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 | May 12, 2021
White paper examines how to reduce pathogen transmission in ventilation
Pressure barriers and airflow distribution can be effective in existing buildings.
Codes and Standards | May 11, 2021
Pressure builds on White House to rein in cost of lumber
Spike in prices has added nearly $36,000 to price of average new home.
Codes and Standards | May 11, 2021
Residential codes should be upgraded to protect from cooking pollutants
Report examines ventilation standards, calls for increased public awareness of issue.
Codes and Standards | May 6, 2021
Blue roofs can provide relief to overwhelmed stormwater systems
Benefits most evident in industrial commercial areas.
Codes and Standards | May 5, 2021
Majority of schools took steps to improve air quality during pandemic
Districts still have unmet needs, face high costs and outdated building infrastructure.
Codes and Standards | May 4, 2021
Cost to keep Miami dry over next few decades is $4 billion
Rising seas demand big investment.
Codes and Standards | May 3, 2021
Fire stops critical to preserving three-decker housing
Old multi-family structures continue to provide badly needed homes in urban zones.
Codes and Standards | Apr 29, 2021
Dept. of Energy publishes energy savings analysis for ANSI/ASHRAE/IES Standard 90.1-2019
More than 4% savings for commercial buildings found for the updated code.
Codes and Standards | Apr 28, 2021
Building-integrated solar power turns buildings into power plants
Multiple alternatives could replace or complement rack-mounted PV arrays.
Codes and Standards | Apr 27, 2021
Ten real estate groups sign on to New York State’s high-rise decarbonization challenge
Each signee commits to carbon neutrality in one or more high-rise buildings it owns.
