Cole-Parmer Lab Design & Build Program

Lab Design Guidelines

General Plumbing Details

Minimum Spacing Between Fixtures The drawing below show the allowable minimum spacing between service fittings 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 Designations and Color Coding

Recommended Supply Line Pressures

Service

Pressure

Designation

Service

Color

Hot and Cold Water

Local Pressure

E

Electric (120 Volt AC)

- -

Gas

0.216 psi

DT

Data

Air (Ordinary)

15 psi

A G V N O S

Air

Orange

Air (Air Powered Stirrer Operation) Vacuum (Ordinary) Vacuum (High) Steam (Low Pressure) Steam (High Pressure)

40 psi

Gas

Dark Blue

18-22" of Mercury 28.5" of Mercury

Vacuum Nitrogen Oxygen

Yellow Brown

Light Green

0-15 psi as required

Steam

Black Green

15-30 psi as required

CW HW

Cold Water Hot Water

Red

DW Distilled Water

White

W

Waste

- -

WV

Waste Vent

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