Construction Abbreviations List

We’ve compiled a list of all the construction abbreviations we use most often as a resource to builders, engineers, framers, dealers, architects and other trades. This list is a work in progress, so if you have any abbreviations we’ve missed, leave them in the comments section and we’ll add them to the list.

AB Asbestos Board or Anchor Bolt
AC Asphalt Concrete
ACCA Air Conditioning Contractors of America
ACCU Air Cooled Condensing Unit
ACH50 Air Changes per Hour at 50 Pascals
ACI American Concrete Institute
AFUE Annualized Fuel Utilization Efficiency
AGC Associated General Contractors of America
AHRI Air Conditioning, Heating, and Refrigeration Institute 
AIS American Institute of Steel Construction
ANSI American National Standards Institute
ASE Alliance to Save Energy
ASHRAE American Society of Heating Refrigerating & Air conditioning Engineers
AWI American Woodwork Institute
AWS American Welding Society
AWWA American Water Works Association
BAS Building Airflow Standard
BETEC Building Environment and Thermal Envelope Council
BOCA Building Officials and Code Administrators International
BPI Building Performance Institute 
BSU Basic Structural Unit
BTU British Thermal Unit
CBS Concrete Building Structure
CCA Canadian Construction Association
CCF Hundred Cubic Feet
CCI Construction Cost Index
CEMP Comprehensive Emergency Management Plan
CFA Conditioned Floor Area
CFL Compact Fluorescent Light
cfm50 Cubic feet per minute at 50 Pascals
CIA Cold Inducted Air
CIP Cast Iron Pipe
CIPE Certified in Plumbing Engineering
CIPP Cast Iron Pressure Pipe
CISP Cast Iron Soil Pipe
CO Carbon Monoxide
COP Coefficient of Performance
CM Corrugated Metal
CP Clay Pipe (standard length)
CP Construction Planning
CP Cost Proposal
CPI Coalescing Plate Interceptor
CRPH Cross Recess Pan Head
CS Corrugated Steel
CSC Constructions Specifications Canada
CSI Construction Specifications Institute
CSP Corrugated Steel Pipe
CSPI Corrugated Steel Pipe Institute
CSW Critical Structural Weakness
DFRCC Ductile Fiber Reinforced Cementitious Composite
DI Ductile Iron
DIP Ductile Iron Pipe
DL Drainage Layer
DOAS Dedicated Outdoor Air System
DOE Department of Energy
DSA Division of State Architects
EBV Exhaust Back-pressure Valve
ECAO Electrical Contractors Association of Ontario
ECDA External Corrosion Direct Assessment
EEBA Energy and Environmental Building Association
EER Energy Efficiency Ratio
EF Energy Factor
EIR Environmental Impact Report
EOS Equivalent Opening Size
EPA Environmental Protection Agency
EPP Environmentally Preferred Product
EPS Expanded Polystyrene
EPSCA Electrical Power Systems Construction Association
ES Edge Split
ESA Electrical Safety Authority
ESA Environmentally Sensitive Area
ESC Erosion and Sedimentation Control
ESP Electrical Submersible Pump
ETABS Extended Three Dimensional Analysis of Building Systems
ERV Energy Recovery Ventilator
FCR Fast Cast Rate
FEMA Federal Emergency Management Agency
FM Field Memo
FO Field Order
FWD Field Work Directive
G1S Good One Side
GBC Green Building Council
GC General Contractor
GIS Geographical Information System
GLULAM Glue-laminated Beam
GS Grade Stamped
GS Grid Standpipe
GSFT Glazed Structural Facing Tile
GSHP Ground-source Heat Pump
GTAW Gas Tungsten Arc Welding
HAZMAT Hazardous Materials
HDD Heating Degree Days
HDPE High Density PolyEthylene
HET High Efficiency Toilet
HERS Home Energy Rating System
HPFRCC High Performance Fiber Reinforced Cement Composites
HPwES Home Performance with ENERGY STAR Program
HRV Heat Recovery Ventilator
HSPF Heating Season Performance Factor
HVAC Heating, ventilating, and Air Conditioning
IAQ Indoor Air Quality
IAQA Indoor Air Quality Association
IBC International Building Code
ICC International Code Council
ICF Insulated Concrete Form
IECC International Energy Conservation Code
IPM Integrated Pest management
IW Induction Welding
JHSC Joint Health and Safety Commission
LC Level Compressed
LCA Life Cycle Assessment (Sustainable Architecture)
LED Light Emitting Diode
