Laserfiche WebLink
� OSTP Basic Pump Setection Design ��_ <br /> UVIVERSITY ���� <br /> Minnesota Pollution Worksheet <br /> ContralA enc UF MINNESOTA �=`�...R" <br /> 1, PUMP CAPACITY Project ID: <br /> Pumping to Gravity or Pressure Oistribution: Q Gra��:y '�i;ctessure Setection required <br /> 7. it pumping to gravity enter the gai:on per m�nute of tfie pump: �GPM (f0-45 gpml <br /> 2. �f pumping to a pressunzed du.nbution system: 29.0 GPM <br /> 3. �n;cr pump descnption: <br /> 2. HEAD REQUIREMENTS a�o«�o dx�:��: <br /> A. ElevaL•on Difference j 7 �ft m m <br /> I �ti,�� <br /> between pump and point of discharge: �_ <br /> �-� n•'•.09'�(_- . fbviUM:''• <br /> 8. Distnbution Head Loss: i 5 'ft � � , � ' �n'•""' <br /> j <br /> C. Add,tionatHeadloss: ��ft�a;KccspeaalequiPmentetc.i •.-•-•_-------•••-^--•---....f---------•--- <br /> i <br /> � Table I.Friction Loss in Plastic Pipe per 100ft <br /> - Oistribution H�ad [Ass � <br /> Flow Rate p�pe Diame[er iinchesl <br /> Gravity Distributton = Oft IGPfJ�) 1 1.25 � 1.5 2 <br /> , . ; _ _._ . __. <br /> Pressure Dfstribution based on Minimum Average Nead 10 9.t 3.t 1.3 0.3 <br /> Value on Pressure Dfstributton Worksheet: �Z , 1Z,g q.3 ! 1.8 0.4 <br /> Minimum Avera e Head Distribtrtion Head Loss 14 � 17.0 5.7 2.4 0.6 <br /> 1 ft Sft 16 ; 21.8 �.3 i 3.0 i OJ <br /> 2ft 6ft �g 9.1 i 3.8 � 0.9 <br /> I 5ft 10ft Zp ' 11.1 ; 4.6 1.1 <br /> 25 16.8 ; 6.9 i J <br /> D. L Supply Pipe Diameter. 2.0 in 30 23.5 I 9J , 2.4 <br /> 35 ; t2.9 3.2 <br /> 2.S;�ppiy Pipe Length: 30 f[ 4p ' ; 16.5 ' 4.1 <br /> E. Friction Loss in Plastic Pipe per 100ft from Table I: a5 � , 20.5 5.0 <br /> 50 j ' 6.1 <br /> Fnc:ion Loss= �r 2.23�ft per 700ft oi p:pe 55 � �•3 <br /> 60 � ' 8.6 <br /> p, Determine Equivo(ent Pipe Length from pump discharge[o soil dispersal area discharge 65 i � 10.0 <br /> point. Estimate by adding 25%to supply pipe leng[h for fitting loss. Suppty Pipe LengCh �p ( � 11,4 <br /> (D.2/ X t.25=Equrvalent Pipe Length 75 ( 13.0 <br /> 85 �� I 16.4 <br /> 30 ft X t.25 - 37.5 ft 95 � i Z0.1 <br /> G. taicutate Supply Frtction Loss by mut:iplying Friction Loss Per 700Ji ILine E1 by the Equivolent Pipe Length ILine Fland divide by 100. <br /> Supply Fnction Loss= <br /> 2.23 ft per 100ft X 3� 7.5 ,ft - �00 = 0.8 ft <br /> H• Totcl Heod requuement is the sum of the Etevation Difference 1Line A),the Distnbution Head Loss(Line B1,Additional Head Loss(li�e C1,and <br /> the Suppty Fnction Loss iline G j <br /> 7.0 jft » S.G ft � �ft - ' 0.8 ft = 12.8 ft <br /> 3. PUMP SELECTION <br /> A pump must be selected to deliver at teast 29.Q GPM�Line 1 or�fne 21 with at(east �2,$ feet of total head. <br /> Comments: <br /> � <br /> , <br /> ( <br />