Steel Detailing Abbreviations (Starting with “A”)

Here is the list of most common abbreviations Starting with Letter “A” 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:NOABBREVIATIONDEFENITION
1A/EARCHITECT/ENGINEER
2ABANCHOR BOLT
3ABANABANDON
4ABBRVABBREVIATION
5ACASPHALTIC CONCRETE
6ACIAMERICAN CONCRETE INSTITUTE
7ACPASPHALTIC CONCRETE PAVING
8ACRACROSS
9ACSTACOUSTIC
10ADAREA DRAIN
11ADAAMERICANS WITH DISABILITIES ACT
12ADDLADDITIONAL
13ADDMADDENDUM
14ADJADJACENT/ADJOINING
15ADMINADMINISTRATION
16AFFABOVE FINISHED FLOOR
17AFGABOVE FINISHED GRADE
18AFSABOVE FINISHED SLAB
19AGGRAGGREGATE
20AHRANCHOR
21AIAAMERICAN INSTITUTE OF ARCHITECTS
22AISCAMERICAN INSTITUTE OF STEEL CONSTRUCTION
23AISIAMERICAN IRON AND STEEL INSTITUTE
24AITCAMERICAN INSTITUTE OF TIMBER CONSTRUCTION
25ALNMTALIGNMENT
26ALTALTERNATE, ALTERNATIVE
27ALUMALUMINUM
28AMTAMOUNT
29ANSIAMERICAN NATIONAL STANDARDS INSTITUTE
30APAAMERICAN PLYWOOD ASSOCIATION
31APPDAPPROVED
32APPROXAPPROXIMATE
33APPXAPPENDIX
34ARAS REQUIRED
35ARCHARCHITECT
36ASCEAMERICAN SOCIETY OF CIVIL ENGINEERS
37ASPHASPHALT
38ASIARCHITECT’S SUPPLEMENTAL INSTRUCTIONS
39ASSNASSOCIATION
40ASTMAMERICAN SOCIETY FOR TESTING AND MATERIALS
41ATCHATTACHMENT
42ATTNATTENTION
43AWSAMERICAN WELDING SOCIETY
44AZAZIMUTH
See Also Steel Detailing Abbreviations (Starting with “B”)