LEED Leadership in Energy & Environmental Design
LP Level Points
LRFD Load and Resistance Factor Design
LVF Low Velocity Fasteners
MAWL Maximum Allowable Working Load
MCAA Mechanical Contractors Association of America
MCAC Mechanical Contractors Association of Canada
ME Metal Edge
MEP Maximum Extent Practicable
MERV Minimum Efficiency Reporting Value
MIAC Mechanical Industry Advisory Committee
MMAW Manual Metal Arch Welding
MS4 Municipal Separate Storm Sewer System
MSDS Material Safety Data Sheet
NAHB National Association of Home Builders
NAHBRC National Association of Home Builders Research Center
NAPHCC National Association of Plumbing Heating and Cooling Contractors
NBC National Building Code of Canada
NEC National Electric Code
NGBS National Green Building Standard
NIBS National Institute of Building Sciences
NICET National Institute for Certification in Engineering Technologies
NIST National Institute for Standards and Technology
NPS Non-point Source
NVSD Non-vibration Sand Drain
OC On Center
O&M or O/M Operations and Management
OCEW On Center Each Way
OHSA Occupational Health and Safety Association
OSB Oriented Strand Board
OSDS On-site Disposal System
OWST Organic Waste Storage Tank
P2 Pollution Prevention
PAF Plant Availability Factor
PAH Poly-Aromatic Hydrocarbon
PAM Poly-Acrylamide
PAP Permit Application Package
PCB Poly-Chlorinated Biphenyl
PCC Portland Cement Concrete
PCCO Prima Contract Change Order
PCE Pre-stressed Concrete Erection
PCHWP Process Chilled Water Pump
PCO Potential Change Order
PCO Proposed Change Order
PCR Project Completion Report
PDO Project Design Outline
PDS Project Data Sheet
PED Preconstruction Engineering and Design
PEP Polyethylene Pipe
PEP Project Execution Plan
PLF Plant Load Factor
PME Participatory Monitoring and Evaluation
PMG Project Management Group
PO Project Originals
POD Position, Orientation, and Direction
POTW Publicly Owned Treatment Works
PPC Portland Pozzolana Cement
PPT Pollution Prevention Team
PQ Pre-Qualification
PS1 Performance standard for wood-based structural panels (plywood)
PS2 Performance standard for wood-based structural panels (OSB)
PSD Particle Size Distribution
PVCP Polyvinyl Chloride Pipe
PVD Prefabricated Vertical Drain
RBEC Registered Building Envelope Consultant
RC Reinforced Concrete
RCP Round Reinforced Concrete Pipe
RFP Request for Pricing
RFP Request for Proposal
RFSW Raised Face Socket Weld (i.e., face of a pipe flange)
ROJ Required On Job site
RSPC Regulated Set Portland Cement
RTR Reinforced Thermosetting Resin
RTRC Reinforced Thermosetting Resin conduit
RTRP Reinforced Thermosetting Resin Pipe
RWDP Rain Water Drain Pipe
RWQCB Regional Water Quality Control Board
SAP Sampling and Analysis Plan
SAPS Site Assessment Prioritization System
SB SolarBoard Radiant Barrier Sheathing
SCP Sand Compaction Pile
SCFM Standard cubic feet per minute
SD Sand Drain
SFPM Surface Feet Per Minute
SIC Standard Industrial Classification
SIP Structural Insulated Panel
SJI Steel Joist Institute
SLC Self-Leveling Compound
SP Steel Pipe
SPCC Spill Prevention Control and Countermeasure
STMS Site Traffic Management Supervisor
SUSMP Standard Urban Stormwater Mitigation Plan
SWMP StormWater Management Program
SWPPP StormWater Pollution Prevention Plan
TB TruBoard wall and roof sheathing
TD Tender Design
TEC Thermal Efficient Control
TOC Total Organic Carbon
TQA Trades Qualification Act
TSS Total Suspended Solids
TW TallWall wall sheathing
UBC Uniform Building Code
UFC Uniform Fire Code
USBIC Sustainable Buildings Industry Council
USGBC United States Green Building Council
VEC Value Engineering Cost
VESDA Very Early Smoke Detection Apparatus
VMA Variable Air Volume Modular Assembly
VMB Valve Manifold Box
VOC Volatile Organic Compounds
VOR Variation Order Request
VLT Vertical Turret Lathe
WEF Water Environment Federation
WHMIS Workplace Hazardous Materials Information System
WS WindStorm wall sheathing
WSIB Workplace Safety and Insurance Board


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