Construction industry acronyms (4,209 entries)
From Beijerterm
- Acronym: Meaning
- A: Area
- A: Area, Ampere; Acre; Alcove; Compressed Air Line
- A2A: Air-To-Air
- A2W: Air-To-Water
- AA: Alkali-Activated (binders)
- AA: annual average
- AABC: Architects Accredited in Building Conservation
- AADT: Annual Average Daily Traffic
- AAR: annual average rainfall
- AAV: Air Admittance Valve (sometimes referred to as a Durgo valve)
- AAWT: annual average weekday traffic
- AB: Acoustic Brace
- AB: Airbrick
- AB: Alarm Bell
- AB: Anchor Bolt
- AB: Anchor Bolt; Asbestos Board
- AB: As Built
- ABC: Above Ceiling
- ABE: Association of Building Engineers
- ABR: Alternative Bars Reversed
- ABS: Acrylonitrile Butadiene Styrene
- ABV: Above
- AC: Air Conditioning
- AC: Air Conditioning, Alternating Current, Acoustical
- AC: Alternating Current.
- AC: Annual Cost.
- AC: Appeal Case
- AC: Asbestos cement
- AC: asphalt concrete
- ACA 3: Form of Building Agreement
- ACA: Association of Consultant Architects
- ACAS: Advisory, Conciliation and Arbitration Service
- ACASFA: Association of Consultant Architects Standard Form of Agreement CA: Conditions of Appointment
- ACC: Access
- ACD: Accredited Construction Detail
- ACE: Association for Consultancy and Engineering
- ACF: Architectural Concrete Finish
- ACFL: Access Floor
- ACI: American Concrete Institute
- ACL: Across the Line
- ACM: Asbestos Containing Materials
- ACOUST: Acoustical
- ACPL: Acoustical Plaster
- ACR: Acrylic
- ACS: Average Cold Spell
- ACST: Acoustic
- ACT: Acoustic Ceiling Tile
- ACT: Acoustical Tile; Actual
- ACT: Advanced Curtain Walling Technology
- AD: Access Door, Area Drain
- AD: Anaerobic Digestion
- AD: Anno Domini
- AD: Approved Document
- AD: Area Drain
- AD: Aspirated Detector
- ADA: Americans with Disabilities Act of 1992
- ADAAG: Americans with Disabilities Act Architectural Guidelines
- ADCAC: Approval of Details (relating to CAC)
- ADD: Addendum; Addition
- ADDL: Additional
- ADFULL: Approval of Details (relating to FULL)
- ADH: Adhesive
- ADJ: Adjust, Adjustable, Adjacent
- ADLBC: Approval of Details (relating to LBC)
- ADQ: Actual Digital Questions
- ADR: Alternative Dispute Resolution
- ADS: Area Data Sheets
- ADV: Advert Application
- AEA: Allowed Enforcement Appeal
- AEC: Annual Equivalent Cost.
- AEC: Architectural, Engineering and Construction
- AECB: Association for Environment Conscious Building
- AECO: Architecture, Engineering, Construction and Operation
- AECOO: Architecture, Engineering, Construction, Owner and Operator
- AEDET: Achieving Excellence in Design Evaluation Toolkit (healthcare buildings)
- AEP: annual exceedance probability
- AEV: Annual Equivalent Value.
- AF: Above the Floor
- AFF: Above Finished Floor
- AFFL: Above Finished Floor Level
- AGA: American Gas Association
- AGG: Aggregate
- AGGR: Aggregate
- AHERA: Asbestos Hazard Emergency Response Act
- AHU: Air Handling Unit
- AHVLA: Animal Health and Veterinary Laboratories Agency
- AI: Approved Inspector
- AI: Architect's Instruction
- AIA: American Institute of Architects, American Insurance Association
- AIA: Asbestos International Association
- AIB: Asbestos Insulation Board
- AIC: Amperes Interrupting Circuit
- AIEE: American Institute of Electrical Engineers
- AIM: Architectural Information Model
- AIM: Asset Information Model
- AIOSH: Associate of the Institute of Occupational Safety and Health
- AIR: Asset Information Requirements.
- AISC: American Institute of Steel Construction
- AL: Aluminum
- ALARP: As Low As Reasonably Practicable
- ALB: Arm's Length Body
- ALC: Agricultural Land Classification
- ALC: Alliance Contract
- ALG: Association of London Government
- ALGAO: Association of Local Government Archaeological Officers
- ALGE: Association of Local Government Ecologists
- ALM: Alarm
- ALO: Architectural Liaison Officer
- ALOS: Average Length of Stay
- ALS: Acrylic Latex Sealant
- ALT: Alternate, Alteration; Altitude
- ALUM: Aluminium
- ALUM: Aluminum
- AM: Additive Manufacturing (3D printing)
- AM: Asset Management
- AMB: Ambient
- AMF: Above Main Floor
- AMF: Automatic Mains Failure (detection)
- AMP: Agreed Maximum Price
- AMP: Ampere, Ampacity
- AMP: Asset Management Plan
- AMP5: Asset management plan for the 5-year period 2010-2015
- AMPY: Ampere
- AMT: Amount
- AMT: Automatic Monitoring and Targeting
- AN: Anode
- ANC: Association of Noise Consultants
- ANCH: Anchor, Anchorage
- ANN: Annunciator
- ANOD: Anodised
- ANOD: Anodized
- ANSI: American National Standards Institute
- ANT: Antenna
- AOB: Any Other Business
- AoC: Attestation of Conformity
- AOCTs: Associated Overseas Countries and Territories
- AOD: above Ordnance Datum
- AoE: Audio over Ethernet
- AOM: Asset Optioneering Model
- AONB: area of outstanding natural beauty
- AoS: appraisal of sustainability
- AOV: Automatic Opening Vent
- AP: Access Panel
- AP: Accredited Professional (BREEAM)
- AP130: 30-day antecedent precipitation index
- APAD: Application for Prior Approval to Demolish
- APC: Aminopolycarboxylate
- APC: Assessment of Professional Competence
- APE: Association of Planning Engineers
- APF: Assigned Protection Factor
- API: antecedent precipitation index
- APPD: Approved
- APPG: All Party Parliamentary Group
- APPROX: Approximate
- APRVD: Approved
- APS: Association of Planning Supervisors
- APT: Apartment
- APUDG: All Party Urban Development Group
- APW: available profile water
- APX: Approx.
- APX: Approximate
- AQAP: air quality action plan
- AQMA: air quality management area
- AQMA: Air Quality Management Area
- AQMP: Air Quality Management Plan
- AQP: Academically Qualified Person
- AR: Acid Resisting
- ARB: Architects Registration Board
- ARC: Alarm Receiving Centre
- ARCA: Asbestos Removal Contractors Association
- ARCH: Architect, Architectural
- ARL: Asset Remaining Life
- ARPT: Annual Residential Property Tax
- ARS: Asbestos Roof Shingles
- ARS: Average Risk Score
- AS: Acoustic Sealant
- AS: AcouStud
- AS: Aspirated Detector
- AS: Audio Speaker
- ASB: Asbestos
- ASBA: Association of Self-Build Architects
- ASBU: Advanced Social Building Unit
- ASC: Above Suspended Ceiling
- ASC: Asset support contractor
- ASCE: American Society of Civil Engineers
- ASD: Allowable Strength Design
- ASD: Aspirated Detector
- ASFP: Association for Specialist Fire Protection
- ASHP: Air Source Heat Pump
- ASHRAE: American Society of Heating, Refrigerating and Air Conditioning Engineers
- ASI: Architect and Surveying Institute
- ASL: advanced stop line
- ASLIC: Asbestos (Licensing) Regulations
- ASME: American Society of Mechanical Engineers
- ASPH: Asphalt
- ASSEM: Assemble
- ASSOC: Association; Associate
- ASSY: Assembly
- AST: Assured Shorthold Tenancy.
- ASTM: American Society for Testing and Materials
- AStSWF: area susceptible to surface water flooding
- ASZ: archaeological sub-zone
- AT: Acoustical Tile; Asphalt Tile
- ATC: Acoustical Tile Ceiling
- ATC: Assessment of Technical Competence
- ATC: Automatic Temperature Control
- ATC: automatic traffic count
- ATD: Above Tunnel Datum
- ATH: Aluminium Trihydrate
- ATM: Automatic Teller Machine; Atmospheric
- ATO: accumulated temperature above 0°C
- ATS: Aerobic Treatment System
- ATS: Automatic Transfer Switch
- ATTEN: Attenuation
- AURN: Automatic Urban and Rural Network
- AUTH: Authorized
- AUTO: Automatic
- AV: Air Vent
- AV: Audio Visual (equipment)
- AVCL: Air and Vapour Control Layer
- AVG: Average
- AVH: AV Hub
- AW: Acid Waste
- AWC: available water capacity
- AWG: American Wire Gauge
- AWM: Automatic Washing Machine
- AWS: American Welding Society
- AWS: Automatic warning system
- AWWA: American Water Works Association
- AX: Axis
- B & B: Balled and Burlapped, Bell and Bell
- B & F: Bell and Flange
- B & S: Bell and Spigot, Brown & Sharp
- B TO B: Back to Back
- B/: Bottom (of)
- B: Boiler / Bathroom / Bidet
- B: Boiler, Bathroom, Bidet
- B2B: Business to Business
- B2C: Business to Consumer
- B2G: Business to Government
- BA: Bulb Angle
- BaBCWT: Birmingham and Black Country Wildlife Trust
- BACNET: Building Automation and Control NETwork
- BACS: Building Automation and Control System
- BAF: Baffle
- BAF: Biological Aerated Filters
- BAFO: Best And Final Offer
- BAILII: British and Irish Legal Information Institute
- BAL: Balance, Ballast
- BAP: biodiversity action plan
- BAS: Building Automation System
- BASIR: Built Asset Security Information Requirements
- BASMP: Built Asset Security Management Plan
- BASS: Built Asset Security Strategy
- BATNEEC: Best Available Techniques Not Entailing Excessive Cost
- BB: Buffalo Box, Ball Bearing,, Bulletin Board
- BB: Building Bulletin
- BBA: British Board of Agrément
- BBD: Bulletin Board
- BBL: Barrel
- BBP: Better Buildings Partnership
- BBSBD: British Bryological Society Bryophyte Database
- BC: Base Coat (paint)
- BC: Before Christ
- BC: Broom Closet
- BC: Building Control (by Statute Law & Regulation): See BCB
- BCA: British Cement Association.
- BCA: Building Control Authority
- BCAM: Bridges Condition Asset Management
- BCB: Building Control Body. (an Approved inspector or the Local Authority Building Control)
- BCC: British Ceramic Confederation
- BCECA: British Chemical Engineering Contractors Association
- BCF: BIM Collaboration Format
- BCIS: Building Cost Information Service
- BCMC: British Cable Makers Confederation
- BCMI: Bridge Condition Marking Index
- BCO: British Council of Offices
- BCO: Building Control Officer
- BCR: benefit-cost ratio
- BCW: Boosted Cold Water
- BCWS: Boosted Cold Water Services
- BD: Board, Blow Down (pipe)
- BDL: Bundle
- BDRM: Bedroom
- BDY: Boundary
- BECI: Built Environment Construction Industry
- BEL: Below
- BEM: Building Energy Management.
- BEM: Building Energy Model.
- BEMS: Building Energy Management Systems
- BEP: BIM Execution Plan
- BER: Building Emission Rate
- BeST: Benefits of SUDS Tool
- BET: Between
- BETW: Between
- BEV: Bevel
- BF: Basement Floor
- BF: Board Foot, Back Face, Bottom Face, Both Faces, Boiler Feed
- BFI: Base Flow Index
- BFIHOST: Base Flow Index derived using the HOST soil classification
- BFM: Buiness Focussed Maintenance
- BFRC: British Fenestration Rating Council
- BG: Bag (e.g., of cement)
- BG: British Gypsum
- BGL: below ground level
- BGS: British Geological Survey
- BH: Beam Height
- BH: Bore Hole.
