Term
| This is defined as the committee's responsibility for documenting performance, maintenance, installation, and testing of medical and dental related gas piping systems and medical and dental related vacuum piping systems based of established risk. |
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Definition
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Term
| Who shall the NFPA 99 code apply to? |
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Definition
| All health care facilities other than home care and veterinary care. |
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Term
| What are the two support gases? |
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Definition
| Nitrogen and instrument air. |
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Term
| Why are liquid ring compressors treated for service water and seal water? |
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Definition
| To prevent waterborne pathogens and chlorine from hyperchlorination from entering the medical air. |
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Term
| How are WAGD supply sources chosen? |
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Definition
| In consultation with the medical staff having knowledge of the requirements to determine the type of system, number and placement of terminals, and other required safety operating devices. |
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Term
| What are the 5 requirements for in-line check valves? |
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Definition
1. Brass or bronze.
2. Brazed extensions.
3. In-line serviceability.
4. 1/8" NPT threaded purge points.
5. No threaded connections. |
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Term
| What must be installed in a down-facing position, such as a ceiling or ceiling column, station outlet/inlet, and never threaded? |
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Definition
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Term
| What are 5 types of protections for supervised wiring and switches as required by NFPA 70? |
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Definition
1. Conduit.
2. Free-air (wireless).
3. Wire.
4. Cable tray.
5. Raceways. |
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Term
| What is the color code for nitrogen? |
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Definition
| Black background with white text. |
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Term
| What is the color code for medical-surgical vacuum? |
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Definition
| White background with black text. |
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Term
| Source equipment shall be labeled or tagged to identify the patient medical gas, the support gas, or the vacuum system, and shall include the following 4 conditions: |
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Definition
1. Name of the gas or vacuum system.
2. Gas or vacuum system code.
3. Room, area, or building served.
4. Emergency contact info for the department or individual responsible for maintaining the equipment. |
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Term
| What size area shall be provided for the opening area of natural ventilation? |
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Definition
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Term
| Where are the vent openings required for natural ventilation. |
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Definition
| 1 foot off the floor and 1 foot off the ceiling. |
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Term
| What is the airflow range of mechanical exhaust. |
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Definition
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Term
| What are the 5 fields tests in order? |
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Definition
1. Initial piping blowdown.
2. Initial pressure test.
3. Initial cross-connection test.
4. Initial piping purge test.
5. Standing pressure test for positive gas pressures. |
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Term
| What kind of warning system within an area provides continuous visible and audible surveillance of category 1 and category 2 medical gas and vacuum systems? |
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Definition
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Term
| What is provided to the portion of the central supply system that will supply the piping system when the primary and secondary supplies are exhausted or are not operative? |
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Definition
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Term
| When multiple vacuum pumps are joined together in one common exhaust, how must the exhaust be sized? |
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Definition
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Term
| What valve is permitted to be installed to isolate or shut off piping for service of individual rooms or areas? This also permits medical gas and vacuum systems with the same contents to interconnect. |
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Definition
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Term
| What must be installed in each medical gas or vacuum line, immediately outside each vital life-support, critical care and anesthetizing locations of moderate sedation, deep sedation, or general anesthesia? |
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Definition
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Term
| When using the autogenous orbital welding process, joints shall be continuously purged inside and out with inert gas in accordance with... |
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Definition
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Term
| What kind material can be used for positive pressure patient gas systems, medical support gas systems, vacuum systems, and WAGD systems, and shall include turns, offsets, and other changes in directions made by tube bending? |
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Definition
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Term
| What kind of tubing is prohibited in systems with mechanically formed, drilled, and extruded tee-branch connections? |
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Definition
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Term
| CMT shall be identified by the manufacturer as suitable for oxygen service at every... |
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Definition
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Term
| Prior to any work the installer of medical gas and vacuum piping shall provide and maintain documents on the job site for the qualifications of ___ and ___. |
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Definition
| Brazing procedures (BPS 482); Brazers performance (BPQ 484) |
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Term
| The air quality tests shall be conducted after the medical air source system has been operating normally, but with the source valve closed under a simulated load for an elapsed time of at least... |
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Definition
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Term
| Before the piping system is put into use, who is responsible for the ascertaining that the gas delivered to the outlet/inlet has the proper labels and connecting fittings? |
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Definition
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Term
| Inspection and testing shall be performed on all new piped gas systems, additions, renovations, temporary installations, or repaired systems to assure the facility that all applicable provisions of NFPA 99C have been adhered to and system integrity has been achieved or maintained. What is required of the individual doing the testing or inspecting? |
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Definition
| Documented process and procedure |
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Term
| Who determines the regularly scheduled maintenance tests on the medical-surgical vacuum station inlet terminal? |
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Definition
| Facility maintenance staff |
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Term
| How often must the facility conduct testing and calibration procedures on the monitors for the oxygen concentrator? |
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Definition
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Term
| How long are test records held for the audible and visible alarm indicators? |
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Definition
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Term
| Category 3 distribution shall comply with... |
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Definition
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Term
| What is the minimum pipe size for category 2 oxygen systems? |
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Definition
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Term
| What system shall be used where the dental treatment involves general anesthesia or deep sedation? |
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Definition
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Term
| What schedule PVC pipe should be used in category 2 dental vacuum systems? |
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Definition
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Term
| When shall testing of the warning systems for new installations be performed? |
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Definition
| After the cross-connection test but before the purging the pipe. |
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Term
| What is the limit value of carbon dioxide allowable in the medical air? |
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Definition
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Term
| What is the limit value of halogenated hydrocarbons allowable in the medical air? |
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Definition
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Term
| What are the requirements for having sources of instrument air in a category 1 system? |
