A continually updated list of addenda and proposed revisions to health care-related ASHRAE standards and guidelines available for download and public comment:

This draft is scheduled for a 30-day public review from Oct. 25 to Nov. 24:

  • BSR/ASHRAE/ASHE Addendum d to ANSI/ASHRAE/ASHE Standard 170-2017, Ventilation of Health Care Facilities (second independent substantive change public review draft).

This proposed addendum adds requirements and language similar to those required in Section 5 (Systems and Equipment) of ASHRAE Standard 62.1. Requirements include: (1.) Air intake separation distance table adapted for 170 requirements. (2.) Outdoor air verification requirements while operating. (3.) Measures to prevent vehicle combustion in parking garages from entering the building. (4.) Air balancing requirements.