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Any and all installations made in accordance with this code shall be inspected and approved by a Plumbing Inspector of the Department.
All new plumbing work and such portions of existing systems as may be affected by new work or any changes shall be inspected within 6 months from the date of filing plans (unless permission for an extension of time is requested in writing by the plumber and granted by the Department) to insure compliance with this code and, where drawings form part of the permit, to verify that the installation and construction of the system are in accordance with the approved drawing.
No test or inspection shall be required:
  1. Where the plumbing system or part thereof is set up for exhibition purposes, is not used for toilet purposes, and is not directly connected to a water-supply or sewage system; or
  2. For repairs included in the definition of minor repairs in Section P-202
An inspection shall be required for all work for which a permit is required by this code, and tests shall be required for all new installations of plumbing systems and whenever new, relocated, or replacement stacks, interior leaders, building drains, or part thereof, are installed, or major horizontal branches or branch vents are connected thereto.
The Registered Master Plumber shall give the Department 24-hours advance notice for tests or inspections, unless such delay presents a hazard to the property owner or to public safety.
The work should be tested and ready before inspection, and no work shall be covered without authorization from the Department. A call shall be made by the plumber in the event he or she is not ready for inspection.
If the work does not pass inspection and the inspector must return for a second time, a re-inspection fee of $55.00 will be required.
The equipment, material, power, and labor necessary for the inspection and test shall be furnished by the plumber. Each soil stack and rain leader shall be provided with a test fitting. When of the type having an iron pipe size threaded opening, such openings shall be permitted to be used as a cleanout when installed in accordance with Section P-507.1.

Exception: Outside sheet metal rain leaders.
Shoring shall be installed in ditches and trenches as per OSHA regulations or as regulated by the Department. In some instances, sloping the sides of the excavation as per OSHA will satisfy this requirement if the earth is suitable for this application. Violation of this provision will result in a Stop Work Order and/or penalties prescribed by law.
Upon the satisfactory completion and final test of the plumbing system, the Department shall issue a certificate of approval to the owner.
Where there is reason to believe that the drainage and vent system of any building has become unsanitary or defective, such drainage and vent system shall be subject to an appropriate test as determined by the Department.
The piping of drainage and vent systems shall be tested with water or air in accordance with Sections P-1506.2 or P-1506.3 when inspection is required by Section P-1501. Water tests shall not be used in freezing weather. Cleanouts or plugs shall be removed and traps unsealed, if requested by the Department, to ascertain whether the test medium has reached all parts of the system. After the plumbing fixtures have been set and their traps filled with water, the entire drainage system shall be submitted to final inspection.
A water test shall be applied to the drainage and vent system in its entirety or in sections. If tested in sections, not more than 30 feet in height on any one system shall be tested at any one time. If applied to the entire system, all openings in the piping shall be tightly closed - except the highest - opening and the system filled with water to the point of overflow. If the system is tested in sections, each opening shall be tightly plugged (except the highest opening of the water) but no section (except the house drain and its connected yard and area drains) shall be tested with less than a 10-foot head of water. In testing successive sections above the house drain, at least the upper 10 feet of the next preceding section shall be re-tested so that no joint or pipe in the building (except the house drain and the uppermost 10 feet of the system) shall have been submitted to a test of less than a 10-foot head of water. The water shall be kept in the system or in the portion under test for at least 15 minutes before inspection starts; the system shall then be tight at all points.
The house drain and yard area drains, including all piping to a height of 2 feet above the highest point of the house drain, shall be tested separately. All traps, pipe fittings and joints shall be exposed to view when the test is made. Water shall be introduced into the system in the quantity deemed necessary by the Department. To be approved, the flow of water through the system shall be unobstructed, and there shall be no leakage through any pipe, joint, trap, or fitting.
The air test shall be made by attaching an air compressor or testing apparatus to any suitable opening and, after closing all other inlets to the system, by forcing air into the system until there is a uniform gauge pressure of 5 psi. This pressure shall be held without the introduction of additional air for a period of at least 15 minutes. Wooden plugs shall not be used to close openings.
At the option of the Department, the entire system shall be filled with dense pungent smoke and the roof openings emit smoke before such openings are closed and the air pressure applied.
Upon the completion of a section or of an entire water supply system, that section or system shall be tested and proved tight under a water pressure not less than the working pressure under which it is to be used.
After tests have been made and approved by the inspector, covering, insulation, coating or painting of the drain, vent and water piping shall be permitted. Decals on soil, waste, and vent piping, and hot, cold and return water piping shall be installed every 10 feet on covered and uncovered lines.
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