Construction Drawing Abbreviations
The following is a list of abbreviations found on a typical set of construction drawings designed to help you interpret information on your blueprints.
A
- ABV. - Above
- A.B. - Anchor Bolt
- A/C - Air Conditioner
- A.D. - Access Door
- ADD. - Addition
- ADJ. - Adjust
- A.F.F. - Above Finished Floor
- A.F.G. - Above Finished Grade
- A.G. - Above Grade
- ALT. - Alternate
- APP'D. - Approved
- ARCH. - Architect,
- Architectural
- ASPH. - Asphalt
B
- B.C. - Bookcase
- BD. - Board
- B.L. - Building Line
- BLDG. - Building
- BLK. - Block
- BM. - Beam
- B.N. - Boundary nailing
- B.O. - Bottom of
- B.O.F. - Bottom of footing
- B.O.W. - Bottom of wall
- BRG. - Bearing
- B.U. - Built up
- BTM. - Bottom
C
- CSMNT. - Casement
- CABT. - Cabinet
- C.B. - Catch Basin
- C.D. - Construction document
- CEM. - Cement
- C.F.M. - Cubic Feet per Minute
- C.L. - Center Line
- CH. - Channel
- C.I. - Cast Iron
- C.I.P. - Cast in Place
- CL. - Closet
- CLG. - Ceiling
- C.O. - Clean Out
- C.O. - Cased Opening
- COL. - Column
- CONT. - Continuous
- CONTR. - Contractor
- CONC. - Concrete
- C.T. - Ceramic Tile
D
- d - Penny
- D.S. - Down spout
- D/W - Dishwasher
- DBL. - Double
- DEMO. - Demolition
- DIA. - Diameter
- DIM. - Dimension
- D.L. - Dead Load
- DN. - Down
- DR. - Door
E
- EA. - Each
- E.F. - Exhaust fan
- E.J. - Expansion joint
- E.N. - End nailing
- ELEV. - Elevation
- ELECT. - Electric, electrical
- EQ. - Equal
- EQUIP. - Equipment
- EST. - Estimate
- E.W. - Each way
- EXH. - Exhaust
- EXIST. - Existing
- EXT. - Exterior
F
- F.A. - Fire alarm
- F.C.O. - Floor clean out
- F.D. - Floor drain
- F.E. - Fire extinguisher
- F.N. - Field nailing
- FAB. - Fabricate
- FDN. - Foundation
- FIN. - Finish
- FLR. - Floor
- FLG. - Flooring
- FLUOR. - Fluorescent
- FURN. - Furnace
G
- GA. - Gauge
- GALV. - Galvanized
- GAR. - Garage
- G.C. - General Contractor
- G.F.C.I. - Ground Fault Circuit Interrupt
- G.F.I. - Ground Fault Interrupt
- GL. - Glass
- G.M. - Grade mark
- GR. - Grille
- G.T. - Glazed tile
- GYP. - Gypsum
H
- H.B. - Hose bib
- H.C. - Hollow core
- HDBD. - Hardboard
- HDW. - Hardware
- HGT. - Height
- HOR. - Horizontal
- HR. - Hour
- H.R. - Handrail
- HTR. - Heater
- H.V.A.C. - Heating, Venting and Air Conditioning
- H.W. - Hot water
I
- I.C.F. - Insulated Concrete Form
- I.D. - Inside diameter
- I.F. - Inside Face
- INCL. - Inclusive, including
- INV. - Invert
- INSUL. - Insulation
- INT. - Interior
J
- J-Box - Junction box
- JCT. - Junction
- JST. - Joist
K
- K.-D. - Knock Down
- K.D. - Kiln dried
- K.O. - Knock out
L
- LFT. - Linear feet
- LAM. - Laminate
- LAT. - Lateral
- LAV. - Lavatory
- LD. - Lead
- LIN. - Linear
- LINO. - Linoleum
- LT. - Light
- LTG. - Lighting
- L.V.L. - Laminated Veneer Lumber
M
- M.B. - Machine bolt
- M.O. - Masonry opening
- MAR. - Marble
- MAS. - Masonry
- MTL. - Material
- MAX. - Maximum
- MECH. - Mechanical
- MED. - Medium
- MFG. - Manufacturing
- MIN. - Minimum
- MOD. - Modular
- MTL. - Metal (steel)
- MUL. - Mullion
N
- N.T.S. - Not to scale
- N.C.M. - Non-corrosive metal
- N.F.C. - Not for construction
- NLR. - Nailer
- NO. - Number
- NOM. - Nominal
O
- O.C. - On center
- O.D. - Outside diameter
- O.R. - Outside radius
- O.H. - Overhead
- OPNG. - Opening
P
- P. - Paint
- PART. - Partition
- PAV. - Pavement
- P.C. - Pre-Cast Concrete
- PERF. - Perforated
- PL. - Plaster
- PLT. - Plate
- P.L. - Property line
- PLAS. - Plastic
- P.L.V. - Plastic laminate veneer
- PLYWD. - Plywood
- PORC. - Porcelain
- P.S.F. - Pounds per square foot
- P.S.I. - Pounds per square inch
- P.V.C. - Polyvinyl chloride
- PWR. - Power
Q
- Q.T. - Quarry tile
- QTY. - Quantity
R
- RAD. - Radius
- R.D. - Roof drain
- R.D.L. - Roof drain leader
- R.O. - Rough Opening
- R.O.W. - Right of way
- REFG. - Refrigerator
- REF. - Reference
- REINF. - Reinforced
- RET. - Return
- REV. - Revision
- RM. - Room
- RMV. - Remove
S
- SAN. - Sanitary
- S.C. - Solid core
- S.C. - Self-Closing
- SCHED. - Schedule
- S.D. - Smoke detector
- SECT. - Section
- SHT. - Sheet
- SHT'G. - Sheathing
- SIM. - Similar
- SPECS. - Specifications
- SQ.FT. - Square feet
- SQ. IN. - Square inches
- STD. - Standard
- STL. - Steel
- S.Y. - Square yard
- SYS. - System
T
- T&G - Tongue and groove
- T.B. - Through bolt
- T.O. - Top of
- T.O.B. - Top of Beam
- T.O.C. - Top of curb
- T.O.F. - Top of footing
- T.O.J. - Top of joist
- T.O.M. - Top of masonry
- T.O.W. - Top of wall
- T.S. - Tube steel
- TH. - Threshold
- THR. - Threaded
- TYP. - Typical
U
- UNF. - Unfinished
V
- V.B. - Vapor barrier
- V.I.F. - Verify in field
- VA. - Voltage
- VCT. - Vinyl composition tile
W
- W.C. - Toilet (water closet)
- WDW. - Window
- WCT. - Wainscot
- WP. - Weatherproof
- WT. - Weight
- WTR. HTR. - Water Heater
- WD. - Wood
- W.I. - Wrought Iron
- W.I.C. - Walk In Closet
Y
- YD. - Yard
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