Here is the list of most common abbreviations Starting with Letter “O” used by a Steel Detailer in Structural Steel Detailing. 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.
| SI:NO | ABBREVIATION | DEFENITION |
|---|---|---|
| 1 | O/O | OUT TO OUT |
| 2 | OA | OVERALL |
| 3 | OC | ON CENTER |
| 4 | OD | OUTSIDE DIAMETER |
| 5 | OF | OUTSIDE FACE |
| 6 | OFS | OUTSIDE FACE OF STUD |
| 7 | OPH | OPPOSITE HAND |
| 8 | OPNG | OPENING |
| 9 | OPP | OPPOSITE |
| 10 | OPT | OPTIONAL |
| 11 | OR | OUTSIDE RADIUS |
See Also Steel Detailing Abbreviations (Starting with “B”)
Know More About Abbreviations