D.
To minimize piping, locate multiple air pressure regulators in
or near the dental suite as required.
E.
Locations of piped dental air outlets are indicted in VA
Program Guide, Equipment Guide List.
F.
Supply cold water to the dental junction boxes through
solenoid control valve that shall be activated by the control
panel in the secretary's office.
G.
Provide emergency gas solenoid valve on gas line to the
treatment rooms and laboratory areas.
15.4
System Sizing: Air volume and pressure requirements, and
simultaneous use factors are as follows:
A.
AREA & EQUIP.
VOLUME
PRESSURE
L/ min (scfm)
kPa (psi)
1.
Exam and general treatment operatory
a.
Needle valve wall outlet
0.12 (0.25)
345 (50)
b.
Utility Junction Center (UJC)
1.4 (3)
965 (140)
690 (100)
2.
Hygiene UJC
1.4 (3)
965 (140)
690 (100)
3.
Oral Surgery
a.
DISS outlet to surgical handpiece
4.7 (10)
965 (140)
690 (100)
b.
UJC
1.4 (3)
965 (140)
690 (100)
4.
X-ray Needle valve to x-ray chair base
0.12 (0.25)
345 (50)
5.
Prosthetics laboratory
a.
Needle valve in benches & casework
0.12 (0.25)
345 (50)
b.
Quick coupler for lab blowgun
0.12 (0.25)
345 (50)
c.
Quick coupler for lab handpiece
1.4 (3)
345 (50)
6.
Threaded valve for shellblaster or
4.7 (10)
965
(140)
sandblaster
690
(100)
965
(140)
7.
Threaded valve for microblaster
1.4 (3)
690
(100)
B.
NUMBER OF OUTLETS, REQUIRING
PERCENT SIMULTANEOUS
1.
1.4 and 4.7 Standard L/min (3 and 10 SCFM)
a.
1 through 3
100
b.
4 through 6
90
c.
7 through 9
80
d.
10 through 12
70
e.
13 through 16
60
18
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