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�� �.�� 45TP Pump Tank � <br /> UNIVERSITY � <br /> ""�;��� Design Worksheet c�F ���rN�soTa h4� <br /> 6. Select a pumpout volume that meets both Minimum and Maximum: 150 Galions <br /> 7. Calcutate t�ses Per Day =Design Flow�Qetivered Yotume �����,�;�����,�, <br /> 750 gpd : 150 gal = 5.0 D'oses � <br /> 8. Calculate Drainback: � <br /> A. Diarieter of Suppty Pipe= �inches �� �"���� <br /> B. Length of Sup�y Pipe= 65 feet ���� �� ��� <br /> ` (�ncta�e�� �+Ca�ltons) <br /> C. Volume of Liquid Per tinea(F�t of Pipe = 0.170 Gallons/ft � Q �5 <br /> . <br /> D. Drainback =Length of Su�lyWpe X Volume of Liquid Per tineoi Foot of Pipe ,�.2� 0.0?8 <br /> 65 ft X o.»o gat/ft = ��.� Galtons �.5 {?.110 <br /> 9. TotQl[�osing Volume =D�tivered Votume ptus Dreir►back 3 Q.,��� <br /> 150 pa� + 11.1 a( = 161 Galtons 3 �•�� <br /> 10.Minimum Alarm Volume=Qepth of alarm (2 or 3 inches)X gailons per inch of tank <br /> �in X 25.5 gal/in = 51.0 Gallons +� Q.�l�� <br /> TIMER or DEMAND FLOAT�TTINGS <br /> Select Timer or Dema�d Dasir�g; � 7�ner �i pemand oose <br /> A. Timer Settings <br /> 1. Required Floyv Rnte: <br /> A. Fram Design(Line 12 of Pressure Qistribution or Line 10 of Non-level*): � GPM .,Note: Th�s va(ue <br /> B. Or catculated: GPM=Change in Depth(in)x Gattons Per Inch /Time intervat in Minutes must be adjusted <br /> � in X � galfin+ �min=� GRM after ir�tottation <br /> based on pump <br /> 2. Ftow Rate from Line 14.A or 11.6 abowe. � GPM ��fbredon. <br /> 3. Catculate TUNER ON setting: <br /> Total Dosing Volume/GPM <br /> � �dl : Q gpm = ��Minutes ON <br /> 4. Calcutate TIt�R OFF setting: <br /> Minutes Per Day(1440)lDoses Per Day- Minutes On <br /> 1440 min : �dOseslday Qm9n = C�Minutes QFF <br /> 5. Pump Off Float-Measuring from bottom of tank: <br /> Distance to set Pump Off Float=Gn(lor+s ta Cover Pump / Galtarts Per lnch: <br /> � gat = �� gaVin = Qinct�s <br /> 16.Alarm Float-Measuring from bottom of tank: <br /> Distance to set Alerm Ftont= Tank Depth(4A)X 90%of Tank�pth <br /> � in X 0.90 = �in <br />