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Sizing of Dosin�Chamber <br /> Ii __. T <br /> 1. Determuie Surface Area i <br /> Rectanble=Area = L x W W'��' <br /> x = square feet . 1' <br /> Length — <br /> , <br /> Circle= Area =n x (Radius)2 ' <br /> 314 x x = square feet � . <br /> iRadiuc <br /> Other= Get Surface Aiea from Manufacturer i rt=3.14 <br /> square feet �, • j <br /> s <br /> 2. Calculate Gallons Per Inch � w <br /> There are 7.5 gallons per cubic foot of volume, therefore you must multiply the area titnes the <br /> conversion factor and divide by 12 inches per foot to calcul te gallons er inch <br /> Area x 7.5+ 12 / �j�J�YJ�a�'1wv .��i�--��1 <br /> x 7.5+12 = �� gallons/inch �3od a-� �v-�v <br /> Eslima�rd Stwrge Flowa in Gall„ns per d.. <br /> 3. Calculate Gallons to Cover Pump (with 2 inches of water covering pump) — �i --- <br /> ! � Numbrr Type 1 'fype ti 'I)pe III � 't��k <br /> (Height (in) +2 inches) �gallons/inch or � N <br /> � (� + ..� ) x .:a5 =�:3rdo gallons ; t��oo�r�, i <br /> I 2 _"iUU 225-+—'18U-- —�. <br /> j I 3 45Q 3(Xl 2 i 8 t�l'% <br /> 4. Calculate Total Pumpout Volume , a �. s�s :se � ""'" <br /> A. To maximize pump life selec sump size for 4 �d 5 pump operations per day. ��_-> r��t�u�- asu '��a � ""��` <br /> U� <br /> i " 5�� gpd�+-4 = /g� gallons per dose ' � ; �� �x� {�� T>�R' <br /> �� [3. Calculate drainback � s � i'uu 67S �3 � �iu� <br /> �a. Detcrmine total pipe length,"��feet. I ����i�,��,,. <br /> b. Determine liquid volume of pipe,f'��gallons per 100 feet. (see page F-13) ..,.,,,.��.,,K.. ,: �.::� �:,,,.,� <br /> c Mu ti 1 len th b volume: Drainback uantit f '���" <br /> � P Y s Y 9 Y= i.2s r-r� <br /> 7 feet xl'= gallons+ 100 ft. =f,-3 gallons. � � S � �s� <br /> I C. Total,pum p out volume e quals dose volume+drainbac " �.5 `;�'H�� I <br /> l$� gallons per dose + �3 gallons = ��o � Total gallons � �� i I <br /> � 5. Calculate Volume for Alarm (typically 2 to 3 inches) <br /> Depth (in) x�allons/inch = Mr <br /> 3 x �?� _�gallons ��"�, <br /> e. Recommended: ; ���'��;�„' ,�'."�3�� ,;�.' � <br /> [nlet <br /> Calculate Reserve Capacity(75"� the daily flow) P'Pe ; RrserveCapa��ry ' <br /> � <br /> D�ily flow x .75= �J Y�i ; -7� fJc�t ��� <br /> � 5�' x .75= =��-_3 gallons �•a" ,;i� " "' -'�.�51 C�(�IlI7UI"' } + <br /> _ ' ''' ' ` �_._�� <br /> � �, Pumpout V lume : �� f� <br /> 7. Calculate total gallons r I , .�v/'�___� . ....... ;` �J <br /> .. � <br /> gallons over pump +gallons pumpout+gallons alarm+ (gallons reserve) ' � �� c�ft Ca�r�i - <br /> �. <br /> 3 +4 + 5 + 6 � c�y� �µ 3� a PutnE lit tt;} t f� + � �' �i <br /> ��'C��=�o +��_(+ ' )_��Sallons 3�,o�,:,�, '"�"�`� .`,�,.:�_,. � �J <br /> 5� 1t�,T�� � � _ <br /> Tu�L� .—.. _ <br /> h. Tut:�l Dcpth (Tc:al�;allon divided by gallon per inch) <br /> Tutal Gallun=�allon/inch <br /> _ � ��;o — Z� _�L inches ! __ ---- <br /> y. Ploat Separation Distance(equal total pumpout volume) <br /> T<�tal pumpout volume+�allons/inch <br /> 2 v/ + 'Z-: _ � inches <br />