ASHRAE recently released an updated edition of ANSI/ASHRAE/ASHE Standard 170, Ventilation of Health Care Facilities.
The 2021 edition delivers critical guidance for designers and operators and incorporates 17 addenda to the 2017 edition of the standard. Changes include:
· Expanded requirements to allow airborne infectious isolation room exhaust discharge to general exhaust under certain conditions
· Revised scope, with improved guidance on thermal comfort conditions
· Extensive modifications to address the Outpatient and Residential sections
· Extensive revisions to air filtration requirements
· Addition of new columns in the ventilation tables to prescribe filtration requirement and designate unoccupied turndown
· Expanded guidance on separation distance requirements for varied intake and exhaust arrangements, coordinating with related ASHRAE Standard 62.1 data
· Improved guidance related to behavioral and mental health
Related Stories
Healthcare Facilities | Jun 10, 2016
Top 10 health technology hazards include some influenced by space design
ECRI Institute’s annual list includes operational and workflow issues.
Codes and Standards | Jun 9, 2016
Supreme Court ruling could aid developers on properties containing wetlands
Unanimous decision allows landowners to take regulatory decisions straight to court.
Green | Jun 8, 2016
TD Bank Group's renovated Toronto office is first WELL-Certified project under WELL v1
The newly renovated 25,000-sf space achieved gold-level status.
Concrete | Jun 7, 2016
Concrete Institute publishes document providing concrete curing guidance
New curing monitoring techniques included.
Energy | Jun 7, 2016
Energy modeling payback typically as short as one to two months
Energy modeling is a ‘no-brainer—like checking MPG on a car’
Green | Jun 2, 2016
USGBC offers new LEED pilot credit: Building Material Human Hazard and Exposure Assessment
For assessing human health-related exposure scenarios for construction products.
Resiliency | Jun 1, 2016
Federal agencies boost standards for more resilient construction
HUD, FEMA, GSA, Army Corps of Engineers make policy changes.
Green | May 31, 2016
Miami Beach requires developers to meet green standards or pay a fee
Applies to structures larger than 7,000 sf.
Codes and Standards | May 27, 2016
Better enforcement needed for successful implementation of energy efficiency policies
Commercial buildings the focus of recent code initiatives.
Codes and Standards | May 25, 2016
LEED Dynamic is worth the effort, says commercial real estate executive
San Diego office tower is California’s first office building to receive LEED Dynamic plaque in recertification.
