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 | Dec 20, 2017
Moody’s says cities may face credit downgrades if they don’t address climate risks
Credit ratings giant will ask what communities are doing to mitigate risk exposure.
Codes and Standards | Dec 18, 2017
Schools with optimal indoor environments boost student performance and energy efficiency
World Green Building Council report confirms that lighting, indoor air quality, thermal comfort and acoustics impact learning.
Codes and Standards | Dec 14, 2017
Mayors sign Chicago Climate Charter; will strive to meet Paris accord goals
Pledge to push for more local authority to reduce emissions.
Codes and Standards | Dec 13, 2017
New report examines ongoing costs of green infrastructure options
The report compares solutions to reduce stormwater.
Codes and Standards | Dec 12, 2017
Total cost of structural fires in U.S. reached $328.5 billion in 2014
Costs associated with losses was $55.4 billion.
Codes and Standards | Dec 11, 2017
Steel-timber composite system proposed for mid- and high-rise buildings
Structural steel columns and beams support a cross-laminated timber floor system.
Codes and Standards | Dec 7, 2017
Many coastal states performing poorly to protect beaches, coastlines
The most vulnerable regions fare the worst in new study.
Codes and Standards | Dec 6, 2017
2017 wildfires highlight gaps in California’s approach to fire safety in urbanized areas
Better hazard mapping and retrofit programs could help.
Codes and Standards | Dec 5, 2017
Guide for understanding medical monitoring requirement of OSHA silica standard released
Center for Construction Research and Training gives advice on new regulation.
Codes and Standards | Dec 4, 2017
Trump tax proposal would kill historic tax credits
Developers would lose up to 20% discounts on some redevelopment projects.