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Definition
1. At least two compressors.
2. One compressor and a standby header. |
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Term
| Where does the instrument air from the standby header enter the system? |
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Definition
| Upstream of the final line filters. |
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Term
| Where do compressors draw their source of medical air? |
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Definition
| From any source of clean air. |
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Term
| Why would a medical air compressor be prohibited from drawing air from ventilating system? |
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Definition
| If the ventilating system has motors or drive-belts located directly in the air stream. |
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Term
| What are 3 main differences in the piping arrangements for instrument air as compared to medical air? |
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Definition
1. Simplex after coolers.
2. Three-valve receiver bypass not required.
3. Standby headers are isolated from compressor by a check valve to prevent back flow. |
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Term
| What kind of alarm provides continuous visible and audible surveillance of category 1 and category 2 medical gas and vacuum systems? |
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Definition
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Term
| What kind of alarm provides continuous visible and audible surveillance of medical gas and vacuum source equipment at the equipment site? |
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Definition
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Term
| What kind of alarm monitors the operation and condition of the source supply, the source reserve (if any), and the pressure in the main lines of each medical gas and vacuum piping system? |
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Definition
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Term
| What device automatically reduces gas under high pressure to a usable lower working pressure? |
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Definition
| Pressure reducing regulator |
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Term
| What is installed in central supply systems to prevent debris from entering the manifold controls? |
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Definition
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Term
| Where is the auxiliary source connection located in all cryogenic fluid central supply systems? |
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Definition
| In the main line, immediately downstream and patient side of the source valve. |
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Term
| How do liquid ring and permanently sealed bearing compressors separate the oil-containing section from the compression chamber? |
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Definition
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Term
| Which alarm will activate when the capacity of the medical vacuum supply system not in use is less than the equivalent capacity of one pump? |
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Definition
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Term
| What produces vacuums below 5" HgV, is interconnected via piping or ductwork, and is made of materials determined suitable by the manufacturer? |
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Definition
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Term
| Where shall the WAGD sources be located? |
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Definition
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Term
| Which alarm will activate where the WAGD system not in use is less than the equivalent of one producer? |
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Definition
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Term
| Which side of the source valve shall the main line valve be located, where the main valve enters the building? |
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Definition
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Term
| What valve is permitted to be installed to isolate or shut off piping for servicing individual rooms or areas? |
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Definition
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Term
| What valve shall be placed at the immediate connection of each distribution piping system? |
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Definition
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Term
| Category 1 spaces area alarm sensors for vital life support and critical care areas shall be located on which side of the zone valve box assemblies? |
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Definition
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Term
| In areas for anesthetizing locations, which sides are the sensors installed on the individual room zone valve box assembly? |
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Definition
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Term
| Flexible connectors of other than all-metal construction that connect manifolds to the gas distribution piping shall not exceed ___ in length and shall not penetrate walls, floors, ceilings, or partitions. |
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Definition
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Term
| What is the minimum pipe size for category 2 oxygen systems? |
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Definition
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Term
| What is the minimum pipe size for category 2 nitrous oxide systems? |
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Definition
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Term
| Where shall the gas produced by evaporation from the secondary header in a cryogenic liquid container enter the system? |
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Definition
| Upstream of the final line regulator. |
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Term
| What shall be monitored on compressors that separate the oil containing section from the compression chamber? (2) |
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Definition
1. Gaseous hydrocarbons
2. High temperature |
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Term
| Which type of supervision is required for a medical gas and vacuum warning system that employs a wireless communication device? |
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Definition
| Failure of communication shall initiate an alarm. |
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Term
| In a non-anesthetizing area, on which side of a zone valve shall the area alarm pressure/vacuum sensor be located? |
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Definition
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Term
| Under what conditions permit the use of a tool to mechanically limit the makeup depth of the fitting? |
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Definition
| Where limited depth is not less than the minimum cup depth per ANSI/ASME. |
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Term
| Who shall be responsible for developing an emergency plan in the event of medical air loss at a category 2 facility? |
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Definition
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Term
| WAGD networks shall provide a WAGD inlet in all locations where ___ is intended to be administered. |
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Definition
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Term
| If a nonmetallic flexible connector is being used in a category 1 health care facility to connect the manifold to the gas distribution piping, what is the maximum length permitted for the flexible connector? |
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Definition
| They shall be no longer than necessary. |
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Term
| A signal from each ___ system shall be connected to the master alarm panels to indicate that a problem is present with the source equipment. |
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Definition
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Term
| What is required for area alarm panels? |
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Definition
| Provide visual and audible indication. |
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Term
| What sections or potions of piping systems serve a room or group of rooms on the same story of the facility. |
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Definition
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Term
| Factory installed copper outlet tubes on station inlets shall be no less than ___ with 0.4" minimum inside diameter? |
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Definition
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Term
| After completion of all installer-performed tests, which methods shall be used to determine that no cross-connections exist? |
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Definition
| Individual pressurization or pressure differential |
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Term
| What kind of valve is required at each station inlet? |
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Definition
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Term
| Where are medical gas central supply systems not permitted to be located? |
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Definition
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Term
| Fittings, valves, and other components for oxygen use in a category 1 distribution system shall be ___ until prepared for installation. |
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Definition
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Term
| What shall be provided with all pressure switches and mainline gauges downstream of the source valve to facilitate service, testing, or replacement? |
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Definition
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Term
| What information is included on the label for manufactured assemblies employing flexible hoses? (3) |
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Definition
1. System name or symbol
2. Color code
3. Date of installation |
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Term
| What is the difference between a source valve and a main-line valve? |
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Definition
| Source valves are used if the source is in the building. Main-line valves connect the bulk source from outside to the distribution piping inside. |
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