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44
Soil pipes.
receptacle and any drain or soil pipe in connection therewith. He
shall not construct or fix in or in connection with the watercloset
apparatus any D trap or other similar trap.
If he shall construct any watercloset or shall fix or fit any trap
to any existing watercloset or in connection with a soil pipe, which
is itself in connection with any other watercloset, he shall cause
the trap of every such watercloset to be ventilated into the open
air at a point as high as the top of the soil pipe, or into the soil
pipe at a point above the highest watercloset connected with such
soil pipe, and so that such ventilating pipe shall have in all parts
an internal diameter of not less than two inches, and shall be connected
with the arm of the soil pipe at a point not less than three
and not more than twelve inches from the highest part of the trap
and on that side of the water seal which is nearest to the soil pipe.
4. Any person who shall provide a soil pipe in connection
with a building to be hereafter erected, shall cause such soil pipe
to be situated outside such building, and any person who shall
provide or construct or refit a soil pipe in connection with an
existing building, shall, whenever practicable, cause such soil pipe to
be situated outside such building, and in all cases where such soil
pipe shall be situated within any building, shall construct such soil
pipe in drawn lead, or of heavy cast iron jointed with molten lead
and properly caulked.

Every person who shall provide a soil pipe outside or
inside a building shall cause such soil pipe to have an
internal diameter of not less than three and a half inches,
and to be continued upwards without diminution of its
diameter, and (except where unavoidable) without any bend
or angle being formed in such soil pipe, to such a height and in
such a position as to afford by means of the open end of such soil
pipe a safe outlet for foul air, and so that such open end shall in
all cases be above the highest part of the roof of the building to
which the soil pipe is attached, and where practicable, be not less
than three feet above any window within twenty feet measured in
a straight line from the open end of such soil pipe.
He shall furnish the open end of such soil pipe with a wireguard
covering, the openings in the meshes of which shall be
equal to not less than the area of the open end of the soil pipe.
In all such cases where he shall connect a lead trap or pipe
with an iron soil pipe or drain he shall insert between such trap