- BHD: Bulkhead
- BHP: Brake Horsepower
- BHSS: British Health and Safety Society
- BHW: Boosted Hot Water
- BHWS: Boosted Hot Water Services
- BIAT: British Institute of Architectural Technologists
- BIFM: British Institute of Facilities Management
- BIG: Back Inlet Gully
- BILD: Building Insurance Latent Defects
- BIM: Building Information Modelling
- BINDT: British Institute of Non-Destructive Testing
- BIPV: Building Integrated Photovoltaic Ventilation
- BIS: Department for Business Innovation and Skills
- BIT: Bituminous
- BIU: Beam In Use
- BJF: Bituminous Joint Filler
- BKR: Breaker
- BL: Base Line, Building Line, Block
- BLDG: Building
- BLK: Block
- BLK: Blockwork
- BLKG: Blocking
- BLO: Blower
- BLR: Boiler
- BLR: Building Law Reports
- BLT: Borrowed Lite, Bullet Tips (Hinges)
- BLT-IN: Built-In
- BM: Beam, Bench Mark
- BM: Bending Moment.
- BMGV: Biological Monitoring Guidance Values (See COSHH)
- BMP: Best Management Practice
- BMS: Building Management Services/ System
- BMT: Butyl Mastic Tape Sealant
- BMTA: British Measurement and Testing Association
- BMU: Building Maintenance Units
- BMV: best and most versatile (agricultural land)
- BMWP: Biological Monitoring Working Party
- BN: Bullnose
- BNDG: Bending (re-bars)
- BNS: biological notification site
- BNT: Bent
- BO: Blow Off
- BoCC: birds of conservation concern
- BOD: Basis of Design.
- BOD: Biochemical Oxygen Demand
- BOD: Bottom of Duct
- BOD: Burden of Disease
- BOH: Back of House
- BOM: Bill of Materials
- BOOT: Build Own Operate Transfer
- BOP: Balance of plant
- BOP: Bottom of Pipe
- BOQ: Bill of Quantities
- BOS: Bottom of Steel / Slab
- BOT: Bottom
- BOT: Build Operate Transfer
- BOTDA: Brillouin Optical Time Domain Analysis
- BOTDR: Brillouin Optical Time Domain Reflectometer
- BP: Base Plate, Blueprint, Bypass
- BPA: British Pipeline Agency
- BPE: Building Performance Evaluation
- BPEO: Best practicable environmental option
- BPF: British Property Federation
- BPG: Best Practice Guidance.
- BPL: Bearing Plate
- BPM: Best practicable means
- BPN: Building Preservation Notice
- BPRA: Business Premises Renovation Allowance
- BQ: Bills of Quantities (sometimes BoQ or Bills)
- BR: Bedroom, Brick, Brass, Boiler Room Branch
- BR: Building Report
- BRAC: Building Regulations Advisory Committee
- BRDG: Bridge, Bridging
- BRE: Building Research Establishment
- BREDEM: BRE Domestic Energy Model
- BREEAM: Building Research Establishment Environmental Assessment Method
- BRG: Bearing
- BRIC: Brazil, Russia, India and China
- BriM: Bridge Information Model
- BRK: Brick
- BRKR: Breaker
- BRKT: Bracket
- BRS: Butyl Rubber Sealant, Brass
- BRT: Bus Rapid Transit
- BRUKL: Building Regulation UK Part L report
- BRW: Brick Retaining Wall
- BRZ: Bronze
- BRZG: Brazing
- BS EN: British Standard European Norm
- BS: Base Speaker
- BS: Both Sides, Backset, Bluestone
- BS: British Standard
- BSF: Building Schools for the Future
- BSI: British Standards Institute
- BSIM: Building Services Information Model
- BSL: Basic Safety Limit
- BSMT: Basement
- BSRIA: Building Services Research and Information Association
- BSTSA: British Surface Treatment Suppliers Association
- BT: Bathtub, Bolt
- BT: British Telecommunications plc
- BTM: Bathroom (drawing)
- BTO: British Trust for Ornithology
- BTR: Better
- BTU: British Thermal Units
- BTUH: British Thermal Units per Hour
- BUG: Building User's Guide
- BUR: Built-up Roof
- BUS: Building Use Study
- BUZ: Buzzer
- BV: Best Value
- BV: Butterfly Valve
- BVL: Bevelled
- BW: Block Wall / Brick Wall
- BW: Both Ways
- BWF: Barbed Wire Fence.
- BWF: British Woodworking Federation
- BWIC: Builder's Work in Connection (building services)
- BWICS: Builder's Work In Connection with Services
- BWL: Brickwork
- BWV: Back Water Valve
- BxP: BIM Execution Plan
- BYND: Beyond
- BYOH: Build Your Own Home
- BYP: By Pass
- C TO C: Center to Center
- C to C: Centre to Centre
- C&D: Construction and Demolition
- C&I: commercial and industrial
- c.: circa
- C.I.: Cast Iron
- C.O.: Cased Opening
- C/C: Center to Center
- C/C: Centre to Centre
- c/o: Care Of
- C: Cill Height
- C: Courses, Curb, Channel, Degrees Celsius, Clock Outlet, Calcimine
- C: of E Church of England
- CA: Certifying authority
- CA: Compressed Air
- CA: Confidentiality Agreement
- CA: Consultancy Agreement
- CA: Contract Administrator
- CAA: Clean Air Act
- CAA: Conservation Area Audit
- CAAV: The Central Association of Agricultural Valuers
- CAB: Cabinet
- CABE: Chartered Association of Building Engineers
- CABE: Commission for Architecture and the Built Environment (See Design Council)
- CAC: Conservation Area Consent
- Caco: calcium carbonate
- CAD: Cadmium, Computer-Aided Drafting
- CAD: Computer Aided Design
- CADD: Computer Aided Design and Draughting
- CAE: Computer Aided Engineering
- CAF: Cost Analysis Framework
- CAFM: Computer Aided Facility Management
- CAGR: Compound Annual Growth Rate
- CAI: Cold Air Intake
- CAI: Contract Administrator's Instructions
- CAIS: Caisson
- CAM: Computer Aided Manufacturing
- CAN: Contract Award Notice
- CAP: Capacity
- CAPEX: Capital Expenditure
- CAPS: Computer aided planning system
- CAR: Carpet
- CAR: Controlled Activity Regulations
- CARP: Carpenter
- CARRS: Civil Asset Register and electronic Reporting System.
- CARS: Conservation Area Regeneration Scheme
- CAS: Common Assessment Standard
- CaSL: Cancelations and Significant Lateness Measure
- Caso: calcium sulphate
- Cast Brass, Coal Bin
- CAT: Cable Avoidance Tool
- CAT: Catalog
- Cat: Category (i.e. Cat 6 Cable)
- CATS: Credit Award Transfer System
- CAV: Cavity
- CAV: Constant Air Volume.
- CAWR: Control of Asbestos at Work Regulations
- CAWS: Common Arrangement of Work Sections
- CAZ: Central Activities Zone
- CB: Catch Basin, Concrete Block,
- CBA: Cost-benefit analysis
- CBCA: Chilled Beams and Ceilings Association
- CBDM: Climate Based Daylight modelling
- CBF: Close Boarded Fence
- CBGM: cement bound granular mixture
- CBI: Confederation of British Industry
- CBL: Concrete Block
- CBO: Community Based Organisation
- CBP: Construction best practice
- CBPP: concrete block permeable paving
- CBR: California bearing ratio
- CBW: Concrete Block Wall
- CBX: Cast Box Strike
- CC: Centre to Centre
- CC: Clear Coat (paint)
- CC: climate change
- CC: Compliance Criteria
- CC: Construction Confederation
- CC: Contractor Client
- CC: Cubic Centimeter
- CCC: Committee on Climate Change
- CCC: Confederation of Construction Clients
- CCC: Current Construction Costs
- CCE: Computer controlled equipment
- CCF: Construction Clients Forum
- CCHP: Combined Cooling, Heating & Power
- CCI: Community Conservation Index
- CCNSG: Client Contractor National Safety Group
- CCOU: Construction Central Operations Unit
- CCP: Contractor's Change Proposals
- CCRA: climate change risk assessment
- CCS: Carbon Capture and Storage
- CCS: Considerate Constructors Scheme
- CCT: Circuit
- CCT: Compulsory Competitive Tendering
- CCT: Construction Collaboration Technology
- CCT: Correlated Colour Temperature
- CCTV: Closed Circuit Television
- CCTV: Closed Circuit TV
- CCU: Cooker Control Unit
- CCUS: Carbon Capture Use and Storage
- CCW: Counter Clockwise
- CD/C&D: Construction and Demolition
- CD: Carbon Monoxide Detector
- CD: Cold Drawn, Cadmium
- CD: Completion Date
- CD: Construction Document
- CD: Consultation Document
- CD: Contract Date
- CDA: Client Design Advisor
- CDA: Confidentiality Disclosure Agreement
- CDA: critical drainage area
- CDC: Cherwell District Council
- CDD: Cooling Degree Days
- CDE: Common Data Environment
- CDEW: construction demolition and excavation waste
- CDF: Common Data Format
- CDM: Clean Development Mechanism
- CDM: Construction (Design and Management) Regulations
- CDMA: Collision Detection Multiple Access
- CDMC: Construction Design Management Coordinator
- CDP: Contractor's Design Portion
- CDPA: Copyright, Design and Patents Act 1988
- CDR: Carbon Dioxide Removal
- CDS: Cold Drawn Steel
- CE: Communauté Européenne, sometimes taken to stand for Conformité Européenne
- CE: Conditions of Engagement
- CE: Constructing Excellence
- CEA: cost-effectiveness analysis
- CECA: Civil Engineering Contractors Association
- CED: Community Economic Development
- CEEC: Central and Eastern European countries
- CEEQUAL: The Civil Engineering Environmental Quality Assessment & Award Scheme
- CEFA: Civil Examination Framework Agreement
- CEL: Cellar
- CEM AB: Cement Asbestos Board
- Cem P: Cement Water Paint
- CEM: Cement
- CEMP: Construction Environmental Management Plan
- CEN: Comité Européen de Normalisation
- CEng: Chartered Engineer
- CER: Ceramic
- CERT: Carbon Emissions Reduction Target
- CESMM: Civil Engineering Standard Method of Measurement
- CESMM3: Civil Engineering Standard Method of Measurement, Third Edition
- CESMM4: Civil Engineering Standard Method of Measurement, Fourth Edition
- CESP: Community Energy Saving Programme.
