ASTM F1949-99

Standard Specification for Medical Oxygen Delivery Systems for EMS Ground Vehicles

SCOPE
1.1 This standard covers minimum requirements for primary medical oxygen delivery systems for EMS ground vehicles used in the following applications:
1.1.1 The transportation of the sick and injured to or from an appropriate medical facility while basic, advanced, or specialized life support services are being provided.
1.1.2 The delivery of interhospital critical transport care.
1.1.3 The delivery of nonemergency, medically required, transport services, and
1.1.4 The transportation and delivery of personnel and supplies essential for proper care of an emergent patient.
1.2 This standard establishes criteria to be considered int he performance, specification, purchase, and acceptance testing of ground vehicles for EMS use.
1.3 This entire standard should be read before ordering an ambulance in order to be knowledgeable of the types of equipment that are available and their performance requirements. Due to the variety of ambulance equipment or features, some options may be incompatible with all chassis manufacturers' models. Detailed technical information is avalilable from the chassis manufacturers.
1.4 The sections in this standard appear in the following sequence: Scope (1); Referenced Documents (2); Terminology (3); Significance and Use (4); Design Requirements (5); Performance Requirements (6); Installation Requirements (7); GOX System Design Requirements (8); GOX System Installation Requirements (9); GOX System Test Requirements (10); LOX System Design Requirements (11); LOX System Installation Requirements (12); LOX System Test Requirements (13); Keywords (14).

General Information

• Status: Historical
• Publication Date: 09-Jan-1999
• ICS: 11.040.10 - Anaesthetic, respiratory and reanimation equipment
• Technical Committee: F30 - Emergency Medical Services
• Drafting Committee: F30.01 - EMS Equipment

Relations

• Replaced By: ASTM F1949-99(2007) - Standard Specification for Medical Oxygen Delivery Systems for EMS Ground Vehicles
• Effective Date: 01-Feb-2007

