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SYSTE~ IIYDRAULIC CAILULATION <br /> <br />(vertical elevation difference from tile pun~ ~se <br />to the pressure distribution laterals) <br /> <br />S¥~1'~ ALt ~WANCE <br />(includes distribution pipil~ losses and a 5 foot <br />residual head discharge at tJ3e distributiOn laterals) <br /> <br />10. feet <br /> <br />FRICTION I~_,AD <br />(transport pipe friction loss as result of flow rate) <br /> <br />(a) Calculate Flow Rate' <br />Diameter of orifices = t/~7 indl <br /> <br />Nundoer of orifices <br />Orifice disdmrge rate <br />NXR <br /> <br /> x ,ql <br />(N) (R) <br /> <br />= N <br />= R (see over) <br />= Flow Rate in gallons per minute <br /> <br />(b) Calculate Friction Loss <br /> <br />LengtJl of transport pipe = <br />Friction loss coefficient = <br />LXF = <br /> <br />(L/100 ft) (F) <br /> <br /> F (see over) <br />Friction Head in feet <br /> <br />I' '3 ,~ feet <br /> <br />e <br /> <br />'I~Ti'AL DYNAMIC }{FAD <br />(sum of static head, <br /> friction head) <br /> <br />system~ allowance & <br /> <br />~_~ ft/~DH <br /> <br />BRAND: 0~ ~0 <br />MODEL: ~'" C' C,.,'--:k \, ~ <br />CAPACITY: ~'~ -~ <br /> <br />T~{ <br /> <br />Footnotes <br /> <br />* In absence of specific head loss calculations, use 10 ft. factor <br /> <br /> <br />