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2007-P11314 - new septic
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2007-P11314 - new septic
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Last modified
8/22/2023 4:40:44 PM
Creation date
11/4/2019 9:56:05 AM
Metadata
Fields
Template:
x Address Old
House Number
3855
Street Name
Watertown
Street Type
Road
Address
3855 Watertown Road
Document Type
Septic
PIN
3211823330004
Supplemental fields
ProcessedPID
Updated
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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 Oft = 0 ft, Length <br /> B. Circle area=3.14 x radius <br /> 3.14 x = <br /> 2 ft = 0.0 ft2 <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 ft x 7.5 / 12in/ft = 21 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 47 in or Alternating Pumps <br /> B. Total tank volume=depth from bottom of inlet pipe to tank bottom(3A)x gal/in(2) ,41;Eslirrmolecl Sewage Fo"in Ckgons per oa; <br /> = 47 in x 21 galrn = 987.0 gallons rxzTlbff of <br /> ee*owm Closs I Class 11 Clow 111 Class IV <br /> 4. Calculate gallons to cover pump(with 2-3 inches of water covering pump) s 450 33000 2188 ofihe <br /> (PumpPum and block he' ht+2 inches x gallon per inch 4 750 370 256 values <br /> ) 9 P s Iso Oso 294 in the <br /> ( 12 + 2 in) x 21 gal/in = 294.0 gallons 6 900 525 332 Cross I. <br /> 7 1050 600 370 N,or III <br /> 8 1200 675 408 cciurms. <br /> 5. Calculate total pumpout volume <br /> A. Select pump size for 4-5 doses per day. Gallon per dose=gpd(see Figure A-1)/doses per day= <br /> 600 gpd / rdoses/day = 150 gallons <br /> B. Calculate drainback <br /> 1. Determine total pipe length 150.0 It <br /> 2. Determine liquid volume of pipe,1 0.17 gal/ft(see figure E-20) <br /> 3. Drainback quantity= 150.0 ft(561) x 0.17 gal/ft(5B2) 25.5 v Pipe. volume or Li win in e <br /> C. Total pump out volume=dose volume(5A)+drainback(5B3) Pip Inches eter Gallons per foot <br /> Inches <br /> 150 gallons+ 25.5 gallons= 175.5 1 0.045 <br /> 1.25 0.078 <br /> 1.5 0.11 <br /> 6. Calculate float separation distance(using total pumpout volume) 2 0.17 <br /> Total pumpout volume(5C)/galfinch(2) 1 2.5 0.25 <br /> 175.5 gal / 21 gal/in = 8.4 inch 4 0.38 <br /> 0.66 <br /> 7. Calculate volume for alarm(typically 2-3 inches <br /> Alarm depth(inch) x gallonAnch(2) =L 3 lin x 21 gal/in = 63 gal <br /> 8. Calculate total gallons=gallons over pump(4)+gallons pumpout(5C)+gallons alarm(7) <br /> 294.0 gal + 175.5 gal + 63 gal = 532.5 gal <br /> 9. Total tank depth=total gallons(8)/gallon/in(2) < <br /> 532.5 gallons/ 21 gal/in = 25.4 A r l<< <br /> ct al,Tm-'-n <br /> Recommended € _____-_ c�nllc+ <br /> �urn��ul •:arn�f <br /> Calculate reserve capacity(75%of the daily flow) _.F............. Hp Trip.gin <br /> Dail flow x 0.75 = 600 x 0.75= 450 gallons r,,m��off t nrn_1 <br /> ccnrnV'' <br /> 7mature) <br /> this work in accordance with all applicable ordinances,rules and la <br /> y�S V� (license#) (date) <br />
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