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Architecture Abbreviations

Look through 1893 acronyms and abbreviations related to Architecture:

0x	Zero-X fictitious Earth spacecraft in Supermarionation productions
16Th Ed WR	16Th Edition Wiring Regulations
A	Ampere
a	Areal
A	Area
A	Acre
A I	Architecture Interiors magazine
A&E	Architecture and Engineering
A/E	Architect/Engineer
A/F	Across Flats
AAA	Alberta Association of Architects
AACA	Architects Accreditation Council of Australia
AAESDA	Association of Architects, Engineers, Surveyors and Draughtsmen of Australian
AALA	Alberta Association of Landscape Architects
AAMA	American Architectural Manufacturer's Association
AAMA	Association Architectural Manufacturers Association
aarb	Art and Architectural Review Board
AAT	Art & Architecture Thesaurus
AATO	Association of Architectural Technologists of Ontario
ABAAG	Architectural Barriers Act Accessibility Guidelines
ABCD	Analysis of Building Climatic Data
ABDS	ARCHITECTURAL BUILDING DESIGN SERVICES
ABH	Architectural Builders Hardware
ABI	At-Bit Inclination
ABRI	Architecture and Building Research Institute
ABTA	Absolute Background Textures Archive
ABV	Above
ABWF	Architectural Builders Works and Finishes
AC	annual closing
AC	Alternating Current
ACAI	Architecture Commune des Applications Informatiques
ACB	Active Chilled Beam
ACC	Architectural Control Committee
ACC	Accessory
ACC	Access Control
ACE	Architecture Construction and Engineering
ACE	Amethyst Contrast Enhancer
ACE	Artificial Compound Entity
ACH	Air Changes per Hour
ACHP	Advisory Council on Historic Preservation
ACI	American Concrete Institute
ACMV	Air Conditioning and Mechanical Ventilation
ACP	Aluminum Composite Panel
ACP	Arched Concrete Pipe
ACSA	Association of Collegiate Schools of Architecture
ACSI	Architectural Control Systems Incorporated
ACT	Acoustical Ceiling Tile
ACT	Actual
AD	Architectural Digest
AD	Artist Designer

ADA	Architects and Designers Association
ADAAG	Americans with Disabilities Act Architectural Guidelines
ADAM	Art, Design, Architecture and Media
ADAPT	Architectural Design Association of Portugal and Turkey
ADC	Architecture Development and Construction
ADD	Addendum
ADDN	Addition
ADGD	Architectural Design and Global Difference
ADJ	Adjust
ADL	Architecture Description Language
ADM	Atomic Demolition Munitions
ADM	Architecture Development Methodology
ADRB	Architectural Design Review Board
ADTM	Arc De Triumphe Model
AE	Archtop Enclosure
AE	Advanced Estimate
AEBC	Anchorage Existing Buildings Code
AEC	Architectural and Engineering Content
AEC	Architecture, Engineering, Construction
AEC	Architectural Energy Corporation
AEI	Architectural Engineering Institute
AERC	Architectural Education Resource Center
AESR	Architects and Engineers for Social Responsibility
AF	Aluminum Frame
AFA	Automatic Fire Alarm
AFD	Above Floor Drain
aFe	Advanced Flow Engineering
AFF	Above Finished Floor
AFFL	Above Finished Floor Level
AFS	Architectural Framing Systems
AFSB	Architectural Foundation of Santa Barbara
AGA	Architectural Glass and Aluminum
AGA	American Gas Association
AGDO	Automatic Gate Door Opener
Aggr	Aggregate
AGMA	Architectural Glass and Metal Association
AGS	Architectural Glass Solution
AHEAD	Applied Heating, Electrical, And Decorative
AHU	Air Handling Unit
AIA	American Institute of Architecture
AIALA	American Institute of Architects Los Angeles
AIBC	Architectural Institute of British Columbia
AIBD	American Institute of Building Design
AICD	Architecture Interconnect Context Diagram
AIDE	Advanced Intrusion Detection Environment
AIJ	Architectural Institute of Japan
AIMS	Architectural Information Management System
AISC	American Institute of Steel Construction, Inc.
AISI	American Iron and Steel Institute
AITC	American Institute of Timber Construction

AIW	Architectural Iron Works
AJ	The Architect's Journal
AK	Angled Kitchen
AL	Aluminium
AL	Available Light
ALM	Alarm Module
ALO	Architect Liaison Officer
ALS	Architectural License Seminar
ALS	Alternate Light Source
ALT	Alternate
ALT	Alteration
ALT	Altitude
ALW	Architectural Lighting Works
AMB	Ambient
AMBER	Architectural Modelling Box for Enterprise Redesign
AMD	Analysis, Modeling, and Design
AMP	Ampere
ANN	Annunciator
ANT	Antenna
AP	Access Panel
APLUSI	Architecture Plus Interiors
APTH	Apartment, THird floor
apv	Architectural Products of Virginia
APX	Approximately
ARAD	Architectural Research And Design
ARB	The Architectural Review Board
ARC	Architecture Registration Corps
ARC	Artifact Research Centre
ARC	Architecture Restoration Conservation
ARCA	Associate of the Royal College of Art (London)
ARCC	Architectural Research Centers Consortium
Arch	Architect
ARCHITECTURE	Architectural
ARD	Around
ARE	Architect Registration Examinations
ARO	Architecture Research Office
ARQ	Architectural Research Quarterly
ARY	Architects Rego and Youngquist
AS	Auto-Scaling
AS	Australian Standard
ASAC	Advanced Spacecraft Architectural Concepts
ASAD	Architectural Signs and Designs
ASARC	Alta Sierra Architectural Review Committee
asce	l'American Society of Civil Engineers
ASD	Allowable Stress Design
ASE	Anglo Saxon England (architecture )
ASGCA	American Society of Golf Course Architects
ASHI	American Society of Home Inspectors
ASHRAE	American Society of Heating, Refrigerating and Air-Conditioning Engineers
ASI	Architect Supplemental Instructions

ASID	American Society of Interior Designers
ASIS	American Society for Industrial Security
ASLA	American Society of Landscape Architects
ASME	American Society of Mechanical Engineers
ASOG	Architectural Style Online Guide
ASPCA	Architectural Studies for Performance-Critical Applications
ASPE	American Society of Plumbing Engineers
ASPH	Asphalt
ASSY	Assembly
ASTM	American Society for Testing and Materials (Philadelphia, Pennsylvania)
ASW	apparent source width
ASWD	Architectural Salvage Warehouse of Detroit
ATB	Arch, Top, and Back
ATLAS	Atomic-terrace low-angle shadowing
ATM	Automatic Teller Machine
ATRU	Architectural Technology Research Unit
ATTEN	Attenuation
AU	Absorbance Unit
AuBC	Australian Building Certification
auth	authorized, authority
AUTO	Automatic
AVG	Average Voltage Gain
AW	Acid Waste
AWAC	Arrowhead Woods Architectural Committee
AWG	American Wire Gauge
aws	American Welding Society's
AWWA	American Water Works Association (Denver)
B	Build
b	Basel
B	Bridge
b	Bridgeport
B	Base
B.O.	By Other
BAC	Boston Architectural College
Baf	Baffle
BAHA	Berkeley Architectural Heritage Association
BAHC	Brighton Architectural Heritage Committee
BAL	Ballast
BAL	British Architecture Library
BAL	Balance
BAS	Building Automated System
BB	Bulletin Board
BBL	Barrel
BC	Bottom of Curb/Gutter
bca	Building Code of Australian
BCIN	Building Code Identification Number
BCIS	Building Code Information System
BCJ	Bohlin Cywinski Jackson
BCOE	Biddability Constructibility Operability and Environmental
BD	Board

