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SYb2~ kSTF~ULIC CALCUIm~ION <br /> <br />(vertical elevation difference f~n the pump base <br />to the pressure distribution latarals) <br /> <br />feet <br /> <br />SYSTSM ~CE <br />(in¢lude~ disr_ribution pipir~3 losses and a 5 foot <br />residual head discharge at the distribution laterals) <br /> <br />10- <br /> <br />feet <br /> <br />FRICTION HEAD <br />(transport pipe friction loss as result of flow ~ate) <br /> <br />(a) Calculate Flow Rata~ <br />Diameter of orifice~ = /~ inch <br /> <br />Number of orifices = N ~ ~ <br />Orifice d/scharge rate = R (~ee over) <br />N X R = Flow Rate in gallons per minute <br /> <br /> (N) (R) <br /> <br />(b) Calculate Friction <br /> <br />Imngth of transport pipe <br />Friction lo~s coefficient <br />LXF <br /> <br />(L/lO0 ft) <br /> <br /> F: (see over) <br />Friction Head in ~eet <br /> <br />TOTAL DYNAMIC HEAD <br />(sum of static head, system allowance & <br /> <br />T~H @ ~ GPM, & <br /> <br />~ ft/T1:l-I <br /> <br />* In absence of specific head loss calculations, use 10 ~t. factor <br /> <br /> <br />