ASHRAE 170 ADD D-2015 Ventilation of Health Care Facilities.pdf

1、ANSI/ASHRAE/ASHE Addendum d toANSI/ASHRAE/ASHE Standard 170-2013Ventilation ofHealth Care FacilitiesApproved by ASHRAE on May 29, 2015; by the American Society of Healthcare Engineering on May 1, 2015; and by theAmerican National Standards Institute on June 1, 2015.This addendum was approved by a St

2、anding Standard Project Committee (SSPC) for which the Standards Committee has estab-lished a documented program for regular publication of addenda or revisions, including procedures for timely, documented, con-sensus action on requests for change to any part of the standard. The change submittal fo

3、rm, instructions, and deadlines may beobtained in electronic form from the ASHRAE website (www.ashrae.org) or in paper form from the Senior Manager of Standards. The latest edition of an ASHRAE Standard may be purchased on the ASHRAE website (www.ashrae.org) or from ASHRAE Cus-tomer Service, 1791 Tu

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5、 the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.ANSI is a registered trademark of the American National Standards Institute.SPECIAL NOTEThis American National Standard (ANS) is a national voluntary consensus Standard developed under the auspices of ASHRAE. Consens

6、us is definedby the American National Standards Institute (ANSI), of which ASHRAE is a member and which has approved this Standard as an ANS, as“substantial agreement reached by directly and materially affected interest categories. This signifies the concurrence of more than a simple majority,but no

7、t necessarily unanimity. Consensus requires that all views and objections be considered, and that an effort be made toward their resolution.”Compliance with this Standard is voluntary until and unless a legal jurisdiction makes compliance mandatory through legislation. ASHRAE obtains consensus throu

8、gh participation of its national and international members, associated societies, and public review.ASHRAE Standards are prepared by a Project Committee appointed specifically for the purpose of writing the Standard. The ProjectCommittee Chair and Vice-Chair must be members of ASHRAE; while other co

9、mmittee members may or may not be ASHRAE members, allmust be technically qualified in the subject area of the Standard. Every effort is made to balance the concerned interests on all Project Committees. The Senior Manager of Standards of ASHRAE should be contacted fora. interpretation of the content

10、s of this Standard,b. participation in the next review of the Standard,c. offering constructive criticism for improving the Standard, ord. permission to reprint portions of the Standard.DISCLAIMERASHRAE uses its best efforts to promulgate Standards and Guidelines for the benefit of the public in lig

11、ht of available information and acceptedindustry practices. However, ASHRAE does not guarantee, certify, or assure the safety or performance of any products, components, or systemstested, installed, or operated in accordance with ASHRAEs Standards or Guidelines or that any tests conducted under its

12、Standards or Guidelineswill be nonhazardous or free from risk.ASHRAE INDUSTRIAL ADVERTISING POLICY ON STANDARDSASHRAE Standards and Guidelines are established to assist industry and the public by offering a uniform method of testing for rating purposes, bysuggesting safe practices in designing and i

13、nstalling equipment, by providing proper definitions of this equipment, and by providing other informationthat may serve to guide the industry. The creation of ASHRAE Standards and Guidelines is determined by the need for them, and conformanceto them is completely voluntary.In referring to this Stan

14、dard or Guideline and in marking of equipment and in advertising, no claim shall be made, either stated or implied,that the product has been approved by ASHRAE.ASHRAE Standing Standard Project Committee 170Cognizant TC: 9.6, Healthcare FacilitiesSPLS Liaison: John F. DunlapPaul T. Ninomura, Chair* J

15、ames (Skip) Gregory* Farhad Memarzadeh*Chris P. Rousseau,Co-Vice Chair and Secretary*Richard D. Hermans Richard D. Moeller*Michael P. Sheerin,Co-Vice Chair*Nolan Hosking* Tyler NinomuraJohn M. Dombrowski* Michael R. Keen Russell N. Olmsted*Douglas S. Erickson* Peter H. Langowski* Heather L. Platt*Jo