BD	Basic Design
BDY	Boundary
BE	Barrier to Entry
BE	Basic Engineering
BEES	Building Energy Efficiency Standards
BEM	Building Estate Management
betw	between
BEUI	Building Energy Use Intensity
Bev	Bevel
BF	Board Foot
BF	Basement Floor
BF	Barrier-Free
BF	Back Face
BFD	Basis for Design
BHD	Bulkhead
BHK	Bedroom Hall Kitchen
BIAD	Beijing Institute of Architectural Design
BIL	Basic Insulation Level
BIM	Building Information Model
BIR	Built in Wardrobe
BIR	Built In Robe
BIU	Beam In Use
BIW	Built in Wardrobe
BJ	Button Jointed
BKL	Brininstool, Kerwin and Lynch
BKR	Breaker
BL	Base Line
BLDG	Building
BLK	Block
BM	bench mark (as in map reading)
BMICH	Bandaranayake Memorial International Conference Hall
BMS	Building Management Services
BOD	Bottom of Duct
BOH	Back Of the House
BOP	Bottom of Pipe
BOP	Bottom Of the Porch
BOQ	Bill of Quantities
BOR	Back Of Room
BOT	Bottom
BOTE	Back Of The Envelope calculation
BOV	Blow Off Valve
BP	Building Planning
BP	Bypass
BR	Building Report
BR	Bump Rail
BRB	Beam-Related Background
BRB	Bar-Room Bar
BRDG	Bridge
BRG	Bearing
BRKR	Breaker

BRKT	Bracket
BS	British Standard
BS	Back Sight
BS	Beginning of Survey
BSDM	Box Structure Development Method
BSM	Bath Shower Mixer
BSU	Basic Structural Unit
BTHRM	Bathroom
BTR	Better
BTTM	Bottom
BTTT	Blue Tulip Turkish Tiles
BTTW	Break Through The Wall
BUC	Building Utility Certificate
BUR	Built-Up Roof
BVD	Better View Desired
BVH	Bahr Vermeer Haecker Architects
BVP	Broken Vessel Pottery
BW	Brick Wall
BW	Bulge Window
BW	Bottom of Wall
BW	Block Wall
BWICS	Builder's Work In Connection with Services
BWO	Builder's Work Opening
BYOH	Build Your Own Home
C	Covered
C of F	Construction of Facilities
C/C	Centre to Centre
CAAD	Computer Aided Architectural Design
CAAE	Computer aided architectural engineering
CAAS	Constellation Analysis of Ancient Sites
CAB	Cabinet
CACH	Central Air, Central Heat
CAD	Computer-Aided Design
CAD	Computer-Assisted Drafting
CAD	Computer-Aided Drafting
CAEE	Civil, Architectural and Environmental Engineering
CAEI	China Architectural Engineering, Inc.
CAI	Cold Air Intake
CALD	Carolina Architectural Lighting and Design
CAP	Capacity
Car	Commercial And Residential
CAT	Chamber of Architects of Turkey
CAT	Catalog
CATH	Cathedral
CB	Catch Basin
CBC	Cyclic Beam Columns
CBM	Cubic Meters
CBO	Certified Building Official
CBS	Concrete Building Structure
CBS	Concrete Block and Stucco

CC	Computer Center
CC	Cubic Centimeter
CC	Central Composite
CCA	Chromated Copper Arsenate
CCLA	Colorado Council Of Landscape Architects
CCM	Catchment Characterisation and Modelling
CCS	Certified Construction Specifier
CCT	Circuit
CCW	Counter Clockwise
CD	Customer Drawing
CD	Construction Document
CD	Cadmium
CD	Cold Drawn
CDR	Central Dining Room
CDS	Cold Drawn Steel
CDS	Construction Drawing Subset
CEAE	Civil Environmental Architectural Engineering
CEB	Compressed Earth Block
CESMM	Civil Engineering Standard Method of Measurement
CF	Cubic Feet
CF	Chartreuse Fluorescent
CF	Compact Framework
CFCU	Customized Desk Corner Unit
CFM	Cubic Feet per Minute
CFS	Cubic Feet per Second
CH	Conservation and Heritage
CHAN	Channel
CHS	Circular Hollow Section
CI	Cast Iron
CI	Commercial Interior
CICE	Certified Independent Checking Engineer
CIOB	Chartered Institute Of Building
CIP	Cast-In-Place
CIP	Cast Iron Pipe
CIR	Circular
CIR	Circle
CIR	Circuit
CISC	Canadian Institute of Steel Construction
CJ	Center Joint
CK	Center Kitchen
CKT	Circuit
CL	Ceiling Level
CL	Class
CL	Classic
CL	Cat Ladder
CLAB	Columbia Laboratory for Architectural Broadcasting
CLARB	Council of Landscape Architectural Registration Boards
CLG	Ceiling
CLP	Clamp
CLR	Clear

CLSAB	Canadian Lumber Standards Accreditation Board
CM	Case Marker
Cm	Curly Maple
CM	Contoured and Molded
CMP	Corrugated Metal Pipe
CMR	Compact Measurement Record
CMU	Concrete Masonry Unit
CNH	Cold Normal Hot
CNTR	Center
CO	Convenience Outlet
CO	Company
COAX	Coaxial
COE	Criteria Of Effect evaluation
COEF	Coefficient
COL	Column
COLA	Covered Outdoor Learning Area
COM	Common
COMB	Combustion
COML	Commercial
COML	Commercial Building
COMP	Compressed
COMPT	Compartment
CON	Construction
CONC	Concrete
COND	Condenser
CONN	Connection
CONST	Under Construction
CONT	Continue
CONT	Control
COP	Car Operation Panel
COR	Corner
CORR	Corrugate
COS	Cosine
COV	Cover
CP	Cathodic Protection
CP	Construction permit
CPBD	Certified Professional Building Designer
CPE	Chlorinated Polyethylene
CPE	Certified Professional Estimator
CPEP	Corrugated PolyEthylene Pipe
CR	Chromium
CRMDL	Commercial Remodel
CRS	Course
CS	Cutaway small
CS	Confined Space
CS	Cast Steel
CS	Cross Section
CS	Construction Safety
CSI	Construction Specifications Institute
CSK	Countersink

ctbuh	Council on Tall Buildings and Urban Habitat's
CTC	Center-to-Center
CTR	Counter
CTR	Center
CTR	Contour
CTRG	Centering
CU	Cubic
CUR	Current
CURB	Concentrated Upgrade and Repair of Buildings
CV	Check Valve
CVA	Clear Ventilation Area
CVAS	Controlled Ventilation Area System
CW	Clockwise
CY	Cycle
CY	Cubic Yard
CYL	Cylinder
D	Drain
D&ID	Ducting & Instrumentation Diagram
DAC	Dial Architectural Components
dB	Decibel
DBR	Design Brief Report
DC	Direct Current
DCW	Dining Chair Wood
DD	Design Development
DDA	Dembling Dembling Architects, P.C.
DEA	Design and Environmental Analysis
DEG	Degree
Dept	Department
DET	Detail
DF	Design For ....
DF	Deluxe Floor
DH	Dog House
DIA	Diameter
DIAG	Diagonal
DIDB	Domestic Interiors DataBase
DIM	Dimension
DIR	Design Input Requirements
DITB	Down in the Basement
Div	Divisionsion
DL	Dimension Lengthwise
DL	Drawing List
DL	Dead Load
DL	Decorative Lamp
DLF	Drawing List File
DLS	Drawing Layer Setup
DLSH	Dry Leached Surface Hardness
DN	Drafting Note
DN	Down
DO	Ditto
DOE	Determination of Eligibility

