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
Codes and Standards | Jan 11, 2017
OSHA prompts more proactive approach to construction site safety
Remote operated camera systems are being used to mitigate risk in real time.
Codes and Standards | Jan 10, 2017
Plunging solar power costs making PVs more compelling for owners, developers
Technical and manufacturing advances are driving down prices.
Codes and Standards | Jan 9, 2017
Boston’s plans for new development at odds with flood projections
One plan calls for building in areas predicted to be flooded during high tides as sea levels rise.
Codes and Standards | Jan 9, 2017
New LEED for Cities, LEED for Communities pilot certifications unveiled
Requires tracking of performance data and progress toward goals.
Codes and Standards | Jan 9, 2017
China claims top ranking outside of U.S. for total LEED-certified space
Canada, India, Brazil, and Korea round out top 5.
Codes and Standards | Jan 6, 2017
OSHA prompts more proactive approach to construction site safety
Remote operated camera systems are being used to mitigate risk in real time.
Codes and Standards | Jan 5, 2017
2018 building energy code upholds efficiency gains
Efforts to scale back efficiency requirements largely defeated.
Codes and Standards | Jan 4, 2017
Low-income housing doesn’t lower neighborhood housing values
A Trulia study contradicts longstanding fears.
Codes and Standards | Jan 3, 2017
Intelligent transportation systems have implications for designers, construction firms
Sensors and Internet of Things devices will have to be embedded in infrastructure.
Codes and Standards | Dec 15, 2016
OSHA releases safety recommendation guide for construction industry
It is said to be most helpful to small and mid-sized contractors.
