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If the building is six (6) and less than twelve (12) stories
in height, the diameter shall not be less than 5 inches. If
more than twelve (12) it shall be 6 inches, in diameter. A
building six (6) or more stories in height, with fixtures
located below the sixth floor, soil pipe 4 inches in diameter
will be allowed to extend through the roof provided the
number of fixtures does not exceed the number given in the
table. All soil pipes must extend at least 2 feet above the
highest window, and must not be reduced in size. Traps will
not be permitted on main, vertical, soil or waste-pipe lines.
Each house must have a separate line of soil and vent pipes.
No soil or waste line shall be constructed on the outside of a
building.
Fixtures with:
1 to 1-1/4-inch traps count as one fixture.
1 to 1-1/2 " traps count as one fixture.
1 to 2 " traps count as two fixtures.
1 to 2-1/2 " traps count as three fixtures.
1 to 3 " traps (water closets) count as four fixtures.
1 to 4 " traps count as five fixtures.
SEC. 17. CHANGE IN DIRECTION.--All sewer, soil, and waste
pipes must be as direct as possible. Changes in direction must
be made with "Y"- or half "Y"-branches or one-eighth bends.
Offsets in soil or waste pipes will not be permitted when they
can be avoided, nor, in any case unless suitable provision is
made to prevent the accumulation of rust or other obstruction.
Offsets must be made with fourth degree bends or similar
fittings. The use of T "Y"s (sanitary Ts) will be permitted on
upright lines only.
SEC. 18. JOINTS ON SOIL AND WASTE PIPES.--Connection on lead
and cast-iron pipe shall be made with brass sleeve or ferrule,
of the same size as the lead pipe inserted in the hub of the
iron pipe, and caulked with lead. The lead must be attached to
the ferrule by means of a wiped joint. Joints between lead and
wrought-iron pipes must be made with brass nipple, of same
size as lead pipe. The lead pipe must be attached to the brass
nipple by means of a wiped joint. All connections of lead
waste pipes must be made by means of wiped joints.
Short nipples on wrought-iron and steel pipes must be of
thickness and weight kn
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