TWIN2012 Willard

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  • INTRODUCTIONAbout the PresenterJonathan Willard, Medical Gas Systems ConsultantExperience in Medical Gas and Healthcare Construction Industry for over 16 YearsASSE 6010, 6015, 6020, 6030, 6040, 6050, & 6055 CertifiedMGPHO Credentialed Medical Gas Verifier (V-0135)Currently serving as Vice President of Legal for the Medical Gas Professional Healthcare Organization Board of DirectorsPrincipal Member of Technical Committee on Medical Gas and Vacuum Piping Systems (NFPA 99) & Technical Committee on Industrial and Medical Gases (NFPA 55)Certified Healthcare Constructor (CHC) & Project Management Professional (PMP) with a Masters Degree in Business Education


  • INTRODUCTIONAbout Certified Medical Gas Services:Medical Gas System Consulting ServicesCode Compliance Review & Risk AssessmentsMock SurveysComprehensive Operation and Management ProgramsMaintenance, Inspection, and Testing ProgramsBest Practices & RecommendationsEmergency Preparedness & Policy and Procedure DevelopmentMedical Gas System Inspection, Testing, and Verification ServicesMedical Gas System Service and Preventative MaintenanceMedical Gas System Sales & Installation ServicesMedical Gas System Training & CertificationOn-Site Training & CertificationsOn-Line Training & Certifications


  • Although Jonathan C. Willard is a principal member of the NFPA Technical Committee on Medical Gas and Vacuum Piping Systems, which is responsible for the applicable sections of NFPA 99: Health Care Facilities Code, and a principal member of the NFPA Technical Committee on Industrial and Medical Gases, responsible for NFPA 55: Compressed Gases and Cryogenic Fluids Code, the views and opinions expressed in this presentation are purely the authors and shall not be considered an official position of the NFPA or any of its Technical Committees and shall not be considered, nor be relied upon as, a Formal Interpretation or promotion of the NFPA.Readers are encouraged to refer to the entire text of all referenced documents.

  • The information in this presentation should not be confused with Federal, State, Provincial, or Municipal codes, standards, or regulations; insurance requirements; or national safety codes. These materials are to be used on a voluntary basis and should not be considered absolute. Certified Medical Gas Services (CMGS) disclaims liability for any personal injury, property, or other damages of any nature, whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use, or reliance on these materials. CMGS makes no guarantee or warranty as to the accuracy or completeness of any information contained in this presentation.

  • CopyrightThe information in this presentation is protected by copyright:Copyright 2011 Certified Medical Gas Services. All Rights Reserved.Except as specifically permitted herein, no portion of the information in this presentation may be reproduced in any form or by any means without prior written permission fromCertified Medical Gas Services and Jonathan Willard.All materials presented are copyrighted and the exclusive property of Mr. Jonathan Willard and Certified Medical Gas Services. This document is not to be copied, reproduced, distributed, used, or displayed, in whole or in part, without the express written consent of Certified Medical Gas Service and Jonathan Willard.Doing so may result in severe civil and criminal penaltiesIf you do not agree to these terms below, you are not authorized to use the presentation.Use of Presentation MaterialsUnless indicated otherwise, you may view, copy, print, and distribute this presentation, subject to the following conditions:The document may be used solely for personal, informational, non-commercial purposes;The document may not be modified or altered in any way;Any copy of the document or portion thereof must include the copyright notice above and this permission notice; andCertified Medical Gas Services reserves the right to revoke such authorization at any time, and any such use shall be discontinued immediately upon written notice from Certified Medical Gas Services.


    Legislative Process ChangesLevels vs. Categories

    Occupancy-Based vs. Risk-BasedCategory 3 Systems

    Category 3 systems (previously Level 3 systems) has gone through a total rewrite. I encourage you to review.

  • DEFINITIONSGeneral Anesthesia & Levels of SedationDefinition ChangeImportant for determination of Anesthetizing Locations

  • APPLICABILITY OF THE CODEExisting Systems Clause Still exists for existing systems not in compliance with the 2012 edition of NFPA 99. Unless it is determined that the condition poses a distinct hazard to life.Examples

    1.) Zone valve without a pressure gauge2.) No Master Alarm Warning System


    Defines which sections of the code apply to:1.) New Facilities2.) Existing Facilities3.) Both New and Existing Facilities

  • CENTRAL SUPPLY SYSTEM LOCATIONSCylinder Storage Temperature

    Minimum temperature for N2O and CO2 Cylinders is now -29C (-20F) or per the manufacturers recommendationsBulk Systems (Over 20,000 cu. ft.)

