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Facilities Management
PIPING IDENTIFICATION AND VALVE TAGGING STANDARD PURPOSE 1. The general purpose of the Piping Identification and Valve Tagging Standard is to provide a series of guidelines for contractors, A/E’s and FM employees to adhere to or follow when labeling piping and tagging valves which are located on the campus of CMU. 2. This Standard is not to be regarded as a specification but merely as a document providing guidance and uniformity in the completion of labeling and tagging in the field. GENERAL 1. Piping and valves shall be painted, tagged and stenciled as described herein. 2. Painting of piping or valves shall also be included in the Painting Division of the Specifications. PRODUCTS 1. All paint shall be suitable for application to the particular type surface in question. 2. Paint for piping and valves shall be approved by CMU project manager. 3. Piping labeling shall be made from temperature sensitive vinyl material and follow the FM Piping Identification Key. 4. Valve tags shall be made from GravoPLY and engraved with information. EXECUTION Pipe Service Labeling 1. All pipes for any service shall be identified as to their service by commercially available, color coded self-sticking vinyl pipe markers. 2. Marking shall include pipe content and direction of fluid flow to include the following minimum requirements: • All markers to be in positions that are visible to personnel • Marking shall conform to pipe service identification fluid and term • Shall conform to the FM Piping Identification Key • Shall conform to information as noted on the drawings • Shall conform to the FM Terms and Abbreviations Standard • Piping both exposed and furred in shall be labeled unless otherwise directed • Paint pipe content banding, legend, and flow direction marker near each valve • At every point where the pipe or pipe enters and exits through a wall or changes direction • On each riser and tee joint • At 25 foot intervals on long continuous pipe runs • Arrows (flow direction markers) shall point away from content marking, and in direction of flow • If flow can be in both directions, apply double-headed arrows. 3. Background Banding (paint) – Refer to ANSI Z535.1 Safety Color Code
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Facilities Management
PIPING IDENTIFICATION AND VALVE TAGGING STANDARD Color Key Fire Protection Red Dangerous Yellow
Service Sprinkler Natural Gas
Width of color band for outside diameter or insulated pipe and or un-insulated pipe Pipe Diameter ¾ inch thru 2 inch 2-½ inch thru 6 inch 8 inch thru 10 inch Over 10 inches 4. Legend Color of Letters Fire Protection
Width of Color Band 8- inch 12-inch 24-inch 32-inch
White
Outside diameter of insulated pipe and/or un-insulated pipe and height of labeled letters Pipe Diameter ¾ inch thru 1 ¼ inch 1 ½ inch thru 2 inch 2 ½ inch thru 6 inch 8 inch thru 10 inch Over 10 inch
Letter Height ½ inch ¾ inch 1 ¼ inch 2-½ inch 3-½ inch
* for pipes < ¾” in diameter a permently legible tag is required
5. Waste vent, rainwater piping, and buried lines are not to be labeled 6. The following piping whether concealed or exposed, shall be painted in its entirety. This pertains to outside cover if pipe is insulated. Natural Gas Non-potable Water VALVE TAGS General Information • Each tag shall be attached to the valve assembly (do not place tag on valve handle or wheel) by means of steel wire • Tag Size: 2” x 3”x 1/8” GravoPLY • Tag Color: Color to adhere to FM Piping Identification Key.
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Facilities Management
PIPING IDENTIFICATION AND VALVE TAGGING STANDARD Tag Information shall be engraved on both sides with the following: a) Line # 1 (Top of Tag): Valve Number All valves shall be numbered consecutively (not by system). b) Line # 2 (directly below Valve #): Service Term and Abbreviation Refer to FM Piping Key or FM - Terms and Abbreviations Manual for service term and abbreviation information. c) Line #3 Operational Information
1. 2. 3. 4. 5. 6. 7.
always open normally open – summer normally closed – summer normally open – fall normally closed - fall normally open – winter normally closed – winter
d) Line #4 – Valve location Bldg Code – valve number – Service Abbr. Example: MU-176-CHWR
176 Chilled Water Return
CHWR Normally open – summer
MU-176-CHWR
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Facilities Management
PIPING IDENTIFICATION AND VALVE TAGGING STANDARD VALVE SCHEDULE 1. Upon completion of the valve tagging, furnish to the owner a complete schedule of all valves installed, this schedule shall include: a. number of the valve b. service controlled c. location of the valve d. space or area controlled by the valve e. color code 2. Install valve schedule on the wall next to the entry door of the mechanical room. Verify location with the CMU project manager. 3. Provide three (3) copies of schedule in loose-leaf form complete with binder and plastic protective envelope for each sheet. The Owner shall provide a template of the schedule to be utilized by the Contractor.
REFERENCES ANSI A13.1 - 1981
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Facilities Management
PIPING IDENTIFICATION AND VALVE TAGGING STANDARD FACILITIES MANAGEMENT PIPING IDENTIFICATION KEY SERVICE TERM
revised 4.14.06
SERVICE ABBREVIATION ON PIPE
INDENTIFICATION COLOR
FLOW DIRECTION REQUIRED
CHILLED WATER SUPPLY
CHWS
WHITE on GREEN
X
CHILLED WATER RETURN
CHWR
WHITE on GREEN
X
DOMESTIC WATER COLD
DWC
WHITE on GREEN
DOMESTIC WATER HOT SUPPLY
DWHS
BLACK on YELLOW
X
DOMESTIC WATER HOT RETURN
DWHR
BLACK on YELLOW
X
HOT WATER HEATING SUPPLY
HWHS
BLACK on YELLOW
X
HOT WATER HEATING RETURN
HWHR
BLACK on YELLOW
X
LOW PRESSURE STEAM
LPS
BLACK on YELLOW
HIGH PRESSURE STEAM
HPS
BLACK on YELLOW
CONDENSATE RETURN
CNDR
BLACK on YELLOW
G
BLACK on YELLOW
NATURAL GAS LOW PRESSURE AIR
LP A
WHITE on GREEN
HIGH PRESSURE AIR
HP A
BLACK on YELLOW
FIRE STAND PIPE
FSP
WHITE on RED
X
FILTERED WATER RETURN POOL
FWRP
WHITE on GREEN
X
FILTERED WATER SUPPLY POOL
FWRS
WHITE on GREEN
X
WATER BRINE
WTR B
WHITE on GREEN
WASTE WATER
WW
GREEN on WHITE
VACUUM
VAC
WHITE on GREEN
TOWER WATER WATER CITY SNOW MELT HEAT SYSTEM
TW WTR C SMHS
WHITE OR GREEN WHITE OR GREEN BLACK OR YELLOW
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Facilities Management
PIPING IDENTIFICATION AND VALVE TAGGING STANDARD DOCUMENT CONTROL PAGE: Document Published:
May 25, 2006
Prepared By:
John Latoski / Dan Methner
Reviewed By:
Steve Lawrence, FM operations staff, PEP staff
Approved By:
Steve Lawrence
Revision History: Date
Revision
Approved By:
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