The list of abbreviations used in a set of structural drawings varies from office to office. Be sure to check the front section of the drawing set for the abbreviations used within. We also have an article that will help you identify structural drawing symbols.
| ASD | Alternate Stress Design |
| ACI | American Concrete Institute |
| AISC | American Institute of Steel Construction |
| AISI | American Iron and Steel Institute |
| ASTM | American Society for Testing and Materials |
| AWS | American Welding Society |
| AB | Anchor Bolt |
| B | Bottom |
| BM | Beam |
| BRG | Bearing |
| BLK | Block |
| BOF | Bottom of Foundation |
| BOT | Bottom |
| BRKT | Bracket |
| CIP | Cast-In-Place |
| CLR | Clear |
| COL | Column |
| CONC | Concrete |
| CMU | Concrete Masonry Unit |
| CRSI | Concrete Reinforcing Steel Institute |
| CONST JT | Construction Joint |
| CONT | Continuous |
| CJ | Control Joint |
| DEPR | Depression |
| DET | Detail |
| DL | Development Length |
| DIA | Diameter |
| DIM | Dimension |
| DIR | Direction |
| DWLS | Dowels |
| EA | Each |
| EE | Each End |
| EF | Each Face |
| EJ | Expansion Joint |
| ES | Each Side |
| EQ | Equal |
| EW | Each Way |
| EXP Bolt | Expansion Bolt |
| EXP JT | Expansion Joint |
| FF | Far Face |
| FT | Foot or Feet |
| FIN | Finish |
| FL | Floor |
| FTG | Footing |
| FND | Foundation |
| GALV | Galvanized |
| GA | Gauge |
| GR | Grade |
| GB | Grade Beam |
| GP | Gusset Plate |
| HT | Height |
| HP | High Point |
| HS | High Strength |
| HEF | Horizontal Each Face |
| HIF | Horizontal Inside Face |
| HOF | Horizontal Outside Face |
| HOR | Horizontal |
| IN | Inch |
| ID | Inside Diameter |
| ICBO | International Conference of Building Officials |
| INV | Invert |
| JT | Joint |
| JST | Joist |
| K | Kip (1000 Pounds) |
| LW | Light Weight |
| LWC | Light Weight Concrete |
| LRFD | Load and Resistance Factor Design |
| LLV | Long Leg Vertical |
| LP | Low Point |
| MAS | Masonry |
| MTL | Metal |
| NF | Near Face |
| NWC | Normal Weight Concrete |
| NIC | Not in Contract |
| OC | On Center |
| OD | Outside Diameter |
| OPNG | Opening |
| PC | Pile Cap |
| PL | Plate |
| PT | Point |
| PVC | Polyvinyl Chloride |
| PSF | Pounds per Square Foot |
| PSI | Pounds per Square Inch |
| R | Radius |
| REINF | Reinforced |
| RETG | Retaining |
| RET | Return |
| RE | Right End |
| SECT | Section |
| SC | Shear Connector |
| SHT | Sheet |
| SLV | Short Leg Vertical |
| SIM | Similar |
| SOG | Slab on Grade |
| SL | Splice Length |
| SQ | Square |
| STD | Standard |
| STL | Steel |
| SDI | Steel Deck Institute |
| SF | Step Footing or Square Foot |
| STIFF | Stiffener |
| STR | Structural |
| SUP | Support |
| SYM | Symmetrical |
| THK | Thick or Thickness |
| THRD | Threaded |
| T&B | Top and Bottom |
| T | Top |
| TO | Top of |
| TOC | Top of Concrete |
| TOF | Top of Foundation |
| TOS | Top of Steel |
| TOW | Top of Wall |
| TYP | Typical |
| UNO | Unless Noted Otherwise |
| US | Underside |
| VEF | Vertical Each Face |
| VIF | Vertical Inside Face or Verify in Field |
| VOF | Vertical Outside Face |
| WWF | Welded Wire Fabric |
| W/ | With |
| WP | Working Point |
- Article Updated:
2017-04-04
