Here is the list of most common abbreviations Starting with Letter “I” 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 | IBC | INTERNATIONAL BUILDING CODE |
| 2 | ID | INSIDE DIAMETER |
| 3 | IF | INSIDE FACE |
| 4 | IFS | INSIDE FACE OF STUD |
| 5 | IN | INCH |
| 6 | INCL | INCLUDED |
| 7 | INFO | INFORMATION |
| 8 | IN-LB | INCH-POUND |
| 9 | IN-LBF | INCH-POUND FORCE |
| 10 | INSTL | INSTALL |
| 11 | INSUL | INSULATION |
| 12 | INT | INTERIOR |
| 13 | IR | INSIDE RADIUS |