DP	Dew Point
DPC	damp-proof course
DPC	Damp Proof Course
DPDT	double pole double throw switch
DPM	Deformation Potential Mechanism
DPST	double pole single throw switch
DR	Door
DR	Design Remarks
DS	Disconnect Switch
DS	Door Switch
DS&R	Diller Scofidio Renfro
DT	Design Technology
DTAH	Formerly du Toit Allsopp Hillier, but since 2012 simply DTAH
DTE	Dual Tile Encoding
DU	Drafting Unit
DW	Dry Wall
DWG	Drawing
DWR	Design Within Reach
DX	Duplex
E	Eaves
E	Estimate
E	East
E	Entrance
EA	Each (as in a unit of measurement - one each)
EA	Equal Angle
eb	external beam radiotherapy
ECA	Engineering Critical Assessment
ECA	Erection Completion Acceptance
Ecc	Eccentric
EDAS	Energy Design Advice Scheme
EDC	Engineering Design and Communication
EDR	Equivalent Direct Radiation
EFIS	Expanded Foam Insulating System
EFRD	Emergency Flow Restricting Device
EFT	Earliest Finish Time
EGP	Enhanced Ground Plane
EI	Estimated Inner
EIAP	Emirates Institute of Architects and Planners
EIBS	European Installation Bus System
EIEO	End Inlet, End Outlet
EIFS	External Insulation and Finish System
EIT	Engineer In Training
EJ	Expansion Joint
EL	Elevator
ELB	Elbow
ELEC	ELECTRICAL, ELECTRIC, ELECTRICIAN
ELEV	Elevator
EM	Emergency
EMC	Electromagnetic Compatibility
EMER	Emergency

EMR	Elevator Machine Room
EMS	Environmental Management Systems
ENCL	Enclosure
Engr	Engineer
ENTR	Entrance
EPA	Effective Projected Area
EPA	End Point Adjustment
epdm	Ethylene Propylene Diene Monomere
EPFC	Engineering, Procurement, Fabrication, and Construction
EPIC	Engineering, Procurement, Installation, and Commissioning
EQ	Equal
EQP	Equipment
EQPT	Equipment
EQUIP	Equipment
ER	Exposed Run
ES	Element of Structure
ESA	Equal Space Area
ESSA	Earthfriendly and Self Sufficient Architecture
EST	Estimate
ETR	Existing to Remain
EVAP	Evaporator
EXEC	Executive
EXH	Exhaust
EXP	Expansion
EXT	Exterior
F	Floor
FA	Floor Area
FA	Facilities Annex
FA	Fire Alarm
FACD	Functional Analysis Concept Design
FACP	Fire Alarm Control Panel
FAD	Fresh Air Duct
FADS	Facility Accessibility Design Standards
FAIA	Fellow of the American Institute of Architects
FAP	Fire Alarm Panel
FAR	Floor Area Ratio
FASLA	Fellow of the American Society of Landscape Architecture
FBM	Foot Board Measure
FBO	Furnished by Owner
FCA	Floor Control Assembly
FCI	Facility Condition Index
FCIC	Furnished by Contractor, Installed by Contractor
FCO	Floor Clean Out
FD	Front Door
FDA	Field Demonstration Area
FDN	Foundation
FEED	Front End Engineering Design
FEL	From East Line
FF	Finished Floor Elevation
FFC	Fourth Floor Collapse

FFE	Finished Floor Elevation
FFL	Finished Floor Level
FFL	Finished Floor Line
FHV	Fire Hose Valve
FHWA	Federal Highway Administration
Fil	Fillet
FIM	Film Insert Moulding
FIN	Finished
FL	Front Living room
FL	floor level
FL	Front Left
FLA	Flame
FLAP	Fatal Light Awareness Programme
FMSS	Facility Maintenance Software System
FNDN	Foundation
FOH	Front Of the House
FOS	Front Of Store
FP	Floor Plan
FP	Front Porch
fplc	Fireplace
FR	Front Right
FRC	Fire Resisting Construction
FRC	Fibre Reinforced Cement
frc	Fibre Reinforced Cementitious
FRG	Flat Rough Granite
FRL	Fire Resistance Level
FROG	Finished Room Over Garage
FRP	Fire Resistant Protection
FRTW	Fire Retardant Treated Wood
FSI	Floor Space Index
FTD	Florescent To Daylight
FURN	Furnished
FV	Field Verify
FX	Fire Extinguisher
G	Gate
G	gully
GBT	Great Big Table
GCCM	General Contractor Construction Method
GCP	General Construction Plan
gd	Ground Designs
GD	German Design
GD	Geometric Dimensioning
GD	Gregorian Dome
GD&T	Geometric Dimensioning and Tolerancing
GDC	Geocentric Design Code
GERAM	Generalized Enterprise Reference Architecture and Methodology
GF	Garage Floor
GFA	Gross Floor Area
GFRC	Glass Fiber Reinforced Concrete
GGP	Green Globe Professional

GHP	Geothermal Heat Pump
GI	Global Inner
GI	Galvanized Iron
GIFA	Gauteng Institute for Architecture
GIFA	Gross Internal Floor Area
GL	Ground Level
GLOD	Geometric Level of Detail
GLT	Grande Luxe Tease
GLWN	Grass Lawn
GMLDG	Garnish Molding
GRC	Glass Fiber Reinforced Cement
GSF	Gross Square Footage
GWB	Gypsum Wall Board
h	Handle
H	Hall
H'line	Hairline
H/L	High Level
HABS	Historic American Buildings Survey
HAER	Historic American Engineering Record
HAPC	Historic and Architectural Preservation Commission
HARC	Historic Architectural Review Commission
HAS	Home Automation System
HBG	Hnedac Bobo Group
HC	Historical Colors
HC	Hot and Cold
HC	Historic Churches
HEED	Home Energy Efficient Design
HEPA	High Efficiency Particle Air filter
HERS	Home Energy Rating System
HET	Home Entertainment Theater
HF	High Floor
HF	House File
HGL	Hydraulic Grade Line
HHR	Heritage High Roof
HKIA	Hong Kong Institute of Architects
HLD	Heavy Lifting Device
HMB	Home Manufacturers Council of NAHB
HMS	Hazard Mitigation Survey
HNC	Hierarchical Network of Concepts
HOM	Hall Of Mirrors
HPAC	Heating, Piping, and Air Conditioning
HPCO	High Pressure Cut Out
HSS	Horizontal Stretch or Shrink
HSS	Hollow Structural Section
HTFA	High Temperature Forced-Air
HTWSSTKS	Hiram, Tyrian, Widow's Son, Sendeth to King Solomon
HVAC	Heating, Ventilation, and Air Conditioning
HYDR	Hydraulic
I	Interior
I/I	Infiltration and Inflow

IALD	International Association of Lighting Designers
IAQ	Inadequate Architectural Quality
IBS	Intelligent Building System
ICAPS	Integrated Commissioning and Progress System
icf	Insulated Concrete Forms
ICS	Infloor Cleaning System
ID	Interaction Designer
ID	Interaction Design
ID	Interior Design
ID	Inside Diameter
ID	Interactive Design
IDBB	Integrated Design/Bid/Build
IDBE	Interdisciplinary Design for the Built Environment
IDC	Industrial Design & Construction
IDC	Interior Designers of Canada
IDC	Insulation Displacing Connector
IDCA	International Design Conference Aspen
IDCA	Interior Design Coalition of Arizona
IDCO	Independent Design COllective
IDCW	Interior Design Coalition of Washington
IDCW	Interior Design Coalition of Wisconsin
IDL	Indented Drawing List
IE	Invert Elevation
IFC	Issued for Construction
IFC	Integrated Furnace Control
IFR	Internal Floating Roof
IG	Inner Geometry
IHG	Incidental Heat Gain
IIDA	International Interior Design Association
IKE	International Key Entrance
ILRT	Integrated Leakage Rate Test
IMD	In-Mould Decoration
IO	Inspection Opening
IP	Intellectual Property
IP	Internet Protocol
IPCS	International Programme on Chemical Safety
IPD	Integrated Product Development
IPD	Insulated Patio Door
IPMD	Interior Property Management Directives
IPS	Iron Pipe Size
IPT	Integrated Product Teams
IR	Isoprene Rubber
IR	Industrial Relations
IR	Infrared
IRAC	Institut royal d'architecture du Canada
IRR	Internal Rate of Return
IS	International Standard
ISBL	Inverted Short BaseLine
ISDN	Integrated Services Digital Network
ISES	International Solar Energy Society

