PSPC National Computer Aided Design and Drafting Standard: Single layer field and first layer name extension

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6.0 Annex B—Layer fields description

Single layer field and first layer name extension

The following table lists the single layer field and first layer name extension abbreviations that can be used to create new layer names. This is the third or fourth part (if required) of the layer name following the group field:
X-XX-XXX X-XX-XXX-XXX-X

3DM
3D model components of 2D symbols

Topics begin by letter A

ABN
Abandoned
ABU
Abutments
ABV
Above ground, above grade
ACC
Accessories
ACR
Fire department access routes
AIR
Control air piping
ALI
Alignment
ALM
Intrusion alarms
ANN
Annual flowers
ANT
Antenna
APC
Approach surface (airport)
APR
Approach slabs
APX
Approximate
ART
Artwork
ASP
Asphalt
ATT
Attributes
AWP
Acid waste piping (medical)

Topics begin by letter B

BAR
Barriers, railings
BDY
Legal limits, fee simple, admin., control
BED
Vessel beds
BEM
Beams
BEN
Local benchmarks
BIR
Bird hazard (airport)
BKH
Bulkheads
BLK
Block
BND
Boundaries
BRC
Bracing
BRF
Barrier-free
BRD
Bridges
BRG
Bearing
BRK
Brick
BRL
Break lines
BUF
Buffer, stop, bumper
BUO
Buoys
BYP
By-pass box

Topics begin by letter C

CAB
Cabinet
CAI
Caissons
CAN
Canadian boundaries
CAR
Cards
CAT
Catchments area
CBL
Flat wiring cable location
CBT
Cable trays, ducts, and raceways
CEX
Chemical extinguisher
CHL
Chilled water
CHN
Chainage
CLD
Cold water
CLE
Cleaning, clean out
CLG
Ceiling-mounted equipment, wiring, or finishes
CLI
Centrelines
CLK
Clock system
CLN
Control lines
CLR
Colours
CLS
CLSR boundaries, reserves, parks
CLT
Control wiring for emergency lighting
CMA
Compressed air
CMB
Combined sewers
CMP
Computers
CNB
Flat wiring connection boxes
CNL
Navigation channels, corridors
CNT
Construction
CNV
Convectors
CO2
Carbon dioxide gas
COA
Combustion air ductwork
COD
Conduits
COL
Columns
CON
Concrete
COR
Corridors
COT
Cooling tower
CPT
Control points
CRB
Curbs
CRP
Carpet
CRT
Certificates, stamps
CRW
Crown slopes, crowns
CTL
Controls
CTM
Contamination (environment)
CTP
Countertops
CTW
Catwalks
CUL
Culverts
CVY
Horizontal conveyors, moving sidewalks
CWL
Cope walls, cope beams
CWK
Cribwork, ballast floor

Topics begin by letter D

DAS
Data systems schematics
DAT
Chart datum contour, 0.00 m
DBR
Debris, rubble, loose rock and soil
DCB
DC battery systems
DCL
Ditch centre lines
DEC
Deciduous
DEK
Deck
DEP
Space allocation by department
DES
Description
DIF
Diffusers
DIG
Digitized or vectorized from scanned Image
DIM
Dimensions
DIV
Divisions
DRG
Dredged area or limits
DRK
Derricks, cranes, gallows
DRN
Drains, scuppers
DRS
Duct riser diagrams
DSK
Desks, work surfaces, tables
DUC
Ducts
DWV
Drainage waste and vent system

Topics begin by letter E

EAS
Easement
EFP
Electrical fire protection schematics
ELD
Electromagnetic locking devices
ELE
Elevators
ELK
Electrical security locks
ELV
Elevation (survey points)
EME
Emergency
ENC
Encroachments (unusable space)
EPE
Explosion-proof equipment
EPR
Emergency power wiring & equipment
EQP
Equipment
ESC
Escalator
ESG
Exit signs
EVR
Evergreen
EXH
Exhaust
EXP
Exposed inside/outside wiring
EXT
Exterior

