as indicated. Where wall-type oxygen outlet is installed adjacent to other
service outlets, 125 mm 5 inches minimum center-to-center spacing shall be
maintained for attaching and detaching equipment. Station outlet back
boxes shall be permanently stamped with the gas or vacuum service
identification and shall be safety-keyed to accept only the appropriate gas
or vacuum faceplate.
3.14.4.3
DISS Connections
Where threaded connections are furnished, DISS connections as described in
CGA V-5 shall be used to provide noninterchangeable connections. In order
to facilitate connection making, the threads of the connection shall engage
before the check valve is depressed and pressure is allowed to enter the
attached fitting. No leakage shall occur when threads are fingertight.
3.14.4.4
Connector Height of Outlets
Connector height of operating and delivery room outlets and wall outlets
shall terminate 2 meters 6 feet 8 inches above the finished floor or, in
the case of the hose-reel type, a pull-down chain shall be attached to the
hose and shall terminate 2 meters 6 feet 8 inches above the floor.
Recessed-wall type hose reels shall be located 1.5 meters 5 feet above
finished floor.
3.14.4.5
Room Outlets
Rooms other than operating and delivery rooms shall have recessed wall type
outlets installed, unless specified otherwise under special equipment
covered in other sections of these specifications.
3.14.4.6
Service-Control Valve Cabinets
Service-control valve cabinets shall be installed in partitions separating
operating and delivery rooms from the corridor. The cabinets shall be
recess mounted on the corridor side of the partition. Cabinets shall house
alarm system sensors, zone control valves, pressure reducing valves, and
service control valves. The valves shall be installed in the cabinet 1.5
meters 5 feet above the floor at the center line of the box and shall
provide complete shutoff of each of the medical gas and vacuum service
outlets in the operating and delivery rooms. Valves and exposed piping
connecting the valves shall be enameled or identified in an approved manner
with colors as follows:
System
Color
Compressed Air ................ Yellow
Oxygen ........................ Green
Nitrogen ...................... Black
Nitrous Oxide.................. Blue
Vacuum ........................ White
Each valve shall be securely mounted in a fixed position by means of
brackets. Position of each valve shall allow for a firm grip to facilitate
easy closing and opening. Each valve or valve box shall be labeled in
substance as follows:
SECTION 15405A
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