ISIS	Intelligent Sensing for Innovative Structures
ISP	Internet Service Provider
ISP	Information Strategy Planning
IT	Information Technology
ITD	Interior Technical Design
ITP	Inspection & Testing Program
IUPAC	International Union of Pure and Applied Chemistry
IVO	Inlet Valve Opening
IWD	Inner Working Distance
J	Joint
J	Joule
JAD	Joint Architecture and Design
JAE	Journal of Architectural Education
JB	Junction Box
JCT	Junction
JIC	Joint In Center
JISC	Japanese Industrial Standards Committee
JIT	Just in time
JJG	Jordan, Jones, and Goulding architectural firm
JO	Job Order
JST	Joist
jt	Joint
JULIE	Joint Utility Locating Information for Excavators
JVM	Java Virtual Machine
K	Kelvin (absolute temperature scale)
K	Kilo-
KA	Kitchen Appliance
KBS	Knowledge Based System
KC	Kilocycle
kcd	kilocandela
KDRB	Knock-Down and Re-Build
KG	Known geometry
kg	Kilogram
kg.m	Kilogram Metre
Kgf	Kilogram Force
KHz	kilohertz (1000 cycles per second)
KIF	Knowledge Interchange Format
KIP	Kilopound
kJ	kilojoule (energy measure)
KL	Key Lock
KLDF	Kilo-Liters Design Flow
klx	kilolux
Km	Kilometer (1,000 meters)
km2	Square Kilometre
kN	Kilonewton
kPa	kiloPascal (pressure above ambient (100 kPa = 1 atmosphere excess))
ks	Kilosecond
kV	Kilovolt (one thousand volts) (measurement)
kv.A	Kilovolt-ampere
KVA	Kilovolt-Ampere

Kw	Kilowatt (one thousand watts) (measurement)
kWh	Kilowatt hour (one thousand watt hours) (measurement)
KWHR	Kilowatt Hour
L	Litre
L	Left
L	Long
L	Landscape
L	Line
L	Length
L/L	Low Level
LA	Local Authority
LA	Lightning Arrester
LAAB	Landscape Architectural Accreditation Board
LAB	Laboratory
LACAC	Local Architectural Conservation Advisory Committee
LAN	Local Area Network
LAT	Latitude
LATA	Landscape Architecture THESES Archive
LAV	Lavatory
lb	Pound
lbf	pound force
LBL	Label
LBR	Lumber
LC	Lower Center
LC	Lower Corridor
LC	Log Cabin
LCA	Life cycle assessment for steel construction
LCC	Life Cycle Costing
LCD	Liquid Crystal Diode
LCD	Liquid Crystal Display
LCL	Lower Confidence Limit
LCPE	Line Corrugated PolyEthelene
LCR	Left - Center - Right
Ldg	Lodge
LDO	Luxury Decor Option
LDPE	Low-Density Polyethylene (#4 plastic)
le	Location Extensions
LED	law enforcement desk; light emitting diode
LEED	Leadership in Energy and Environment Design
LEL	Lower Explosive Limit
LF	latest finish
LF	Load Factor
LF	Low Frequency
LFL	Lower Flammability Limit
LH	Left Hand
LHS	Left Hand Side
LIB	Object Code Library
LINAC	Linear Accelerator
LKR	Locker
LL	Live Load

LLDPE	Linear Low Density Polyethylene
LLF	Light Loss Factor
LM	Lumen
lm.h	Lumen Hour
lm.s	Lumen Second
LMS	Limestone
LNDG	Landing
LNG	Liquefied Natural Gas
LOC	Locate
LOD	Level Of Detail
Lold	Old Length
LONG	Longitude
LP	Lead Palate
LP	Low Pressure
LPM	Litres Per Minute
lpW	lumens per watt
LQS	Lighting Quality Standard
LR	Long Radius
LRFD	Load and Resistance Factor Design
ls	Loudspeaker System
LS	Low Speed
LS	Loud Speaker
LS	Limestone
LSC	Life Safety Code
LSS	Lightweight Steel Structure
LSS	Logistics Support Squadron
LT	Low Tension
LT	Low-Threshold
LT	Line Termination
LT	Light
LT WT	Lightweight
LTG	Lighting
LTL	Lintel
LV	Low Voltage
LVR	LiVing Room
LVR	Louver
LW	Light Weight
LWC	lightweight concrete
LWE	Long Wall Error
LWM	Low Water Mark
lx	Luxe Extra
LX	Luxembourg
LX	Lux
LY	Langley
M	Mega - One Thousand (in Roman Numerals)
m	Meter
M	Motor
M	Million
M&E	Mechanical & Electrical
M&R	Maintenance & Repair

M/L	Mid Level
m2	Square Metre
m3	Cubic Metre
MAAP	Mini architectural adapter plates
MAC	Metal Arc Cutting
MACE	Metadata for Architectural Contents in Europe
MAF	Minimum Audible Field
MAINT	Maintenance
MAL	Modern Audio Lounge
MAN	Metropolitan Area Network
MAP	Manufacturing Automation Protocol
MASH	Mansion Apartment Shack House
mat	Material Acquisition Team
mat	Materials and Technology
MAT	Materials Management Division
MAT	Material
MATL	Material
MAX	Maximum
MB	Megabyte
MB	Millibar(s)
MB	Multi-Block
MBF	Thousand Board Feet
MBSE	Model Based System Engineering
MC	Moisture Content
MC	Megacycle
MCC	Motor Control Center (JSC)
MCM	Mid-Century Modern
MCS	Maintenance Control Section
MCWS	Main Cold Water Service
MD	Medium Density
MD	Master Detail
MDBA	Maximum Design Basis Accident
MDF	Main Distribution Frame
MDF	Medium Density Fibreboard
MDO	Medium Density Overlay (engineered plywood)
MDPE	Medium Density Polyethylene
MDS	Microwave Distribution System
ME	Mechanical Engineer
MEAA	McCulloch England Associates Architects
MEC	Model Energy Code
Mech	Mechanical Equipment
MED	Mayan Epigraphic Database Project
MED	Medium Energy Detector
MED	Medium
MEK	Methyl Ethyl Ketone (butanone)
MES	Manufacturing Execution System
MF	Martensite Finished
MF	Medium Frequency
MFD	Manufactured Food Database
MFD	Manufactured

MFG	Manufacturers Focus Group
MFG	Manufacturer
MFR	Manufacture
MG	Motor Generator
MG	milligram; 1/1000 gram
MH	Manhole
MHBP	Mass House Building Projects
MHOF	Monsanto House Of the Future
MHZ	Megahertz (Megacycles Per Second)
MI	Malleable Iron
MI	Move In
MI	Mile
MIA	Marble Institute of America
MICE	Member of the Institution of Civil Engineers
MIEE	Member of the Institute of Electrical Engineers
MIH	Maximum Interior Humidity
MIKE	Microphone
MIN	Minimum
MIN	Minute
MIPS	Millions of Instructions Per Second
MIR	Mirror
MIS	Management Information System (OSHA)
MISC	Miscellaneous
MJ	Megajoule
MK	Market
MK	Mark (Navy weapon designation)
ML	Metal Louver
ML	Megalitre
MLD	Molding
MLDG	Molding
MLS	Modular Lighting System
mm	Millimeter
MM	Modified Mercalli Scale
mm2	square millimetre
mm3	Cubic Millimetre
MMB	Membrane
MMC	Modular Methods of Construction
MMC	Modern Methods of Construction
MMC	Maximum Material Condition
MMU	Memory Management Unit
MN	meganewton
MNA P	McNaughton Architect Partners
MNECH	Model National Energy Code of Canada for Houses
MNS	Mens' room
MOA	Means of Access
MOD	Module
MOE	Means of Escape
MOL	More Or Less
MOR	Modulus of Rupture
MOU	Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)

