ICI-CornerStoneCatalog
Lab References and Standards
General Plumbing Details
Minimum Spacing Between Fixtures The drawing below show the allowable minimum spacing between service fiƫngs on laboratory bench top.
4 1/2” (11.4 cm)
7” (17.8 cm)
9” (22.9 cm)
10 1/2” (26.7 cm)
12” (30.5 cm)
7” (17.8 cm)
Service and Rough-In DesignaƟons and Color Coding
Recommended Supply Line Pressures
Service
Pressure
DesignaƟon
Service
Color
Hot and Cold Water
Local Pressure
E
Electric (120 Volt AC)
- -
Gas
0.216 psi
DT
Data
Air (Ordinary)
15 psi 40 psi
A G V N O
Air
Orange
Air (Air Powered SƟrrer OperaƟon) Vacuum (Ordinary)
Gas
Dark Blue
Vacuum Nitrogen Oxygen
Yellow Brown
18-22" of Mercury 28.5" of Mercury 0-15 psi as required
Vacuum (High) Steam (Low Pressure) Steam (High Pressure
Light Green
S
Steam
Black Green
CW HW DW
Cold Water Hot Water
15-30 psi as required
Red
DisƟlled Water
White
W
Waste
- -
WV
Waste Vent
83
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