Quantcast Rough-In Measurements

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Table 5-2.—Minimum Size Fixture Supply Fixture Supply  Pipe diameter min. size Water closet (tank type) Water closet Flushometer urinal with flushing  valve Laundry tubs Kitchen  sink Lavatory Slop sink Drinking fountain Shower 1/2 1 3/4 1/2 1/2 1/2 1/2 1/2 1/2 As per the National Standard Plumbing Code, table 5-2 shows the minimum supply pipe diameters. After  roughing-in,  you  can  easily  install  the plumbing fixtures and trim work. Instructions are given here for the installation of various fixtures and accessories. We cannot include every type of fixture you will install; but if you learn to install the fixtures covered in figures 5-1 through 5-6, you should not have any problems with other types. WATER  CLOSETS Water closets come in various shapes, designs, and colors. The device is designed to receive human waste and dispose of the waste properly in a sanitary sewer system.  Most  water  closets  mount  on  the  floor,  but there are models that are wall hung. Modem water closets have various design features which create different flushing actions. To read more on the various designs  and  flushing  action  principles,  see  the publication  titled  Plumbing  Installation  and  Design  by L. V. Ripka. Installation ROUGH-IN  MEASUREMENTS Figures   5-1   through   5-6   show   single-line drawings  of  general  rough-in  measurements  for various   fixtures.   The   figures   show   general measurements and will vary depending on type of fixture and manufacturer. It is your responsibility to identify the fixtures you will be using, so you can obtain the proper rough-in measurements. To install a water closet (fig. 5-7), follow these procedures as a general guide. 1.   Slip the water closet flange over the closet bend and slide it down until it is level with the finish floor. 2.   Prepare the joint for a lead-caulked joint; pour and caulk the water closet flange to the closet bend. Service  connections  for  steam  radiators  depend 3. With hammer and cold chisel, break off the upon the sizes to be installed and location of each. The portion of the closet bend that projects above the water same holds true for water tanks used for storing or closet flange. Do not break the closet bend below the heating. flange. Figure 5-1.—Tank-type water closet. 5-2

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