Hawaii Administrative Rules
Title 11 - DEPARTMENT OF HEALTH
Subtitle 1 - GENERAL DEPARTMENTAL PROVISIONS
Chapter 39 - AIR CONDITIONING AND VENTILATING
Section 11-39-9 - Air movement, distribution, recirculation, and removal
Current through February, 2024
(a) Air movement and distribution and outdoor air supply shall be maintained without interruption during occupied hours in accordance with good engineering practice. Proper provision for balancing air distribution shall be made both in duct design and air distribution device application. Air-handling units shall operate continuously, that is without interruption, while the space is occupied except as provided in ASHRAE Standard 62.
(b) Air may be recirculated except where not permitted for hospitals and medical facilities and except, that no air from rooms with obnoxious or offensive odors or which is contaminated by other than human occupancy shall be used for recirculation or for the ventilation of another room or enclosure.
(c) Adequate provisions shall be made for air removal from the enclosure by exfiltration or by natural or mechanical exhaust. Motivating force, location of outlets and the volume of air removed through each identified outlet shall be shown on the plans.