- CESWI: Civil Engineering Specification for the Water Industry
- CET: controlled emission toilet
- CET: Controlled Emission Toilet
- CF: Cubic Feet
- CFA: community forum area
- CFA: Continuous Fight Augured
- CFC: Chlorofluorocarbon
- CFL: Compact Fluorescent Lamp
- CFL: Counter flashing
- CFL: Counterflashing
- CFM: Cubic Feet per Minute
- CFMP: catchment flood management plan
- CFMP: Catchment Flood Management Plan
- CFRP: Carbon fibre reinforced plastic
- CFS: Cubic Feet per Second
- CfSH: Code for Sustainable Homes
- CFT: Cubic Foot
- CFW: Continuous Fillet Weld
- CG: Corner Guard
- CGA: coarse-graded aggregate
- CGI: Computer Generated Imagery
- CGI: Corrugated Galvanized Iron
- CGN: China General Nuclear Corporation
- CGT: Capital Gains Tax
- CH: Ceiling Height
- CH: Coat Hook
- CH: Cooker Hood
- CHAM: Chamfer
- CHAN: Channel
- CHANs: Chemical Hazard Alert Notices
- CHAS: Contractors Health and Safety Assessment Scheme
- CHB: Chalk Board
- CHBD: Chalkboard
- ChDC: Chiltern District Council
- CHNL: Channel
- CHP: Combined Heat and Power
- CHPQA: Combined Heat & Power Quality Assessment
- CHR: Chilled Water Return
- CHS: Chilled Water Supply
- CHS: Circular Hollow Section
- CHSW: Construction (Health, Safety and Welfare) Regulations 1996
- CHW: Chilled Water
- CI/SfB: Construction Index / Samarbetskommitten for Byggnadsfragor
- CI: Cast Iron
- CI: Cumulative Illuminance
- CIAT: Chartered Institute of Architectural Technologists
- CIBSE: Chartered Institution of Building Services Engineers
- CIC: Community Interest Company
- CIC: Construction Industry Council
- CICAIR: Construction Industry Council Approved Inspectors Register
- CICES: Chartered Institute of Civil Engineering Surveyors
- CIE: Commission Internationale de l'Éclairage
- CIEEM: Chartered Institute of Ecology and Environmental Management
- CIF: Corrugated Iron Fence
- CIGA: Cavity Insulation Guarantee Agency
- CIH: Construction Innovation Hub
- CIL: Community Infrastructure Levy
- CILL: Construction Industry Law Letter
- CIMAR: Construction Industry Model Arbitration Rules
- CIN BL: Cinder Block
- CIO: Charitable Incorporated Organisation
- CIOB: Chartered Institute of Building
- CIP: Cast In Place
- CIP: Cast Iron Pipe, Cast-in-Place
- CIR: Circle, Circular, Circuit
- CIRC: Circumference
- CIRIA: Construction Industry Research and Information Association
- CIS: Construction Industry Scheme
- CISAC: Construction Industrial Strategy Advisory Council
- CISP: Cast Iron Soil/sewer Pipe
- CITB: The Construction Industry Training Board
- CITG: Clear Insulating Tempered Glass
- CJ: Construction Joint
- CJ: Control Joint
- CJF: Cork Joint Filler
- CK: Caulking
- CKT: Circuit
- CKTG: Construction Knowledge Task Group
- CL: Ceiling Level
- CL: Centerline, Clearance, Closing, Closure, Class, Closet
- CL: Centre Line
- CL: Cover Level
- CL:AIRE: Contaminated Land: Applications in Real Environments
- CLA: Country Land and Business Association
- CLASP: Consortium of Local Authorities Special Programme
- CLAW: Control of Lead at Work Regulations
- CLC: Construction Leadership Council.
- CLEA: Contaminated Land Exposure Assessment
- CLEUD: Certificate of Lawfulness of Existing Use or Development
- CLF: Chain Link Fence
- CLG: Ceiling
- CLG: Department for Communities and Local Government (now the Ministry of Housing, Communities and Local Government (MHCLG)
- CLGHP: Closed Loop Geothermal Heat Pump
- CLH: Clothes Line Hook
- CLI: Employers' Liability Compulsory Insurance Act 1969
- CLKG: Caulking
- CLL: Contract Limit Line
- CLO: Closet
- CLOCS: Construction Logistics and Community Safety
- CLoHAM: Central London Highway Assignment Model
- CLOPUD: Certificate of Lawfulness of Proposed Use or Development
- CLP: Clamp
- CLP: Classification Packaging and Labelling
- CLP: Community Led Planning
- CLP: Cost led procurement
- CLR OPG: Clear Opening
- CLR: Clear
- CLR: Clearance
- CLR: Contaminated Land Report
- CLS: Canadian Lumber Standard
- CLS: Closure
- CLT: Cross Laminated Timber
- CLTE: Coefficient of Linear Thermal Expansion
- CM/A: Construction Management Appointment
- CM/TC: Construction Management Trade Contract
- CM: Case manager
- CM: Circular Mil (1/1000 inch), Center Matched
- CM: Coating Metallic
- CM: Construction Manager
- CM: Corrugated Metal
- CM: Cracked Masonry
- CME: Chloromethyl ether
- CML: Council of Mortgage Lenders
- CMP: Construction Management Plan
- CMP: Corrugated Metal Pipe
- CMS: Common Minimum Standards
- CMS: Construction Method Statement
- CMT: Ceramic Mosaic Tile
- CMT: Construction Management Technology
- CMU: Cement Masonry Unit
- CMU: Concrete Masonry Unit
- CMUP: Concrete Masonry Unit Painted
- CN: Contest Notice
- CN: Contract Notice
- CNC: Computer Numerical Control
- CND: Condition, Conduit
- CNDS: Condensate
- CNS: Chrome-Nickel Steel
- CNTR: Center, Counter
- CNVR: Conveyor
- CO & DP: Cleanout & Deck Plate
- CO: Carbon monoxide
- CO: Care Of
- CO: Change Order
- CO: Company, Cleanout, Cased Opening, Cut Out
- CO2: carbon dioxide
- COAX: Coaxial
- COB: Clear over Base (paint)
- COB: Close of Business
- COBie: Construction Operations Building Information Exchange
- COC: Certificate of Completion
- COC: Certificate of Compliance
- COC: Certificate of Conformance/Conformity
- CoC: Chain of Custody
- COC: Code of Conduct
- CoCC: Committee on Climate Change
- CoCP: Code of construction practice
- COD: chemical oxygen demand
- COD: Cleanout Door
- CoE: Communities of Experience
- COEF: Coefficient
- COI: Certificate of Immunity (listed buildings)
- COIN: Corporate Operational Information
- COINS: Constructive Objects and the INtegration of processes and Systems
- COL: Certificate of Lawfulness (listed buildings)
- COL: Column
- COM: Common
- COM: Customer's Own Material
- COMAH: Control of major accident hazards
- COMB: Combination, Combustion
- COML: Commercial
- COMM ED: Commonwealth Edison
- COMP: Change Order Management Procedure
- COMP: Composition, Compressed
- COMPO: Composition
- COMPR: Compressible
- COMPT: Compartment
- CON: Construction
- CONC: Concrete
- CONCP: Concrete Painted
- COND: Condenser, Conduit
- Cone Tip (hinges)
- CONIAC: Construction Industry Advisory Committee (part of HSE)
- ConLR: Construction Law Reports
- CONN: Connection
- CONST: Construction
- CONSTR: Construction
- CONT: Continuous
- CONT: Continuous, Continue, Control
- CONTR: Contractor
- CONV: Convector, Convenience
- Co-Op: Co-Operative
- COP: Car Operation Panel
- COP: Close of Play
- CoP: Coefficient of Performance
- CoP: Communities of Practice
- COP: Copper
- COPA: Control of Pollution Act
- COR: Change Order Request
- COR: Corner, Corridor
- CORGI: Council for Registered Gas Installers
- CORR: Corridor, Corrugate
- COSHH: Control of Substances Hazardous to Health
- COT: Commercial Off The Shelf
- COT: Computer Operator Terminal
- COT: Conditions of Tender
- COT: Customer-Owned Tooling
- COV: Cover
- CoW: Clerk of Works
- CP: Cathodic Protection, Clothes Pole, Cesspool
- CP: Code of Practice
- CP: Construction Permit
- CP: Contractors Proposals
- CP: Critical Path
- CPA: Construction Products Associaton
- CPA: Critical Path Analysis
- CPC: Chemical protective clothing
- CPD: Construction Products Directive
- CPD: Continued Professional Development
- CPD: Cupboard
- CPDA: Crime Prevention Design Advisor
- CPE: Chlorinated Polyethylene
- CPE: Chlorinated Polyethylene (water tanks)
- CPET: Central Point of Expertise on Timber
- CPF: Concrete Panel Fence
- CPI: Construction Product Information
- CPI: Co-ordinated Project Information
- CPIC: Construction Project Information Committee
- CPIx: Construction Project Information Exchange
- CPL: Cement Plaster
- CPL: Classification, Packaging and Labelling of Dangerous Substances Regulations 1984
- CPL: Continuous Pressure Laminate
- CPM: Construction Project Manager
- CPM: Critical Path Method
- CPN: Critical Path Network
- CPO: Compulsory Purchase Order
- CPP: Cement Plaster Painted
- CPP: Construction Phase Plan
- CPR: Civil Procedure Rules
- CPR: Construction Products Regulation
- CPR: Copper
- CPRE: Campaign to Protect Rural England
- CPS: Competent Persons Scheme (Building Control)
- CPS: Concrete Paving Slabs
- CPT: Carpet
- CPTED: Crime Prevention Through Environmental Design
- CPU: Central Processing Unit
- CPVC: Chlorinated Polyvinyl Chloride
- CPZ: Controlled Parking Zone
- CQA: Construction Quality Assurance.
- CR: Chromium (plated), Curtain Rod
- CR: Clash Rendition
- CRAC: Computer Room Air Conditioning
- CRB: Community Right to Build
- CRBO: Community Right to Build Order
- CRDS: Certified Remedial Damp Surveyor
- CRE: Corporate Real Estate
- CRF: Change Request Form
- CRI: Colour Rendering Index
- CRISP: Construction Research and Innovation Strategy Panel (now the National Platform for the Built Environment)
- CRM: Customer Relationship Management
- CRMP: Corporate Relationship Management Plan
- CRO: Construction Related Occupation
- CRoW: Countryside and Rights of Way (Act, 2000)
- CRPT: Carpet
- CRS: Cold Rolled Steel
- CRS: Course, Cold Rolled Steel
- CRT: Canal & River Trust
- CRT: Cathode Ray Tube
- CRtB: Community Right to Build
- CRW: Concrete Retaining Wall
- CS: Cast Steel
- CS: Cloud Survey (drawing)
- CS: Construction Safety
- CS: Core Strategy
- CS: Countersink, Cast Steel, Cast Stone, Commercial Standard
- CS: Cross Section
- cSAC: candidate Special Area of Conservation
- CSCS: Construction Skills Certificate Scheme
- CSCW: Computer-supported Cooperative Work
- CSF: Critical Success Factors
- CSG: Casing
- CSH: Code for Sustainable Homes
- CSIC: Cambridge Smart Infrastructure and Construction
- CSK: Countersink
- CSM: conceptual site model
- CSMT: Casement
- CSN: Caisson
- CSO: Combined Sewer Overflow
- CSP: Canadian Softwood Plywood
- CSP: Concentrated Solar Power
- CSR: Comprehensive Spending Review
- CSR: Corporate Social Responsibility
- CSRT: Certified Surveyor in Remedial Treatment
- CSS: Countersunk Screw
- CSSW: Certified Surveyor in Structural Waterproofing
- CSTG: Casting
- CSW: Ceramic Sanitary Ware
- CSWIP: Certification Scheme Weldment Inspection Personnel
- CT: Ceramic Tile
- CT: Ceramic Tile, Cork Tile,
- CT: Consultant Team
- CTC: Centre to Centre
- CTD: Coated
- CTDS: Connection Tunnel Drive Site
- CTE: Connect to Existing
- CTF: Construction Task Force
- CTMP: Construction Traffic Management Plan
- CTPV: Coal Tar Pitch Volatiles
- CTR: Center, Counter
- CTR: Centre
- CTSA: Counter Terrorism Security Adviser
- CTSC: Communications Systems Terminal Cabinet
- CTSK: Countersunk
- CTWT: Counterweight
- CU. FT.: Cubic Feet
- CU. YD.: Cubic Yard
- CU: Column Under
- CU: Condenser / Condensing Unit
- CU: Consumer Unit
- CU: Copper, Cubic, Coefficient of Utilization
- CUB: Central Utility Block
- CUR: Current
- CV: Check Valve
- CV: Commissioning Valve
- CV: contingent valuation
- CVA: Clear Ventilation Area
- CVA: Company Voluntary Arrangement
- CVAS: Controlled Ventilation Area System
- CVCHA: Castle Vale Community Housing Association
- CVI / CoI: Confirmation of Verbal Instruction
- CVI: Confirmation of Verbal Instruction
- CVL: Creditors Voluntary Liquidation
- CVR: Cost Value Reconciliation
- CVTRA: Castle Vale Tenants & Residents Alliance
- CW: Clockwise, Cold Water
- CW: Cold Water
- CWE: Collaborative Working Environment
- CWI: catchment wetness index
- CWP: Circulating Water Pump
- CWR: Cold Water Riser
- CWR: Condensate Waste Return
- CWS: Cold Water Services
- CWS: Condensate Waste Supply
- CY: Cubic Yard, Cycle
- CYL L: Cylinder Lock
- CYL: Cylinder
- D & M: Dressed & Matched
- D&O: Directors and Officers (insurance)
- D: Deep, Depth, Drop, Drain
- D: Diameter
- DA: Daylight Autonomy
- DA: Double Acting
- DA: drainage assessment
- DAB: Dispute Adjudication Board
- DAC: Design Allocation Checklist
- DACCS: Direct Air Carbon Capture and Storage
- DALI: Digital Addressable Lighting Interface
- DAMP: Drainage Asset Management Plan
- DAR: Dressed All Round (timber finish)
- DAS: deliverable approach statement
- DAS: Design and access statement
- dB(A): Decibels on the A weighted scale
- dB: Decibel
- DB: Decibel
- DB: Design and Build
- DB: Door Bell
- DB: Dry bulb
- DBA: Design Basis Accident
- DBFO: Design Build Finance Operate
- DBL: Double
- DBM: dense bitumen macadam
- DBO: Design Build Operate
- DBP: Design Best Practice
- DBR: Design Brief Report
- DBT: Dry Bulb Temperature
- DBT: Drybulb Temperature
- DC: Deep Flange [British Gypsum]
- DC: Direct Chill
- DC: Direct Current
- DC: Drain Cock
- DCA: demographic character area
- DCD: Duty of Care Deed
- DCF: Discounted Cash Flow
- DCLG: Department for Communities and Local Government (Now the Ministry of Housing, Communities and Local Government (MHCLG))
- DCMS: Department for Culture Media and Sport
- DCO: Development Consent Order
- DCOA: Deregulation and Contracting Out Act 1994
- DCP: Defects Correction Period
- DCV: Demand Controlled Ventilation
- DCV: Detector Check Valve
- DCV: Double Check Valve
- DD: Draft for Development
- DD: Driveway Drain, Deck Drain
- DDA: Disability Discrimination Act ( now repealed and replaced by the Equality Act)
- DDC: Direct Digital Control
- DDE: depth-duration-frequency
- DDI: Direct Dialling In
- DDMS: Design Deliverables Monitoring Schedule
- DDS: Due Diligence System
- DE: District Energy
- DEC: Display Energy Certificate
- DECC: Department of Energy and Climate Change
- DEEP: Design Excellence Evaluation Process (for defence projects).
