Following fabrication, assembly, and installation of the piping distribution system, exterior connection panel, and interior cylinder fill panels, the Authority Having Jurisdiction shall witness the pneumatic testing of the complete system at a test pressure of not less than 7500 psi (51711 kPa) using oil-free dry air, nitrogen, or argon. A pneumatic test of not less than 24 hours shall be performed. During this test, all fittings, joints, and system components shall be inspected for leaks. A solution compatible with the system component materials shall be used on each joint and fitting. Defects in the system or leaks detected shall be documented on an inspection report, repaired or replaced. As an alternate, a pressure-decay test in accordance with ASME B31.3 shall be permitted.
Upon successful completion of the 24 hour static pressure test, the system's low-pressure monitoring switch shall be calibrated to not less than 3000 psi (20684 kPa) descending, and tested to verify that the signal is annunciated at the building's main fire alarm panel and by means of an audible alarm and visual strobe located in a visible location.
Each air fill panel and station, and each exterior fire department connection panel shall be tested for compatibility with the fire department's SCBA fill fittings.
The pipe or tubing material certifications shall be provided to the Authority Having Jurisdiction.
Before the system is placed into service, a minimum of two samples shall be taken from separate air fill panels and submitted to an independent certified gas analysis laboratory to verify the system's cleanliness and that the air is in accordance with the following requirements for breathing air:
- Breathing air shall have oxygen content not less than 19.5 percent and not greater than 23.5 percent by volume.
- Breathing air shall not have a concentration of carbon monoxide exceeding 5.0 parts per million (ppm) by volume.
- Breathing air shall not have a concentration of carbon dioxide exceeding 1000 ppm by volume.
- Breathing air shall not have a concentration of condensed oil and particulate exceeding 7.2 E-11 pounds per cubic inch (lb/in3) (2.0 mg/m3) at 72°F (22°C) and 30 inches (762 mm) of Hg.
- Where breathing air supply for respirators is stored at pressures exceeding 15 bars (1500 kPa), the breathing air shall not have a concentration of water exceeding 24 ppm by volume.
- Breathing air shall not have a nonmethane volatile organic compound (VOC) content exceeding 25 ppm as methane equivalents.
- Breathing air shall not have a pronounced or unusual odor.
- Breathing air shall have a concentration of nitrogen not less than 75 percent and not more than 81 percent. [NFPA 1989:5.6]
During the period of air quality analysis, the air fill panel inlet shall be secured so that no air is capable of being introduced into the system and each air fill panel shall be provided with a sign stating, "AIR QUALITY ANALYSIS IN PROGRESS, DO NOT FILL OR USE ANY AIR FROM THIS SYSTEM." This sign shall be not less than 81/2 inches (218 mm) by 11 inches (279 mm) with not less than 1 inch (25.4 mm) lettering.
The breathing air within the system shall be sampled and certified annually and inspected in accordance with the procedure in Section F1201.5.
The Authority Having Jurisdiction shall witness the filling of two empty 66 cubic foot (ft3) (1.87 m3) capacity SCBA cylinders in 3 minutes or less, using compressed air supplied by fire department equipment connected to the exterior fire department connection panel. The SCBA cylinders shall be filled at the air fill panel or station farthest from the exterior fire department connection panel. Following this, not less than two air samples shall then be taken from separate air filling stations and submitted to an independent certified gas analyst laboratory to verify the system's cleanliness and that the air is in accordance with the requirements of NFPA 1989. The written report shall be provided to the Authority Having Jurisdiction certifying that the air analysis is in accordance with the above requirements.