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F 1949 – 99
Standard Specification for
Medical Oxygen Delivery Systems for EMS Ground
Vehicles
This standard is issued under the fixed designation F 1949; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
Within the United States, there are several widely recognized national and international standards
organizations that have established standards and guidelines for oxygen delivery systems. These
standards and guidelines were largely developed for intra-facility use. This standard, developed by
ASTM Subcommittee F30.01, addresses the requirements for oxygen systems, both liquid and
gaseous, for emergency medical services (EMS) ground vehicles.
1. Scope
Performance Requirements 6
Installation Requirements 7
1.1 This standard covers minimum requirements for pri-
GOX System Design Requirements 8
mary medical oxygen delivery systems for EMS ground
GOX System Installation Requirements 9
GOX System Test Requirements 10
vehicles used in the following applications:
LOX System Design Requirements 11
1.1.1 Thetransportationofthesickandinjuredtoorfroman
LOX System Installation Requirements 12
appropriate medical facility while basic, advanced, or special-
LOX System Test Requirements 13
Keywords 14
ized life support services are being provided,
1.1.2 The delivery of interhospital critical transport care,
2. Referenced Documents
1.1.3 The delivery of nonemergency, medically required,
2.1 The following documents, of the issue currently in
transport services, and
effect, form a part of this standard to the extent specified
1.1.4 The transportation and delivery of personnel and
herein.
supplies essential for proper care of an emergent patient.
2.2 ASTM Standards:
1.2 This standard establishes criteria to be considered in the
F 1177 Terminology Relating to Emergency Medical Ser-
performance, specification, purchase, and acceptance testing of
vices
ground vehicles for EMS use.
2.3 Military Standards:
1.3 This entire standard should be read before ordering an
MIL-STD-461 Requirements for the Control of Electro-
ambulance in order to be knowledgeable of the types of
magnetic Interference Emissions and Susceptibility
equipment that are available and their performance require-
MS 33584 Standard Dimensions for Flared Tubing End
ments. Due to the variety of ambulance equipment or features,
MS 33611 End Bend Radii
some options may be incompatible with all chassis manufac-
2.4 Federal Specifications:
turers’ models. Detailed technical information is available
RR-C-901 Cylinders, Compressed Gas: High Pressure,
from the chassis manufacturers.
Steel DOT3AA, and Aluminum Applications, General
1.4 The sections in this standard appear in the following
Specification for
sequence:
2.5 ASME Standard:
Section
B31.3 Chemical Plant and Petroleum Refinery Piping
Scope 1
Referenced Documents 2 2.6 CGA Standards:
Terminology 3
Significance and Use 4
Design Requirements 5
Annual Book of ASTM Standards, Vol 13.02.
Available from Standardization Document Order Desk, 700 Robbins Ave.,
Building #4, Section D, Philadelphia, PA 19111-5094.
1 4
This specification is under the jurisdiction of ASTM Committee F30 on Available from American Society of Mechanical Engineers (ASME), ASME
Emergency Medical Services and is the direct responsibility of Subcommittee International Headquarters, Three Park Ave., New York, NY 10016-5990.
F30.01 on EMS Equipment. Available from the Compressed Gas Association, Inc., 1725 Jefferson Davis
Current edition approved January 10, 1999. Published March 1999. Highway, Suite 1004, Arlington, VA 22202-4102.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F1949–99
E-7 Standard for Medical Gas Regulators and Flowmeters approved by the manufacturer for oxygen service at the
V-1 Compressed Gas Cylinder Valve Outlet and Inlet Con- pressure and temperatures the hose will be subjected to in
nections service. Fittings shall be of non-ferrous or corrosion-resistant
S-1.1 Pressure Relief Device Standards Part 1 - Cylinders steelmaterialandshallcomplywiththedesignrequirementsof
for Compressed Gases ASME B31.3. Cast fittings shall not be used.
5.2.2.2 Flow Control Device, of a pressure-compensated
3. Terminology type that includes a means to display and monitor delivered
flow rate. It shall be continuously adjustable over a minimum
3.1 Definitions—Specific terms used throughout this speci-
range of 0 to 15 L/min, with a calibrated display resolution of
ficationaredefinedin3.2.Otherapplicabletermsarecontained
at least 0.5 L/min. The flow control device shall be calibrated
in Terminology F 1177.
for 50 psig inlet pressure and be able to withstand a minimum
3.2 Definitions of Terms Specific to This Standard:
inlet pressure of 200 psig without damage or failure. It shall
3.2.1 design operating pressure, n—the nominal pressure at