MP	Medium Pressure
MP	Mounting plate
MP	melting point
mPa.s	Millipascal Second
MPG	Miles Per Gallon
MPH	Miles Per Hour
MPPS	Most Penetrating Particle Size
MPT	Male Pipe Thread
MR	Mirror Roof
MR	Men's Rest room
MRAD	Milliradian
MRE	Mapping, Reporting, and Engineering
MRS	Multiple Roundpoint Structures
MRS	Mobile Roof Support
MRT	Mean Radiant Temperature
MS	Machine Screw
ms	Millisecond
MS	Mild Steel
MSB	Multi-Service Building
MSB	Main Switch Board
MSCL	Mild Steel Cement Lined
MSDS	Material Safety Data Sheets
MSI	Masonry and Structural Improvements
MSL	Mean Sea Level
MT	Material Table
MT	Mosaic Tile
MT	Mounted
MT	Mount Table
MT	Make Trace
MT	Mountain
MTBE	Methyl Tertiary Butyl Ether
MTBF	Mean Time Before Failure
MTBM	Mean Time Between Maintenance
MTD	Mounted
MTIA	Metal Trades Industry Association
MTL	Material
MTL	Metal
MTP	Material, Techniques, and Processes
MTR	Motor
MTTR	Mean Time To Repair
MV	Medium Voltage
MV	Megavolts
mV	Millivolt
MW	Megawatt (one million watts)
MWFRS	Main Wind-Force Resisting System
MWO	Modification Work Order
MWP	Maximum Working Pressure
N	Newton
N	Nitrogen
N	North

N/A	Not Applicable
NA	Not Available
NAAB	National Architectural Accreditation Board
NAAMM	National Association of Architectural Metal Manufacturers
NACE	National Association of Corrosion Engineers
NASA India	National Association of Students of Architecture (India)
NASF	Net Assignable Square Footage
NATA	National Aptitude Test in Architecture
NATA	National Association of Testing Authorities
NAVFAC	Naval Facilities Engineering Command
NB	National Body
NB	Nota Bene. Abbreviation of the Latin expression commonly used to emphasise the importance of a statement, literally meaning 'observe well'. Or less politely and more amusingly, No Bullshit.
NBC	National Building Code
NBS	National Building Specification
NBS	National Bureau of Standards (US)
NC	Neoclassical Component
NC	No Change
NC	Nitrocellulose
NC	Noise Criteria
NC	Normally Closed
NCARB	Certified by the National Council of Architectural Registration Boards
NCARB	National Council of Architectural Registration Boards
NCCE	National Council of Engineering Examiners
NCIDQ	National Council for Interior Design Qualification
NCMA	National Concrete Masonry Association
NCO	Non-Commissioned Officer
NCSA	National Centre for Supercomputing Applications
ND	Narrow Door
ND	New Design
NDC	New Developers Conference
NDE	Non-Destructive Evaluation
NDI	Non-Destructive Inspection
NDT	Nondestructive Test
NE	North-East
NEC	National Electrical Code
NEF	Noise Exposure Forecast
NEMA	National Electric Manufacturer's Association
NEUT	Neutral
Nf	Noise Frequency
NFPA	National Fire Protection Association
NFS	Not Further Specified
NG	No Gaps
NG	Natural Gas
NG	No Good
NG	Non-Geometric
NGHP	Natural Gas Heat Pump
NH	No hall
NH	Nil Height
NH	No Heat
NHS	Nice Homely Surroundings

NI	Non-Insulated
NI	Nickel
NIC	Not In Contract
NID	National Institute of Design, India
NIIIP	National Industrial Information Infrastructure Protocols
NK	neck
NL	Noise Level
NL	No Liability
NLAA	Newfoundland and Labrador Association of Architects
NM	Nanometre
NMT	Non-Metallic
NNI	Nederlands Normalisatie-instituut
NNW	North North-West
NO	Number
NO	Normally Open
NOM	Nominal
NPC	Net Present Cost
NPS	Nominal Pipe Size (sometimes NS)
NPSM	National Pipe Straight Mechanical thread
NPV	Net Present Value {economics}
NR	Noise Reduction
NRC	National Research Council (Canada)
NRC	Noise Reduction Coefficient
NRE	nonrecurring engineering
NRRR	Non-Residential Remodeling and Renovation
NRV	Non Return Valve
NS	Near Side
NSAI	National Standards Authority of Ireland
NSC	nominated subcontractor
NSF	Net Square Footage
NSPE	National Society of Professional Engineers
NSW	New South Wales
NT	Northern Territory
NTC	Negative Temperature Coefficient
NTS	Not To Scale
NVD	Night Vision Device
NVLAP	National Voluntary Laboratory Accreditation Program
NW	North West
O	Oxygen
O/S	Out Of Service
OA	Office Automation
OA	Outside Air
OAH	Overall Height
OAL	Outdoor Area Lighting
OAL	outside air louvers
OASIS	Organization for the Advancement of Structured Information Systems
OBC	Ontario Building Code
Obix	Open Building Information Exchange
OBL	OBLique
OBS	Organizational Breakdown Structures

OC	Operating Characteristic
OC	On Center
OC	Operation Center
OCB	Oil Circuit Breaker
OCCS	Overall Construction Classification System
OCR	Optical Character Recognition
OD	outside dimension
OD	outer diameter
OD	Outside Diameter
ODA	Open Document Architecture
ODAT	Ohio Design Assistance Team
ODBC	Open Database Connectivity
ODIF	Office Document Interchange Format
ODL	Object Definition Language
ODMA	Open Document Management API
ODP	Ozone Depletion Potential
OEM	Original Equipment Manufacturer (usually in reference to car parts)
OEOB	Old Executive Office Building
OESC	Ontario Electrical Safety Code
OF	Outside Face
OFC	Ontario Fire Code
OFCH	Oil-Fired Central Heating
OFCI	Owner Furnished Contractor Installed
OFL	Over-FLow alarm
OGIS	Open Geodata Interoperability Specification
OGSF	Overall Gross Square Feet
OGSF	Outside Gross Square Footage
OH	Overhead
OHD	Overhead Door
OHW	OverHead Weight
OJ	Outer Join
OLE	Object Linking and Embedding (Microsoft communication protocol)
OM	Operational Maintenance
OMA	Object Management Architecture
ON	Osterreichisches Normungsinstitut
ONO	Or Near Offer
OO	Object Oriented
OOAA	office of architectural affairs
OODB	Object Oriented Database Because
OOPL	Object Oriented Programming Language
OOTW	Out Of This World
OP	Opposite
OP	Opaque
OPB	One-Piece Building
OPBS	One-Piece Building Specifcation
OPC	Ordinary Portland Cement
OPP	Opposite
OPSD	Ontario Provincial Standard Drawing
OPSO	OverPressure ShutOff
OPSS	Ontario Provincial Standard Specification