- DEFRA: Department for Environment, Food and Rural Affairs
- DEG: Degree
- DEGC: Degree Celcius
- DEGF: Degree Farenheit
- DEHO: District Environmental Health Officer
- DEHS: Director of Environmental Health Services
- DEL: Departmental Expenditure Limit
- DEM: Demolish
- DEM: Domestic Energy Model
- DEMO: Demolition
- DEP: Dpressed
- DEPT: Department
- DER: Design (carbon dioxide) Emission Rate
- DER: Dwelling Emission Rate (see emission rates)
- DET: Detail
- DET: Detail (drawing)
- DF: Daylight Factor
- DF: Drinking Fountain
- DfD: Design for Deconstruction
- DFE: Decorative Fuel Effect fire
- DFEE: Design Fabric Energy Efficiency
- DFG: Disabled Facilities Grants
- DFM: Dust, Fume and Mist
- DfMA: Design for Manufacture and Assembly
- DFP: Douglas Fir Plywood
- DfT: Department for Transport
- DH: Double Hung
- DH: Duty Holder
- DHS: Design for Health & Safety
- DHSC: Department of Health and Social Care
- DHW: Domestic Hot Water
- DHWS: Domestic Hot Water Services
- DIA: Diameter
- DIAG: Diagonal
- DIAM: Diameter
- DIFF: Diffuser
- DIM: Dimension
- DIM: Document Issue Matrix
- DIO: Defence Infrastructure Organisation
- DIP: Document Image Processing
- DIR: Design Input Requirements
- DIS: Draft International Standard
- DISL: Disposal
- DISP: Dispenser
- DIV: Division
- DJ: Denotes Joist
- DL: Dead Load
- DL: Drawing List
- DM: Demolition (plan)
- DM: Design Manager
- DMAIC: Define Measure Analyse Improve Control
- DMC: Domestic Material Consumption
- DMH: Drop Manhole
- DMP: Design Management Plan
- DMP: Drainage Management Plan
- DMPO: Development Management Procedure Order (2010)
- DMRB: Design Manual for Roads and Bridges
- DMS: Document Management System
- DMT: Demountable
- DN: Down
- DN: DOWN
- DNO: Distribution Network Operator.
- DNO: District Network Operator
- DO: Dissolved Oxygen.
- DO: Ditto, or Door Opening
- DO: Door Opening
- DOCO: Designing Out Crime Officer
- DoP: Declaration of Performance
- DoS: degree of saturation
- DOV: Drain Off Valve
- DP: Damp Proofing
- DP: Dampproofing, Dew Point, Distribution Panel
- DP: Depth
- DP: Dimmer Panel
- DP: Disabled person
- DP: Distribution Panel
- DP: Down Pipe
- DPC: Damp Proof Course
- DPD: Development Plan Document
- DPDT: Double Pole Double Throw
- DPDT: Double Pole Double Throw Switch
- DPLBAR: Index describing catchment size and drainage path configuration (km)
- DPM: Damp Proof Membrane
- DPP: Design & Procurement Programme
- DPR: Damper
- DPS: Dynamic Purchasing Systems
- DPSBAR: Index of catchment steepness (m/km)
- DPST: Double Pole Single Throw
- DPST: Double Pole Single Throw Switch
- DPT: Dew Point Temperature
- DQI: Design Quality Indicator
- DQR: Qualitative Design Review
- DQRA: Detailed Quantitative Risk Assessment
- DR: Demand- Response
- DR: Door
- DR: Door, Drain, Dining Room
- DR: Dryer
- DRAM: Director of Route Asset Management
- DRB: Dispute Resolution Board
- DRBD: Drainboard
- DRG: Drawing
- DRM: Design Responsibility Matrix
- DRM: Design Risk Management
- DRN: detailed river network
- DRR: Dispute Resolution Review
- DRS: Document Release Schedule
- DS: Design Services
- DS: District Surveyor
- DS: Downspout
- DS: Downspout, Disconnect Switch, Door Switch
- DSA: delivery and site allocation
- DSAC: Design Safety Analysis and Control
- DSC: Design Safety Case
- DSE: Display Screen Equipment (Form)
- DSER: Doorset Energy Rating
- DSL: Digital Subscriber Line.
- DSM: Approved Dynamic Simulation Models (see National Calculation Method)
- DSP: Dry Standpipe
- DSSO: Double Switched Socket Outlet
- DST: Decision Support Tool
- DT: Drain Tile
- DTA: Differential Thermal Analysis
- DTL: Detail
- DTM: Design Team Meeting
- DTM: digital terrain model
- DTM: Dynamic Thermal Modeling
- DTS: Deemed to Satisfy
- DTS: Dynamic Thermal Simulation
- DU: Discharge Unit
- DVR: Digital Video Recorder
- DVTL: Dovetail
- DW: Dishwasher
- DW: dry weight
- DW: Ductwork
- DW: Dumbwaiter, Distilled Water
- DWF: Design Web Format
- DWG: Drawing
- DWG: Drawing (AutoCAD file format)
- DWGS: Drawings
- DWL: Dowel
- DWP: Drywall, Painted
- DWR: Drawer
- DWS: drinking water standard
- DX: Direct Exchange
- DX: Direct Expansion
- DX: Direct Expansion, Duplex
- E TO E: End to End
- E&P: Electrical and Power
- E: East, Enamel, Exhaust
- EA: Each
- EA: Employer's Agent
- EA: Environment Agency
- EA: The Equality Act 2010
- EAC: Electronic Access Control
- EAE: Evidence Analysis and Evaluation
- EAHE / EAHX: Earth-Air Heat Exchanger
- EAI: Employer's Agents Instruction
- EANCB: Equivalent Annual Net Cost to Business
- EAP: Euston Area Plan
- EAS: Enterprise Allowance Scheme
- EASE: Estimation and Assessment of Substance Exposure
- EAT: Employment Appeals Tribunal
- EAZ: Education Action Zone
- EB: Expansion Bolt
- EB: External Beam
- EbD: enquiry by design
- EBT: Employee Benefit Trust
- EBW: Electron Beam Welding
- EC: Embodied Carbon
- EC: Eurocode
- EC: European Commission
- EC: Exposed Construction
- ECA: Enhanced Capital Allowance
- ECB: Electricity Control Box
- ECC: Eccentric
- ECC: Engineering and Construction Contract
- ECCS: Emergency Core Cooling System
- ECD: Enhanced Construction Detail
- ECI: Early Contractor Involvement
- ECI: Enquiry Confirmation Instruction
- EcIA: Ecological Impact Assessment
- ECL: Exposure Control Limit
- ECML: East Coast Main Line
- ECO: Energy Company Obligation
- ECO3: The third version of the Energy Company Obligation
- ECOIN: European Core Inventory
- ECP: Exposed Construction Painted
- ECS: Empty Coaching Stock
- ECSC: Engineering and Construction Short Contract
- ECTS: European Credit Transfer System
- EDC: Extra Deep Flange [British Gypsum]
- EDCL: Extra Deep CurveLiner [British Gypsum]
- EDI: Electronic Data Interchange
- EDMOs: Empty dwelling management orders
- EDMS: Electronic Document Management System
- EDR: Energy Demand Reduction
- EDR: Equivalent Direct Radiation
- EDTA: Ethylene Diaminetetraacetic Acid
- EE: Each End
- EE: Energy Efficiency
- EEA: European Economic Area, the member states of the EU and the European Free Trade Association countries; Iceland, Liechtenstein and Norway.
- EECS: Electrical Equipment Certification Service
- EEIG: European Economic Interest Groupings
- EEL: Emergency Exposure Limit
- EER: Emergency Evacuation and Rescue
- EER: Energy Efficiency Rating / Energy Efficiency Ratio
- EER: Energy Efficiency Ratio
- EER: Evacuation, Escape and Rescue
- EERA: Evacuation, Escape and Rescue Assessment
- EEU: Expected Energy Unserved.
