CORONAVIRUS DISEASE 2019 (COVID-19) FACILITIES RESOURCES

GUIDANCE FOR BUILDING OPERATIONS DURING THE COVID-19 PANDEMIC

The HVAC systems in most non-medical buildings play only a small role in infectious disease transmission, including COVID-19.1 Knowledge is emerging about COVID-19, the virus that causes it (SARS-CoV-2), and how the disease spreads. Reasonable, but not certain,inferences about spread can be drawn from the SARS outbreak in 2003 (a virus genetically similar to SARS-CoV-2) and, to a lesser extent, from transmission of other viruses. Preliminary research has been recently released, due to the urgent need for information, but it is likely to take years to reach scientific consensus.

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ASHRAE POSITION DOCUMENT ON INFECTIOUS AEROSOLS


Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Executive Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .. .2
1  The Issue. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .4
2  Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1 Airborne Dissemination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3  Practical Implications for Building Owners, Operators, and Engineers  . . . . .. .5
3.1 Varying Approaches for Facility Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.2 Ventilation and Air-Cleaning Strategies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.3 Temperature and Humidity.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.4 Emerging Pathogens and Emergency Preparedness.  . . . . . . . . . . . . . . . . . . . . . .8
4  Conclusions and Recommendations.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .9
4.1 ASHRAE’s Positions      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.2 ASHRAE’s Commitments     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5  References     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6  Bibliography   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

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ASHRAE COVID-19 GUIDANCE

The following guidance is developed as healthcare facilities prepare for COVID patients, and is based on input from ASHE, ASHRAE Technical Committee for Healthcare and ASHRAE/ASHE Standard 170 Committee.  

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USING UV-C DISINFECTION TO ELIMINATE COVID-19

Ultraviolet Germicidal Irradiation

  • What Is Ultraviolet C?

  • How Does UV-C Work?

  • What UV-C Can Deactivate?

  • Case Study 

  • Real results 

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ADDITIONAL RESOURCES

1. ASHREA: Filtration / Disinfection

Modes of Transmission | Airborne Transmission | Transmission through Air in Toilet Rooms | Facilities/Maintenance – PPE Basics | HVAC System Maintenance and Filter Replacement | Mechanical Air Filters | Minimum Efficiency Reporting Value (MERV) | ASHRAE MERV vs. ISO 16890 Ratings | High-Efficiency Particulate Air (HEPA) Filters | Electronic Air Filters | Gas-Phase Air Cleaners | Ultraviolet Energy (UV-C) | UV-C LEDs | UV-C In-Duct Air Disinfection | UV-C Upper-Air Disinfection | UV-C In-Duct Surface Disinfection | UV-C Portable Room Decontamination | Photocatalytic Oxidation (PCO) | Bipolar Ionization/Corona Discharge | Ozone | Chemical Disinfectants | Vaporized Hydrogen Peroxide (VHP) | Pulsed Xenon (Pulsed UV) | 405 nm Visible Light | Far Ultraviolet | Special Precautions | Summary

https://www.ashrae.org/technical-resources/filtration-disinfection

2. CDC: Cleaning and Disinfecting Your Facility

Everyday Steps, Steps When Someone is Sick, and Considerations for Employers

https://www.cdc.gov/coronavirus/2019-ncov/community/disinfecting-building-facility.html

3. CDC: Resuming Business Toolkit

The Resuming Business Toolkit is designed to assist employers in slowing the spread of COVID-19 [1] and lowering the impact in their workplace when reintegrating employees into non-healthcare business settings. Not sure whether you’re ready to resume business? Use CDC’s decision tools [2-3] as a start.

https://www.cdc.gov/coronavirus/2019-ncov/community/resuming-business-toolkit.html#restart-readiness-checklist

 

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