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DOSING CHAMBER SI21NG <br /> w��cn <br /> 1. Detertnine area <br /> A. Rectangle area=L x W <br /> 0 ft x �ft = 0 ft Length <br /> B. Cirde area=3.14 x radius� <br /> 3.14 x 'ft = ft <br /> C. Get area from manufacture fl Radius <br /> 2. Calalate gallons per inch <br /> There are 7.5 galons per abic foot of vdume,therefore mulbply the area(1q B or C) <br /> 6mes the conversion facta and divide by 12 inches per foot to cala�ate gallon per inch. <br /> Surface area x 7.5 I 12= ft x 7.5 I 12inlft = 6.9 gallan pet inch Legal Tenk: <br /> 5Q0 gallons or <br /> 3. cala,late total rank vdume 100%the deify flow <br /> A. Depth fran battan o(inlet pipe to tank bottom = 64 in or AlternaUng Pumps <br /> B. Total tank vdume=depTh from bottan ot inlet pipe to tank bottan(3A)x g�n(2) <br /> = 64 in x 6.9 gaUn = 441.6 gallons <br /> 4. Cekxrete gallons to oorer pump(wdh 2�inches ot weter covering pump) <br /> (P�mp and blodc h � ht+2 inches)x gallan per inch <br /> (�+ 2 in) x 6.9 gaUn = 27.6 gallons <br /> 5. Cala�fate tolsl pumpout volume <br /> A Select size for 45 doses d Gallon dose=gpd(see Fip�ue A-1 J I doses per dey= <br /> 3pp n gpd / ef �5 �doseslday = 60 gallans <br /> A-1 Et�n�Eed&wape Flows In GPD E•20 Volume of Liqufd in Pipe <br /> Num6er ol Pipe Diameter Liquid per fioot <br /> Bedrooms Class I Clpss II Class III Class IV inches Ilons <br /> 2 3U0 225 180 60°�ot 1 0.045 <br /> 3 450 300 216 tlie 1.25 0.078 <br /> 4 600 375 256 values 1.5 0.110 <br /> 5 750 450 294 n the 2 0.170 <br /> 6 900 525 332 Class I, 2.5 0.250 <br /> 7 1050 6� 370 II a II 3 0.360 <br /> B 1200 675 408 cdumns 4 0.660 <br /> B. Calalate drainback <br /> 1. Detertnine tatal pipe lergth 80.0 ft <br /> 2. Detennine liquid volume of pipe, 0.17 gaVft(see figure E-20) � <br /> 3. Draiibedc quandry= 80.0 ft(561)x 0.17 gallft(5B2)= 13.6 9� I rl�i """"""' <br /> C. Tdsl punp out vdume=dose volume(5A)+drainback(563) �y�� �` <br /> 60 gallons+ 13.fi gallons= 73.6 ga1 « <br /> �_+�1=ry:.iiV <br /> 6. Calalate float seperafion distence(using total pumpout vGume) � <br /> Totalpumpoutvdume(SC)/gaUnch(2) €€.....�.. �..--- ••--- �- : <br /> 73.6 gal / 6.9 gaUn = 10.7 inch « ' urri��f1" � <br /> c��nttd -. <br /> �€ <br /> 7. Celculete vdume for alarm(rypically 2-3 inches) <br /> Alartn depth(inch) x gall�nch(2) = �in x 6.9 galfin = 27.6 gal <br /> 9. Celalete t�el gellons=gallons over pump(4)t galla�s pumpout(SC)+gallons alarm(7) <br /> 27.6 gal + 73.6 gel + 27.6 gal = 128.8 gal <br /> 9. Totel fenk depth=total gallons(8)/gall�n(2) <br /> 128.8 gallons/ 6.9 gaUn = 18.7 in <br /> Recommended <br /> Calculete reserve capaaly(7596 ot fhe deily flow) <br /> Dail flow x 0.75 = 300 x 0.75= 225 a�lons <br /> Page 1 of 1 <br />