- EF: Each Face
- EFT: Earliest Finish Time
- EFTS: Expanding Foam Tape Sealant
- EfW: energy from waste
- EG: Edge Grain
- EGL: External Ground Level
- EGP: Enhanced Ground Plane
- EGT: Equivalent Gross Tonnage
- EHO: Environmental Health officer
- EHP: environmental health practitioner
- EHSR: Essential Health and Safety Requirement
- EIA: Electronic Industries Association
- EIA: Environmental Impact Assessment
- EIFS: Exterior Insulation and Finish System
- EIFS: Exterior Insulation Finishing System
- EINECS: European Inventory of Existing Commercial Chemical Substances
- EIR: Employer's Information Requirements (BIM)
- EIS: Environmental Impact Statement
- EJ: Expansion Joint
- EJECT: Ejector
- EL: Electrical (plan)
- EL: Elevation
- EL: Elevation, Elevator
- EL: Employer's liability insurance
- EL: Existing Level
- ELB: Elbow
- ELCB: Earth Leakage circuit Breaker
- ELCI: Employers' Liability Compulsory Insurance
- ELEC: Electrical
- ELECT: Electrical
- ELEV: Elevation
- ELEV: Elevator, Elevation
- ELF: Extra Low Frequency
- ELINCS: European List of Notified Chemical Substances
- ELO: Enforcement Liaison officer
- ELP: Emergency Lighting Panel
- ELS: Entry Level Stewardship
- ELS: Ethical Labour Sourcing
- ELT: Emergency Liaison Team
- ELV: Extra-Low Voltage
- EM: Electricity Meter
- EM: Emergency
- EM: Explanatory Memorandum
- EMA: Employment Medical Adviser
- EMAS: Eco-Management and Audit Scheme
- EMC: electromagnetic compatibility
- EMC: Electromagnetic Compatibility (directive)
- EMC: event mean concentration
- EMER: Emergency
- EMF: electromagnetic field
- EMI: electromagnetic interference
- EML: Expanded Metal Lath
- EMP: Environmental Management Plan
- EMR: Elastomeric in Metal Runners
- EMR: Electromagnetic Radiation
- EMR: environmental minimum requirement
- EMR: Extended Metropolitan Regions
- EMRO: Early Morning Alcohol Restriction Orders
- EMS: Environmental Management System
- EMU: Electrical Multiple Unit
- EN: European Standard (N for Norm)
- ENAM: Enamel
- ENCL: Enclosure
- ENG: Engineer
- ENGR: Engineer
- ENJF: Expanded Neoprene Joint Filler
- EnMS: Energy Management System
- ENT: Entrance
- ENTR: Entrance
- EO: Ethylene Oxide
- EO: Executive officer
- EOI: Expression of Interest
- EOT: Extension of Time
- EP: Earthing Pit
- EP: Electrical Panelboard, Explosion Proof
- EPA: Environmental Protection Act
- EPBD: Energy Performance of Buildings Directive
- EPC: Energy Performance Certificate
- EPC: Energy Performance Contracting
- EPC: Engineer Procure Construct
- EPC: Engineering, Procurement & Construction
- EPCM: Engineering, Procurement and Construction Management
- EPD: Environmental Product Declaration
- EPDM: Ethylene Propylene Diene Monomer
- EPIC: Electronic Product Information Co-operation
- EPJF: Expanded Polyethelene Joint Filler
- EPO: Environmental Protection Officer
- EPO: European Patent Organisation
- EPOCH: European Programme On Climatology and Natural Hazards
- EPP: Environmentally Preferred Product
- EPP: Expanded Polypropylene
- EPS: Environmental Performance Statement
- EPS: Environmental Planning Statement
- EPS: European Protected Species
- EPS: Expanded Polystyrene
- EPS: External Power Supply
- EPSRC: Engineering and Physical Sciences Research Council
- EPUK: Environmental Protection UK
- EQ: Equal
- EqIA: equality impact assessment
- EQP: Equipment
- EQPT: Equipment
- EQS: environmental quality standard
- EQSD: Environmental Quality Standards Directive (2008/105/EC)
- EQUIP: Equipment
- ER: Employer's Requirements
- ER: Exposed Run
- ERC: External Reflected Component
- ERG: Efficiency and Reform Group
- ERIC: Eliminate Reduce Inform Control
- ERICC: European Portfolios Initiatives Co-ordination Committee
- ERP: Emergency Receptacle Panel
- ERV: Energy Recovery Ventilators
- ERV: Expansion Relief Valve
- ES: Environmental Statement
- ESC: Escalator
- ESCO: Energy Saving Company
- ESD: Emergency Shutdown Device
- ESEER: European Seasonal Energy Efficiency Ratio
- ESF: Environmental Street Furniture
- ESFR: Early Suppression Fast Response
- ESG: Environment Social Governance
- ESH: Electric Surface Heating
- ESOS: Energy Savings Opportunity Scheme
- ESP: Electrostatic Precipitator
- EST: Estimate
- ET: Expansion Tank
- ETA: European Technical Approval
- ETA: European Technical Assessment
- ETAG: Guideline for European Technical Approval
- ETAHE: Earth To Air Heat Exchanger
- ETFE: Ethylenetetrafluoroethylene
- ETICS: External Thermal Insulation Composite Systems
- ETPL: Energy Technology Product List
- ETS: emissions trading scheme
- ETS: Energy Transfer Station (see District Heating)
- ETS: Environmental Tobacco Smoke
- EU: ETS: European Union Emissions Trading Scheme
- EU: European Union
- EUI: Energy Use Intensity
- EUQ: Element Unit Quantities
- EUR: Element Unit Rates
- EUROTL: European Road Object Type Library
- EUTR: EU Timber Regulation
- EUTR: European Union Timber Regulation
- EVA: Ethylene Vinyl Acetate
- EVAP: Evaporator
- EVC: Emergency Voice Communication
- EW & C: Electric Wiring and Communication
- EW: Each Way
- EWB: Electric Water Boiler
- EWC: Electric Water Cooler
- EWH: Electric Water Heater
- EWI: External Wall Insulation
- EWL: Euston to Watford Line
- EWP: Engineered Wood Product
- EX: Existing (plan)
- EX: Exposed Construction, Exit
- EXC: Excavate
- EXCAV: Excavate
- EXCO: Executive Committee
- EXEC: Executive
- EXG: Existing
- EXH AIR: Exhaust Air
- EXH: Exhaust
- EXIST: Existing
- EXP: Expansion, Exposed
- EXPN: Expansion
- EXPP: Existing Patched and Painted
- EXS: Extra Strong
- EXT: Exterior
- EXT: Exterior, Extinguish
- EXTR: Extrude
- EZ: Enterprise Zone
- F TO F: Face to Face
- F&RA: Fire and Rescue Authority
- F: Degrees Fahrenheit, Fuse
- FA: Fire Alarm, Fresh Air
- FA: Floor Above
- FA: Forms of Appointment
- FAAP: Fitzrovia Area Action Plan
- FAB: Fabricate
- FABR: Fabricate
- FACP: Fire Alarm Control Panel
- FAD: Fresh Air Duct
- FAG: Fire Alarm Gong
- FAME: Fatty Acid Methyl Esters
- FAO: Finish All Over
- FAO: For attention of
- FAP: Fire Alarm Panel
- FAR: Floor Area Ratio
- FARL: Flood attenuation due to reservoirs and lakes
- FAST: Fastener, Fasten
- FAST: Function Analysis System Technique (value management)
- FB: Flat Bar, Face Brick, Floor Box
- FB: Footing Beam
- FB: From Below
- FBD: Fiberboard
- FBM: Foot Board Measure
- FBP: Fabric Panel
- FBRK: Fire Brick
- FBTA: From Below To Above
- FC(SP)R: Fire Certificate (Special Premises) Regulations 1976
- FC: False Ceiling
- FC: File Cabinet, Foot Candle, Fault Current
- FC: Fixing Channel
- FC: Flexible Connection
- FC: Foot Candle.
- FC: TUFLOW Flow constriction layer
- FCA: Flood Consequence Assessment
- FCCP: Fire Curtain Control Panel
- FCD: field capacity days
- FCEC: Federation of Civil Engineering Contractors (dissolved in November 1996 and superseded by the Civil Engineering Contractors Association (CECA))
- FCERM: flood and coastal erosion risk management
- FCL: Finished Ceiling Level
- FCRM: Flood & Coastal Risk Management
- FCU: Fan Coil Unit
- FD: Fire Door
- FD: Floor drain
- FD: Floor Drain
- FDAS: Fire Detection and Alarm Systems
- FDC: Fire Department Connection
- FDFAS: Fire Detection and Fire Alarm System
- FDIS: Final Draft International Standard
- FDN: Foundation
- FDTN: Foundation
- FE: Fire Extinguisher
- FEC: Fire Extinguisher Cabinet
- FEED: Front End Engineering and Design (contract)
- FEH: Flood Estimation Handbook
- FEM: Finite Element Method (simulation techniques)
- FER: Fundamental Expenditure Review
- FES: Fabric Energy Storage
- FETA: Federation of Environmental Trade Associations
- FF&E / FFE: Furniture Fittings & Equipment
- FF&E: Fixtures, Furnishings & Equipment
- FF: Far Face
- FF: Far Face, Finished Floor, Factory Finish
- FF: Floor Finishes (plan)
- FF: Fridge Freezer
- FFC: Flat Flexible Cables
- FFE: Finished Floor Elevation
- FFI: Fee for Intervention (Health and Safety Executive)
- FFL: Finished Floor Level
- FFL: Finished Floor Line
- FFOG: Food, Fats, Oils and Grease
- FFP: Filtering Facepieces
- FFP: Finished Floor Plan
- FFR: Firm Frequency Response
- FFU: Fan Filter Unit
- FG: Floor Gully
- FGL: Fiberglass
- FGL: Finished Ground Level
- FGR: Fiberglass reinforced
- FH: Fire Hydrant
- FH: Flat Head, Fire Hose
- FHC: Fire Hose Cabinet
- FHMS: Flat head machine screw
- FHR: Fire Hose Rack
- FHS: Fire Hose Station
- FHWS: Flat Head Wood Screw
- FHY: Fire Hydrant
- FIA: Fire Industry Association
- FICE: Fellow of the Institution of Civil Engineers
- FIDIC: Fédération Internationale des Ingénieurs-Conseils
- FIL: Fillet
- FIM: Facilities Information Model
- FIN: Finish, finished
- FIS: Finishes and Interiors Sector.
- FISP: Financial Systems and Payments
- FIStructE: Fellow of the Institution of Structural Engineers
- FIT: Feed-In Tariff
- FITG: Fitting
- FIX: Fixture
- FIXT: Fixture
- FL: Floor Level
- FL: Floor Light
- FL: Floor, Fire Line
- FLASH: Flashing
- FLEX: Flexible
- FLG: Flange, Flashing, Flooring
- FLG: Flooring
- FLP: Flameproof
- FLR: Floor
- FLS: Flygt Leakage Sensor
- FLS: Funding for Lending Scheme
- FLT: Fork Lift Truck
- FLUOR: Fluorescent
- FLX: Flexible
- FM: Facilities Management
- FM: Fire Main, Factory Mutual Company
- FMAS: Financial Management Accounting System
- FMB: Federation of Master Builders
- FMECA: Failure Mode, Effects and Criticality Analysis
- FMfSW: Flood Map for Surface Water
- FMU: Field Management Unit
- FND: Feminine Napkin Dispenser, Foundation
- FND: Foundation
- FO: Fibre Optic
- FO: Finished Opening
- FOB: Free On Board
- FOC: Face of Concrete
- FOC: Fibre Optic Cable
- FOD: Field Operations Directorate
- FOF: Face of Finish
- FOG: Fat Oil and Grease
- FOG: Flat over Garage
- FOPS: Falling Object Protective Structure
- FORS: Fleet Operator Recognition Scheme
- FOS: Face of Stud
- FOS: Face of Studs
- FoS: Factor of Safety
- FOU: For official Use
- FP(W)R: Fire Precautions (Workplace) Regulations 1997
- FP: Field Professional
- FP: Fireproof
- FP: Foamed Polyethylene
- FPA71: Fire Precautions Act 1971
- FPC: Factory Production Control
- FPC: Flat Printed Circuits
- FPEXT: Floodplain extent, the fraction of the catchment inundated by a 1 in 100
- FPL: Fireplace
- FPM: Feet per minute
- FPO: Fire Prevention officer
- FPRF: Fireproof
- FPS: Feet per Second
- FPS: Functional Performance Specification
- FR: Fire Rated
- FR: Fire-Resistant
- FR: Frame, Front, Fire Riser
- FRA: Fire Risk Assessor
- FRA: Flood Risk Assessment
- FRD: Fire Rated Ductwork
- FRe: Flood Resilience (technologies)
- FRG: Forged
