Rev. 13 November 1, 2016
Page | 5823 05 53 Identification for HVAC Piping and Equipment- Provide equipment identification on all equipment furnished under this division. Where practical, provide plastic
laminate tags indicating the equipment identification number in a clearly visible spot. Where no appropriate flat
surface exists for a plastic laminate tag, provide brass tags on chains attached to the equipment. These equipment
tags are distinct from the Preventive Maintenance numbers that the Owner’s personnel install after the construction
phase. - Coordinate all equipment identification numbers with the Owner. It is the Owner’s intent to assign, during the
design phase, plan marks to all equipment items. - Install labels on all types of mechanical piping systems. Labels shall be placed at maximum intervals of 50 feet,
near all branch take-offs, and on either side of the walls to patient rooms. Labels shall be color coded as follows:
a. Building service, potable water, cold – light blue, black letters.
b. Building service, potable water, hot – light blue with red band.
c. Hot water recirc – light blue, black letters.
d. Building air – black.
e. Carbon dioxide – gray/black or white.
f. Central piped detergent system – dark grey with white band.
g. Chilled water – dark blue (matching plastic pipe covering).
h. Condensate return – light grey, black letters.
i. Condensing water – aluminum.
j. Cooling tower make-up water – light blue with aluminum band.
k. Distilled water – blue red blue bands.
l. Drain and sludge lines – dark brown.
m. Fire lines – red.
n. Glycol – yellow with blue bands.
o. Heating hot water – medium blue, white letters.
p. Hospital oil-free air – black with green band.
q. Natural gas – vermillion with white band.
r. Nitrogen – black/white.
s. Nitrous oxide – blue/white.
t. Oxygen – green.
u. Rain leaders – dark brown, white letters.
v. Raw water ( well water, untreated) – dark grey.
w. Scavenger vacuum (WAGD) – violet/white.
x. Steam, low pressure – orange, black letters.
y. Steam, high pressure – driftwood grey.
z. Vacuum (Cleaning) – dark brown with white band.
aa. Vacuum (Medical) – white/black.
23 05 93 Testing, Adjusting, and Balancing for HVAC- General
a. Contracts for testing and balancing are typically separate from the main contracts for general construction in
order to better serve the interests of UIHC. However, coordinate with the UIHC project manager to confirm
the Hospital’s preference for a given project.