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About This Item

 

Full Description

ANSI/ASHRAE/ASHE Standard 170 offers guidance, regulation, and mandates to designers of health care facilities. The revised 2017 edition incorporates 12 addenda to the 2013 standard andincludes the following significant changes:

  • Addition of adiabatic humidifiers as an acceptable type
  • Addition of a new type of exam room with lower requirements for less-acute applications
  • Clarification around the prohibition of controls to change pressure relationships between spaces
  • Reduction in requirements for electroconvulsive therapy procedure rooms
  • Reduction in requirements for laboratories when allowed by certain calculations
  • Higher requirements for higher hazard exhaust airstreams
  • Coordination of space temperature requirements in the Sterile Processing Department withother industry groups
  • Clarification of the definition of the primary diffuser array in operating rooms

The standard has also been reorganized into three sections: hospital spaces, outpatient spaces, and nursing home spaces. These changes were made to bring Standard 170 into alignment with the forthcoming 2018 FGI Guidelines.

 

Document History

  1. ASHRAE 170-2017

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    Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)

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  2. ASHRAE 170-2013


    Standard 170-2013 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)

    • Historical Version
  3. ASHRAE 170-2008


    Standard 170-2008 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ASHRAE IC 170-2017-4

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    Interpretation IC 170-2017-4 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)

  2. ASHRAE IC 170-2017-3

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    Interpretation IC 170-2017-3 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)

  3. ASHRAE IC 170-2017-2

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    Interpretation IC 170-2017-2 to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)

  4. ASHRAE IC 170-2017-1

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    Interpretation 1 IC to Standard 170-2017 -- Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)