OPSV	OverPressure Safety Valve
Opv	Overpressure Valve
or	outside radius
OR	Operations research
ORB	Object Request Broker
ORP	Operational Readiness Platform
OS	Open Space
OSB	Oriented Strand Board
OSD	On-Site Stormwater Detention
OSR	Open Side Ruled
OT	Overflow Threshold
OTK	oil tank
OTS	Open to Sky
OUT	Outlet
OVFL	OVerFLow
P	Power Panel
P	Pool
P	Pitch
P&ID	Piping and Instrumentation Diagram
P. LAM	Plastic Laminate
PA	Public Addresses
Pa	Pascal (1N/m2)
PA	Per Annum
PAC	Plasma Arc Cutting
PAG	Prescriptive Architectural Guidelines
PAL	Porch Aim Layout
PAPI	Precision Approach Path Indicator (aviation)
PAR	Parallel
PASC	Pacific Area Standards Congress
PASS	Passenger
Path	Partners for Advanced Transit and Highways
PAW	Plasma Arc Weld
PAX	Private Automatic Exchange
PB	Polybutylene
Pb	Push-button
PB	Pull Box
PB	Pull Box (fire alarm)
PBD	plasterboard
PBTP	Polybutylene Terephthalate Polymer
PC	pullchain
PC	precast
PC	Pink Curtains
PC	police call box
PC	Precast Concrete
PC	Personal computer (host)
PC	Polycarbonate
PCA	Printed Circuit Assembly
PCB	printed circuit board
PCC	Precast Concrete Company
PCF	Pounds per cubic foot

PCS	Planning Connect System
PD	Participatory Design
PD	Potential Difference
PD	Projective Dimension
PD	Pipe Duct
PD	Production Drawing
PD	Pressure Down
PD	pump discharge
PDA	Personal Digital Assistant
PDE	Paint Design Engineering
PDE	Product Data Exchange
PDES	Product Data Exchange Using Step
PDF	Portable Document Format (created by Adobe Acrobat)
PDL	Poundal
PDL	Pre-Designed Layout
PDM	Product Data Management
PDM	Precedence Diagramming Method
PDML	Product Data Markup Language
PDP	Painted
PE	photoelectric
PE	ployethylene
PE	Price to Engineers
PE	Protective Earth
PE	Professional Engineer
PEB	Pre Engineered Building
PED	Pedestal
PEEK	Polyetheretherketone
PEI	PolyEtherImide
PEK	Polyetherketone
PEK	Polyetherketone Etherketone Ketone
PEMB	Pre-Engineered Metal Building
PEOX	polyethylene oxide
PERF	Performance
PESU	Polyether Sulfone
PETP	Polyethylene Terephthalate
PF	Picofarad
PFC	Power Factor Correction/Correcting
PG	Pressure Gauge (Report)
PGDB	Plumbers, Gasfitters and Drainlayers Board
PGML	Precision Graphics Markup Language
PGP	Pretty Good Privacy (encryption)
PH	Phase
PH	Preheat
PhD	Post Hole Digging
PI	Performance Indicator
PIA	Peripheral Interface Adaptor
PIB	PolyIsoButylene
PIC	Programmable Interrupt Controller
PICV	Pressure-Independent Control Valve
PID	Piping & Instrumentation Diagram

PIM	Personal Information Manager
PIN	Personal Identification Number
PISU	polyimidesulfone
PKG	Parking
PKWY	Parkway
PL	Plate
PLC	Power Line Carrier
PLD	Programmable Logic Device
PM	Project Manager
PM	Preventive Maintenance
PMCS	Project Management Control System
PMI	Project Management Institute
PMMA	Polymethyl Methacrylate
PMP	Project Management Plan
PMS	Power Management System
PN	Nominal Pressure
PN	Part Number (P/N Preferred)
PNC	Preferred Noise Criteria
PNdB	perceived noise level
PNEU	Pneumatic
PNL	Panel
PNP	Plan And Profile
PNT	Paint
PO	Post Office
Po	Chamber Pot (from the French - pot de chambre)
POD	Portobello Open Door
POL	Petrol Oil and Lubrication
POPS	Privately Owned Public Space(s)
PORT	Portable
PP	Plaster
PP	Pages
PP	Painted
PPP	Public Private Partnership
PPS	Polyphenylene Sulfide
PPSU	polyphenylene sulfone
PQP	Project Quality Plan
PR	Pair
PRES	Pressure
PRESS	Pressure
PRI	Primary
PROT	Protection
PRTN	Partition
PRV	Pressure Reducing Valve
PSC	Pre-Stressed Concrete (construction)
PSIG	Pounds per square inch gage
PSTC	Pressure Sensitive Tape Council
PT	Point
PT	Paint
PT	Part
PTC	Positive Temperature Coefficient [elec. Conducting Material]

PTD	Painted
PTG	Painting
PTN	Partition
PTO	Please Turn Over
PUH	Pick Up Head
PUP	polyurethane paint
PV	Paving
PVAL	PolyVinyl Alcohol
PVC	Polyvinyl Chloride
PVCA	polyvinyl chloride acetate
PVDC	Polyvinylidene Chloride
PVDF	Polyvinylidene Fluoride
PVF	Poly(vinyl Fluoride)
PVFM	Poly(vinyl Formal)
PVG	Paving
PVK	Polyvinyl Carbazole
PVP	Polyvinylpyrrolidone
PVT	Private
PW	Per Week
pW	Picowatt
PWHT	postweld heat treatment
PWR	Power
Q&A	Questions & Answers
Qa	Center for Quality Assurance in International Education
QAD	Quick And Dirty
QBK	Queen bed Business class with Kitchenette
QC	Quality Control
QDK	Queen bed Deluxe with Kitchenette
QFI	Quench Flow Instrument
QI	Quality Improvement
QKH	Queen bed and Kitchen (Handicap)
QM	Quality Management
QPL	qualified products list
QS	Quality System
QS	quantity surveyor
QSAR	Quantitative Structure-activity Relationship(s)
QT	Quart
QTR	Quarter
QTY	Quantity
R	Red
R	Resist
R	Reduction
R	Radius
R	Required
R	Riser
R and R	Remove and Replace
R&R	Remove & Replace
RA	Registered Architect
RA	Return Air
RAAF	Royal Australian Air Force

Rad	Radiant
RAD	Radius
Rad	Radiator
RADHAZ	Radiation Hazard
RAGAGEP	Recognized And Generally Accepted Good Engineering Practices
RAIA	The Royal Australian Institute of Architects
RAIC	Royal Architectural Institute of Canada (now Architecture Canada)
RAID	Registered Architect
RAP	Regimental Aid Post
RAW	Right Angle Weave
RB	Rubber
RBDO	Relibility-Based Design Optimization
RBS	Royal Building System
RC	Rocking Chair
RC	Reinforced Concrete
RC	Room Criterion
RCD	Residual Current Device
RCF	Relative Centrifugal Force
RCFA	Root Cause Failure Analysis
RCP	Reflected Ceiling Plan
RCP	Rapid City Profile
RCP	Reinforced Concrete Pipe
RCPC	Reinforced Concrete Primary Containment
RCPT	Receptacle
RD	Round
RD	Relative Density
RDK	Richard D. Kimball Company, Inc.
RDM	Resonance Damping Mechanism
Rec	Receiver-Exciter-Controller
REC	Receiver
RECP	Receptacle
Ref	Refer
REG	Register
REM	Remove
Req	Require
REQD	Required
RESPA	Real Estate Settlement Procedures Act of 1974
RET	Return
REV	Revision
REV	Reverse
REVIVAL	Retrofitting for Environmental Viability Improvement of Valued Architectural Landmarks
RF	Roof
RF	Radio Frequency
RFG	Roofing
RFI	Radio Frequency Interference
RFID	Radio Frequency Identification
RFS	Regardless of Feature Size
RFT	Request for Tender
RGH	Rough
rGH	Rough Guide Hotwired

