scope:

FOREWORD

ANSI/ASHRAE/ICC/USGBC/IES Standard 189.1-2020, Addendum bj, adds an exception to reference ANSI/ASHRAE/ASHE Standard 189.3, Section 6.3.1.1, "Irrigation Limitations" for healing gardens and outdoor therapy or rehabilitation areas that provide physical or mental therapy. This addresses the clinical benefit outdoor areas can provide in the clinical process and allows high-performance health care facilities to irrigate these areas, maintaining their function with increased traffic and use. Section 12, "Normative References" is revised to reference the most current edition of ANSI/ASHRAE/ASHE Standard 170, "Ventilation of Health Care Facilities."

Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions) and (for deletions) unless the instructions specifically mention some other means of indicating the changes.