incorporate an inlet filter and be electrically conductive from
which the oxygen equipment or container is designed to
inlet to outlet. Flow control device accuracy shall be within
operate during normal use.
610 % of the indicated flow, or 0.25 L, whichever is greater.
3.2.2 LOX container, n—a vessel used to store or transport
5.2.2.3 Oxygen Outlet, piped to a self-sealing duplex oxy-
liquid oxygen.
gen outlet station. One of the outlets shall be for a flow control
3.2.3 maximum allowable working pressure, n—the maxi-
device or humidifier and the second oxygen outlet shall be for
mumgagepressuretowhichtheequipmentorcontainercanbe
gas-specific, noninterchangeable, quick disconnect plug-in de-
subjected without exceeding the allowable design stress.
vices not requiring humidification. Outlets shall be marked and
3.2.4 maximum filling volume, n—the maximum filling
identified in accordance with CGA E-7.
volume of liquid at its maximum permissible level.
5.2.2.4 Shutoff Valve, when specified, furnished in the 50-
3.2.5 pressure relief device, n—adevicedesignedtoopenin
psig line and controlled and identified from the EMT panel. If
order to prevent a rise of internal fluid pressure in excess of a
a solenoid valve is utilized, a readily accessible, emergency
specified value.
bypass valve shall be furnished and identified.
3.3 Symbol:
5.2.2.5 Secondary Oxygen Outlet, when specified, of the
g = the normal or standard constant of gravity at sea level;
self sealing, duplex wall outlet type. Additional outlets may
approximately 32.2 ft/s/s (9.81 m/s/s)
also be specified. The outlets shall be marked and identified in
3.4 Acronyms:Acronyms:
accordance with CGA E-7 (see 6.1).
3.4.1 GOX, n—gaseous oxygen.
5.2.3 Oxygen Compartment—The oxygen compartment
3.4.2 LOX, n—liquid oxygen.
shall be provided with at least a 9-in. cover device which will
dissipate or vent leaking oxygen to the outside of the vehicle.
4. Significance and Use
Theoxygencompartmentshallnotbeutilizedforthestorageof
4.1 The intent of this standard is to establish minimum
any other equipment. No wiring or components shall terminate
requirements, test parameters, and other criteria essential for
in the oxygen compartment except for the oxygen control
oxygen system design, performance, and appearance, and to
solenoid, compartment light, switch plunger or trigger device,
provide for a practical degree of standardization. The object is
or other equipment that is integral to the oxygen system.
to provide oxygen systems that are properly constructed, and
Wiring passing through the oxygen compartment shall be
which, when properly serviced and maintained, will reliably
routed in a metallic conduit.
function on an EMS ground vehicle.
6. Performance Requirements
5. Design Requirements
6.1 Delivery Flowrate—The oxygen system shall be ca-
5.1 The medical oxygen delivery system may be either a pable of delivering a minimum continuous gas flow of 100
gaseous oxygen (GOX) system, or a liquid oxygen (LOX) L/min of gaseous oxygen, per patient, simultaneously, down to
system.
the 10 percent tank content level.
5.2 The oxygen delivery system shall be a piped oxygen 6.2 Delivery Pressure—The oxygen system shall provide a
system designed and installed as follows: delivery pressure of 50 6 5 psig, at the specified flowrate at
5.2.1 Capacity—The oxygen system shall be capable of each medical oxygen gas outlet.
storing and supplying a minimum of 3000 L of gaseous 6.3 Delivery Temperature—The temperature of the gaseous
medical oxygen. oxygen supplied from each medical oxygen gas outlet shall be
5.2.2 Components—All oxygen delivery system compo- within +10 or –20°F (+6 or –11°C) of ambient temperature
nents shall be approved by the manufacturer of the component whentheoxygendeliverysystemissubjectedtothecontinuous
for the intended service. The system shall include the follow- flow described in 7.1.
ing: 6.4 Temperature Conditions
5.2.2.1 Oxygen Piping System,designedandsizedtodeliver 6.4.1 Storage Temperatures—The oxygen system, when
the required flow rates at the utilization pressures. Piping and servicedandmaintainedinaccordancewiththemanufacturer’s
tubing shall be of non-ferrous or corrosion-resistant steel recommendations, shall be capable of being stored without
material and shall comply with the design requirements of damage or deterioration in ambient temperatures of –30°F
ASME B31.3. Hose shall be electrically conductive and (–34°C) to 125°F (52°C).
F1949–99
6.4.2 Cold Soak—The oxygen system shall operate at a 7. Installation Requirements
temperature of 0°F (–18°C) after being cold soaked for 6 h at
7.1 The installation of the oxygen system shall be in
–30°F (–34°C) followed bya1h cold soak at 0°F (–18°C).
accordance with the following requirements:
6.4.3 Heat Soak—The oxygen system shall operate at a
