Fire and Explosions shall be considered in the design, installation, testing and maintenance of medical gas and vacuum piping systems.

Liquid containers shall have additional product identification visible from all directions with a minimum of 2" high letters such as a 360-degree wrap-a-round tape for medical liquid containers.

Cylinders in use and in storage shall be prevented from reaching temperatures in excess of 130⁰F

Locations for central supply systems and the storage of medical gases shall be secured with lockable doors or gates.

Ventilation opening for outdoor locations of central supply systems with impermeable shall be protected

All pressure relief valve shall be made of brass, bronze, or stainless steel

Relief valves shall be vented to the outside, except compressed air systems having less than 3,000 cu. ft. at STP.

Manifolds for gas cylinders without reserve shall consist of two equal headers; each with an average day’s supply, but not fewer than two connections.

Installers of bulk cryogenic liquid systems shall be qualified to meet CGA M-1 Standard, Guide for Medical Gas Installations at Consumers Sites.

Bulk cryogenic liquid system sites shall have allowance for at least three feet of clearance around the storage container, vaporizer and the pressure-regulating manifold.

Where the bulk cryogenic liquid oxygen supply systems is outside of and remote from the building served, an EOSC shall be installed.

An in-building emergency reserve system can be substituted for the EOSC.

Medical air sources shall be used only for human respiration and calibration of medical respiratory devices

Compressors for medical air shall be designed to prevent the introduction of contaminants or liquid into the piping system.

Flexible connectors shall connect the air compressors with their intake and outlet piping.

Category 1 medical air compressors shall be sized to serve the peak calculated demand and in no case shall there be fewer than two compressors.

The compressor air intakes shall be located at a minimum distance of 20' above the ground.

Carbon monoxide shall activate the required alarms when the CO level exceeds 10 ppm.

Vacuum receivers shall be capable of withstanding a gauge vacuum of 30" of mercury.

A source valve shall be placed at the immediate connection of each central supply system to the distribution piping system.

Each station outlet/inlet for medical gas or vacuum shall be gas specific

The factory installed tubing on station outlet/inlets shall extend no further than 8" from the body of the terminal.

The scale range of vacuum indicators shall be 30 inches of the gauge HgV

All medical gas alarm systems shall have a cancelable audible indication for each condition monitored.

The master alarm system shall activate when the pressure in the main supply lines increase or decrease 20%.

Bcup series filler metals shall be used to braze copper-to-copper joints in medical gas/vacuum distribution piping

Louvered openings for natural ventilation shall have a minimum free area of 72 sq inches

The scale range of positive pressure analog indicators shall have the normal reading fall within the middle 1/3 of the gauge scale.

Piping shall not be installed in kitchens, elevator shafts, or areas with open flames

Brazing procedures and brazer performance for the installation of medical gas and vacuum piping shall be qualified in accordance with ASME section IX.

Pipe labels shall be located at intervals of not more than 20 ft.

The initial pressure test for the piping of a medical gas a vacuum system shall be until 100% of the joints have been examined for leakage.

A party shall conduct verification testing who is technically competent and experienced in the field of medical gas and vacuum pipeline testing and who meets the requirements of ASSE 6030

Area alarms shall be tested to verify the warning signals for all vital life support and critical care areas if the pressure in the piping system increases or decreases by 20%.

25 percent of zones shall be tested at the outlet most remote from the source to verify the piping particulate test?

The presence and correctness of labeling shall be verified.

Cylinder and cryogenic liquid container outlet connections are designed as to render the attachment point unusable when removed.

Locations for central supply systems shall have electrical devices protected from physical damage.

Line pressure regulators, where used for bulk cryogenic liquid systems shall be of a balanced design.

Medical air receivers shall be provided with proper valves that allow the receiver to be bypassed during service.