16、nathan J. Flannery* Michael F. Mamayek* Gordon P. Sharp* Denotes members of voting status when the document was approved for publicationASHRAE STANDARDS COMMITTEE 20142015Richard L. Hall, Chair James W. Earley, Jr. Mark P. ModeraDouglass T. Reindl, Vice-Chair Steven J. Emmerich Cyrus H. NasseriJosep

17、h R. Anderson Patricia T. Graef Heather L. PlattJames Dale Aswegan Rita M. Harrold Peter SimmondsCharles S. Barnaby Adam W. Hinge Wayne H. Stoppelmoor, Jr.Donald M. Brundage Srinivas Katipamula Jack H. ZarourJohn A. Clark Debra H. Kennoy Julia A. Keen, BOD ExOWaller S. Clements Malcolm D. Knight Bja

18、rne Wilkens Olesen, CODavid R. Conover Rick A. LarsonJohn F. Dunlap Arsen K. MelkovStephanie C. Reiniche, Senior Manager of Standards ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAE

19、s prior written permission.ANSI/ASHRAE/ASHE Addendum d to ANSI/ASHRAE/ASHE Standard 170-2013 1(This foreword is not part of this standard. It is merelyinformative and does not contain requirements necessaryfor conformance to the standard. It has not been pro-cessed according to the ANSI requirements

20、 for a standardand may contain material that has not been subject topublic review or a consensus process. Unresolved objec-tors on informative material are not offered the right toappeal at ASHRAE or ANSI.)FOREWORDThis addendum clarifies the requirements for certain exhaustdischarges. Terminology fo

21、r the Emergency Department pub-lic waiting area is made consistent within the tandard andwith the FGI Guidelines (refer to Paragraph 2.2-3.1.3.4 fromthe FGI-2014). Terminology for nuclear medicine hot lab ismade consistent within the standard and with the FGI Guide-lines (refer to Paragraph 2.2-3.6.

22、6.16 of FGI-2014).Note: In this addendum, changes to the current standardare indicated in the text by underlining (for additions) andstrikethrough (for deletions) unless the instructions specifi-cally mention some other means of indicating the changes.6.3.2 Exhaust Discharges.6.3.2.1 General. Exhaus

23、t discharge outlets from AIIrooms, bronchoscopy and sputum collection and pentamidineadministration rooms, e Emergency d Department publicwaiting areas rooms, nuclear medicine hot labs laboratories,radiology waiting rooms programmed to hold patients whoare waiting for chest x-rays for diagnosis of r

24、espiratory dis-ease, pharmacy hazardous-drug exhausted enclosures, andlaboratory work area chemical fume hoods shalla. be designed so that all ductwork within the building isunder negative pressure;Exception: Ductwork located within mechanical equipmentrooms. Positive-pressure exhaust ductwork locat

25、ed withinmechanical equipment rooms shall be sealed in accor-dance with SMACNA duct leakage Seal Class A.10b. discharge in a vertical direction at least 10 ft (3 m) aboveroof level and shall be located not less than 10 ft horizon-tally from air intakes, openable windows/doors, or areasthat are norma

26、lly accessible to the public or maintenancepersonnel and that are higher in elevation than the exhaustdischarge; andcb. be located such that they minimize reduce the potential forthe recirculation of exhausted air back into the building.6.3.2.2 Additional Requirementsa. Exhaust discharge outlets fro

27、m AII rooms, bronchoscopyand sputum collection exhaust, pharmacy hazardous-drugexhausted enclosures, and laboratory work area chemicalfume hoods shall additionally be arranged to discharge tothe atmosphere in a vertical direction (with no rain cap orother device to impede the vertical momentum) and

28、atleast 10 ft (3 m) above the adjoining roof level.b. Exhaust discharge outlets from laboratory work areachemical fume hoods shall discharge with a stack velocityof at least 2500 fpm (1180 L/s).c. Exhaust discharge outlets from AII rooms, bronchoscopyand sputum collection exhaust, and laboratory wor

29、k areachemical fume hoods shall be located not less than 25 ft(8 m) horizontally from outdoor air intakes, openablewindows/doors, and areas that are normally accessible tothe public.Exception to Section 6.3.2.2(c): If permitted by theauthority having jurisdiction, an alternate location(e.g., located

