When required, all new plumbing work, and such portions of existing
systems as may be affected by new work or any changes, shall be inspected
to insure compliance with all the requirements of this code. It shall
be the duty of the plumber to give reasonable advance notice to the
plumbing inspection department when plumbing work is ready for inspection.
If the inspector finds the installation does not meet with the requirements
of the code, the plumber shall make the necessary corrections and
the work shall then be resubmitted for inspection. All materials and
labor necessary for tests shall be furnished by the plumber.
(1986 Code, ch. 3, sec. 2(M); 1993
Code, sec. 3.311)
All the piping of new installations, and of major additions,
or renovations of existing systems, shall be tested with air or water.
The water test shall be applied to the drainage system either in its
entirety or in sections. All openings in the portion under test shall
be tightly plugged except the highest opening and the system filled
with water to point of overflow. No joint or pipe in the system (to
a point at least level with the top floor) shall be submitted to less
than a forty-two inch (42") head of water. The water shall be kept
in the system, or portion of the system under test, for a period of
at least fifteen (15) minutes before inspection and [the system] shall
then be tight at all points.
(1986 Code, ch. 3, sec. 2(N); 1993
Code, sec. 3.312)
Upon completion of the water system, or section thereof, it
shall be tested and proved tight under a water test at least as great
as city water pressure. Water for testing must be from a potable supply.
Pressure must be on systems for at least fifteen (15) minutes prior
to inspection. Caulking or use of any patching material is strictly
prohibited. All faulty pipe and materials shall be replaced with good
materials.
(1986 Code, ch. 3, sec. 2(O); 1993
Code, sec. 3.313)
All building sewers shall be inspected and approved prior to
backfill. Building sewers shall be tested with a ten foot (10') head
of water and proved tight.
(1986 Code, ch. 3, sec. 2(P); 1993
Code, sec. 3.314)
The test on house piping shall be made by closing all openings
and subjecting the pipes to an air pressure that will support a column
of mercury ten inches (10") in height. If this column of mercury is
supported by the air pressure for at least fifteen (15) minutes, during
periods of constant temperature, the piping shall be considered tight.
(1986 Code, ch. 3, sec. 2(Q); 1993
Code, sec. 3.315)
Water shall not be used in testing gas piping for leaks, and
piping into which water has been introduced will not be approved,
but will be condemned as faulty. A fire test is not permitted under
any circumstances in inside work.
(1986 Code, ch. 3, sec. 2(R); 1993
Code, sec. 3.316)
When the plumber has completed the gas piping system and has
all branches and branch extensions firmly and permanently fastened,
he or she shall test the piping and, if found tight, shall make application
for inspection, and the plumbing inspector will call and inspect the
piping and witness the test, and if he or she finds the piping tight,
and the sizes and work in accordance with the provisions of this code,
he or she will issue a certificate of inspection and attach an inspection
tag to the work.
(1986 Code, ch. 3, sec. 2(S); 1993
Code, sec. 3.317)
(a)
Final
inspection shall be made on the sanitary system and the water system
after the fixtures are set and the building is ready for occupancy.
(b)
Final
inspection shall be made on the gas system after the water heater,
furnace and gas cocks have been installed and shall be made with air
pressure of ten inches (10") of mercury for fifteen (15) minutes.
When changes or extensions are made to a gas system from a point where
no gas stop has been provided in the original gas system, the plumber
must prepare the end system for test and same [sic] with air pressure
of ten inches (10") of mercury. The test must be on the system for
a minimum of fifteen (15) minutes before inspection.
(1986 Code, ch. 3, sec. 2(T); 1993
Code, sec. 3.318)
No part of the plumbing system shall be covered before it has
been tested, inspected and approved as prescribed in this division.
If any part is covered prior to the provisions of this division, it
shall be exposed upon the direction of the plumbing inspector.
(1986 Code, ch. 3, sec. 2(U); 1993
Code, sec. 3.319)
