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Construction Abbreviations
344 abbreviations and acronyms commonly found on construction drawings and project documentation — from drawing notation shorthand to industry organization acronyms.
Showing 344 of 344 abbreviations
A
ABC Association of Builders and Contractors Organizations
ACI American Concrete Institute Organizations
ACT Acoustical Ceiling Tile Materials
ADA Americans with Disabilities Act Code & Standards
ADD Addendum Documentation
AEC Architecture, Engineering, Construction General
AFF Above Finished Floor Drawing Notation
AGC Associated General Contractors Organizations
AHJ Authority Having Jurisdiction Code & Standards
AISC American Institute of Steel Construction Organizations
AISI American Iron & Steel Institute Organizations
AITC American Institute of Timber Construction Organizations
ALT Alternate Drawing Notation
ANSI American National Standards Institute Organizations
APA American Plywood Association Organizations
APPROX Approximate Drawing Notation
ARCH Architectural Disciplines
ASHRAE American Society of Heating, Refrigeration, and Air Conditioning Engineers Organizations
ASCE American Society of Civil Engineers Organizations
ASPE American Society of Professional Estimators Organizations
AWS American Welding Society Organizations
B
BCA Black Contractors Association Organizations
BD Board Drawing Notation
BLDG Building Drawing Notation
BLK Block Drawing Notation
BLW Below Drawing Notation
BM Beam; Benchmark Structural
BOD Basis of Design Documentation
BOT Bottom Drawing Notation
BRG Bearing Structural
BRK Brick Materials
BRT Business Roundtable Organizations
BTU British Thermal Unit Mechanical
BUR Built-Up Roofing Materials
BVSS Best Value Source Selection Contract
C
C&R Construction & Repair General
CA Construction Agent; Contract Administrator Roles
CB Catch Basin Civil
CCA Construction Change Authorization Contract
CCD Construction Change Directive Contract
CD Construction Documents Documentation
CEI Construction Engineering and Inspection Process
CEM Construction Engineering & Management General
CFM Cubic Feet per Minute Mechanical
CI Cast Iron Materials
CIDH Cast-In-Drilled-Hole Structural
CIP Cast in Place; Capital Improvement Program Structural
CJ Control Joint; Construction Joint Drawing Notation
CL Centerline Drawing Notation
CLG Ceiling Drawing Notation
CLR Clear Drawing Notation
CM Construction Manager / Management Roles
CMAA Construction Management Association of America Organizations
CMR Construction Manager at Risk Contract
CMT Cement Materials
COL Column Structural
CONC Concrete Materials
CONN Connection Structural
CONST Construction General
CONT Continuous Drawing Notation
CQC Contractor Quality Control Process
CQM Contractor Quality Management Process
CRSI Concrete Reinforcing Steel Institute Organizations
CSI Construction Specifications Institute Organizations
CSLB Contractors State License Board Organizations
CT Ceramic Tile Materials
CW Cold Water; Curtain Wall Plumbing
Cx Commissioning Process
D
DAR Decision After Reconsideration Contract
DBE Disadvantaged Business Enterprise Contract
DCR Daily Construction Reporter Documentation
DEMO Demolition Drawing Notation
DET Detail Drawing Notation
DIA Diameter Drawing Notation
DIM Dimension Drawing Notation
DIR Department of Industry Relations Organizations
DN Down Drawing Notation
DOT Department of Transportation Organizations
DR Door Drawing Notation
DS Downspout Plumbing
DTL Detail Drawing Notation
DW Dishwasher; Drywall Drawing Notation
DWG Drawing Documentation
E
E East; Electrical Drawing Notation
EA Each Drawing Notation
ECC Estimated Construction Cost Contract
EEO Equal Opportunity Employment Contract
EF Exhaust Fan; Each Face Mechanical
EJ Expansion Joint Drawing Notation
EL Elevation Drawing Notation
ELEC Electrical Disciplines
ELEV Elevation; Elevator Drawing Notation
EMT Electrical Metallic Tubing Electrical
ENGR Engineer Roles
EOS Edge of Slab Structural
EPA Environmental Protection Agency Organizations
EPDM Ethylene Propylene Diene Monomer (roofing membrane) Materials
EQ Equal Drawing Notation
EQUIP Equipment Drawing Notation
EWC Electric Water Cooler Plumbing
EXG Existing Drawing Notation
EXP Expansion; Exposed Drawing Notation
EXT Exterior; Extension Drawing Notation
F
F Fahrenheit General
FAR Floor Area Ratio; Federal Acquisition Regulations Code & Standards
