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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