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SYST, EM~HYDRAUI~IC CALCULATIONS <br /> <br />STATIC HEAD: <br />(vemcal elevation &ffer~nce from the pump <br />base to the pressure dlstnbuuon atera s) <br /> <br />(ineludes di~ibUtion~ piping l~sses and a 5 foot <br />residual head at diseh~3:b'fS~[i~vffU~n,p{pin~) <br /> <br />(~sP°rt Pi~ ~%fion l°ss from flow rate) <br /> <br />(~) CALCULATE FIX)W PATE: <br /> Dmmcter of orifices = <br /> Number of or/flees 0q) : = <br /> Orifice Disch~e Rate (R) = <br /> <br />_///~' inch <br />, q'/ (see over) <br /> <br />Co) <br /> <br />NxR = <br /> <br />Flow Rate (GAr,IONS pER MIMD'r~:) <br /> = ~_,7,., ?b GPM <br /> <br />CALCULATE FRICTION LOSS: <br />jI?enfith of mmspgrt pipe (L) = <br />FHcfiOn loss coefficient (F) = <br /> <br />feet , <br /> oveO <br /> <br />__L__ x F = <br />100 <br /> <br />Friction Head loss in feet <br /> <br /> ioo) <br /> <br />3ff)T~AL DYNAlVlIC HEAD: <br />(sum of static head, system allowance <br />and friction head) <br /> <br />HYDPAULIC SPECI~CATIOIV$: <br /> <br />PUMP DUTY: 9,~, q~ GPM (~ <br />BRAND: O ,~ Cht ~O <br /> <br />MODEL: <br /> <br />CAPACITY: <br /> <br />t~ 5 $~0 6//; HORSEPOWER: /,z~ <br /> 5 ~, 'b TDH ~ ,7.2, q~ GPM, and <br /> ~..2 .qL GPM~ ~3,'~ TDH <br /> <br />*In the absence of specific head loss calculations, use I0 feet. <br /> <br />feet <br /> <br />10* feet <br /> <br />FEET <br /> <br />MC15-S15 <br />Rev. 4/98 <br /> <br />Marion County Building Inspection <br />3150 Lancaster Dn NE~ Suite C <br />Salem, Oregon 97305-1398 <br /> Ph. 588-5147 <br /> <br /> <br />