    - NFPA 55 for Oxygen SystemsCGA P-18 for Inert Gas SystemsCGA G-8.1 for Nitrous Oxide SystemsCGA G-6.1 or G-6.5 for CO2 Systems

  • DESIGN AND CONSTRUCTIONOutdoor Locations ( (3))

    Minimum of 2 entry /exit doors.


    Must be protected from physical damage. If at or above 5 feet AFF, then OK. If not, can be protected from physical damage.Ventilation Requirements

    This section has moved to Chapter 9.3.7.


  • CYLINDER STORAGE5. has been clarified

    The only time cylinders are allowed to be stored in a room with motor driven equipment is for an instrument air standby header if and only if this is the only equipment in the room. It is prohibited to store cylinder in any other location with motorized equipment.

  • CENTRAL SUPPLY SYSTEM LOCATIONSRemote Control Equipment (i.e. Regulators, valves, and gauges) for Central Supply Systems

    Control Equipment is allowed to be remote from the source equipment with this new provision (


  • LOCATIONS FOR MEDICAL GASES5. has been clarified

    Medical gases are only allowed in areas where they will be used under the direction of a licensed medical professional for the following purposes.Direct respiration by patientsClinical application of the gas to a patient.Medical device applications directly related to respirationPower for medical devices used directly on patientsCalibration of medical devices intended for (1) through (4) above

  • CENTRAL SUPPLY SYSTEMSFinal Line Regulators

    Now allowed to be constructed of any materials deemed suitable by the manufacturer ( (6))Three-Header Manifolds

    This section has been deleted from the text. This was a rarely used system configuration. Still allowed under the code, but does not have a dedicated section anymore.

  • CENTRAL SUPPLY SYSTEMSBulk Cryogenic Liquid Systems

    Most of this section has been moved to NFPA 55: Compressed Gases and Cryogenic Fluids Code. Some requirements still remain in NFPA 99 mostly dealing with system cascading operations, clearances for maintenance, alarm requirements, and the EOSC & In-Building Reserve requirements.

  • CENTRAL SUPPLY SYSTEMSIn-Building Reserve Headers

    Reinforced wording for sizing of these headers ( They must now be sized with consideration of the following:

    ) The minimum allowed cylinders or containers.2.) The ability of the supplier to restock the facility.3.) Access to alternative supplies / suppliers.4.) The facilities plan and ability to cope with an emergency outage.

  • MEDICAL AIR SYSTEMSParticulates Allowed

    Changed from 5 mg / m3 to 1 mg / m3.Hydrocarbon Indicator

    The requirement for a this pigment indicator has been removed.Liquid Ring Compressors

    - Must have seal water that is treated.Must be provided with cylinder backup.



  • MEDICAL AIR SYSTEMSMedical Air Intake Location

    The requirements for locations have now been aligned with the AIA / FGI Guidelines ( Now intakes must be 25 ft. from any exhaust or vent and 25 ft. from areas where noxious fumes may collect.Medical Air Intake Material

    Now can be made with any material allowed for vacuum pipelines.


  • MEDICAL AIR SYSTEMSMedical Air Dew Point

    This has been corrected (FINALLY).New Medical Air Source System

    Medical air proportioning systems or Blenders are now allowed ( These systems create synthetic air using Oxygen USP and Nitrogen NF systems to create medical air that meets the requirements of USP. The requirements for redundancy, system monitoring, automatic switching, alarms, etc. have also been added.

  • MEDICAL VACUUM SYSTEMSVacuum Exhaust Materials

    Piping Material can be anything appropriate for the service as determined by the manufacturer ( (6)).Vacuum Exhaust Location

    Exhaust locations must now discharge away from areas of public assembly ( (2)).

  • WAGD VACUUM SYSTEMSWAGD Systems using oil lubricated pumps (i.e. combined with the