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JUN-12-1998 08:19P FROM: T0:9522494616 P:10�13 <br /> � ; <br /> ONsnre � <br /> � SE'"'w° : DOSING CHAMBER SIZING <br /> TneaTMe� „ <br /> PROGRAM � I <br /> 1. Determu�e acea �d� <br /> A. Rectangle area=L x W <br /> X - square feet I Radius <br /> B. Circle area=p(3.14) x radius in feet x radius in feet <br /> 3.14 x ft x ft= sqft � Length I <br /> C. Get area from manufacturer sqft <br /> 2. Calculate gallons per inch � <br /> There are 7.5 gAllons per cubic foot of volume,therefore multiply the area(lA,B or.C) �,¢gal Tank: <br /> times the.conversion factor and divide by 12 inches per foot to calculate gallo�..per inch. 500 galIDnS OT <br /> Area x 7.5=12= sqft x 7.5=12 in/ft �/�3_gallon per inch 100% the Daily flow <br /> '�.s���� � ,/7.�i� q �..� or <br /> 3. Calculate total tank volume <br /> A. Depth from bottom of inlet pipe to tank bottom �� in Alternating Pumps <br /> S. Total tank volume=depth from bottom o✓inlet pipe to tank bottom(3A)x gal/in(2) <br /> _ �(L�,p )(�gal/in=�,Q,gal A-1: Es16naNd 8ewsp�F7ow�in Gallo�w pa►Ga1r <br /> a r <br /> p�diooms Class 1 Gsss U Class YI Class IV <br /> �. Calculate gaUons to cover pump(with 2-3 inches of water covering pua►p) z 3ao us ,eo sox <br /> (Pum d block height(inch)+2 inch x allon/inch � � 2�e am. <br /> � 37S 256 vaWea <br /> (�in+2 in)x��gal/in= allon s �so 4so zee �nu,� <br /> B 900 425 J92 qau I, <br /> 7 1050 600 970 p,or N <br /> 5. Calcul�fie total pumpout volume s �zoo B�s 4oa eawms, <br /> A. Select pump size for 45 does per day. Gallon per dose= d(see figure A-1) <br /> / doses per day=�C7�gpd=�_doses/day= 2a gaUons <br /> B. Calculate drainback E-20: Volume of Li uid in Pipe <br /> 1. Derermu�e total pipe length��Eeet Pipe Diamete Gallons per foot <br /> 2. Determine liquid volume of pip��gal per ft(see figure E-Z01� <br /> 3. Drainback quanNty��ft(5B])xQ�,Lx gal per ft(5B2)_ ��•7 Q � 0.045 <br /> C. Total pump out volume=dose volume(5A)+drainback(5B3) 1.25 0.078 <br /> �gal + �� 8a1=�Total gallon =�� 0. <br /> .17 <br /> 6.Flo�t separation distance(using total pum out voiume) 2•5 • <br /> Total p pout volume(5C)=gal/inch �� 4 0.68 <br /> 1�a� .. .3�a1/�►_ , inch ���7�� <br /> � <br /> 7. Calculate volume for alarm(typically 2 to 3 inches) <br /> Alarm deptll(inch)x gallon/inch(2)_�_in x �� al/in)_�� ga1 <br /> 8. Calculate tot�l gallan= allons over pump( )+gallons pu-.,,m�o�' t(5C)+gallons alarm(7) � n �� �� <br /> �,�al +��al+�ga1=�Sallons �Q �pJ�l � � � <br /> J 3�� , <br /> 9. Total Tank Depth=total allon(8)-gallon ch(2) ! �� <br /> �S S -�al/in=__��_u► .,.,• .•�,...,.�... _, �fs <br /> in e •. ,. ;. <br /> 12�v 9� ,��.� :r• <br /> a �/ � � es�er,,.�apaqity �,� alarm on <br /> �s(� a�� concro� <br /> Recommeiided: (o�/0 3�� �� - <br /> Calculate reserve ca aci (7�/o the daily flow) pumpout volum j�7q ': pump on <br /> P rY ti„_, ,� -�-—--- - - - <br /> Daily flow x .75 =.��x--� _.�$allons :;; pum off� control <br /> d � <br /> ��- �. r �� a j 0 �� r' .� a� i. <br /> r v� J <br /> I ertity that I have pleted this work in accordance with applieable ordinances, rules and laws. <br /> (signature) �/ 2 (license#) � (dare) <br /> 1 <br />