CONSTRUCTION ABBREVIATIONS

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  • A/C – Air Conditioning
  • A.B. – Anchor Bolt
  • A.C.T. – Acoustical Ceiling Tile
  • A.D. – Area Drain
  • A.F.F. – Above Finish Floor
  • A.F.G. – Above Finish Grade
  • ARCH – Architect / Architectural
  • B.M. – Bench Mark
  • B.O. – Bottom Of
  • B.O.D. – Bottom Of Deck
  • B.O.F. – Bottom Of Footing
  • B.O.J. – Bottom Of Joist
  • B.U.R. – Built-Up Roofing
  • C.B. – Catch Basin
  • C.F. – Contractor Furnished
  • C.I. – Cast Iron
  • C.I.P. – Cast In Place
  • C.J. – Control Joint
  • C.L. – Center Line
  • C.L.F. – Chain Link Fence
  • C.M.U. – Concrete Masonry Unit
  • C.O. – Cleanout
  • COL – Column
  • CONC – Concrete
  • CONT – Continuous
  • D.F. – Drinking Fountain
  • D.H. – Double Hung
  • D.L. – Dead Load
  • D.N. – Down
  • D.S. – Downspout
  • D.T. – Drain Tile
  • D.W. – Dishwasher
  • DWG – Drawing
  • E.F. – Each Face
  • E.J. – Expansion Joint
  • E.L. – Elevation
  • E.O.S. – Edge Of Slab
  • E.P. – Electrical Panel
  • E.W. – Each Way
  • EQ – Equal
  • EXIST – Existing
  • EXP – Exposed
  • EXT – Exterior
  • F.D. – Floor Drain
  • F.E. – Fire Extinguisher
  • F.F. – Finish Floor
  • F.F.E. – Finish Floor Elevation
  • F.G. – Finish Grade
  • F.O.C. – Face Of Concrete
  • F.O.F. – Face Of Finish
  • F.O.M. – Face Of Masonry
  • F.O.S. – Face Of Stud
  • FDN – Foundation
  • FIN – Finish
  • FLR – Floor
  • FTG – Footing
  • G.C. – General Contractor
  • G.I. – Galvanized Iron
  • GA – Gauge
  • GALV – Galvanized
  • GL – Glass / Glazing
  • GYP BD – Gypsum Board
  • H.B. – Hose Bibb
  • H.C. – Hollow Core
  • H.M. – Hollow Metal
  • H.P. – High Point
  • H.V.A.C. – Heating, Ventilation, and Air Conditioning
  • HDR – Header
  • HORIZ – Horizontal
  • HT – Height
  • I.D. – Inside Diameter
  • INSUL – Insulation
  • INT – Interior
  • J.B. – Junction Box
  • JST – Joist
  • K.O. – Knockout
  • L.L. – Live Load
  • L.P. – Low Point
  • MAX – Maximum
  • MECH – Mechanical
  • MFR – Manufacturer
  • MIN – Minimum
  • MISC – Miscellaneous
  • N.I.C. – Not In Contract
  • N.T.S. – Not To Scale
  • O.C. – On Center
  • O.D. – Outside Diameter
  • O.F. – Outside Face
  • O.H. – Overhead
  • P.C. – Precast Concrete
  • P.L. – Property Line
  • PLYWD – Plywood
  • PT – Pressure Treated
  • R.D. – Roof Drain
  • R.O. – Rough Opening
  • REINF – Reinforced / Reinforcing
  • REQ'D – Required
  • T.O. – Top Of
  • T.O.S. – Top Of Steel
  • W.P. – Waterproofing

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