. Instructions for installing modern plumbing systems. an ordinary wood screw. The waste outlet of the sink is intended forconnection to a lead trap in the same manner asexplained in Outfit 42—907SlA. After fixtures are installed, piping must standa pressure of 1 inch on a column of mercury with-out showing any drop for the same period of time. (These tests are made with a mercurial ordinary spring gauge can be used, however,by simply attaching to piping. Gas companies willnot install meters until they have made their owntests.) Obstructions in Pipe All piping must be free from burrs
. Instructions for installing modern plumbing systems. an ordinary wood screw. The waste outlet of the sink is intended forconnection to a lead trap in the same manner asexplained in Outfit 42—907SlA. After fixtures are installed, piping must standa pressure of 1 inch on a column of mercury with-out showing any drop for the same period of time. (These tests are made with a mercurial ordinary spring gauge can be used, however,by simply attaching to piping. Gas companies willnot install meters until they have made their owntests.) Obstructions in Pipe All piping must be free from burrs and otherobstructions. Defective Material Split pipe or fittings repaired with cement orlead must not be used. Calked fittings must notbe used. Material Not Allowed Unions or bushings must not be used in workthat is to be concealed, and cast iron fittings areprohibited in either exposed or concealed work. Capping Outlets All outlets must be securely closed with ironcaps until fixtures or appliances are installed. SEARS, ROEBUCK AND CO., CHICAGO. 29. n-jA udL j£L
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdivisio, bookyear1922
