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SYsteM HYDRAULIC CALCXrEATION <br /> <br />STATIC HEAD <br />(vertical elevation difference f~ the pump base <br />to the pressure distribution late~-als) <br /> <br />SY$~i'AM A~.~ CX4ANCE <br />(includes distribution piping losses and a 5 foot <br />resic~,a] head discharge at the distribution laterals) <br /> <br />FtLIcriON PIE~D <br />,(tranmport pipe friction less ~s result of flow rata) <br /> <br />10' <br /> <br />(a) Calculata Flow Rate <br />Diameter of orifices = ~" inch <br /> <br />Number of orifices = N <br />Orifice ~2u~rge rate = R (see over) <br />N X R = Flow Rate in gallons per minute <br /> <br />(N) (R) <br /> <br />(b) Calculate Friction Loss <br /> <br />I~ of transport pipe = L //,,0 ' <br />Friction loss coefficient = F (see over) <br />L X F = Friction Head in feet <br /> <br /> t~' Ft. x , I q = ,030 <br />(L/100 ft) (F) ~ <br /> <br />TOTAL DYNAMIC HEAD <br />(sum of static head, system allowance & <br /> friction head) <br /> <br />HYDRAULIC SPECIFICATIONS <br /> .e ~ <br /> <br />* In absence of specific head loss calculations, use 10 ft. factor <br /> <br />feet <br /> <br />feet <br /> <br />feet <br /> <br />ft/T~ <br /> <br /> <br />