342

LAWS OF MARYLAND.

approval of the Inspector of Plumbing. These vents may be

Size of vaults

carried out through the roof separately or may be connected

to the main soil or waste pipe ventilating stack, in which event

the connection must be made above the highest fixture, and

from this point the said stack must be made at least one size

larger, and be continued at the same size up to and through

the roof as a general ventilator; provided, however, that when

a syphon closet sets within three feet of the main stack no

back vent will be required, and all traps mentioned in this

section must be of heavy lead, cast iron or brass, and be not

less than the following: For water-closets, four inches; sinks.

one and one-half inches; wash trays, two inches; slop sinks,

two inches; urinals, one and one-half inches; bathtubs, one and

one-half inches ; basins, one and one-quarter inches ; and every

trap that shall be less than four inches in diameter shall have a

Size of water

brass trap screw clean cut, and all traps must have a water

seal.

seal of at least one and one-half inches, and all water-closets,

sinks, basins, wash trays, etc.. suitable traps must be placed

on, as near as practicable, to said fixtures, subject to the ap-

proval of the Inspector of Plumbing.

SEC. 33. And be it enacted, That no water-closet shall be

Water-closets

allowed to be constructed in any sleeping room or in any

to have air
shaft or

apartment or vault which is not in direct communication with

window.

the outside air, by means of a window or air shaft, having an

area of at least four square feet for the admission of fresh air

and light, and where water-closets are placed outside of build-

ing, the use of straight non-absorbent hoppers will be per-

mitted, provided the same is supplied with flush tank and a

proper water supply, to be approved by the Inspector of Plumb-

ing; and in no case shall waste pipes from bathtubs, wash

stands or sinks be connected with a trap of a water-closet.

SEC. 34. And be it enacted, That a separate flushing tank

Separate flush

which shall hold at least four gallons of water must be pro-

ing tank and

vided with every water-closet which is constructed within any

pipe.

building, store, dwelling or house or part of a house, and the

ilush pipe from said tank to closet shall not be less than one and

one-quarter inches in diameter, and each said closet must have

an earthenware bowl with flushing run, and no long straight

hoppers or pan or plunge closets shall be allowed to be placed

within any building, store, dwelling or house or part of house,

and water-closets or urinals shall never be connected directly

Flushing of

with or flushed from water supply pipe, but each water-closet

closets.

or urinal must be flushed from a separate tank, by water

which is used for no other purpose, and all floor connections