A.
Workmanship shall be of such character as fully to
secure the results sought to be obtained in the Plumbing Code.
B.
All details of plumbing work not otherwise provided
for in this Plumbing Code shall be of a kind and quality approved
by the Plumbing Inspector, all of which shall be consistent with the
applicable plumbing standards then in effect of the New York State
Building Construction Code, of the American Standards Association,
Inc. and of the American Gas Association, whichever shall be the strictest.
All horizontal piping shall be run in practical
alignment and at a uniform grade of not less than 1/4 inch per foot
and shall be supported or anchored at intervals of not more than eight
feet for cast-iron pipe and not more than 10 feet for other pipes.
All stacks shall be supported at their bases,
and all pipes shall be rigidly secured.
A.
Tightness. All joints and connections shall be made
gas- and watertight.
B.
Increasers and reducers. Where different sizes of
pipes or pipes and fittings are to be connected, proper sized size
increasers or reducers shall be used.
C.
Prohibited joints and connections. No fitting or connection
which has an enlargement chamber or recess with a ledge, shoulder
or reduction of the pipe area in the direction of the flow on the
outlet or drain side of the trap shall be used.
D.
Caulked joints. Caulked joints shall be firmly packed
with oakum or hemp and shall be secured only with pure molten lead,
not less than one inch deep, well-caulked.
E.
Lead and iron joints. Connections between lead and
iron pipes shall be made with brass ferrules or brass screw nipples,
wiped to the lead and caulked or secured into the iron pipe.
F.
Manoff fitting. Where galvanized iron waste pipe connects
with cast-iron waste pipe, the same shall be made with an extra heavy
manoff fitting or its equivalent.
G.
Lead content in solder joints. The lead content in
solder joints and connections from potable water supply systems shall
not exceed 2/10 of 1%.
[Added 8-16-1983]
A.
Kind. Every trap shall be self-cleaning.
B.
Materials. Traps for bathtubs, lavatories, sinks and
other similar fixtures shall be of lead, brass or cast iron, and no
tubing traps will be permitted.
C.
Prohibited traps. No form of trap which depends for
its seal upon the action of movable parts or concealed interior partitions
shall be used for fixtures.
D.
Where traps required. Each fixture shall be separately
trapped by a water-seal trap placed as near the fixture as possible,
except that a set of not more than three laundry trays may be served
by a single trap at the end of the series, or a combination fixture
which is cast integral may have a single two-inch trap placed under
the sink, provided that in each case the branches connect into the
trap seal at an angle of not more than 60° to the vertical arm.
E.
Prohibited discharge. In no case shall the waste from
a bathtub or other fixture discharge into a water closet trap or lead
bend.
F.
Double traps. No fixture shall be double trapped.
A.
A cleanout, easily accessible, shall be provided at
the foot of each vertical waste or soil stack.
B.
There shall be at least two cleanouts in the house
drain, one at or near the base of the stack and the other, with full
size Y-branch, inside the wall near the connection between the house
drain and house sewer.
C.
Except for the latter, cleanouts shall be of the same
nominal size as the pipes up to four inches and not less than four
inches for larger pipes.
D.
The distance between cleanouts in horizontal soil
lines shall not exceed 25 feet.
All underground traps and cleanouts of a building,
except where cleanouts are flush with the floor, and all exterior
underground traps shall be made accessible by manholes at least 24
inches square inside or 30 inches inside diameter, with proper covers.
A.
Cellar or basement floor drains shall connect into
a trap so constructed that it can readily be cleaned and of a size
to serve efficiently the purpose for which it is intended. The drain
inlet shall be so located that it is at all times in full view.
B.
When subject to backflow or back pressure, such drains
shall be equipped with an adequate backwater valve.
C.
No floor drains shall connect to a house drain nor
to any part of a house drainage system nor to a drainage sewer.
[Amended 9-7-1994 by L.L. No. 26-1994]
Excavations or street openings necessary for
sewer connections or installing house sewers and water service pipes
shall be made in accordance with the regulations of the Town Commissioner
of the Department of Public Works and the regulations applicable thereto.
A.
Minimum. In every existing building not already supplied
and in every building hereafter erected there shall be at least one
water closet connected with the sewerage system.
B.
Dwellings. In buildings occupied by one or more families
or households, there shall be at least one separate water closet for
each family or household.
