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� <br />WATER SUPPLY AND DISTRIBUTION <br />Inch mm TABLE s-4 <br />��2 � 5 Water Supply Pixture Units (WSFU) and Minfmum Fixture Brench Pipe Sizes' <br />3/4 20 <br />� 25 Minimum <br />f��"` Fixture Branch Private Public <br />���- �� Appliances, Appurlenances or Fixtures' Pipe Size" <br />L Bathtub or Combination Bath/Shower (fill) ................................... 1/2" <br />3/4" Bathtub Fill Valve ........................................................... 3/4„ <br />Bidet............................................................................................. 1/2" <br />/ Clothes washer ............................................................................. 1/2" <br />Dental Unit� cuspidor .................................................................... 1/2" <br />� Dishwasher, domeslic .................................................................. 1/2" <br />Drinking Fountain or Watercooler ................................................. 1/2" <br />` Hose Bibb ..................................................................................... 1/2„ <br />Hose Bibb. each additional' .......................................................... 1/2" <br />jLavatory ........................................................................................ 1/2„ <br />Lawn Sprinkler, each head' .......................................................... <br />Mobile Home, each (minimum) ..................................................... <br />Sinks <br />Bar............................................................................................ 7/2�� <br />ClinicFaucet .............................................................................. 1!2„ <br />Clinic Flushometer Valve ........................................................... <br />with or without faucet ............................................................. 7,. <br />� Kitchen� domestic ...................................................................... 1/2�� <br />Laundry..................................................................................... 1/2" <br />Service or Mop Basin ................................................................ t/2�� <br />Washup, each set of faucets ..................................................... 1/2" <br />Shower, per head ......................................................................... 1/2„ <br />Urinal, 1.0 GPF Flushometer Valve .............................................. 3/4" <br />Urinal, greater lhan 1.0 GPF Flushometer Valve ......................... 3/4' <br />Urinal, flush tank ........................................................................... 1/2�� <br />Washfountain, circular spray ........................................................ 3/4" <br />3 Water Closet, 1.fi GPF Gravity Tank ............................................ 1/2" <br />Water Closet, 1.6 GPF Flushometer Tank ................................... 1/2' <br />Water Closet, 1.6 GPF Flushometer Valve .................................. 1' <br />Water Closet, greater ihan 1.6 GPF Gravity Tank ........................ 1/2" <br />Water Closet, greaterthan 1.6 GPF Flushometer Valve .............. i" <br />�( a.o <br />10.0 <br />1.0 <br />k a.o <br />X 1.5 <br />0.5 <br />j( 2.5 <br />1.0 <br />x ,.� <br />1.0 <br />12.0 <br />� <br />4 <br />�• S <br />?. S <br />3 <br />4.0 <br />10.0 <br />4.0 <br />1.0 <br />1.5 <br />0.5 <br />2.5 <br />1.0 <br />,.o <br />1.0 <br />1.0 2.0 <br />3.0 <br />X 1.5 <br />1.5 <br />1.5 <br />/. S <br />2.0 <br />See Foolnote' <br />See Faomote' <br />2.0 <br />X 2.5 7, ,$ <br />2.5 <br />See Footnote' <br />3.0 <br />See Footnote' <br />8.0 <br />1.5 <br />1.5 <br />3.0 <br />2.0 <br />2.0 <br />2.0 <br />4.0 <br />z.s <br />2.5 <br />5.5 <br />Table 6-4 <br />Assembly' <br />0.75 <br />,.o <br />3.0 <br />3.5 <br />3.5 <br />7.0 <br />Notes: � � �� <br />' Size ot the cold branch pipe, or both the hot and cold branch pipes. = 5� <br />' Appliances, Appurtenances or Fixtures not included in this Table may be sized by reference to fixtures having a <br />similar flow rate and frequency of use. <br />' The listed fixture unit values represent their load on their cold water service. The separate cold water and hot water <br />fixture unit value for fixtures having both hot and cold water connections may each be taken as three-quarter ( 3/4) <br />of the listed total value of the fixture. <br />' The listed minimum supply branch pipe sizes for individual (ixtures are the nominal (I.D.) pipe size. <br />' For fixtures or supply connections likely to impose continuous flow demands, determine the required flow in gallons <br />per minute (GPM) and add it separately to the demand (in GPM) tor the distribution system or portions thereof. <br />" Assembly [Public Use (See Table 4-1)j, <br />' When sizing flushometer system� see Section 610.10. <br />° Reduced fixture unit loading for additional hose bibbs as used is lo be used only when sizing total building demand <br />and for pipe sizing when more than one hose bibb is supplied by a segment ot water distributing pipe. The fixture <br />branch to each hose bibb shall be sized on the basis of 2.5 fixture units. <br />ir�ji <br />��3 <br />