=� GPM ins[allotion based on <br /> pump colibro[ion. <br /> 13. Flow Rate from Line 12.A or 12.B above. � GPM <br /> 14. Calculate TIMER ON setting: <br /> Toto!Dosing Volume/GPM <br /> � $dl= � 8Pm= �Minutes ON <br /> 15. Calculate TIMER OFF setting: <br /> Minutes Per Day(1440)/Doses Per Day- Minutes On <br /> 1440 min - �do5e5/day - �min = �Minutes OFF <br /> 16. Pump Off Float-Measuring from bottom of tank: <br /> Distance to set Pump Off Float=Gallons to Cover Pump /Gollons Per Inch: <br /> � 8dl 3 � $dl/ln= �Inches <br /> 17. Alarm Float-Measuring from bottom of tank: <br /> Distance[o set Alarm Float=Tonk Depth(4A)X 90%oJ Tank Depth <br /> � in X 0.90= �in <br /> B. DEMAND DOSE FLOAT SETTINGS <br /> 18. Calculate Float Separation Distance using Dosing Volume. <br /> Tota!Dosing Volume/Gollons Per Inch <br /> 60 gal = 24.9 gal/in= 2.4 Inches <br /> 19• Measuring from bottom of tank: <br /> A. Distance to set Pump Off Floot =Pump+block height+2 inches <br /> 14 jn+ � ln = 16 Inches <br /> B. Distance to se[Pump On Float=Distance to Set Pump-Off Float +Float Seporation Distance <br /> 16 in+ 2.4 jn = 18 Inches <br /> C. Distance to se[Alarm Floot =Distance to set Pump•On Float +Alnrm Depth (2-3 inches) <br /> 18 jn+ 2.0 jn= 20 Inches <br /> FLOAT SETTINGS <br /> DEMAND DOSING TIMED DOSING <br /> Inchesfor pose: 2.4 in <br /> Alarm Depth 20.4 in Alarm Depth in <br /> Pump On 18.4 in 49.8 Gat <br /> Pump Off 16.0 �� 60 Gal Pump Off �� <br /> 398 Gal <br />