The Saint Paul globe. (St. Paul, Minn.) 1896-1905, 1901-08-30

ed with the house drain. Said outlet
pipe shall be provided with back press
ure valve or stop cock, size to be not
less than three inches.
Sec. 233. Soil and Waste Pipes
All main, soil, waste, or vent pipes must
be OF iron, steel or brass.
Wnen they receive the discharge of any
fixtures on any floor above the first thew
must be extended in full calibre at least
one foot above the highest window in any
pitched roof and eighteen inches above
any fiat roof. When less than four
inches In diameter they must be enlarg-
ed to four inches at a point not less than
one foot below the roof surface by an
1ncreaser not less than nine inches long
NO caps, cowls or bends shall be af-
fixed to the top of such pipe
Soil and waste pipes must have proper
branches or sanitary tees for all
fixture connections. No connection to
lead branches for water closets or slop
quired branch vent
Branch soil and waste pipe must have
fall OF at least one-quarter of an inch
per foot.
Short ''TY'' branches will be permitted
on vertical lines only. Long one-quarter
bends and long ''TY's" are permitted
Short one-quarter bends and double hubs;
short roof increasers and bands and sad
dies are prohibited
The diameter of soil and waste pipes
must be not less than those given in the
following table:
Main soil pipes, 4 inches
Branch soil pipes, 4 inches
Main soil pipes for water closets on
nYe or more floors inches
Main waste pipes, 2 inches
Main waste pipes for kitchen sinks on
five or more floors, inches.
Branch waste pipes for laundry tubs,
IL inches.
Branch wastes for kitchen sinks, IA
inches.
Branch wastes for urinals, ~ inches.
Branch waste for other fixtures, IA
inches.
Sec. 234. Vent Pipes
All traps must be protected from sy-
phonage and back pressure, and the
drainage system ventilated by special
lines Of vent pipes.
All vent pipe lines and main branches
must be of iron, steel or brass. They
must be increased in diameter and ex-
tended above the roof as required for
waste pipes Phey must be connected
with adjoining soil or waste line well
above the highest fixture but this will
not be permitted where there are other
fixtures on more than six floors. All
lines must be connected at the bottom
with soil or waste pipe or the drain in
such manner as to prevent the accu-
mutation of rust or scale.
Branch vent pipes should be kept above
the top of all connecting fixtures, to
prevent the use of vent pipes as soil or
waste pipes. Branch vent pipes should
be connected as near the crown of the
trap as possible.
EarthenWare traps for water closets
and slop sinks must be ventilated from
the branch soil or waste pipe just below
the trap, and this branch vent pipe must
be so connected as to prevent obstruc-
ton, and no waste pipe connected be-
tween 1t and the fixture. EarthenWare
traps must have no vent horns.
No sheet metal, brick or other fue
shall be used as a vent pipe.
The size of mines throughout
must not be less than the following:
For vent pipes outside of water closets,
shall not be less than one and one-quar-
ter inches for twenty feet; one and one
half inches for thirty additional feet; two
inches for forty additional feet; and three
inches for sixty additional feet. When
two fixtures connect into one vent, such
connections shall be of not less than one
and one-half inch pipe; where three or
more fixtures connect, such connections
shall be not less than two-inch pipe; but
air pipes for water closet traps shall not
be less than two-inch bore for forty feet
or less. and of not less than three-nch
bore for more than sixty feet or less.
Sec. 235. Traps
Every fixture must be separately trap
ped by a water sealing trap placed as
close to the fixture outlet as possible.
set of wash trays may connect with
single trap, or into the trap Ofean adj
joining sink provided, that both sink
side of the waste line, and the sink is
nearest the line. When so connected,
the waste pipe from the wash trays must
not pass through more than one trap
before reaching the house drain. All
traps must be well supported and set
true with respect to their water levels.
All fixtures other than water closet
and urinals, must have strong metallic
strainers or bars over the outlets to
prevent obstruction of waste pipe.
All exposed or accessible traps, except
water closet traps, must have brass trap
screws for cleaning the trap, placed OF
the inlet side. or below the water level.
All iron traps for house drain, yard
or other drains, and leaders, must be
traps with hand-hole cleanouts, and or
full size of the traps when the same are
less than five inches. All traps under
ground must be made accessible by man
holes with proper covers.
Overflow pipes from fixtures must in all
cases be connected on the inlet side or
tho traps.
All earthenware traps must have heavy
brass floor plates Soldered to the lead
bends and bolted to the trap fange, ana
the joint made tight. No putty or plas-
ter shall be used. No trap shall De
placed at the foot of the main soil and
waste pipe lines. The size of the traps
must not be less than the size of the
branch wastes. Traps for leaders, areas,
floor and other drains, must be at least
three inches in diameter.
Grease traps shall be constructed I'M
taurant or other public institution where
cooking is done.
Traps of bath tubs must be placed in
such manner that the clean-Out is In
plain view and flush with the floor.
Sec. 236. Safe and Refrigerator
Waste Pipes
Safe and refrigerator waste pipes must
be of galvanized iron, and not be less
than one inch in diameter, with lead
branches of the same size.
Sec. 237. Drip and Overflow Pipes
Drip and overflow pipes from safes
under water closets and other fixtures,
horizontal water pipes or from tanks or
cistern, shall be run to some place in
open sight, and in no such case shall any
such pipe be connected directly with the
drain, waste pipe or soil pipe.
The branch or vertical line must be by
'Y'' fittings, and be carried up to the
safe with as much pitch as possible.
Lead safes must be graded and neatly
turned over bevel strips at their edges.
Where there is an ofest on refrigerator
waste pipe in the cellar, there must be
cleanouts to control the horizontal part
of the pipe.
Sec. 23S. Ventilation
In tenement houses and lodging houses
a water closet and urinal apartment
must have a window opening to the outer
air, except that tenement or lodging
house three stories or less in height,
may have such window opening on a
ventilation shaft not less than ten square
feet in area.
In all buildings the outside partitions or
such apartment must extend to the cell
ing or be Independently ceiled over and
these partitions must be air tight The
outside partition must include window
to the outer air on the lot wherein the
building is situated, or some other ap-
or ha