Presented by: Danny Webster ASSE 6020 Medical Gas Inspector ASSE Medical Gas Verifier Phone:

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Presentation transcript:

Presented by: Danny Webster ASSE 6020 Medical Gas Inspector ASSE Medical Gas Verifier Phone:

Health Care Facilities Code NFPA 99 is now a “Code” – now longer just a “Standard”. As such it is on an equal level with – i.e. NFPA 70, National Electric Code (NEC), NFPA1 Fire Code and NFPA 101 Life Safety Code.

Health Care Facilities Code The code now gives equal importance to the protection of the caregiver as well as the patient.

Changes to Chapter 4 Fundamentals 4.1 Building System Categories. Building systems in health care facilities shall be designed to meet system Categories 1 through 4 requirements as detailed in this code Category 1 Facility systems in which failure of such equipment or system is likely to cause major injury or death of patients or caregivers… Category 2 Facility systems in which failure of such equipment is likely to cause minor injury to patients or caregivers… Category 3 Facility systems in which failure of such equipment is not likely to cause injury to patients or caregivers, but can cause patient discomfort… Category 4 Facility systems in which failure of such equipment would have no impact on patient care…

Changes to Chapter 4 Fundamentals When & why did it change from Levels to Categories? How is “the facility” for the purposes of the medical gas pipeline equipment required defined? Who makes the decision as to which Category applies and how? How do the Architect/Engineer and the Certifiers know what to design and certify to?

Changes to Chapter 4 Fundamentals 4.2 Risk Assessment. Categories shall be determined by following and documenting a defined risk assessment procedure. 4.3 Application. The Category definitions in Chapter 4 shall apply to Chapters 5 through 11.

Changes to Chapter 4 Fundamentals Risk Assessment: ISO/IEC 31010, Risk Management –Risk Assessment Techniques, NFPA 551, Guide for the Evaluation of Fire Risk Assessments., Guide for the Evaluation of Fire Risk Assessments, SEMI S E, Safety Guideline for Risk Assessment and Risk Evaluation Process, or other formal process. The results of the assessment procedure should be documented and records maintained.

Changes to Chapter 4 Fundamentals Example of risk assessment: An outpatient surgery center performs a procedure that requires the patient to be placed on a ventilator during the procedure. In the event of a loss of medical gases the life of the patient will be placed at risk. This causes this facility to have to comply with category 1 requirements. The facilities are classed by the type of procedures performed.

When Am I Required To Upgrade An existing system that is not in strict compliance with the provisions of this code shall be permitted to be continued in use as long as the authority having jurisdiction has determined that such use does not constitute a distinct hazard to life. NFPA 99 is not the only code that would determine “hazardous conditions” OSHA regualtions could apply in a cylinder storage area as to whether it should be monitored as a confined space for example. There are reasons the code is upgraded. The ongoing risk assessment evaluation is also part of our responsibility as knowledgeable professionals.

NFPA 99 Chapter 5 Changes 5.1, 5.2 and 5.3 (as a result of the Chapter 4 Fundamentals changes) are now all changed through out from Levels to Categories Hyperbaric Facilities are not classed under the “Category System” but must comply with Chapter 14.

Changes to Chapter 4 Fundamentals The NFPA 99 code standards are very effective in reducing construction related hazards. The majority of issues with medical gas systems are operational and maintenance related; therefore, a very extensive guide to maintenance has been added in of the 2012 code.

NFPA 99 Chapter 5 Changes Subsection through and shall apply to new health care facilities or facilities making changes that alter the piping Paragraph through and through shall apply to existing health care facilities Paragraph and shall apply to new and existing health care facilities.

NFPA 99 Chapter 5 Changes Design and Construction. Locations for central supply systems and the storage of positive- pressure gases shall meet the following requirements: (3) If outdoors, they shall be provided with an enclosure (wall or fencing) constructed of noncombustible material with a minimum of two entry/exits. (New) (5) They shall be compliant with NFPA 70, National Electric Code for ordinary locations (10) They shall protect electrical devices from physical damage (no longer 5 feet AFF)

NFPA 99 Chapter 5 Changes Control equipment. (New) Controls for central supply systems shall be permitted to be installed remotely as long as it is in a secure location, the enclosure provides enough space to perform maintenance and repair and for all sources except medical air does not communicate with combustible or flammable materials.

NFPA 99 Chapter 5 Changes Example: Bulk oxygen system that would supply both a Hyperbaric facility at 75 psi and also the facility at 55 psi. The underground oxygen supply to the bldg. may enter the bldg. at 125 psi and then be divided and regulated inside the bldg. with separate dual final line regulators, the appropriate valves, alarms etc…

NFPA 99 Chapter 5 Changes Permitted Locations for Medical Gases. This paragraph has been re-written to require that patient medical gases may only be piped into areas where their use would be under the supervision of licensed clinicians for patient treatment: Secondary permissible use location is for calibration of medical devices intended for patient usage.