- FRI: Full Repairing and Insuring (Lease)
- FRL: Fibre Reinforced Laminate
- FRM: Frame
- FRMP: Flood Risk Management Plan
- FRP: Fibre Reinforced Plastic
- FRP: Fibre Reinforced Polymer
- FRPF: Fireproof
- FRR: The Flood Risk Regulations 2009
- FRS: Fire and Rescue Service
- FRSD: Fire and Rescue Service Directorate
- FRT: Fire Retardant
- FS: Fire Strategy (drawing)
- FS: Fixing Strap
- FS: Full Size, Far Side, Federal Standards, Fused Switch, Floor Sink
- FS: Fused Spur
- FSC: Federal Standard Colour
- FSC: Forest Stewardship Council
- FSCW: Flush Solid Core Wood
- FSD: Fire and Smoke Damper
- FSD: Full Scale Deflection
- FSI: Floor Space Index
- FSMS: Field Survey Methods and Standards
- FSO- Fire Safety Officer
- FSO: Fire Safety Order
- FSO: Formal Second Opinion
- FSR: Filter Self-Rescuer (Mining)
- FSR: flood studies report
- FSSR: flood studies supplementary report
- FSSU: Field Scientific Support Unit Now Field Services Unit
- FSU: Field Services Unit
- FSU: Floating Storage Unit
- FSV: Free Steered Vehicle
- FT: Foot, Feet, Fully Tempered
- FTE: full-time equivalent
- FTG: Footing
- FTG: Footing, Fitting
- FTN: Fixed Telecommunications Network
- FUR: Furred
- FURN: Furnish, Furniture
- FURR: Furring
- FUT: Future
- FVC: Fire Valve Cabinet
- FWH: Flexible Working Hours
- FWMA: Flood and Water Management Act
- FWR: Functional Work Recording System
- FZM: Flood Zone Map (Environment Agency)
- G: Gas, Girder, Gutter, Gram
- G: Girth
- G: Gully
- GA: Gauge, Gage
- GA: General Arrangement
- GAB: GypLyner Acoustic Brace
- GACP: Generally Accepted Accounting Practice
- GAD: Gas Appliances Directive
- GAE: General Administrative Expenditure
- GAGE: Gauge
- GAI: Guild of Architectural Ironmongers
- GAL: Gallon
- GALV: Galvanized
- GB: Glass Block
- GB: Grab Bar, Glass Block, Gypsum Board
- GB: Gypsum Board
- GBR: general binding rules
- GC: General Contractor
- GC: Government Conditions of contract (GC Works, no longer being updated)
- GCB: Green Construction Board
- GCL: geocomposite clay liners
- GCMU: Glazed Concrete Masonry Unit
- GCN: great crested newt
- GCR: Great Central Railway
- GCS: Government Construction Strategy
- GD: Guard, Grade, Gutter Drain
- GDA: Green Deal Assessor
- GDA: Gross Development Area
- GDL: Geometric Description Language
- GDO: General Development Order
- GDP: Gross Domestic Product
- GDPO: General Development Procedure Order
- GDPO: Town and Country Planning (General Development Procedure) Order
- GDV: Gross Development Value
- GEA: Gross External Area
- GEML: Galvanised Expanded Metal Lath
- GEN: General, Generator
- GENL: General
- GF: Ground Face
- GFA: Gross Floor Area
- GFCI: Ground Fault Circuit Interrupted
- GFI: Ground Fault Interrupted
- GFP: General Fire Precautions
- GFP: Guaranteed Fixed Price
- GFRC: Glass Fiber Reinforced Concrete
- GGBS: Ground Granulated Blast furnace Slag
- GGF: Glass and Glazing Federation
- gglass: centre-of-glass g-value
- GGT: Gas Tracer Tests
- GHEU: Government Historic Estates Unit
- GHG: Greenhouse Gas
- GHG: greenhouse gas(es)
- GHP: Geothermal Heat Pump
- GI: galvanised iron
- GI: Galvanized Iron
- GI: Green Infrastructure
- GIA: Gross Internal Area
- GIE: Groupement d'Interet Economique
- GIF: Graphics Interchange Format
- GIFA: Gross Internal Floor Area
- GiGL: Greenspace Information for Greater London
- GIS: Geographical Information System
- GKT: Gasket
- GL BLK: Glass Block
- GL: Glass
- GL: Ground Level
- GL: GypLyner [British Gypsum]
- GLA: Gangmaster Licensing Authority
- GLA: Greater London Authority
- GLAAS: Greater London Archaeological Advisory Service
- GLB: Glass Block
- GLC: Gas Liquid Chromatography
- GLHER: Greater London Historic Environmental Record
- GLVA: Globe Valve
- GLW: Gross Laden Weight
- GLZ: Glaze
- GM: Guidance Memoranda
- GMAW: Gas Metal Arc Welding
- GML: Geography Markup Language (ISO19136)
- GMO: Genetically Modified Organism
- GMP: Guaranteed Maximum Price
- GMU: Glazed Masonry Unit
- GN: Guidance Note
- GND: Ground
- GNSS: Global Navigation Satellite System
- GNVQ: General National Vocational Qualification
- GOVT: Government
- GP: Galvanized Pipe
- GP3: Groundwater projection: principles and practice
- GPA: Agreement On Government Procurement
- GPA: Government Procurement Agreement
- GPDW: Gypsum Drywall
- GPH: Gallons Per Hour
- GPL: Gypsum Lath
- GPM: Gallons Per Minute
- GPM: Good Practice Measures.
- GPP: Gypsum Plaster Painted
- GPPL: Gypsum Plaster
- GPR: Green Plot Ratio
- GPR: Ground Penetration Radar: Ground Penetrating Radar
- GPS: Gallons Per Second
- GPS: Global Positioning System
- GQRA: Generic Quantitative Risk Assessment
- GR: Grade, Grille, Granite
- GR: Gyproc
- GRAN: Granular, Granite
- GRESB: Global Real Estate Sustainability Benchmark
- GRG: Glass-Reinforced Gyproc
- GRIP: 3 Governance for Railway Investment Projects (Stage 3) process
- GRND: Ground
- GRO: Green Roof Organisation
- GRP: Glass Fibre Reinforced Polymers
- GRP: Glass Reinforced Plastic
- GRP: Glass-Reinforced Polyester
- GRTG: Grating
- GSF: Gross Square Footage
- GSHP: Ground Source Heat Pump
- GSIUR: The Gas Safety (Installation and Use) Regulations 1998
- GSL: Government Soft Landings
- GSMR: Gas Safety Management Regulations
- GSPZ: groundwater source protection zone
- GSS: Galvanized Sheet Steel
- GSU: Glazed Structural Unit
- GT: Globe Thermometer
- GT: Grout
- GTA: Government Technical Adviser
- GTAW: Gas Tungsten Arc Welding
- GUC: Grand Union Canal
- GUID's: Global Unique ID’s
- GV: Galvanized
- GVA: Gate Valve
- GVA: gross value added
- G-value: solar heat Gain value of glazing
- GVD: General Vesting Declaration (see compulsory purchase order)
- GVL: Gravel
- GWB: Gypsum Wall Board
- GWDTE: groundwater dependent terrestrial ecosystem
- GWH: Gas Water Heater
- gwindow: whole window g-value
- GWL: Ground Water Level
- GWML: Great Western Main Line
- GWP: Global Warming Potential
- GWR: Great Western Railway
- GWR: GypWall Rapid (Channel)
- GYP BD: Gypsum Board
- GYP: Gypsum
- H&S: Health and Safety
- H/L: High Level
- H: High
- h: hydraulic head
- HA: Hectare
- Ha: Hectares
- HA: Highways Agency
- HAC: High Alumina Cement
- HACCP: Hazard Analysis Critical Control Point
- HAM: Hand Held Monitor
- HASAC: Health and Safety Advice Centre
- HASAWA: Health and Safety At Work Act 1974
- HASCOG: Health and Safety Co-Ordinating Group (IEHO)
- HAV: Hand-Arm Vibration
- HAVS: Hand-arm vibration syndrome
- HAWRAT: Highways Agency Water Risk Assessment Tool
- HAZAN: Hazard Analysis Numerical Methods
- HAZCOM: Hazards Communication Standard
- HAZOP: Hazard and Operability Study
- HB: Hose Bib
- HBCD: Hexabroncyclododecane
- HBCGA: hydraulically bound coarse graded aggregate
- HBD: Hardboard
- HBF: Home Builders Federation
- HBIA: Historic Building Impact Assessment
- HBN: Health Building Notes
- HC: Hollow Core, Handicapped (better called Accessible“)
- HC: hydrocarbons
- HCA: Homes and Communities Agency
- HCA: Homes and Community Agency (now Homes England)
- HCC: Hertfordshire County Council
- HCFC: Hydrochlorofluorocarbon
- HCT: Hollow Clay Tile
- HCT: Hydroxylating Conversion Treatment
- HD: Hand Dryer
- HD: Harmonization Document
- HD: Head, Heavy Duty
- HD: Heat Detector
- HDCP: Handicapped (better called “Accessible”)
- HDD: Heating Degree Days
- HDF: High Density Fibreboard
- HDM: House Dust Mite
- HDMI: High-Definition Multimedia Interface
- HDN: Harden
- HDPE: High Density Polyethylene
- HDR: Header
- HDV: heavy duty vehicle
- HDW: Hardware
- HDWD: Hardwood
- HDWE: Hardware
- HEA: European I-Beam Profile
- HEA: Head -End Assembly
- HEA: Historic Environment Record
- HEB: European I-Beam Profile
- HECA: Home Energy Conservation Act
- HEDQF: Higher Education Design Quality Forum
- HELA: Health and Safety Executive/Local Authorities Enforcement Liaison Committee
- HELM: Historic Environment Local Management
- hEN: Harmonised European Standard
- HEO: Higher Executive officer
- HEPA: High Efficiency Particulate Air (Refers To High Efficiency Air Filters)
- HEPA: High-Efficiency Particulate Arrestance
- HEPOL: Health and Safety Executive/Police Force Enforcement Liaison Committee
- HEPR: Home Energy Performance Ratio
- HER: Historic Environment Record
- HES: Home Electronic Systems
- HEx: Heathrow Express
- HEX: Hexagonal
- HFC: Hydrofluorocarbon
- HFL: Highly Flammable Liquid
- HGCRA: Housing Grants Construction and Regeneration Act
- HGR: Hanger
- HGT: Height
- HGV: heavy goods vehicle
- HH: Handhole
- HHE: Health Hazard Evaluation
- HHMB: Hex Head Machine Bolt
- HHS: Hypothenar Hammer Syndrome
- HHSRS: Housing Health and Safety Rating System
- HI: Hazardous Installation
- HI: High
- HIA: Health Impact Assessment
- HIAMP: Highways Infrastructure Asset Management Plan
- HID: Hazardous Installations Directorate
- HID: High Intensity Discharge
- HIP: Home Information Pack
- HIPS: High Impact Polystrene (ceilings & mirrors)
- HIP's: Home Information Packs (now abolished)
- HIU: Heat Interface Unit
- HK: Hook or Hooks
- HKD: Hooked (re-bars)
- HL: High Level
- HL: Hydrant Line
- HLF: Heritage Lottery Fund
- HLS: Higher Level Stewardship
- HM: Heat Meter
- HM: Hollow Metal
- HMC: Hygroscopic Moisture Content.
- HMIP: Her Majesty's Inspectorate of Pollution
- HMIP: Her Majesty's Inspectorate of Pollution (Part of Environment Agency)
- HMIPI: Her Majesty's Industrial Pollution Inspectorate For Scotland
- HMNII: Her Majesty's Nuclear Installations Inspectorate
- HMO: Houses in Multiple Occupation (licence)
- HMP: Hollow Metal, Painted
- HMRC: Her Majesty's Revenue and Customs
- HMRI: Her Majesty's Railway Inspectorate
- HMVC: High Value Manufacturing Catapult
- HN: Health Notice (DH)
- HNCG: Hollow Neoprene Compression Gasket
- HNMR: High Resolution Nuclear Magnetic Resonance
- HO: Home office
- HOH: Head of Household.
- Hoops: Head of Operations
- HOR: Horizontal
- HORIZ: Horizontal
- HOSP: Hospital
- HOST: hydrology of soil types
- HOTs: Head of Terms
- HP: Heat Pump
- HP: High Point
- HP: High Point, High Pressure, Horse Power
- HPA: Heritage Partnership Agreement
- HPD: Hearing Protection Devices
- HPG: High Pressure Gas
- HPL: High Pressure Laminate
- HPM: Hazardous Production Materials
- HPS: High Pressure Sodium, High Pressure Steam
- HPV: High Production Volume
- HQI Housing Quality Indicators.
- HQI: Housing Quality Indicator
- HR: Hour
- HR: Human Resources
- HRD: Human Resource Development
- HRF: Household Reference Person.
- HRM: Human Resources Management
- HRMB: Human Resource Management Branch
- HRR: Health Risk Review
- HRRB: High Rise Residential Building.