Topics begin by letter F

FEN
Fencing
FEX
Foamed extinguisher
FHY
Fire hydrants
FIL
Backfill, soil line
FIN
Finishes
FIR
Fire egress
FIX
Plumbing fixtures
FLG
Flagpoles
FLO
Flow, discharge
FLR
Floor-mounted equipment, wiring or finishes
FLW
Flowers
FND
Fenders
FOI
Fuel oil
FRL
Fire lines
FRM
Framing
FST
Floating wharfs
FTG
Footing
FTN
Fountains, pools
FUR
Site furnishings, benches, garbage cans, etc.
FWL
Fire walls

Topics begin by letter G

GAB
Gabions
GCV
Ground cover
GDP
Guideposts
GEN
Generators
GLY
Glycol
GLZ
Glass, glazing
GND
Grounding schematics
GPS
Global Positioning System
GRA
Grading
GRD
Grid
GRI
Grilles
GRL
Guides, guardrails, median dividers, bollards
GRP
Space allocation by group / branch
GRS
Grass, lawn area
GRV
Gravel
GUA
Guards
GUT
Gutter lines
GWY
Gangways

Topics begin by letter H

HAT
Hatching
HED
Door and window headers
HEG
Helium gas
HIG
High
HNT
High normal tide
HOR
Horizontal
HOT
Hot water
HVD
High voltage distribution
HWA
Heating water
HWL
High water lines
HWY
Highway plan
HYD
Hydronic equipment
HYG
Hydrogen gas

Topics begin by letter I

ICE
Ice thickness
IDN
Identification
IMP
Imports (Revit families)
IND
Industrial
INS
Insulation
INT
Interior
IOT
Inlet outlet
IRR
Irrigation system

Topics begin by letter J

JER
Jersey wall
JMB
Door jamb, casework
JNT
Joints
JST
Joists

Topics begin by letter K

KRK
Kirk key interlocks

Topics begin by letter L

LAD
Ladders
LAN
Local area network
LAY
Layout line work
LDL
Lead lines
LEV
Floor level changes, ramps, truck wells
LGO
Logos
LGT
Lighting control schematics and diagrams
LIM
Limits
LIN
Line work
LNT
Low normal tide
LOB
Floor elevator lobbies
LOG
Borehole logs and data
LOW
Low
LTG
Normal powered lighting
LTP
Lightning protection schematics
LVD
Low voltage distribution
LWL
Low water lines

Topics begin by letter M

MAJ
Major contours
MAN
Manholes
MAR
Marshes, wetlands
MAT
Wharf mattress, granular base
MEC
Electrical connections to mechanical equipment
MEG
Methane gas
MET
Meters
MIL
Architectural specialties, casework and millwork
MIN
Minor contours
MLI
Main lines
MMS
Maintenance management system
MNG
Storm water management pond
MON
Monuments
MOR
Mooring cleats, bollards
MRK
Markings and road striping
MSH
Mass hauling diagrams
MTR
Metering wiring and equipment
MUN
Municipal and utility services

Topics begin by letter N

NGA
Natural gas
NIT
Nitrogen (medical)
NOD
Node, horizontal reference point
NOF
Non-office furniture, first aid room beds, etc.
NPR
Normal power schematics, risers
NUM
Number

Topics begin by letter O

OEQ
Office equipment
OFF
Office signage
OLN
Outlines
OPN
Openings
ORN
Ornamental
OTA
Outside air
OTH
Other
OUT
Outlets
OVH
Overhead
OXY
Oxygen (medical)

Topics begin by letter P

PAN
Distribution panel (electrical, telephone)
PAR
Parcel line work
PAS
Public address system schematics
PER
Perennial
PGA
Propane gas
PIC
Inserted pictures
PIL
Piles
PIP
Pipes, piping
PIR
Piers
PIT
Borrow pit
PLA
Plastic
PLM
Plume outline
PLN
Approach slabs in plan view
PLT
Plants
PMP
Pumping stations
PNL
Door panels, leaves
PNT
Points
POL
Poles and towers (electrical, communication)
PRB
Probe depth
PRF
Profiles
PRI
Primary
PRO
Provincial boundaries
PRS
Piping riser diagrams
PRT
Partitions (walls)
PST
Posts
PTS
Station points

