Laserfiche WebLink
Sizing of Dosing Chamber <br /> i <br /> 1. Determine Surface Area T <br /> Rectangle=Area= L x W ' idth <br /> x 7.5 = '2,5'square feetL <br /> �--- ---ilwngtb � <br /> Circle= Area = n x (Radius) <br /> 3.14 x x = square feet <br /> (--- Radius <br /> Other=Get Surface Area from Manufacturer n= 3.14 <br /> square feet <br /> 2. Calculate Gallons Per Inch <br /> There are 7.5 gallons per cubic foot of volume, therefore you must multiply the area times the <br /> conversion factor and divide by 12 inches per foot to calculate gallons per inch <br /> Areax7.5+ 12 <br /> 3 96— x 7.5 +12' = a3.(/gallons/inch <br /> Estimated Sewage Flows in Gallons per day <br /> 3. Calculate Galons to Cover Pump (with 2 inches of water covering pump) ti:Pd) <br /> (Height(in)—2 inches) x gallons/inch Ntunter Type 1 Type!' type m Type <br /> ( I`/ + 2 )x 23,V = ',3'.1.5"gallons Bedroom' <br /> 2 300 225 180 n <br /> m <br /> 4. Calculate Total Pupout Volume 3 Oso 300 218 •rthe <br /> 4 600 A. To maximize pump life select sump size for 4 to 5 pump operations per day. s Iso 4504 "L <br /> O ) 0 gpd +4 = / i gallons per dose . 6 900 525 332 r,�e i <br /> B. Calculate crainback 8 l2co 675 470 0 lor <br /> • � 8 1200 675 a08 m <br /> a. Determine total pipe length, ,5'0 feet. i ZOIUM115 <br /> b. Determine liquid volume of pipe, firs" gallons per 100 feet. (see page F-19) ape"°` <br /> c. Multiply length by volume: Drainback quantity = 1 7 77 <br /> . S 1 feet x i 7t{gallons+ 100 ft. = '.:1 gallons. 1.5 10.58 <br /> C. Total pump out volume equals dose volume +drainback z 17 43 <br /> 2S 24.87 <br /> /5-0 gaLons per dose + 9 gallons = /..5-(i Total gallons 3 38 4 <br /> 3 661 <br /> 5. Calculate Volume for Alarm (typically 2 to 3 inches) <br /> De th(in) x gallons/inch = <br /> x 2Siq = 4/7 gallons .4..•,., .�::;�5 <br /> • i?: <br /> �6. Recommended: Q wet -•. <br /> Calculate Reserve Capacity(75% the daily flow) pipe '.FResew .,. <br /> Daily flow x.75= �w'.: patio/ <br /> 'O ) x .75 = 445-0 gallons '/ on Control <br /> 445-0 <br /> .: .0 <br /> 7. Calculate total gallons1. <br /> Pumpout Volume ?'.I ; ; <br /> gallons over pump+gallons pumpout +gallons alarm+ (gallons reserve) :ri Off Conerot ' — <br /> 3+4+5+t, 4,. S <br /> P <br /> 3 73^+ /59 + I/ (+ `1,5-0 )=10 3 I gallons • <br /> 8. Total Depth (Total gallon divided by gallon per inch) <br /> Total Gallon+gallon/inch <br /> 031 1 + 03 iv _ 4/y inches <br /> 9. Float Separation Distance (equal total pumpout volume) <br /> Total pumpout volume,-gallons/inch <br /> / +2'eY= ? inches <br />