Standard , BY CHRIS P. ROUSSEAU, PE, LEED AP. 29 th Annual AHCA Seminar and 51 st Annual FHEA Meeting Orlando, Florida October 8, 2013

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1 Updates to ANSI/ASHRAE/ASHE Standard , Ventilation of Health Care Facilities BY CHRIS P. ROUSSEAU, PE, LEED AP 29 th Annual AHCA Seminar and 51 st Annual FHEA Meeting Orlando, Florida October 8, 2013

2 Addenda Overall Status 24 Addenda Approved (a, b, d, e, f, g, h, j, k, l, m, n, p, q, r, s, t, u, v, w, x, z, ab, ac) 1 Addendum Rescinded (c) 3 Addenda on Hold (i, o, aa) 0 Addenda Reviewing Public Comments 2 Addenda Currently Out for Public Review (ad - 10/6, ae - 10/7) 1 Addenda Pending Final Approval (y)

3 Addendum u Status Approved Topic ED and Radiology Waiting Room Exhaust Footnote clarification

4 Addendum w Status Approved Topic Gastrointestinal Endoscopy Rooms Differential Pressure changed from Positive to N/R Minimum RH changed from 30% to 20% Allows Endoscopy procedures to be performed in Bronchoscopy Rooms with no pressure changes

5 Addendum x Status Approved Topic Residential Health Care Facilities Added filtration requirements for Hospice and Assisted Living Facilities

6 Addendum y Status Awaiting Final Approval Topic Duct Lining a. An exterior vapor barrier shall be provided for insulation on cold surfaces. A vapor barrier is not required for insulation materials that do not absorb or transmit moisture. b. Existing insulation and duct lining accessible during a renovation project shall be inspected, repaired, and/or replaced as appropriate. c. Duct lining shall not be used in ductwork located downstream of Filter Bank #2. Duct lining with an impervious cover may be allowed in terminal units, sound attenuators, and air distribution devices downstream of Filter Bank #2. This lining i and cover shall be factory installed. d. Duct lining shall not be installed within 15 ft (4.57 m) downstream of humidifiers.

7 Addendum z Status Approved Topic ED Exam Rooms Added requirements Same as exam rooms in other parts of the hospital

8 Addendum aa Status On Hold Topic Patient Room Individual Temperature Control

9 Addendum ab Status Approved Topic Patient Room Air Change Rates Reduced minimum total air changes from 6 to 4

10 Addendum ac Status Approved Topic Return Air Plenums Requires ducted return and exhaust systems for patient care areas in inpatient t facilities

11 Addendum ad Status Out for Public Review Review Closes 10/6/13 Will be an addendum to the 2013 edition Topic Exam Rooms Reduced minimum total air change rate from 6 to 4

12 Addendum ae Status Out for Public Review Review Closes 10/7/13 Will be an addendum to the 2013 edition Topic Coordination with FGI These items are based on comments received during public reviews in the 2014 Guidelines revision process Delete reference to FGI Guidelines in Paragraph 6.1.2, Heating and Cooling Sources Clarify Paragraph b that critical exhaust must be a minimum of 10 from intakes, vs. 25 Clarify Paragraph b to require, rather than suggest, that ventilation rates for spaces not indicated in Table 7-1 be obtained from Standard 62 Clarify AII Room and PE Room terminology in Paragraph e (and a) provide a minimum differential pressure vs. limit leakage airflow. Clarify in Paragraph 8.2.b that sufficient space for maintenance of equipment is that required by the manufacturer. Clarify in Paragraph 8.6 that diffusers for delivery rooms, trauma rooms, wound intensive care rooms, PE rooms and CCU and ICU rooms be cleaned initially and at regular intervals.

13 Republication November 2013 Part of 2014 Guidelines

14 Current Issues Outside Air Intake Separation from Exhaust Cooling Tower Placement Clarification Alternate Air Change Rate Calculation Method Clarification of filtration requirements for Outpatient occupancies Clarification of prohibition of switchable pressure rooms OR Classification

15 Future Issues ED terminology and space clarification Patient Room Air Distribution OR Air Distribution Hospice Filtration Residential Healthcare Requirements Coordination of Central Sterile Ventilation requirements with AAMI Air Change Rate Deductions

16 Questions? 1974 Twentieth Century Fox Film Corporation

17 Chris P. Rousseau, PE, LEED AP Partner newcomb-boyd.com b 29 th Annual AHCA Seminar and 51 st Annual FHEA Meeting Orlando, Florida Otb October 8, 2013