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31、B-1 NFPA and National Fire Protection Association are registered trademarks of the National Fire Protection Association, Quincy, Massachusetts 02169. Copyright 2017 National Fire Protection Association . All Rights Reserved. NFPA 99B Standard for Hypobaric Facilities 2018 Edition This edition of NFP
32、A 99B, Standard for Hypobaric Facilities, was prepared by the Technical Committee on Hyperbaric and Hypobaric Facilities and released by the Correlating Committee on Health Care Facilities. It was issued by the Standards Council on August 1, 2017, with an effective date of August 21, 2017, and super
33、sedes all previous editions. This edition of NFPA 99B was approved as an American National Standard on August 21, 2017. Origin and Development of NFPA 99B In 1965, when the Subcommittee on Hyperbaric Facilities was appointed, several hospitals were employing hypobaric therapy to treat respiratory di
34、seases. Additionally, NASA and the U.S. Air Force were working with hypobaric chambers for space and air ight. The name of the subcommittee was then changed to Hyperbaric and Hypobaric Facilities, and the initial version of a document on this subject was prepared. A tentative standard on the subject
35、, NFPA 56E-T, was adopted at the 1971 Annual Meeting. In May 1972, the document was adopted as an ofcial standard. The document was revised again for the 1977 NFPA Annual Meeting. A complete review of NFPA 56E was accomplished for the 1981 Fall Meeting. That edition was designated NFPA 56E-1982. In
36、1984, NFPA 56E was combined with 11 other health care documents to form NFPA 99, Standard for Health Care Facilities. NFPA 56E essentially became Chapter 11 of NFPA 99. In that revision, the major change made to the 1982 edition of NFPA 56E was a complete revision of requirements for Class D chamber
37、s to reect their use for high-altitude training purposes. (Such chambers do not require as extensive safety precautions as research and clinical chambers.) During the revision for the 1987 edition of NFPA 99, it was brought to the attention of the Subcommittee on Hyperbaric and Hypobaric Facilities
38、that hypobaric chambers were no longer used for medical purposes. As such, the material on hypobaric facilities really did not belong in NFPA 99. Thus, the subcommittee proposed that this material be separated from NFPA 99 and again published as a distinct NFPA document. It was designated NFPA 99B.
39、Minor revisions were made to editions adopted in 1987 and 1990. For the 1993 edition of Standard for Hypobaric Facilities, the one signicant change was the identication of the safety director as the person responsible for disseminating information on hazards associated with operating hypobaric facil
40、ities. For the 1996 edition, the major changes included clarifying the application of the document (Chapters 14) and deleting a Class Ftype chamber because the committee was unaware of hypobaric techniques involving articial atmospheres. The 1999 edition modied several paragraphs to conform to the M
41、anual of Style for NFPA Technical Committee Documents for enforceable language. Other changes were editorial in nature. The 2002 edition included format revisions. The Manual of Style for NFPA Technical Committee Documents was applied in this documents restructure and format. Introductory material i
42、n Chapter 1 was formatted for consistency among all NFPA documents. Referenced publications that applied to the document were relocated to Chapter 2, resulting in the renumbering of chapters. Informational references remained in the last annex. Appendices were designated as annexes. Denitions in Cha
43、pter 3 were reviewed for consistency with denitions in other NFPA documents, were systematically aligned, and were individually numbered. Paragraph structuring was revised with the intent of having one mandatory requirement per section, subsection, or paragraph. Information thatHYPOBARIC FACILITIES
44、99B-2 2018 Edition often accompanied many of the requirements was moved to Annex A. Exceptions were deleted or rephrased in mandatory text, unless the exception represented an allowance or required alternate procedure to a general rule when limited specied conditions existed. The revised format appe
45、arance and structure provided continuity among NFPA documents, clarity of mandatory text, and greater ease in locating specic mandatory text. The 2005 edition was slightly modied to clarify some requirements. The ventilation rate was specied by the purchaser, detection in Class D chambers was made o
46、ptional, the wiring method in Class E chambers was downgraded, aviation-type masks in chambers were made optional, the hazards of titanium were discussed, and ttings were listed for oxygen service. The 2010 edition of the standard made minor changes in denitions to correlate with other denitions fro
47、m the Glossary of Terms. The 2015 edition of the standard was revised to update the referenced standards to the most current editions available and to correct several references to NFPA 99 to match the 2015 edition of that code. The 2018 edition of the standard was revised to update the referenced s
48、tandards to the most current editions available. It also changed language throughout the standard to better align with NFPA 99, specically in regards to interior paint/coating and ooring for Class D and E chambers and changing the wording “ame resistant (hypobaric)” to “limited-combustible (material
49、).”COMMITTEE PERSONNEL 99B-3 2018 Edition Correlating Committee on Health Care Facilities Michael A. Crowley, Chair JENSEN HUGHES, TX SE Chad E. Beebe, ASHE - AHA, WA U Constance Bobik, B b) from re and explosion hazards; c) in connection with the use of hyperbaric and hypobaric facilities for medical purposes; d) through performance, maintenance and testing criteria for electrical systems, both normal and essential; and e) through performance, maintenance and testing, and installation criteria: (1) for vacuum systems for medical or s
