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� ' � O�TP Pump Tank Sizing, Dc�ssin� and Fiv�at ' <br /> �,�;�n�5�t,�A�f�,LaA� and Timer Setting Design Worksheet L�r�l``�.xs���� , <br /> Contrai Agency OF�lt.'v�1F,SC1Tr� <br /> DE"f'ERMINE TAt�C CAPACi7Y,4ND OtMEM510N5 ProjeCt IU: v 12.OS.Ob <br /> 1. A. Design ftow (tlesign Sum,lA}: 750 {,pp <br /> 8. Mfnimum reguired pump t�nk capacity: i500 Gat G. Recomrr,ended pump tank tapatiiy: 1506 Gat <br /> AdEASURfD TANK CAPACITY(existing ianks}: <br /> 2. A. Rectangle area=�ength{L)X Width(W) <br /> l�fi X L_� ft s i____-.lft2 V1lidth <br /> B• Gircle area=3.14r�(3.i9 X radius X radius) <br /> 3.94 X �2 ft = �ftZ • --s <br /> Cength <br /> �, Calcutate Galions Per Inch. There are 7.5 gaUons per cubic foot. 'f#xerefore,muttipty the area <br /> from t.A or 1.6, by 7.5 to determir�the gatfons per fodt che Wnk hotc�. Then d9vide thai <br /> number by 12 to caicutate the gatt�u per fnch. <--- <br /> Radi <br /> � fix X 7.5 gat/ft3 � i2 in/ft = �Gallais per inch <br /> Q. Catcuiate Totni Tu»k Volume <br /> Depth�ran boftan of Pn1et ptpe m tank bottnm: �9 in <br /> i'ocat Tank Volume=Depth ftom bottom of fntet pfpe(Lin+e 4.A)X Gotfom/fnrh (tine 2) <br /> 49 in X 30.5 Gattons Per inch = 149A.5 Galtons <br /> MANUfACTUitER'S SPEC1F1E0 7i+NK CAFAZt7Y{w�fien avaiiabls); <br /> 3. A. Tank Manufacturer: &ovm Wiibert NoLe:DesSgn ca(cuiations <br /> are based on this specific <br /> B. Tank Mafet: tank.Substituting a <br /> different tdnk modei will <br /> C. Capacity fram manufacturer. �� �a4t� change Lhe pump ftoat or <br /> D. GaUuns aer finch from manufacWrer. 3t1.5 Gaiions per inch ti�r settings.ContacY <br /> designer if changes are <br /> E. liq�id depth o€tank from manufatturer: d4.0 inches ��'�ry" <br /> �ETENMiNE DQ51NG YUi.UME <br /> 3. Calcutate Volume to Caver Aump (The iniet qf the pump must be at least 4•inches from the bottbm of <br /> the pump tank 8 2 inches of water coNering the pump is retommended) <br /> (Pump and Mock height+21nChes)X Ga(lau Per/nch {2C or 3E� <br /> ( 15 tn + 2 fnches) X 30.5 Galtau Per incfi - 519 Gattons <br /> 4. M1Mmtmt Pumpout Yo(ume -4 X Yolume of Disttibution Pipltig: 79.2 Gatlons <br /> -U»e 17 af ttre Pressure Distributlon ar LPne t i af Non•tevet <br /> 5. Caiculate Moutmum Pumpout Volume (25%of Oesign Flow) <br /> Design Ftow: 7�i GPD X 0.25 - 187.5 Gailons <br /> 6. Setect a pumpout volepne tAat meets bath items above (Llne 4&5): 187.5 Gatlons <br /> 7. Ca{culate Doses Per D+vy=Design ftow;aosir�y Votume �/O�t!!'Yi�flf(.It�.tl'�Lf 161 <br /> 750 y�pd? 187.5 gel = +1.0 Lb5i�5 <br /> 8. Catcutate Dratnback: / ��� <br /> A. W�rreter of Strpply Pipe� �fnches �'tp@. �:.1t�L1'i i� <br /> B. Length of SupptY Pipe= 120 feet �*���'��� ��C �OOx <br /> C. Vodume af L#qufd Per Uneat Fcvt of�'Pe 6 a.»o r��o��+x {i:n�he'sj �Galt+ans). <br /> D. Dretnback=tenyth o�Supp[Y P9pe X Vaiume of LSqui�Aer Llneal Faot of Plpe � Q.O`;� <br /> azo ft x o.sto gat/ft = Z4.4 �atlorn 1.25 0.078 <br /> 9. Total Dasing Valume=Obsing Yolume plu5 Drafiback 1'� Q'"� <br /> �s�.s gat+ 2Q.4 gai=�.�7caua,s 2 0.170 <br /> 10. Mfnimum Alarm Vr�tume=Depth af alarm(2 or 3 inchesj X gatiorn per inch af tanle � a.�� <br /> �in X ��•� gai/in � 9t.5 Gattons �4 4.661 <br />