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DOSING CHAMBER SIZING <br /> All boxed rectangles must be entered,the rest will be calculated. Width <br /> 1. Determine area <br /> A. Rectangle area=L x W <br /> ft x ft = 0 ft2 a. <br /> B. Circle area=314 x radius2 Length <br /> 3.14 x I eft = 0.0 ft <br /> C. Get area from manufacture ft2 Radiu- <br /> 2, Calculate gallons per inch <br /> There are 7.5 gallons per cubic foot of volume,therefore multiply the area(1A,B or C) <br /> times the conversion factor and divide by 12 inches per foot to calculate gallon per inch. <br /> Surface area x 7.5/12= 0 ft2 x 7.5 / 12in/ft = 21.74 gallon per inch Legal Tank: <br /> 500 gallons or <br /> 3. Calculate total tank volume 100%the daily flow <br /> A. Depth from bottom of inlet pipe to tank bottom 46 in or Alternating Pumps <br /> B. Total tank volume=depth from bottom of inlet pipe to tank bottom(3A)x gal/in(2) ,,.,:6e4Yrwred4lw,apefume in°memper Diw <br /> = 46 in x 21,74 gal/in = 1000.0 gallons niir"►a `�"- <br /> bearoonr t7an 1 am aa„Ur clan rV <br /> XIC1 225 4. Calculate gallons to cover pump(with 2-3 inches of water covering pump) 3 21550 at Ihe <br /> (Pump and block he!ht+2 inches)x gallon per inch " °ep ale Tse va►,as <br /> B 750 450 794 In Mtt <br /> ( 6 + 2 in) x 21.74 gal/in = 173.9 gallons i 4 e 332 <br /> c A,Cos <br /> Of t. <br /> 8 1200 els 405 ccxrrnt.� <br /> 5. Calculate total pumpout volume <br /> A. Select.ump size for 4-5 doses per day. Gallon per dose=gpd(see Figure A-1)/doses per day= <br /> 750 gpd / 1 4 !doses/day = 187.5 gallons <br /> B. Calculate drainback <br /> 1. Determine total pipe length 120.0 ft II <br /> 2. Determine liquid volume of pipe, 0.17 gal/ft(see figure E;-20) ...rr; Vi�lumc of Lid in Pive <br /> 3. Dralnback quantity= 120.0 ft(5B 1) x 0.17 gal/ft(5B2) 20.4 v - qui <br /> C. Total pump out volume=dose volume(5A)+drainback(5B3) Pipu,l)iametcr Gallons per foot <br /> 187.5 gallons+ 20.4 gallons= 207.9 1 0,04.5 <br /> 1.25 0.078 <br /> 6. Calculate float separation distance(using total pumpout volume) 15 0'11 <br /> Total pumpout volume(5C)/gal/inch(2) 2.5 0.25 <br /> 207.9 gal / 21.74 gain = 9.6 inch 3 0•38 <br /> 4 OM <br /> 7. Calculate volume for alarm(typically 2-3 inches) <br /> Alarm depth(inch) x gallon/Inch(2) =1 3 lin x 21.74 gal/in = 65.22 gal <br /> 8. Calculate total gallons=gallons over pump(4)+gallons pumpout(5C)+gallons alarm(7) <br /> 173,9 gal + 207.9 gal + 65.22 gal = 447.0 gal <br /> assssssaa: <br /> 9. Total tank depth=total gallons(B)/gallonhin(2) <br /> 447.0 gallons/ 21.74 gal/in = 20,6 'rrot """"" `G, <br /> alarrr:nn <br /> Recommended _ �� c'.,nsa_r <br /> Calculate reserve capacity(75%of the dailyflow) �`�'-`p.:4A v`14/4, " q <br /> Daily flow x 0.75 = 750 x 0.75= 562.5 gallons ;��jrr.r,.:at �`i •.orrtn_v <br /> ec-rilr•it-- tini H <br /> I her ' tha,t,lavethat completed this work in accordance with all applicable ordinances,rules and laws <br /> .74 //...›0/ (signature) 399 (license#) ##### <br />