- HRS: Hot Rolled Steel
- HRS: Hot Rolled Steel, Hours
- HRU: Human Resources Unit
- HRV: Heat Recovery Ventilation
- HS / H&S: Health and Safety
- HS&E: Health Safety & Environment
- HS(EA) Regs: The Health and Safety (Enforcing Authority) Regulations 1977
- HS(G): Health and Safety (Guidance) (Booklet)
- HS(R): Health and Safety (Regulations) (Booklet)
- HS: Heat Strengthened
- HS2: High Speed 2
- HSA: Hazardous Substances Authority
- HSA: Health and Safety Adviser
- HSAC: Health Services Advisory Committee
- HSAM(GAP): Health and Safety Administrative Minute (General Administrative Procedures)
- HSAM(INF): Health and Safety Administrative Minute (Information)
- HSAM(PM): Health and Safety Administrative Minute (Personnel Management)
- HSAM: Health and Safety Administrative Minute
- HSAO: Health and Safety Awareness officer
- HSC: Health and Safety Commission
- HSCER: Health and Safety (Consultation with Employees) Regulations 1996
- HSCER: Health and Safety (Consultation With Employers) Regulations
- HSE: Health and Safety Executive
- HSEM: Health and Safety Executive Minute
- HSF / H&SF: Health and Safety File
- HSFG: High Strength Friction Grip
- HSG: Health and Safety Guidance
- HSG: Health and Safety Guidance Booklet
- HSG: Housing
- HSL: Health and Safety Laboratory
- HSLA: High Strength Low Alloy (Steel)
- HSPF: Heating Seasonal Performance Factor
- HSPL: Health and Safety Policy Liaison (Department of Environment)
- HSS: Hollow Structural Section
- HST: High Speed Train
- HSW: Health & Safety at Work Act 1974
- HSWA: Health and Safety At Work Etc. Act 1974
- HT: Hazard Type
- HT: Height, Heat, High Tension Duct
- HT: High Tensile
- HT: High Tension (Electrical)
- HT: Window Head Height
- HTG: Heating
- HTM: Health Technical Memorandum
- HTR: Heater
- HTR: High Temperature Reactor
- HTT: Hard-To-Treat
- HTW: High Temperature Water
- HUL: Historic Urban Landscape
- HV: High Voltage
- HVAC: Heating Ventilation and Air Conditioning
- HVAC: Heating, Ventilating & Air Conditioning
- HVACR: Heating, Ventilation, Air Conditioning and Refrigeration
- HVCA: Heating and Ventilation Contractors Association
- HVDC: High Voltage Direct Current
- HVY: Heavy
- HW: Hot Water
- HW: Hot Water, Heavy Wall
- HWC: Hot Water Circulating, Heavy Wall Conduit
- HWD: Hardwood
- HWE: Healthy Worker Effect
- HWH: Hot Water Heater
- HWI: Hazardous Waste Inspectorate (Doe)
- HWR: Hot Water Recirculating Return
- HWS: Hot Water Service
- HWS: Hot Water Supply
- HWT: Hot Water Tank
- HWY: Highway
- HX: Polyline layer providing 1 dimensional-2 dimensional link within TUFLOW
- HYD: Hydraulic
- HYDRO: Hydrostatic
- Hz: Hertz
- HZ: Hertz (Cycles Per Second)
- Hzsc: Hazardous Substances Consent
- I: Iron, Current (electrical)
- IA: Impact Assessment.
- IA: Investment authorisation
- IAF: Investment Appraisal Framework
- IAG: Interdepartmental Analysts Group
- IAQM: Institute of Air Quality Management
- IAQP: Indoor Air Quality Plan
- IBA: Industrial Building Allowances (tax)
- iBIM: Integrated BIM
- IBM: Intelligent Building Management
- IBMA: Imitation Antique Bronze
- IBV: Indicating Butterfly Valve
- IC: Inspection Chamber.
- IC: Inspection Cover
- IC: Integrated circuit
- IC: Intermediate Contract
- IC: Interrupting Capacity
- ICA: Independent Client Adviser.
- ICC: Infrastructure Conditions of Contract
- ICD: Incorporating Designed Portion Supplement
- ICE 7: Conditions of Contract
- ICE: Institution of Civil Engineers
- ICER: Incremental Cost-Effectiveness Ratio
- ICF: Insulating Concrete Formwork
- ICF: Investment Control Framework
- IChemE: Institute of Chemical Engineers
- ICNIRP: International Commission on Non-Ionizing Radiation Protection
- ICS: International Classification for Standards
- ICT: Information and Communications Technology
- ICT: Institute of Concrete Technology
- ICU: Intensive Care Unit
- ICWCI: Institute of Clerks of Works and Construction Inspectorate.
- ID: identification
- ID: Inside Diameter
- ID: Internal Diameter
- IDB: Internal Drainage Board
- IDBB: Integrated Design/Bid/Build
- IDLH: Immediately Dangerous To Life Or Health
- IDM: Information Delivery Manual
- IDM: Investment Decision Maker
- IDP: Inclusive Design Principles
- IDP: Integrated Design Process
- IDP: Integrated Drainage Process.
- IE: Invert Elevation
- IECC: Integrated Electronic Control Centre
- IECEE: International Electrotechnical Commission's Certification Scheme
- IEP: Intercity Express Programme
- IEQ: Indoor Environmental Quality.
- iESE: Improvement & Efficiency Social Enterprise (Framework)
- IET: Institute of Engineering and Technology
- IET: The Institution of Engineering and Technology
- IFC: Industry Foundation Classes: the open and neutral data format for Open BIM.
- IFC: Intermediate form of building contract (JCT)
- IFC: Issued for Construction (drawings)
- IFD: Industry Foundation Dictionary
- IFD: International Framework for Dictionaries
- IG: Industry Group
- IGT: Innovation and Growth Team
- IGU: Insulated Glass Unit
- IHBC: Institute of Historic Building Conservation
- IHD: In-Home Display
- IHT: Chartered Institution of Highways & Transportation
- IIE: Institute of Industrial Engineers
- IIP: Investors in People
- IL: Invert Level
- ILFE: Inset Live Fuel Effect fire
- ILK: Interlock
- ILMS: Integrated Library Management System
- ILW: Intermediate Level Waste
- ILWS: Inductive Loop Warning System
- IM: Information Manager
- IMD: Infrastructure Maintenance Depot
- IMD: Interactive Modal Analysis
- IMechE: Institution of Mechanical Engineers
- IMH: Inlet Manhole
- IML: Information Management Landscape
- IMP: Information Management Process
- IMP: Insulated Metal Panel.
- IMPACT: Integrated Material Profile and Costing Tool
- IMT: Inspection Management Team
- IMU: Information Management Unit
- IN: Improvement Notice
- IN: Inch
- IN: Issue Note
- INC: Incandescent
- INCAND: Incandescent
- INCIN: Incinerator
- INCL: Incline, Include
- INCR: Increase
- IND(G): Industry Guidance
- INDG: Industry Guidance
- INFO: Information
- INS: Insulate, Insulation
- INSP: Inspect
- INSTL: Install
- INSUL: Insulation
- INT: Interior
- INT: Interior, Internal
- INTERM: Intermediate
- INTL: Internal
- INTM: Intermediate
- INV: Invert
- IOA: Institute of Acoustics
- IOELV: Indicative Occupational Exposure Limit Value
- IP (-Rated): Ingress Protection (Rated)
- IP: Injured Person
- IP: Intellectual Property.
- IP: Investment Projects.
- IP: Iron Pipe
- IPA: Isopropyl Alcohol
- IPC: Independent Principal Consultant
- IPC: Integrated Pollution Control
- IPCC: Intergovernmental Panel on Climate Change
- IPE: European I-Beam Profile
- IPEG: Increased Potential for Elevated Groundwater
- IPG: Information Planning Group
- IPI: Independent Project Insurance
- IPPC: Integrated Pollution Prevention and Control
- IPR: Integrated Pollution Regulation
- IPR: Intellectual Property Rights
- IPS: Integrated Protection System
- IPS: Iron Pipe Size
- IPT: Insurance Premium Tax
- IPT: Integrated Project Team
- IR: Infra Red
- IR: Ionising Radiation
- IRC: Internal reflected component
- IRF: Iron Railing Fence
- IRM: Inspection Repair and Maintenance (offshore)
- IROPI: Imperative Reasons of Overriding Public Interest
- IRP: Intellectual Property Rights
- IRR: Internal Rate of Return
- IRS: Incident Recording System
- IRS: Incident Reporting System
- IRS: Information Release Schedule
- IRS: Integrated Reception System
- IS: Information Services
- IS: Information Specialist
- IS: Intrinsic Safety
- IS: Intrinsically Safe
- iSBEM: Simplified Building Energy Model
- ISBN: International Standard Book Number
- ISC: Immigration Skills Charge
- ISG: Insulated Glass Unit
- ISI: In-Service Inspection
- ISIS: One-dimensional hydraulic modelling software developed by Halcrow
- ISM: Integrated Service Module.
- ISO: International Organization for Standardization
- ISP: Information Strategy Planning
- IST: Integrated Supply Team
- ITB: Industry Training Board
- ITN: Invitation to Negotiate
- ITP: Inspection and Test Plan
- ITPD: Invitation to Participate in Dialogue
- ITS: Integrated Transport Authority
- ITT: Invitation to Tender
- IV: Indirect Vent
- IV: Isolating Valve.
- IVA: Individual Voluntary Agreement (See insolvency)
- IVO: Inlet Valve Opening
- IVS: International Valuation Standards
- IW: Indirect Waste
- IWF: Interwovern Fence
- IWL: Independent Wall Lining
- IWM: Integrated Water Management
- IZ: Inner Zone
- IZC: Individual Zone Controllers
- IZC: International Zoning Code
- J: Joist
- JAC: Joint Advisory Committee
- JACR: Joint Advisory Committee Report
- JAN: Janitor
- JB: Junction Box
- J-BOX: Junction Box
- JC: 'J' Channel
- JC: Janitor's Closet
- JCA: Joint Competent Authority.
- JCB: J C Bamford (plant manufacturer)
- JCLI: Joint Council for Landscape Industries
- JCT: Joint Contracts Tribunal
- JCT: Junction
- JDI: Joint Declaration of Intent
- JDO: Job Description Outline
- JDS: Joint Disciplinary Scheme
- JF: Joint Filler
- JISC: Joint Industry Safety Committee
- JIT: Just In Time
- JNCC: Joint Nature Conservation Committee
- JPG: Joint Photographic Experts Group
- JPRMP: Joint Project Relationship Management Plan
- JSC: Joint Standing Committee
- JSCR: Joint Standing Committee Report
- JST: Joist
- JT: Joint
- JV: Joint Venture
- JWG: Joint Working Group
- JWP: Joint Working Party
- K: Kilopound (1000 pounds), Kelvin (temperature)
- KAL: Kalamein
- KCP: Keene's Cement Plaster
- KG: Kilogram
- Kg: Kilogramme
- KHF: Know How Fund
- KIP: Kilopound (1000 pounds)
- KIT: Keep In Touch
- KIT: Kitchen
- KM: Kilometer
- KN: Kilonewton
- KO: Knockout
- KP: Key Pad
- KP: Kickplate
- KPI: Key Performance Indicator
- KPL: Kickplate
- KR: coefficient of permeability
- KS: Kitchen Sink
- KSC: Knowledge Skills and Competences
- KT: coefficient of permeability
- KTH: Kitchen (drawing)
- KVA: Kilovolt-Ampere
- KW: Kilowatt
- KWH: Kilowatt Hour
- KWHR: Kilowatt Hour
- L/L: Low Level
- L: Angle, Left, Length, Lighting Panel, Long, Line
- L6s: Lean Six Sigma
- LA: Landscape Architect, Lightning Arrester
- LA: Local Authority
- LAA: Local Authority Associations
- LAAPS: Local Authority Accident Prevention and Safety Services
- LAB: Laboratory, Labor
- LABC: Local Authority Building Control
- LABV: Local Asset Backed Vehicle
- LAC: Local Authority Circular
- LAD: Ladder
- LADD: Lifetime Average Daily Dose
- LADS: Linear Asset Decision Support
- LADs: Liquidated and Ascertained Damages
- LAI: Leaf Area Index
- LAM: Laminate, Laminated
- LAQM: Local Air Quality Management
- LAQN: London Air Quality Network
- LASER: Light Amplification By Stimulated Emission of Radiation
- LASP: Local Authorities Strategic Programme
- LASS: Leisure Accident Surveillance System
- LAT: Lateral
- LAU: Local Authority Unit
- LAV: Lavatory
- LB: Load-Bearing
- LB: Pound (weight), Lag Bolt
- LBA: Letter Before Action
- LBA: London Boroughs Association
- LBAP: Local Biodiversity Action Plan
- LBC: Listed Building Consent
- LBCO: Listed Building Consent Order
- LBHPA: Listed Building Heritage Partnership Agreement
- LBL: Label
- LBR: Lumber
- LBTT: Land and Building Transaction Tax
- LC: Lead Consultant
- LC: Licence Condition
- LC: Light Control, Lead Covered
- LC: London Clay
- LCA: Landscape Character Area
- LCA: Lifecycle Assessment
- LCA: Low Cost Alternative
- LCD: Liquid Crystal Diode
- LCD: Liquid Crystal Display (glazing)
- LCF: Landfill Communities Fund
- LCI: Life Cycle Inventory
- LCL: Linen Closet
- LCM: Lead Coated Metal
- LCM: Lighting Control Module
- LCN: London Cycle Network
- LCN+: London Cycle Network Plus
- LD: Land Division
- LD: Latent Defect
- LD: Lead Designer
- LD: Leader Drain
- LDA: Linear Photodiode Array
- LDA: London Development Agency
- LDC: Lawful Development Certificate (/Certificate of Lawful Development)
- LDD: Local Development Document
- LDEDCA: Local Democracy, Economic Development and Construction Act 2009 -
- LDF: Local Development Framework
- LDF: Low Density Fibreboard
- LDG: List of Dangerous Goods
- LDI: Latent Defects Insurance
- LDO: Local Development Order
- LDPE: Low Density Polyethylene (bins, pipes & fittings)
- LDs: Liquidated and Ascertained Damages
- LDS: Local Development Scheme.