C.
Places of assembly. In places of assembly accommodating
50 persons or more, there shall be one water closet for every 100
persons or fraction thereof but not less than three in any case.
D.
Mercantile buildings. In mercantile buildings there
shall be at least one water closet in each separate ownership, and
provided with janitor service, for every 15 persons or fraction thereof
regularly employed therein irrespective of any accommodations otherwise
provided. Where a mercantile building is held in single and separate
ownership with janitor service, the owner thereof may supply general
water closet accommodations.
E.
Other buildings. In every other building there shall
be at least one water closet for every 15 occupants.
In buildings or establishments where more than
one water closet is required, except for the accommodation of families,
separate water closets and toilets and toilet rooms shall be provided
for both sexes.
A.
Fixed wooden wash trays or sinks shall not be installed
in any building designed or used for human habitation.
B.
No new copper-lined, wooden bathtubs shall be installed,
and an old fixture of this class taken out shall not be reconnected.
C.
Pan and valve plunger, offset washout and other water
closets having invisible seals or unventilated space or walls not
thoroughly washed at each flush shall not be used.
D.
Long hopper closets or similar appliances shall not
hereafter be installed.
All plumbing fixtures shall be provided with
a sufficient supply of water for flushing to keep them in a sanitary
condition.
A.
No water closet or urinal bowl shall be supplied directly
from a water supply system through a flushometer or other valve unless
such valve is of an approved vacuum breaker type and is set above
the water closet or urinal in a manner such as to prevent any possibility
of polluting the water supply.
B.
All domestic hot-water storage tanks shall have a
relief valve of standard make placed on top of the tank. All automatic
gas-fired hot-water tanks to be installed are to conform to American
Gas Association Standards.
C.
A check valve shall be placed on the street or pressure
side of all automatic fill and relief valves in order to prevent the
polluting and fouling of domestic water.
No water service pipe shall be less than seven
feet distant from any part of the sewage disposal system and not less
than four feet below grade.
A water supply well shall be located not less
than 35 feet from a cesspool.
A.
No plumbing fixture or device shall be supplied directly
from a water supply system through a flush or other valve unless such
valve is adequately protected to prevent pollution of the water supply.
B.
No plumbing fixture or device shall be installed which
will provide an interconnection between a distribution system of water
for drinking and domestic purposes and a drainage system, soil or
waste pipe, or make possible the backflow of sewage or waste into
the water supply system.
C.
Plumbing fixtures and devices for the protection of
the water supply against pollution and back siphonage shall be of
a type of design accepted by the National Plumbing Laboratory.
Cross connection between a public and private
water supply system shall be prohibited unless approved by the Suffolk
County Department of Health.
Direct water supply piping connections to sterilizers
are prohibited.
Water supply connections to aspirators, water
siphons or similar apparatus shall be equipped with an approved vacuum
breaker and check valve, the check valve to be located between the
fixture and the vacuum breaker.
Water supply connections to bidets, bedpan washers
or similar apparatus shall be equipped with an approved vacuum breaker
and check valve, the latter located between the fixture and the vacuum
breaker.
Water supply inlets to roof or suction tanks
shall be located at least two inches above the overflow level of the
tank.
Direct water connection to a refrigeration unit
for cooling purposes shall be equipped with an approved check valve
to prevent possible backflow of ammonia or other refrigerant agency
from defective condenser coils or jackets, except in such installations
where the water supply piping is entirely outside of the piping or
tank containing the refrigerant and two independent wall thicknesses
of metal separate the refrigerant from the public water supply system.
Refrigeration units containing more than 20 pounds of refrigerant
shall be provided with an additional safeguard in the form of an approved
relief valve installed at the outlet side of the check valve, such
relief valve being set at five pounds above the maximum water pressure
at the point of installation.
[Added 5-6-1975]
A.
Suspended oil burner units shall be fed by steel pipe
through lift pumps. Pipe sizings shall comply with standards established
by the Town Plumbing Inspector. All emergency switches for suspended
oil burner units shall be located below and as close as practicable
to the unit and not more than five feet from the floor.
B.
All oil tanks shall be fitted with vent alarms. In
addition all buried oil tanks shall be fitted with four-way swings.
Each such tank shall be buried to a depth permitting at least two
feet between the surface and the top of the tank.