RGTR	Register
RH	Right Hand
RH	Reheat
RH	Relative Humidity
RHS	Right Hand Side
RHS	Rectangular Hollow Section
RI	Radio Interference
RIA	Really Interesting Architecture
RIBA	Royal Institute of British Architects
RISC	Reduced Instruction Set Computing
RISD	Rhode Island School of Design
RL	Reference Level
RL	Roof Level
RLA	Registered Landscape Architect
RLM	Right-to-Left Mark
RM	Room
RMC	Rigid Metal Conduit
RMC	Ready Mix Cement
RMI	Remote Method Invocation
RMV	Remove
RNK	Rink
RO	Reverse Osmosis
RO	Rough Opening
ROIC	Resident Officer In Charge
ROICC	Resident Officer In Charge of Construction
ROL	Rights of Light
ROR	Rotate Right
ROW	Right-Of-Way
RPE	Room Partition Element
RPM	Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know
RPM	Revolutions Per Minute, (Rotations Per Minute)
rps	revolutions per second
RPT	Repeat
RRA	Richard Rude Architectural
RRMDL	Residential Remodel
RRP	Recommended Retail Price
RS	Re-Scaled
RSM	Rock Solid Mates
RSW	Resistance Spot Welding
RTA	Ready-To-Assemble
RTF	Revision Task Force
RTFB	Round To Flat Beam
RTU	Remote Terminal Unit
RV	Relief Vent
RVA	Recorded Voice Announcement
RVS	Reverse Side
RVT	Rivet
RW	Rotary Wing
RW	Redwood
RWD	Redwood

RWO	Rain Water Outlet
RWP	Rainwater Pipe
RWY	Runway
S	South
s	second (do NOT use "sec" for "second;" use "sec" for "secant")
S	Step
S/S	Stainless Steel
S2S	Surfaced Two Sides
SA	Standards Australia
SAA	Standards Association of Australia
SABS	South African Bureau of Standards
SAD	School of Architecture and Design
SAD	Supply Air Duct
SADL	Structural Architecture Description Language
SADT	Self-accelerating Decomposition Temperature
SAF	Sarasota Architectural Foundation
SAH	Society of Architectural Historians
SAI	Sundberg Architectural Initiative
SALS	Simple Approach Lighting System
san	Sanitary
SANZ	Standards Association of New Zealand
SAR	Stichting Architecten Research (Foundation for Architects' Research)
SAR	Structures Are Reactive
SAR	Structure-Activity Relationship
SAS	Security Alarm System
SATCO	Senior Air Traffic Control Officer
SAW	Submerged Arc Welding
SB	Snack Bar
SB	Sink Base
SB	Stilb
SB	Sub-Basement
SBEM	Simplified Building Energy Model
SBR	Straight Before Radius
SBR	styrene-butadiene rubber production
SBS	Sick Building Syndrome
SC	Short Circuit
SC	Square Connector (optical connector type)
SCADA	Supervisory Control And Data Aquisition
SCAPE	Systems Components Architectural Products and Environments
SCBA	Self-Contained Breathing Apparatus
SCC	Standards Council of Canada
SCH	Schedule
SCHED	Schedule
Scip	Structural Concrete Insulated Panel
SCM	Supply Chain Management
SCRD	Standard Construction Requirements and Details
SCRN	Screen
SD	Side Door
SD	Sketch Dimension
SD	Specification & Description

SD	Smoke Detector
SDF	Single Degree of Freedom
SDR	Standard Dimension Ratio
SDS	Safety Data Sheet
sds	Structured Cabling System
sec	Security Office
SEC	Security and Exchange Commission
sec	Security Clearance
sec	Security screening
sec	Security Exchange Commission
sec	Security Equipment Corporation
sec	Security Evaluation Criteria
SEC	ETSI Security Technical Committee
sec	Security Item
SEC	Second
sec	Security Code
sec	Security Encoding Computer
sec	Security System
sec	Security Export Control
SEC	Security
SECT	Section
secy	secretary
SEL	Select
SELV	Safety Extra Low Voltage
SERC	Science and Engineering Research Council
SERV	Service
SES	Service Entrance Section
SET	Secure Electronic Transaction
SF	Square Foot
SF	Square Footage
SF	Step Footing
SFCA	Square Foot Contact Area
SG	Specific Gravity
sgml	Standard Generalized Mark-up Language
She	Safety, Health and Environmental
SHF	Super High Floor
SHM	Structural Health Monitoring
SHPO	State Historic Preservation Office (US)
SHS	Square Hollow Section
SI	Système International d'unités (International System of Units)
sic	so written
SIC	Sealing, Insulating, and Caulking
Sid	School of Interior Design
SIG	Special Interest Group
SIG	Signaling Interworking Gateway
SIG	Signal
SIL	Speech Interference Level
SIP	Structural Insulated Panel
SJI	Steel Joist Institute
SL	Sky Light

SL	Sea Level
SLV	Short Leg Vertical
sma	Shielded Metal Arc Welding
SMC	Sheet molding compound
SME	Scale Model Engineering
SMIL	Synchronized Multimedia Integration Language
SMPS	Switched Mode Power Supplies
SMS	Styrene-a-Methylstyrene
SMS	Spatial Management System
SNG	Synthetic Natural Gas
SNK	Sink
snt	Sealant
SOG	Slab on Grade
SOR	State Of Requirement
SOV	Shut Off Valve
sp	Standpipe
sp	Soundproof
SPDT	Single Pole Double Throw
SPEC	Specification
Specs	Specifications
SPI	Society of the Plastics Industry
SPICE	Structured Process Improvement for Construction Enterprises
SPL	Special
SPL	Sound Pressure Level
SPST	Single Pole, Single Throw
SPT	Standard Penetration Test (soil science)
SPUD	Single Person Urban Dwelling
SQ	Square
SQL	Structured Query Language
SR	Standard Reconstruction
SR	Steradian
SRJ	Steel Ring Joint
SRS	Single Room Supplement
SS	Stainless Steel
SS	Substation
ssae	Student Society of Architectural Engineers
SSI	Soil Structure Interaction
SSIU	Straddling Span Interface Unit
SSL	Secure Socket Layer
SSMH	Sanitary Sewer Manhole
SSPA	Solid State Power Amplifier
SSPW	Schneider, Shay, Pian, Worcester Architects
SSS	Self-Supporting Structure
SSV	Solid Surface Veneer
SSW	Solid-State Welding
STA	Station Line
STA	Station
STC	Sound Transmission Class
STD	Secondary Telecom District
STD	Standard

STEL	Short Term Exposure Limit
stg	Seating
stg	Storage
STLB	Standard Tile shower, Left Bench
STMP	Stone Tile Masonry Protector
stor	Storage
STP	standard temperature and pressure (0° and 1 atm)
STP	Sewage Treatment Plant
STRL	Structural
STRUCT	Structural
SUPT	Superintendent
SUSP	Suspend
SV	Stop Valve
SV	Safety Valve
SV	Solenoid Valve
SVG	Scalable Vector Graphics
SVP	Soil Vent Pipe
SW	Switch
SW	Sidewalk
SW	Sea Water
SWBD	Switchboard
SWG	Standard Wire Gauge
SWP	Safe Working Pressure
SXE	Straight Edge
SY	Square Yard
SYN	Synthetic
SYS	System
T	tonne
T	Tesla
T&P	Temperature & Pressure Relief Valve
TAA	Teymur Ali Ashurbeyov
TAN	Tangent
TASA	Tacheometric Accelerator Surveying and Alignment
TASM	Torsional Analysis of Steel Members
TB	Terminal Board
TBAE	Texas Board of Architectural Examiners
TBC	Top Back of Curb
TBD	Two Bed Doors
TBM	Tunnel Boring Machine
TBM	Temporary Benchmark
TBP	Technologies for Business Processes
tBR	Tile Based Rendering
TBS	To Be Supplied(by government)
Tbto	Tributyltin Oxide
TC	Technical Committee (HL7)
TC	Terracotta
TCD	Thinline Cutaway Dual
TCD	Two Coats a Day
TCF	Total Cubic Feet
tcs	Terne-Coated Stainless Steel

