All rooms and areas in the office surgery suite used for patient care shall be required to have HVAC systems as described in this section and as described for similar rooms and areas in the 2010 edition of The Guidelines for the Design and Construction of Health Care Facilities, Part 6, ANSI/ASHRAE/ASHE Standard 170-2008, Ventilation of Health Care Facilities.
Fans serving exhaust systems shall be located at the discharge end and shall be readily serviceable. Air supply and exhaust in rooms for which no minimum total air change rate is noted may vary down to zero in response to room load.
The outdoor air introduced through the VAV air handling unit(s) shall remain constant throughout the range of operation.
Exhaust outlets, piping and ductwork shall be permanently and clearly identified.