Laserfiche WebLink
_ _ OSTP Basic Pump Selection Design r}�; �.�..�.,� <br /> �J �"�' tTNIVERSITY �;._ `�`="��;;_;�, <br /> Minnesota Pollution Worksheet OF MINNESOTA;-::�°�_.�"'"ti <br /> Control A en ���- <br /> 1. PUAAP CAPACITY Project ID: v 11.09Z2 <br /> Pumping to Gravity or Preswre Distributian: O �e�t' O�'�+� �lection required 2 <br /> 1. if pumpir�to grav(ty enter the gallon per minute ot the pump: �GPM (f0-45 gpm) <br /> 2. If pumping to a pressurized distribution system: 36.0 GPM <br /> (IJrEe i f of Ptes�re Dlstrifwdon) <br /> &poinc ot�fcharqn <br /> 2. HEAD REQUIREMENTS '" � <br /> ����` <br /> A. Etevation Difference 11 ft <br /> betwreen pump and paint of discharge: �`P`'� a,�,�'�I <br /> ---- - <br /> B, Distribution Head Loss: ��ft -�_,_ <br /> ----------------------------- -------------- <br /> C. Additional Head Loss: �ft(due to speCial equipment,etc.) <br /> Table I.Friction Loss in Plastic Pipe cr 900it <br /> Distribution Head Loss Pi e Diameter(inche5) <br /> Gravity Distribution = Oft Flow Rate <br /> (GPM) 1 1.25 1.5 2 <br /> Pressure D9stribution based on Minimum Average Head 10 9.1 3.1 1.3 0.3 <br /> Vatue on Pressu�e Distribut9on Worksheet: 12 1Z.8 4.3 9.8 0.4 <br /> fMinimum Avera e Head Distribution Head Loss 14 17.0 5.7 2.4 0.6 <br /> 9ft 5ft 16 21.8 7.3 3.Q 0.7 <br /> 2ft 6ft �g 9.1 3.8 0.9 <br /> 5ft 1 Oft 20 11.1 4.b 1.1 <br /> 25 16.8 6.9 1.7 <br /> D. 1.SupplY PiI�D�lameter: 2.0 in 30 23.5 9.7 2.4 <br /> 35 12.9 3.2 <br /> 2.Supply Pipe Length: 30 ft 4p 16.5 4.1 <br /> E. FricHan L�s in Plastic Pipe per 100ft from Tabte I: 45 20.S 5.0 <br /> 50 6.1 <br /> FricCion L�.c= 3,32 ft per 1�ft of pipe 55 7.3 <br /> 60 8.6 <br /> F. Determine Equivalent Pl�Length from pump discharge to soit dfispersat area dischar�e 65 10.0 <br /> poirtt. Estimate by addir�g 25%to suppty pipe lenQth for fitHnQ loss. SuRP�Y�Pe�e►►Sth 70 11.4 <br /> (D.2}X 1.25=Equivalent Pi�Length 75 13.0 <br /> 85 16.4 <br /> 30 ft X 1.25 = 37.5 ft 95 20.1 <br /> G. Calculate Supply Frlctton Lou by multiplyir►g Frlctlon Loss Per 1�ft (Line E)by the Equivalent Pfpe Length (Line�and divide by 1�. <br /> Supply Friction Lass= <br /> 3.32 ft per 100ft X 37.5 ft �- 1� = 1.Z ft <br /> H• Total Hevd requ9rement is the sum of the Elevation Difference (Line A),the Distribution Head Loss(L9ne Bj,Additionat Head Loss(Line C),and the <br /> Supply Frtction I..�s(Line G) <br /> 11,0 ft + 5.0 ft + �ft + 1.2 ft = 17.2 ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to detiver at least 3(> GPM(Line 1 or Line 2)with at least �8 f�t of total head. <br /> Comments: <br />