TCT	Transfer Certificate of Title
TD	Time Delay
Tdc	Time Delay Closing
TDO	Time Delay Opening
TE	Terminal Equipment
TEC	Total Environment Control
TEL	Telephone
TEMP	Temperature
TEMP	Temporary (worker, file, etc.)
TERM	Terminal
TF	Tree Fort
TF	Total Float
TG	Tongue & Groove
TGA	thermal gravimetric analysis
tgl	Toggle
THK	Thick
THKNS	Thickness
THR	Threshold
THRU	Through
THT	Tomorrows Home Today
TI	Temperature Indicator
TIG	Tungsten Inert Gas
TKWA	The Kubala Washatko Architects
TL	Transmission Loss
TLC	Tile, Linoleum, and Carpet
TLS	Toilet Locking System
tlt	Toilet
TLV	Threshold Limit Value
TOC	Top of Casing
TOC	Top of Concrete
TOF	Top of Footing
TOG	Top Of Grade
TOG	Top of Grating
Togaf	The Open Group Architectural Framework
TOL	Tolerance
TOP	Technical And Office Protocol
TP	True Position
TP	Tee Pee
TPI	Thermoplastic insulated
TQM	Total Quality Management
TR	Temperature Recorder
Trans	Transformer
TS	Time Switch
TS	Timber Supply
TSP	total suspended particles
TST	Truss Steel Structure
TSTAT	Thermostat
TT	Table Topics
TT	Table Top
TTW	Tall, Thick, Wide

TV	Television
TVSS	Transient Voltage Surge Suppressor
TW	Top of Wall
twa	Time Weighted Averages
TWU	Transport Workers Union of America
TWU	Transport Workers Union of Malaysia
TWY	Taxiway
TXV	Thermal eXpansion Valve
Typ	Typical
TZ	Terrazzo
U	Undergirding
UAI	Urban Architectural Initiatives
UBC	Uniform Building Code
UBE	Units, Buildings, and Environment
UC	Under Construction
uc	Undercut
UEL	Upper Explosive Limit
UFA	Usable Floor Area
UFL	Upper Flammability Limit
UFS	Universal Frame System
UG	User Group
UG	Underground Garage
UGF	Under Gravel Filters
Uh	Unit Heater
UHE	Ultra-High Efficiency
UHF	Ultra High Frequency (300-3000 MHz; 1m-10cm)
UI	User Interface
UL	Upper Level
UL	Underwriters Laboratories
ULF	Ultra-Low Floor
ulg	Unleaded Gasoline
Ulp	Unleaded Petrol
uml	Unified Modelling Language
UNEP	United Nations Environment Program
UNO	Unless Noted Otherwise
UON	Unless Otherwise Noted
up	Unpainted
UPS	Uninterruptible Power Supply
URE	Upstairs Room Entertainment
URM	Unreinforced Masonry
USF	Usable Square Feet
USF	Usable Square Footage
USFB	Ultra Shallow Floor Beam
USS	United States Standard
USW	Ultrasonic Welding
UT	Utility
UTS	Ultimate Tensile Strength
UV	Ultraviolet (Light)
UVR	Ultraviolet Radiation
V	Volt (measurement)

V	Valve
V/V	Volume Per Volume
VA	Volt Ampere
VAC	Vacuum
VAR	Value Added Reseller
VAT	Vinyl Asbestos Tile
VAV	Variable Air Volume
VB	Visual Basic
VCD	Variable Control Damper
VCM	Vinyl Chloride Monomer
VCP	Vitrified Clay Pipe
VCP	Visual Comfort Probability
VCR	video cassette recorder/player
VCVDC	Poly Vinyl Chloride-Vinylidene Chloride
VDR	Voltage Dependent Resistor
VDT	Visual Display Terminal
VDU	Visual Display Unit
VE	Virtual Enterprise
VERT	Vertical
VF	Voice Frequency
VFD	Vernacularly Fastened Door
VFI	Viewed From Inside
VGC	Very Good Condition
VGL	Valve Guide Level
VHF	Very High Frequency
VHSIC	Very High-Speed Integrated Circuit
VHT	Vertical and Horizontal Transportation
VLF	Very Low Frequency
VLR	Very Large Ranch
vlt	Vault
VM	Vintage Mahogany
VM	Value Management
VM	Virtual Manufacturing
VMC	visual meteorological conditions
VML	Vector Markup Language
VMS	Variable Message Signboards
VMV	Vapor Management Valve
vnr	Veneer
VO	Variation Order
VO	Virtual Organization
VOL	Volume
VP	Vacuum Pump
VPN	Virtual Private Network (ATM)
VR	Voltage Regulator
VR	Virtual Reality
VRL	Vertical Reference Line
vrm	Vermiculite
vrml	Virtual Reality Modelling Language
VRSB	Venturi, Rauch, and Scott Brown Architects
VS	Vertical Space

VS	Visual Slim
VSD	Variable Speed Drive
VTM	Valve Texture Material
VTOC	Virtual Table Of Components
VWB	Vaportight Wall Box
VWM	Vaportight Wall Mount
VWR	Vertical Wall Recessed
VWS	Vibrating-Wire Stressmeter
W	Watt
W	West
W	Wide
W	Width
W	Workprint
W/	With
WAA	Western Awning Association
WAN	Wide Area Network
WAPA	Washington Association of Professional Anthropologists
WB	Wet Bulb
WB	Weber
WB	Weber Basin
WBF	Wood-Burning Fireplace
WBS	Wood Burning Stove
WBS	Work Breakdown Structure
WC	Water Cooler
wc	Water Closet (in building plans)
WC	Wall Coordinates
WC	Woodcutting
WCDE	Waterloo Cases in Design Engineering
WCM	Wall Current Monitor
WD	Windows and Doors
WD	Wood
WDDK-R	Wood Decking Rear
wdp	Wood, Painted
wdp	Wood Panel
WDW	Window
WEF	Water Environment Federation (formerly WPCF)
WFM	Work Flow Management
WFVR	Wet False Vertical Room
WG	Wire Gauge
WG	Water Gauge
WI	Wrought Iron
WI	Within
WIP	Work In Progress (process)
WIR	Walk in Robe
WKR	Walkramp
WL	Water Line
WMO	World Meteorological Organization (ICSU)
wmr	Water Meter
WMSI	Wall Motion Score Index
WNC	Washington National Cathedral

WONA	W. O. Newhaus Architects
WP	Working Point
WP	Working Pressure
WPC	Wood-Plastic Composite
wpr	Waterproofing
WS	Weatherstripping
WS	Water Supply
WSF	Wood Solutions Fair
wt	Waste Vent
WT	Wall Thickness
wt	Wall Vent
WTIA	Welding Technology Institute of Australia
wtk	Water Tank
WTP	Water Treatment Plant
wu	Window Unit
WVDCH	West Virginia Division of Culture and History
WW	Waste Water
WWM	Welded Wire Mesh
WWS	Wireless Wall Switch
WWSK-2	Wireless Wall Switch With 2 Hour Timer
WWSK-6	Wireless Wall Switch With 6 Hour Timer
WWT	Waste Water Treatment
WWW	World Wide Web
X HVY	Extra Heavy
XCONN	Cross Connection
XEPS	Extruded Polystyrene
XL	Extra Large
XLPE	Cross Linked Polyethylene
XML	Extensible Markup Language
XMV	Exterior Mount Ventilator
XSL	EXtensible Style Language
y	Yellow Phase
yd	Yard Dyed
YD	Yard
YD2	Square yard
YD3	Cubic yard
ylt	Yellow Light
YR	Year
YRD	Yard
YS	Yield Strength
ZAR	Zapf Architectural Renderings
zs	Zinc-coated Steel
Ø	Diameter