FB Face Brick Materials
FD Floor Drain; Fire Damper Plumbing
FDN Foundation Structural
FE Fire Extinguisher Fire Protection
FEC Fire Extinguisher Cabinet Fire Protection
FG Finished Grade Civil
FHA Federal Housing Administration Organizations
FHWA Federal Highway Administration Organizations
FIN Finish Drawing Notation
FL Floor; Floor Line Drawing Notation
FLG Flooring Drawing Notation
FLR Floor Drawing Notation
FOC Face of Concrete Structural
FOS Face of Stud; Face of Steel Structural
FOW Face of Wall Drawing Notation
FP Fireproofing; Fire Protection Fire Protection
FP&C Facilities Planning & Construction General
FRP Fiberglass Reinforced Panel Materials
FS Full Size; Far Side; Federal Specification Drawing Notation
FT Foot; Feet Drawing Notation
FTG Footing Structural
FTR Fixture Drawing Notation
FURR Furring Drawing Notation
FY Fiscal Year Contract
G
GA Gauge; General Arrangement Drawing Notation
GALV Galvanized Materials
GB Grab Bar Drawing Notation
GFI/GFCI Ground Fault Circuit Interrupter Electrical
GL Glass; Glazing Materials
GLB Glue-Laminated Beam (Glulam) Structural
GMP Guaranteed Maximum Price Contract
GPM Gallons per Minute Plumbing
GR Grade Drawing Notation
GSA Government Services Administration Organizations
GSF Gross Square Feet Drawing Notation
GT Grout Materials
GWB Gypsum Wall Board Materials
GYP Gypsum Materials
H
HB Hose Bib Plumbing
HC Hollow Core Materials
HDR Header Structural
HDW Hardware Drawing Notation
HM Hollow Metal Materials
HP Horsepower; High Point Mechanical
HR Hour; Handrail Drawing Notation
HSE Health, Safety, and Environment Process
HSS Hollow Structural Section Structural
HT Height Drawing Notation
HUD Housing and Urban Development Organizations
HW Hot Water Plumbing
I
IBEW International Brotherhood of Electrical Workers Organizations
ICC International Code Council Code & Standards
ID Inside Diameter; Interior Design Drawing Notation
IFB Invitation for Bids Contract
IN Inch Drawing Notation
INSUL Insulation Materials
INT Interior Drawing Notation
INV Invert Civil
J
JC Janitor's Closet Drawing Notation
JOC Job Order Contract Contract
JST Joist Structural
JT Joint Drawing Notation
K
KIT Kitchen Drawing Notation
L
LAM Laminate; Laminated Materials
LAV Lavatory Plumbing
LB Pound Drawing Notation
LEED Leadership in Energy and Environmental Design Code & Standards
LF Linear Feet Drawing Notation
LID Low Impact Development Civil
LP Low Point Drawing Notation
LS Lump Sum Contract
LT Light Drawing Notation
LVL Laminated Veneer Lumber; Level Structural
LW Lightweight Materials
M
MACC Multiple Award Construction Contract Contract
MAINT Maintenance Drawing Notation
MATL Material Drawing Notation
MAX Maximum Drawing Notation
MBE Minority Business Enterprise Contract
MBO Management by Objectives Process
MECH Mechanical Disciplines
MFR Manufacturer Drawing Notation
MH Manhole Civil
MIN Minimum Drawing Notation
MISC Miscellaneous Drawing Notation
MJ Mechanical Joint Plumbing
MK Mark Drawing Notation
MO Masonry Opening Drawing Notation
MOD Modification Documentation
MTL Metal Materials
N
N North Drawing Notation
NAICS North American Industry Classification System General
NAWIC National Association of Women in Construction Organizations
NECA National Electrical Contractors Association Organizations
NEPA National Environmental Policy Act Code & Standards
NFPA National Fire Protection Association Code & Standards
NIC Not in Contract Drawing Notation
NIOSH National Institute for Occupational Safety & Health Organizations
NOM Nominal Drawing Notation
NRC Noise Reduction Coefficient Materials
NS Near Side Drawing Notation
NSF Net Square Feet Drawing Notation
NTS Not to Scale Drawing Notation
NWC Normal Weight Concrete Materials
O
OC On Center Drawing Notation
OD Outside Diameter Drawing Notation
OFD Overflow Drain Plumbing
OH Overhead Drawing Notation
OHP Overheads and Profit Contract
OMB Office of Management and Budget Organizations
OPP Opposite Drawing Notation
OSHA Occupational Safety & Health Administration Code & Standards
OWJ Open Web Joist Structural
P
P&S Plans & Specs Documentation
PCC Portland Cement Concrete Materials
PCI Precast/Prestressed Concrete Institute Organizations
PDT Project Delivery Team Roles
PE Professional Engineer; Project Engineer Roles
PERF Perforated Drawing Notation
PH Penthouse Drawing Notation
