Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 12 - Alternate Designed Plumbing Systems › Section XIV-1205 - Tests

Current through Register Vol. 50, No. 6, June 20, 2024
A. General Testing
				Requirements. The state health officer and/or the local plumbing official may
				also require tests to be conducted prior to occupancy to assure that the
				proposed design is satisfactory and complies with the intent of this code. Such
				tests shall be made in accordance with approved standards, but in the absence
				of such standards, the state health officer and/or the local plumbing official
				shall specify the test procedure(s). In general, such tests shall indicate that
				all fixtures properly discharge when flushed simultaneously with not less than
				1-inch (25.4mm) of water seal left in the trap after testing and that there is
				no evidence of sewer gas passing through the trap seal.
B. Roughing-In. The roughing-in test shall be
				as provided for in other Chapters of this code.
C. Tests and Inspection of the Single Stack
				Discharge and Ventilating Pipe System or any other Single Stack Plumbing
				System. When a single stack discharge and ventilating pipe system (a specific
				type of alternate designed plumbing system) or any other single stack plumbing
				system has been approved by the state health officer under the requirements of
				this Chapter, the following tests/inspections shall be performed.
1. Performance Test Required. In any building
				in which fixtures or appliances, other than those specifically provided for in
				Table 1811.D.5.5A of this code, are to be installed or in existing buildings in
				which the single stack discharge and ventilating pipe system or any other
				single stack plumbing system exists and additional fixtures are to be added,
				the plumbing official shall require and supervise a performance test as
				hereafter provided.
2. Application
				and Restrictions. When required in new construction, the system shall
				successfully pass the test before the building is permitted to be occupied. In
				existing buildings where piping is added for additional fixtures or appliances,
				such new piping shall not be placed in service until the performance test is
				approved. Should the system fail to pass the test, the new construction shall
				be modified as the plumbing official may direct, or the system shall be
				reconstructed to meet the requirements of other Chapters of this code, or the
				added fixtures and appliances shall be removed and all waste and vent pipes
				permanently closed so as to form no dead ends and all wall and other openings
				shall be put back in their original or finished condition.
a. Exception. Central washing facilities
				connected separately to the building drain or sewer in an installation that is
				otherwise constructed in accordance with other Chapters of this code are exempt
				from the performance testing prescribed by this Section.
3. Performance Test. Every trap shall retain
				not less than 1-inch (25.4 mm) of seal when subjected to the appropriate
				discharge tests given below. These tests are designed to simulate the probable
				worst conditions in practice. Each test should be repeated three times, the
				trap being recharged before each test, and the maximum loss of seal in any one
				test, measured by a dip stick, shall be taken as the significant result. The
				number of fixtures to be discharged simultaneously when investigating the
				effect of the flow of water down the stack depends on the number of fixtures
				and on the frequency with which they are used. The number of fixtures to be
				discharged simultaneously is given in Table 1811.D.11 of this code.
4. Test for Self-Siphonage. To test for the
				effect of self-siphonage, the waste fixture shall be filled to overflowing
				level and discharged in the normal way. The seal remaining in the trap shall be
				measured when the discharge has finished. This test is most important for wash
				basins, but it is not applicable for water closets which shall be flushed in
				the normal manner.