30、 adjacent to an air intake but with theexhaust discharge point above the top of the airintake) may be utilized. The submitted reentrainmentanalysis shall demonstrate that an exhaust dischargeoutlet located at a distance less than 25 ft (8 m) hori-zontally provides a lower concentration of reentrain-

31、ment than all the areas located at a distance greaterthan 25 ft (8 m) horizontally on the roof level wherethe exhaust discharge is located.Addendum d to Standard 170-2013Revise Section 6.3.2 as follows. ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmi

32、ssion in either print or digital form is not permitted without ASHRAEs prior written permission.2 ANSI/ASHRAE/ASHE Addendum d to ANSI/ASHRAE/ASHE Standard 170-2013ReviseTable7.1asshownbelow.TheremainderofTable7.1isunchanged.TABLE7.1DesignParametersFunctionofSpacePressureRelationshiptoAdjacentAreas(n

33、)Minimum OutdoorachMinimum TotalachAllRoomAirExhausted DirectlytoOutdoors(j)AirRecirculatedbyMeansofRoomUnits(a)Design RelativeHumidity(k),%DesignTemperature(l),F/CSURGERYANDCRITICALCAREEREmergencyDepartmentpublicwaitingarearoomsNegative212Yes(q)N/RMax657075/2124 ASHRAE (www.ashrae.org). For persona

34、l use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAEs prior written permission.POLICY STATEMENT DEFINING ASHRAES CONCERNFOR THE ENVIRONMENTAL IMPACT OF ITS ACTIVITIESASHRAE is concerned with the impact of its members activ

35、ities on both the indoor and outdoor environment.ASHRAEs members will strive to minimize any possible deleterious effect on the indoor and outdoor environment ofthe systems and components in their responsibility while maximizing the beneficial effects these systems provide,consistent with accepted S

36、tandards and the practical state of the art.ASHRAEs short-range goal is to ensure that the systems and components within its scope do not impact theindoor and outdoor environment to a greater extent than specified by the Standards and Guidelines as established byitself and other responsible bodies.A

37、s an ongoing goal, ASHRAE will, through its Standards Committee and extensive Technical Committee structure,continue to generate up-to-date Standards and Guidelines where appropriate and adopt, recommend, and promotethose new and revised Standards developed by other responsible organizations.Through

38、 its Handbook, appropriate chapters will contain up-to-date Standards and design considerations as thematerial is systematically revised.ASHRAE will take the lead with respect to dissemination of environmental information of its primary interest andwill seek out and disseminate information from othe

39、r responsible organizations that is pertinent, as guides to updatingStandards and Guidelines.The effects of the design and selection of equipment and systems will be considered within the scope of thesystems intended use and expected misuse. The disposal of hazardous materials, if any, will also be

40、considered.ASHRAEs primary concern for environmental impact will be at the site where equipment within ASHRAEs scopeoperates. However, energy source selection and the possible environmental impact due to the energy source andenergy transportation will be considered where possible. Recommendations co

41、ncerning energy source selectionshould be made by its members. ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAEs prior written permission.About ASHRAEASHRAE, founded in 1894, is a gl

42、obal society advancing human well-being through sustainable technology for thebuilt environment. The Society and its members focus on building systems, energy efficiency, indoor air quality,refrigeration, and sustainability. Through research, Standards writing, publishing, certification and continui

43、ngeducation, ASHRAE shapes tomorrows built environment today. For more information or to become a member of ASHRAE, visit www.ashrae.org.To stay current with this and other ASHRAE Standards and Guidelines, visit www.ashrae.org/standards.Visit the ASHRAE BookstoreASHRAE offers its Standards and Guide

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46、 thisStandard, visit www.ashrae.org/standards to download them free of charge.Addenda, errata, and interpretations for ASHRAE Standards and Guidelines are nolonger distributed with copies of the Standards and Guidelines. ASHRAE providesthese addenda, errata, and interpretations only in electronic form to promotemore sustainable use of resources.5/15ASHRAE 1791 Tullie Circle NE Atlanta, GA 30329 www.ashrae.org