1.
The primary warning location shall be supervised by
engineering personnel and is required to be located at one
of the following (in order of priority): Boiler plant
control office, engineering control center, or in the
office or principal working area of the individual
responsible for maintenance of the laboratory gas system.
2.
The secondary warning shall be located to assure
continuous surveillance during the working hours of the
facility. Suitable secondary warning locations may include
fire station, telephone switch board, ICU, security office
or other continuously staffed location.
3.
Coordinate both master alarm panel locations with the user
facility and the other design services. When deciding upon
alarm locations, Engineering Control Center data relay
interface locations, and the facilities established
procedures for monitoring alarm signals. Provide the
following on the plumbing drawings.
a.
Low voltage wiring and pressure switches or sensors
associated with master alarm signals and panels (on
b.
Low voltage wiring diagram associated with master
alarm signals and panels.
c.
Tubing runs and/or communication cable from the sensor
location to area alarm panels (on floor plans and
laboratory gas and vacuum system diagrams).
14.
ORAL EVACUATION SYSTEM
Design oral evacuation system in accordance with VA Master Specification
15489 and the following:
14.1
Locate HVE system outlets in floor-mounted utility junction
centers. A UJC (utility junction center) is a grouping of specific
utilities brought to a designated location in each dental
operatory to provide convenient points of connection to the dental
operating unit equipment which will be furnished by the VA. A
single 50 mm (2 inch) diameter wall outlet shall be provided in
each recovery room.
14.2
Airflow and Vacuum Requirements:
A.
Design air flow of 5.3 L/min [15 cubic feet per minute (cfm)]
at each UJC.
B.
Design air flow of 7 L/min (20 cfm) at wall outlet in recovery
rooms.
C.
System shall develop and maintain a vacuum of 27 Pa (8 inches
of mercury).
14.3
Provide a vacuum relief valve at the end of each trunk line.
14.4
HVE System:
15
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