Topics begin by letter R

RAD
Radiant heat
RAI
Railway
RAS
Raised floors
RAW
Raw water lines
RCK
Rock
RCL
Recirculation
REB
Reinforcing
REC
Receptacles
REF
Refrigerant equipment
REG
Regional and municipality boundaries
RET
Return
RFG
Refrigerant gas
RFL
Refrigerant liquid
RLN
Reference lines
RME
Read Me info
RMN
Remnants (archaeology)
RMP
Ramps
RMS
Rooms
ROD
Drivable road limits (asphalt) road, lots
ROW
Reverse osmosis water or distilled water (medical)
RPL
Reference plan
RPS
Real property information
RRP
Riprap
RWL
Retaining walls

Topics begin by letter S

SAF
Life safety
SCD
Secondary
SCR
System furniture panels, screens
SEC
Security zoning
SED
Seeded area
SEL
Super elevation
SEN
Motion sensors
SEP
Septic (field, tank, etc.)
SET
Seating
SEW
Sewer
SFT
Shafts
SGL
Sign layouts and details
SGN
Signs
SHL
Shelving
SHO
Shoulder
SIG
Signalling devices
SIL
Window sills
SIZ
Size
SKD
Skid timbers, skid poles
SLB
Slabs
SLI
Service lines
SMP
Soil sample locations
SND
Sand
SNL
Stringers
SOD
Sodded
SPA
Spars
SPC
Special
SPK
Sprinkler system
SPO
Sports facilities, goal nets, etc.
SPR
Stratigraphic profiles
SPT
Spot elevations
SRB
Shrubs
SRF
Surface model line work
SSP
Steel sheet piling
STA
Stations (survey)
STB
Setbacks
STG
Staging layout plan
STI
Strip (airport)
STL
Steel
STM
Steam
STO
Stone
STP
Standpipe
STR
Stairs, stairwells, and ladders
SUB
Sub
SUP
Supply
SUR
Work surfaces, D-tops, P-tops, etc.
SWG
Door swing or path
SWK
Sidewalks
SYM
Symbols

Topics begin by letter T

TAB
Tables
TBK
Title block
TEL
Telephone
TEN
Tenant
TER
Terraces
TID
Tide gauges, tidal equipment, tide datum
TIE
Tie rods, anchor blocks, tie-back walls
TIL
Tile
TIM
Timber
TMP
Temporary
TMT
Sewage treatment areas
TNK
Tanks
TOE
Toe of bank, breakwater, berms
TOP
Top of bank, crest of breakwater, berms
TRE
Trees
TRL
Trails
TRS
Transitional surface (airport)
TRU
Trusses
TUN
Tunnels
TXT
Text

Topics begin by letter U

UCD
Underlying cadastral fabric, deeds, lots, plans
UND
Underground, below grade
UNT
Space allocation by units
UPS
Uninterruptible power system and conditioned power

Topics begin by letter V

VAC
Vacuum piping
VAL
Valves
VAV
Variable air volume boxes
VCE
Emergency voice communication
VCL
Video controllers (digital)
VCM
Video cameras and monitors
VEN
Vents
VER
Vertical
VID
Video system schematics
VIN
Vines
VPC
Valve pump chamber
VPT
Viewports

Topics begin by letter W

WAL
Wall-mounted equipment or wiring
WEL
Well
WIN
Windows
WLI
Water lines
WLK
Roof boardwalks, catwalks
WNG
Wing wall
WOR
Working area
WRG
Wiring
WSR
Washrooms
WST
Waste schematics
WTR
Watercourse

Topics begin by letter X

XRE
External reference

Topics begin by letter Z

ZNS
Zoning surfaces

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