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STATIC HEAD <br />(varti~ elevation differenc~ fr~m Um pu~o base <br />to the pressure distributic~ latezals) <br /> <br />SYST~ ~ <br />(includ~s distribution piping lo~e~ and a 5 foot <br />residual head a~bal~e at the distri~ution laterals) <br /> <br />FRICTION HEAD <br />.~transport pi~e ~rict/O~,~osS aS re~lt of flow <br /> <br />feet <br /> <br />(a) Calcula~ Flow <br />Diameter of orifices = Y~ inch <br />Number of orlfi~ = N <br /> <br /> (N) (~) ..,,. .--. <br /> <br />(b) ~l~a~ ~i~ <br /> <br />~i~ion 1~ ~ffioi~t = F (~ ~) --- <br />L X F = ~i~i~ ~d ~ f~t <br /> <br />TOTAL DYNAMIC ~ <br />(~um of static head, system allowance & <br /> frictio~ head) <br /> <br />5. HYD~U~rLYC SPECIFICATIONS <br /> <br />~ ft/T~H <br /> <br />* In ak~ence of specific p~8 1~ calculations, us~ 10 ft. factor <br /> <br /> <br />