NFPA 99 Chapter 5 Changes (1) Materials. In those portions of systems intended to handle oxygen at gauge pressures greater than 2413 kPa (350 psi), interconnecting hose shall contain no polymeric materials. Was 300 psi

NFPA 99 Chapter 5 Changes (1) If located outdoors, be installed in an enclosure used only for this purpose and sited to comply with minimum distance requirements in NFPA 55. Was per NFPA (1) If located outdoors, be installed in an enclosure used only for this purpose and sited to comply with minimum distance requirements in NFPA 55. Was per NFPA

NFPA 99 Chapter 5 Changes A variant on the cryogenic liquid container manifold shall be permitted having three headers of cylinders. Deleted Bulk Cryogenic Liquid Systems…shall be in accordance with NFPA (6) Have a minimum clearance of 3 ft around the storage container, vaporizer(s), and pressure regulating manifold for system maintenance and operation. NEW (7) A minimum of 3 ft of clearance around the EOSC for connection of temporary auxiliary source. NEW

NFPA 99 Chapter 5 Changes (c) Liquid ring compressors shall comply with the following: (2) Reserve medical air standby headers or a backup compressor shall be installed. NEW

NFPA 99 Chapter 5 Changes Compressor Intake (A) The medical air compressors shall draw their air from a source of clean air. (B) The medical air intake shall be located a minimum of 25 ft from ventilating system exhausts, fuel storage vents, combustion vents, plumbing vents, vacuum & WAGD discharges, or areas that can collect vehicular exhausts or other noxious fumes. (c) The medical air intake shall be located a minimum of 20 ft above ground level. (d) The medical air intake shall be located a minimum of 10 ft from any door, window, or other opening in the building. NEW

NFPA 99 Chapter 5 Changes (4) Liquid hydrocarbons shall be monitored on a continuous basis by pigment indicator or other type of instrument permanently installed downstream of each compressor and shall be inspected & documented daily. DELETED

NFPA 99 Chapter 5 Changes Medical Air Quality Monitoring (1) Dew point shall be monitored and shall activate a local alarm and all master alarms when the dew point at system delivery pressure exceeds + 2 degrees C (+35 degreed F). Was +4 C / +39 F

NFPA 99 Chapter 5 Changes Category 1 Medical Air Proportioning System New System uses bulk oxygen and bulk nitrogen to “make” synthetic air at a ratio of 80% nitrogen and 20% oxygen. More expensive than compressed air, but air quality is dry, pure and can be precisely controlled by this method. Existing nitrogen and oxygen bulk systems can be utilized.

NFPA 99 Chapter 5 Changes Zone Valve – Mostly re-written Manufactured Assemblies – Requirement to be DISS has been dropped Category 1 Warning Systems – All references to “wired” have been changed to “communicate”

NFPA 99 Chapter 5 Changes (New) Booms & articulating assemblies, other than headwalls, utilizing flexible connectors shall be inspected for leaks at a minimum of once every 18 months. Facility to determine how best to accommodate this requirement. 10 minute leak test? Visual Hose Inspection with remote camera? Some booms have hoses enclosed in a carrier hose.

NFPA 99 Chapter 5 Changes (14) (New) Alarm switches/sensors shall be installed so as to be removable. (Remote Ceiling Locations? (New) Area alarm panels for medical gas systems shall provide visual & audible indication in the event a mismatch occurs between transducer(s) and its associated circuit board(s) (New) New or replacement in-line check valves shall be as follows: (1) brass or bronze construction (2) have brazed extensions (3) permit inline serviceability (4) shall not have threaded connections

NFPA 99 Chapter 5 Changes (New) Medical gas/vacuum systems maintenance & record keeping – was under NFPA chapter 9 – now has been brought under chapter – Level 3 systems has been completely re-written - some of the noteworthy changes are: verification is required by a 6030, ventilation requirements same as for Level 1 & 2, requirements for: shut-off valves, labeling of the medical gas supply system, cylinder storage & handling, pipe support, underground piping, verification tests.

Basic Maintenance Requirements Maintain an inventory of all source subsystems, control valves, alarms, manufactured assemblies (headwalls, columns, booms etc) and outlets. Every outlet should be inventoried. Maintain scheduled inspections as determined by facilities risk assessment summation and manufacturer’s requirements and as determined by the authority having jurisdiction. A Facilities should consider annual inspection of equipment and correct any deficiencies.

Facility shall determine it’s own inspection procedures and testing methods established through its own risk assessment. Maintenance Schedules shall be performed at intervals established by facilities risk assessment, original equipment manufacturers recommendations and other recommendations as required by the AHJ. QUALIFICATIONS – Persons maintaining these systems shall be qualified to perform the required operations. Appropriate qualifications shall be demonstrated by ANY of the following:

Facility Qualifications of Maintenance Personnel Training and certification through the healthcare facility to work with the specific equipment as installed in that facility. Credentialing to the requirements of ASSE 6040, Professional Qualification Standard for Medical Gas Maintenance Personnel. Credentialing to the requirements of ASSE 6030, Professional Qualification Standard for Medical Gas Systems Verifiers

Practical Applications For Hospital Engineering Staff Areas for consideration that often get overlooked. Tie in of new outlets results in existing zone not passing the required pressure integrity inspections. Zone valves being located in the room with the existing outlets. Location of remote alarms in an inaccessible location New Zone Valves can be ordered with alarm sensors located in the zone valve box. Alarms to be within sight and hearing of the nurse station.