10-inch pipe 45 pounds per foot.
12-inch pipe 54 pounds per foot.

All cast-iron pipe must be tested to 50 pounds and marked with
the maker's name.

All joints in cast-iron pipe must be made with picked oakum
and molten lead and caulked gas-tight. Twelve ounces of soft
pig lead must be used at each joint for each inch in the
diameter of the pipe.

SEC. 10. WROUGHT-IRON AND STEEL PIPE.--All wrought-iron and
steel pipe shall be galvanized. Fittings used for drainage
must be galvanized and of recess type known as drainage
fittings. All fittings used for venting shall be galvanized
and of the style known as steam pattern. No plain black pipe
or fittings will be permitted.

SEC. 11. SUB-SOIL DRAINS.--Sub-soil drains must be discharged
into a sump or receiving tank, the contents of which must be
lifted and discharged into the drainage system above the
cellar floor by some approved method. Where directly
sewer-connected, they must be cut off from the rest of the
building and plumbing system by a brass flap valve on the
inlet to the catch basin and the trap on the drain from the
catch basin must be water-supplied.

SEC. 12. YARD AND AREA DRAINS.--All yard, area and court
drains when sewer-connected must have connection not less than
4 inches in diameter. They should be controlled by one
trap--the leader trap if possible. All yards, areas and courts
must be drained. Tenement houses and lodging houses must have
yards, areas and courts drained into sewer.

SEC. 13. USE OF OLD DRAINS AND SEWERS.--Old house drains and
sewers may be used in connection with new buildings or new
plumbing, only when they are found, on examination by the
department of building, to conform in all respects to the
requirements governing new sewers and drains. All extensions
to old house drains must be of extra heavy cast-iron pipe.

SEC. 14. LEADER PIPES.--All building shall be provided with
proper metallic leaders for conducting water from the roofs in
such manner as shall protect the walls and foundations of such
buildings from injury. In no case shall the water from such
leaders be allowed to flow upon the sidewalk but the same
shall be conducted by a pipe or pipes to the sewer. If there
is no sewer in the street upon which such building fr