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ANSI/ASHRAE/ASHE Standard 1702008 Arkansas Chapter ASHRAE February 3 & 4, 2010 by Chris P. Rousseau, PE, LEED AP
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ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Jul 29, 2018

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Page 1: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

ANSI/ASHRAE/ASHE Standard 170‐2008

Arkansas Chapter ASHRAEFebruary 3 & 4, 2010

by

Chris P. Rousseau, PE, LEED AP

Page 2: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

History

•Roots in ASHRAE Standard 62•First SPC meeting: 2002•Standard issued in 2008•First ASHRAE Standard co‐sponsored by ASHE•Standard recently given continuous 

maintenance status•Standard incorporated in 2010 Guidelines for 

Design and Construction of Health Care Facilities

Page 3: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Relation to the Facilities Guidelines Institute

• Current Committee Members from both FGI and ASHRAE

• Working to complete integration of Guidelines HVAC requirements into the Standard

Page 4: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Specific Requirements

1. Purpose: 

“to define ventilation system design requirements that provide environmental control for comfort, asepsis and odor in health care facilities”

Page 5: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

2. Scope

• includes hospitals, nursing facilities, and outpatient facilities

Page 6: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

3. Definitions

• Class A, B & C surgeries

Page 7: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

4. Compliance

• Paragraph 4.6 Criteria Ranges

Page 8: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

5. Planning

• Owner must provide a detailed program, including  temperature, humidity and pressure control requirements

Page 9: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

6. Systems and Equipment

• Reserve capacity for cooling sources• AHU must comply with ASHRAE Standard 62• Table 6‐1 Minimum Filter Efficiencies

– Differential pressure measurement required for filters > MERV 12

– Final filters not required in Class A operating rooms and outpatient spaces

– MERV 7 vs. MERV 8

• Emergency power required for ventilation and  maintenance of differential pressure in AII rooms, PE rooms, and Class B and C operating rooms

Page 10: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

7. Space Ventilation

• Reference to ASHRAE Standard 62

• Specific types of heat for special areas

• Dedicated exhaust for AII

• Dedicated exhaust for morgue/autopsy

• Table 7‐1– Generally minimum of 2 Ach of outside air

– Generally includes relative humidity limits

– Class B and C operating rooms – 20/4 Ach vs. 15/3

• AII rooms not required to be constant volume

• Class B and C operating room air distribution

Page 11: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

8. Planning, Construction and System Startup

• Maintenance staff able to access mechanical rooms and equipment without intrusion into surgery and critical care areas

• Cooling tower discharge directed vertically with drift directed away from outside air intakes

• Owner must provide an ICRA• Operator training required• Ductwork cleaned prior to use

Page 12: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

9. Normative Reference

• For reference only, not part of the Standard

Page 13: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

10. Informative Annex A

• Pressure testing– ORs semi‐annually

– AII and PE rooms daily when in use

– Filters monthly

• Unitary equipment serving patient rooms inspected and cleaned monthly

• Finned Tube, induction, convection units cleaned quarterly

Page 14: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Changes in Progress

• Addendum a ‐ published

• Addendum b ‐ published

• Addendum c ‐ rescinded

• Addendum d – forwarded to BOD for final approval

Page 15: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Future Changes/Current Issues

• Low relative humidity research• Displacement ventilation• Unitary equipment filtration• Coordination with remaining 2010 Guidelines items

– Ducted return air– Placement of PE room HEPA filters– Bronchoscopy differential pressure– Definition of ER and Radiology waiting space volume– AII Room anteroom airflows– Additional spaces

• Dialysis treatment area• Dialyzer reprocessing room• Nuclear medicine hot lab• Nuclear medicine treatment room

Page 16: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Questions and Answers

©1974 Twentieth Century Fox Film Corporation

Page 17: ANSI/ASHRAE/ASHE Standard 170 2008arkansasashrae.org/images/downloads/Meeting_Notes/feb_2010.pdf · History •Roots in ASHRAE Standard 62 •First SPC meeting: 2002 •Standard issued

Chris P. Rousseau, PE, LEED APPartner

crousseau@newcomb‐boyd.com404‐730‐8400