1314.1.3 Air Sources

Air sources for medical air compressors shall comply with Section 1314.1.3.1 or Section 1314.1.3.2.

The medical air compressors shall draw their air from a source of clean air. [NFPA 99:5.1.3.6.3.12(A)]

     Where an air source equal to or better than outside air is available, it shall be permitted to be used for the medical air compressors in accordance with the following provisions:

1. This alternate source of supply air shall be available on a continuous 24 hours-per-day, 7 days-per-week basis.
2. Ventilating systems having fans with motors or drive belts located in the air stream shall not be used as a source of medical air intake. [NFPA 99:5.1.3.6.3.12(E)]

Air sources for a compressor(s) located inside a building shall comply with the following provisions:

1. Be located within a space where no chemical based materials are stored or used.
2. Be located in a space that is not used for patient medical treatment.
3. Not be taken from a room or space in which there is an open or semi-open discharge from a medical vacuum or scavenging system. [NFPA 99:5.3.7.6.5.1]

     Air sources for a compressor(s) located outside the building shall be drawn from locations where no contamination from medical vacuum or scavenging system discharges or particulate matter is anticipated. [NFPA 99:5.3.7.6.5.2]