PL Plate; Property Line Structural
PLAS Plaster Materials
PLA Project Labor Agreement Contract
PLAM Plastic Laminate Materials
PLF Pounds per Linear Foot Structural
PLMB Plumbing Disciplines
PLY Plywood Materials
PM Project Manager Roles
PNL Panel Drawing Notation
PPE Personal Protective Equipment Process
PR Pair Drawing Notation
PREFAB Prefabricated Drawing Notation
PSF Pounds per Square Foot Structural
PSI Pounds per Square Inch Structural
PTAC Procurement Technical Assistance Center Organizations
PTD Painted Drawing Notation
PVC Polyvinyl Chloride Materials
R
R Radius; Riser Drawing Notation
RA Return Air Mechanical
RCP Reflected Ceiling Plan; Reinforced Concrete Pipe Documentation
RD Roof Drain; Round Plumbing
RE Resident Engineer; Requirements Engineering Roles
REF Reference; Refrigerator Drawing Notation
REINF Reinforced; Reinforcing Structural
REQ Required Drawing Notation
RES Resilient Materials
REV Revision; Revised Documentation
RFB Request for Bid Contract
RFQ Request for Quote Contract
RM Room Drawing Notation
RO Rough Opening Drawing Notation
ROW Right of Way Civil
RSI Reinforcing Steel Institute Organizations
RTU Roof Top Unit Mechanical
RWL Rain Water Leader Plumbing
S
S South; Structural Drawing Notation
SA Supply Air Mechanical
SBS Styrene Butadiene Styrene (roofing membrane) Materials
SC Solid Core Materials
SCHED Schedule Drawing Notation
SCS Soil Conservation Service Civil
SDI Steel Deck Institute; Steel Door Institute Organizations
SECT Section Drawing Notation
SF Square Feet Drawing Notation
SHR Shower Plumbing
SHTG Sheathing Materials
SIM Similar Drawing Notation
SL Sill; Slab Drawing Notation
SMACNA Sheet Metal and Air Conditioning Contractors National Association Organizations
SOG Slab on Grade Structural
SOQ Statement of Qualifications Contract
SOW Scope of Work Contract
SPEC Specification Documentation
SQ Square Drawing Notation
SS Stainless Steel; Sanitary Sewer Materials
SSHO Site Safety & Health Officer Roles
SST Stainless Steel Materials
STC Sound Transmission Class Materials
STD Standard Drawing Notation
STL Steel Materials
STR Structural Disciplines
STRUCT Structural Disciplines
SUB Subcontractor; Submittal Roles
SUSP Suspended Drawing Notation
SV Sheet Vinyl; Safety Valve Materials
SW Storm Water; Switch Civil
SWOT Strengths, Weaknesses, Opportunities, Threats Process
SWPPP Storm Water Pollution Prevention Plan Civil
SY Square Yard Drawing Notation
SYM Symmetrical Drawing Notation
T
T Tread; Tee (structural shape) Structural
T&B Top and Bottom Drawing Notation
T&G Tongue and Groove Materials
TC Top of Curb; Terra Cotta Civil
TEL Telephone Electrical
TEMP Temporary; Temperature Drawing Notation
TF Top of Footing Structural
THK Thick Drawing Notation
TI Tenant Improvement Contract
TJI Trus Joist (engineered I-joist) Structural
TO Top of Drawing Notation
TOC Top of Concrete; Top of Curb Drawing Notation
TOS Top of Steel; Top of Slab Drawing Notation
TOW Top of Wall Drawing Notation
TPO Thermoplastic Polyolefin (roofing membrane) Materials
TS Tubular Steel; Top of Steel Structural
TV Television Electrical
TW Top of Wall Drawing Notation
TYP Typical Drawing Notation
U
UC Undercut Drawing Notation
UDBE Underutilized Disadvantaged Business Enterprise Contract
UL Underwriters Laboratories Code & Standards
UNF Unfinished Drawing Notation
UNO Unless Noted Otherwise Drawing Notation
USDOT United States Department of Transportation Organizations
USGBC United States Green Building Council Organizations
V
VAV Variable Air Volume Mechanical
VCT Vinyl Composition Tile Materials
VECP Value Engineering Change Proposal Contract
VERT Vertical Drawing Notation
VIF Verify in Field Drawing Notation
VOC Volatile Organic Compound Materials
VOSB Veteran Owned Small Business Contract
VT Vinyl Tile Materials
W
W West; Wide Flange (steel shape); Watt Drawing Notation
WBE Women Business Enterprise Contract
WC Water Closet Plumbing
WD Wood Materials
WF Wide Flange Structural
WH Water Heater Plumbing
WI Wrought Iron Materials
WP Waterproof; Working Point Drawing Notation
WOSB Women Owned Small Business Contract
WP Waterproofing; Work Point Materials
WR Water Resistant Materials
WT Weight; Structural Tee (cut from wide flange) Structural
WW Welded Wire Structural
WWF Welded Wire Fabric Structural
WWR Welded Wire Reinforcement Structural
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