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DOSING CHAMBER SIZING <br /> � ! i <br /> � ; <br /> �,����n <br /> 1. Deternline area ; <br /> A. Rectangle area = L x W ' ' � <br /> � , <br /> x - square Eeet � — <br /> B. Cir�le area =�(3.1-�) x radius in reet x radius in reet --�t"`:" , � <br /> 3.1� x tt x ft= sqft , <br /> C. Get area from manufacturer sqft ! Radius <br /> � `__T.� <br /> i <br /> 2. Calculate gallons per inch <br /> Tlleie are 7.5 gallons per cubic foot of volume, therefore multiply the area (1A, B or C) <br /> times the con�-ersion factor and divide by 12 inches per root to calcLilate gallon per inch. <br /> Area x 7.�= 12 = sqft x i.� = 12 in/Et = galton per inch <br /> Legal Tnnl�: <br /> 3. Calculate total tank volume �QQ�(�jj0315 O1' <br /> A. Depth rrom bottom of inlet pipe to tank bottom in <br /> B. Total tank��olume = depth fram bottoin of inlet pipe to tank hottom (3A)x gal/u� (2) 100 io tlie Dail�flozv <br /> = in x gal/in = gal Or <br /> Alternctting Piintps <br /> 4. Calculate gallons to cover pump(with 2-3 inches of cvater co�-erin��ump) <br /> (Pump and block height (inch) +2 inch) x gallon/'vzch A-1: EsiimatedSewageHowsinGallonsperpoy <br /> ( in +2 in) x gal/in =�allon numberof <br /> bedrooms Ciass i Class II Cbu ill Clau IV <br /> :?. Calculate total ptimpout��olume � 300 �5 l80 tUh <br /> A. Select pump size for=�-5 does per day. Gallon pec dose = gpd (see figure A-1) 3 ;� ;+QO 218 cithe <br /> / doses per day=��__Q__�pd =_�dosesl da�' _ /_5�� gallons 4 CCO 315 ?55 vclu2s <br /> B. Calculate drainback _ 5 1S0 450 294 in'the <br /> 1. Determi�le totai pipe lengtl�,,�.�U feet 6 4� 525 332 Clossl, <br /> ?. Determine liquid volumP of pipe,�Z gal per ft(see fisure E-?U). 1 i050 6(� 370 Ilalll <br /> 3. Drainback quantity=�U ft (�B1) x .�gal per ft (5B2)_�B_gal b ?2(� ( b)S �S coN��s <br /> C. Total pump out volume = dose volume��A) +drainback (5R3} <br /> /,�O gat+ ___�`__�a1=_�_Total galion E-20: Volume of Liquid in Pipe <br /> 6. Float separation distance(using total pumpout volume) Pipe Diameter� Gallons per foot <br /> Totai pumpout votume (5C)=gal/ir�ch (2) � � � <br /> _gal= gal/in= inch 1 0.04� <br /> Iz� o.o�s <br /> 7. Calculate volume for alarm (typicaliy 2 to 3 inches) 1.5 0.11 <br /> Alarm depth (inch) x gallon/inch (2) = in x gal/in)= gal 2 �.1� <br /> 2.5 0.25 <br /> 8. Calculate total gallon =gallons over pump {4) + gallons pumpout (5C)+ gallons alarm (7) 3 0.38 <br /> _gal � �al + gal = _galtons 4 0.66 <br /> 9. Total Tank Depth = total�allon (8)=gallon/v�ch (2} �"'���'���"y�• <br /> gal�- eal/in = in .. ;• ^•; t, <br /> � :r('� � '��^J.-.""'Y,l,:':�AA: Y;i; <br /> � '�:.}'r:, '� <br /> �:,. .�,.����.;.�i ��� �r <br /> inlet �-� �. . ..... ..--- �, <br /> t;.. � <br /> Recommended: ���e 'µ�t eserve capacity :.i <br /> alarm or <br /> Calculate reserve capacity (75% the daily flow) ``'• _ _ _ _ _ _ _ _�`•' control <br /> Daily flow x .75 = �•� x .75 = '� gallons pumpout volume � <br /> .,.. <br /> - . E:t�--- ------------- - `� pump on <br /> �,c�� �f �s-D - io� �,�l�i-� �`' pump off� --- ;.:� control <br /> ��i // E±;- control s.,,,,, << <br /> U� !� � ��"G�B� 1 ce.w t�- • :�*'1 . •;��f�',:.t�� • ' � 1 ;ri <br /> .S i'7::�r.' ";�2.�t:i57 Yi'iy1•Y�'�1•-�'T <br /> I hereby certify that I have completed this��ork ir�accordance with applicable ordinances, rules and laws. <br /> (signature) (license#) _ (dale) <br />