7.1.1 Oxygen Piping—Oxygen piping shall be concealed
temperature of 110°F (43°C) after being heat soaked for6hat
and not exposed to the elements.The piping shall be accessible
125°F (52°C) followed bya1h heat soak at 100°F (43°C).
for inspection and replacement.
6.5 Electromagnetic Interference—Electrical or electronic
7.1.1.1 Piping Routing and Mounting—In routing the pip-
componentry, or both, of the oxygen system shall meet the
ing, the general policy shall be to keep total length to a
electromagnetic interference emissions and susceptibility re-
minimum. Allowances shall be made for expansion, contrac-
quirements of MIL-STD-461 for ground vehicles.
tion,vibration,andcomponentreplacement.Allpipingshallbe
6.6 Structural Integrity—Each oxygen system component,
mounted to prevent vibration and chafing. This shall be
when mounted by its normal means of attachment and fitted
accomplished by the proper use of rubberized or cushion clips
with the equipment item(s) that are normally attached to it,
installedatnogreaterthan20-in.intervalsasclosetothebends
shall have the structural integrity to withstand the vibration,
as possible.The piping, where passing through or supported by
acceleration, and shock environments described in 6.6.1-
the vehicle structure, shall have adequate protection against
6.6.3.2. Pneumatic components may be non-operating but shall
chafing by the use of flexible grommets. The piping shall not
be pressurized to their maximum allowable working pressure
strike against the vehicle during vibration and shock encoun-
when subjected to these environments. Electrical components
tered during normal use of the vehicle.
may be non-operating but shall be “powered-up” when sub-
7.1.1.2 Flaring and Bending—Tubing shall be single flared
jected to these environments. The vibration, acceleration, and
to conform with MS 33584. As an alternative, tubing may be
shock environments shall produce no out-of-specification per-
welded, brazed or swaged using methods and quality controls
formance degradation or malfunctions except that allowed in
that produce leakproof joints, provided there is no undue
6.6.3.2.
degradation of tubing strength, corrosion resistance, or fatigue
6.6.1 Vibration—The component shall withstand sinusoidal
life. Tubing systems having these permanent type of joints
vibration applied along each of three mutually perpendicular
shall be designed for ease of fabrication, inspection, and
axes with the frequency range varying from 5 to 200 Hz with
installation in the vehicle. The system layout shall provide for
an amplitude of 1.0 in. from 5 to 5.5 Hz and an applied
rapid in-service repair and component replacement. Tubing
acceleration of 1.5 g from 5.5 to 200 Hz. The duration of
bends shall be uniform, without kinks, and fit the span between
applied vibration shall be 5.5 h per axis (a total time of 16.5 h).
fittings without tension. The minimum bend radius to tube
The frequency of applied vibration shall be swept over the
center lines shall be in accordance with MS 33611.
specified range logarithmically with a sweep time of 12 min.
7.1.2 Flow Control Device—Flow control devices shall be
The sweep time is that of an ascending plus a descending
installedsothattheyarereadablefromtheEMTseatandsquad
sweep.
bench. Flowmeters shall be installed vertically.
6.6.2 Acceleration—The component shall withstand steady
7.1.3 Oxygen Outlet Stations—Oxygen outlet stations shall
state acceleration loads applied along three mutually perpen-
be provided with sufficient vertical space to permit connection
dicular axes in two opposite directions along each axis. The
of a humidifier or nebulizer, or both, directly to the oxygen
duration of applied acceleration in each direction shall be at
flow control device.
least 1 min. The applied acceleration levels shall be 4 g
7.1.3.1 Primary Patient Oxygen Outlet—The primary pa-
laterally in all four directions, 9 g vertically downward, and 3
tient oxygen outlet shall be located within 35 in. from the
g vertically upward.
centerofthepatient’sheadwheninthenormalsupineposition.
6.6.3 Shock—The component shall withstand the basic
7.1.3.2 Optional Oxygen Outlets—When optional oxygen
design and crash worthiness shock loads defined in 6.6.3.1 and
outlets are provided they shall be located at the patient’s head
6.6.3.2 The applied shock pulse shall be of the amplitude
area. (See 6.1).
specified, a half sine wave configuration, and 11 ms duration.
6.6.3.1 Basic Design Shock Load—The component shall
8. GOX System Design Requirements
withstand three shocks in each direction along three mutually
8.1 In addition to the design requirements and components
perpendicular axes of the container (a total of 18 shocks). The
listedinSection5ofthisspecification,GOXsystemsshallalso
peak value of the shock l
...