- LDV: Leyland DAF van
- LEA: Local Education Authority
- LEA: Local Enterprise Agency
- LEAP: locally equipped area of play
- LED: Light-Emitting Diode
- LEED: Leadership in Energy and Environmental Design
- LEL: Lower Explosive Limit
- LEL: Lower Exposure Limit
- LEMP: local environmental management plan
- LENI: Lighting Energy Numerical Indicator
- LEP: Local Enterprise Partnerships
- LEP: Lowest Evaluated Price
- LEPC: Lifts, Escalators and Passenger Conveyors
- LEQ: Equivalent Continuous Sound Level
- LEV: Local Exhaust Ventilation
- LEZ: Low Emission Zone
- LF: Load Factor
- LFB: London Fire Brigade
- LFDCA: London Fire and Civil Defence Authority
- LFL: Lower Flammability Limit
- LFRMS: local flood risk management strategy
- LFS: Labour Force Survey
- LGA: Local Government Area
- LGA: Local Government Association
- LGA: Local Government Authority
- LGBCE: Local Government Boundary Commission for England
- LGS: local geological site (formerly regionally important geological sites)
- LGSC: Landlord's Gas Safety Certificate
- LGTF: Local Government Task Force
- LGV: light goods vehicle
- LH: Left Hand
- LHA: local highway authority
- LHDG: London Housing Design Guide
- LHPC: Low Heat Portland Cement
- LHS: Left Hand Side
- LIB: Library
- LIBR: Library
- LIDAR: a combination of 'light' and 'radar'
- LiDAR: light detection and ranging
- LIF: Laser Induced Fluorescence
- LIFE: Lotic-invertebrate Index for Flow Evaluation
- LIFT: Local Improvement Finance Trust
- LIGS: locally important geological site
- LIL: Local Interest List
- LIN: Linear
- LINO: Linoleum
- LIP: local implementation plan
- LIQ: Liquid
- LKR: Locker
- LL: Live Load
- LL: Low Level
- LLBCO: Local Listed Building Consent Order
- LLC: Limited Liability Corporation
- LLFA: Lead Local Flood Authority
- LLMI: Local Labour Market Intelligence
- LLP: Limited Liability Partnership
- LMD- Light Maintenance Depot
- LMFBR: Liquid Metal Fast Breeder Reactor
- LMP: landscape management plan
- LMS: Limestone
- LN: Length
- LNAPL: light non-aqueous phase liquid
- LNDG: Landing
- LNG: Liquefied Natural Gas
- LNHS: London Natural History Society
- LNR: Local Nature Reserves
- LNTL: Lintel
- LO: London Overground
- LO: Low
- LOC: Locate
- LOCAE: List of Classified and Authorised Explosives
- LOCS: Locations
- LOD: Level of Detail
- LOD: Limit of Detection
- LOEL: Lowest Observed Effect Level
- LOI: Letter of Intent
- LoL: Limitation of Liability
- LOLER: Lifting Operations and Lifting Equipment Regulations
- LON: Light Obstruction Notice
- LoR: Letter of Reliance
- LOX: Liquid Oxygen
- LP: Lamp Post
- LP: Legality of Production
- LP: Lighting Panel / Lamp Post
- LP: Limited Partnership
- LP: Liquefied Petroleum
- LP: Local Plan
- LP: Low Point, Low Pressure, Lighting Panel, Light Proof
- LP: Low Pressure
- LPA: Local Planning Authority
- LPC: Loss Prevention Council
- LPCB: Loss Prevention Certification Board
- LPD: Lighting Power Density.
- LPG: Liquefied Petroleum Gas
- LPS: Last Planner System
- LPS: Loss Prevention Standard
- LPS: Low Pressure Sodium, Low Pressure Steam
- LPT: Local Property Tax
- LR: Living Room
- LRFD: Load and Resistance Factor Design
- LRT: Light Rapid Transit
- LRV: Light Rail Vehicle
- LRV: Light Reflectance Value
- LS: Light Switch
- LS: Limestone, Loud Speaker
- LSD: Limit State Design
- LSF: Low Smoke or Fumes
- LSOA: Lower Super Output Area
- LSP: Local Strategic Partnership
- LSS: Load Scaling Sensitivity
- LST: Low Surface Temperature (radiators)
- LSV: Lockshield Valve
- LT WT: Lightweight
- LT: Light Transmittance value of glazing (Natural Light Value)
- LT: Light, Low Tension Duct, Laundry Tray
- LTA: Lost Time Accident
- LTC: Loan To Cost ratio
- Ltd: Limited Liability Company
- LTEL: Long Term Exposure Limit.
- LTG: Lighting
- LTHW: Low Temperature Hot Water
- LTI: Lost Time Incident
- LTL: Lintel
- LTP: local transport plan
- L-TS: Long-Term Storage
- LTSF: Local Track Selection Factor
- Ltsrs: Long Term Safety Reviews
- LTV: Loan To Value ratio
- LU: London Underground
- LUL: London Underground Limited
- LUPI: land use pollution index
- LUST: land use surface type
- LV: Low Voltage
- LV: Low Volume
- LVD: Low Voltage Directive
- LVDC: Low-Voltage Direct Current
- LVDMAP: Low Value Disputes Model Adjudication Procedure
- LVIA: Landscape and Visual Impact Assessment
- LVMF: London View Management Framework
- LVR: Louver
- LVT: Luxury Vinyl Tiles
- LW: Light Weight
- LWC: Light Weight Concrete
- LWDP: Louvered Wood Door, Painted
- LWR: Light Water Reactor
- LWS: local wildlife site
- LWSC: Long Wave Shading Coefficient
- LZC: Low or Zero Carbon (Technologies)
- LZCGT: Low or Zero-Carbon Generating Technology
- LZCT: Low or Zero Carbon Technology
- M&A: Mergers and Acquisitions.
- M&E: Mechanical and Electrical
- M&E: Mechanical and Engineering
- M&PC: Marine & Protective Coatings
- M&R: Maintenance and Renewal
- M&T: Monitoring and Targeting
- M&V: Measurement and Verification
- M/L: Mid Level
- M: and E mechanical and electrical
- M: Meter, Motor, Thousand (brick), Bending Moment
- m: Metre
- M2M: Machine to Machine.
- M5-2d: 2 day rainfall of 5 year return period (mm)
- M5-60: 60 minute rainfall of 5 year return period (mm)
- MAA: Moving Annual Average
- MAC: Managing Agent and Contractor / Managing Agent Contractor
- MAC: Manual handling assessment chart
- MAC: Maximum Acceptable Concentration Or Maximum Allowable Concentration
- MACE: Multipurpose Automatic Control Equipment
- MACH: Machine
- MAFF: Ministry of Agriculture, Fisheries and Food
- MAG: Metal Active Gas
- MAG: Metal Arc Gas
- MAINT: Maintenance
- MAN; Manual
- MAP: maintenance access point
- MAPP: Major Accident Prevention Policy
- MAR: Management and Administration
- MAR: Marble
- MARB: Marble
- MAS: Masonry
- MAT: Material
- MATL: Material
- MAWP: Maximum Allowable Working Pressure
- MAX: Maximum
- MB: Mail Box, Machine Bolt, Mop Basin
- MB: Management Board
- Mbo: Management By Objective(S)
- Mboca: 4,4'Methylene-Bis-(2-Chloroaniline)
- MC: Main Contractor
- MC: Management Contractor
- MC: Mass Concrete
- MC: Medicine Cabinet, Mineral Core
- MCA: multi-criteria analysis
- MCB: Manually Controlled Barrier
- MCB: Miniature Circuit Breaker
- MCC: manual classified count
- MCC: Motor Control Center
- MCCS: Microclimate Cooling System
- MCD: Main Contractor's Discount
- MCERTS: monitoring certificate scheme
- MCG: Major Contractors Group
- MCHW: Manual of Contract Documents for Highway Work
- MCM: Modern Construction Methods
- MCM: Thousand Circular Mils (electrical wire size)
- MCP: Manual Call Point
- MCS: Microclimate Cooling System
- MCS: Microgeneration Certification Scheme
- MCS: Mining Certification Service
- MCW: Mains Cold Water
- MCZ: Marine Conservation Zones
- MD: micro deval
- MDF: Medium Density Fibreboard
- MDHS: Methods For The Determination of Hazardous Substances
- MDI: Diphenylmethane Diisocyanate
- MDI: Methyl Diphenylene Diisocyanate
- MDM: Master Data Management
- MDO: Medium Density Overlaid Plywood
- MDR: minimum design requirement
- MDS: Material Data Sheet
- MDTSA: Methods For The Detection of Toxic Substances In Air
- MDU: Maintenance Delivery Unit
- MDU: Multiple Dwelling Unit
- ME: Mechanical Engineer
- MEAT: Most Economically Advantageous Tender
- MECH: Mechanical
- MED CAB: Medicine Cabinet
- MED: Medium
- Med-Ad: Mediation-adjudication
- Med-Arb: Mediation-arbitration
- MEIA: Middle East, India and Africa
- MEK: Methyl Ethyl Ketone
- MEL: Maximum Exposure Limit
- MEMB: Membrane
- MEMBR: Membrane
- MENA: Middle East and North Africa
- MEP: Mechanical Electrical and Plumbing
- MEPH: Mechanical, Electrical, Plumbing & Heating
- MERC: Mercury Vapor
- MET: Metal
- MEV: (Continuous) Mechanical Extract Ventilation
- Mev: Million Electron Volts Or Mega Electron Volts
- MEW: Minor Emerging Works
- MEWP: Mobile Elevated Work Platform / Mobile Elevating Work Platform
- MEZZ: Mezzanine
- MF: Melamine-formaldehyde (laminated plastics & adhesives)
- MFA: Material Flow Accounting / Material Flow Analysis
- MFC: Melamine Faced Chipboard
- MFD: Manufactured, Metal Floor Deck
- MFG: Manufacturer, Manufacturing
- MFP: Multi-Functional Plate
- MFR: Manufacture, Manufacturer
- MG: Make Good
- MH: Major Hazards
- MH: Manhole
- MHAU: Major Hazards Assessment Unit
- MHCLG: Ministry of Housing, Communities and Local Government.
- MHFA: Mental Health First Aid.
- MHSW: Management of Health and Safety at Work
- MHSWR: Management of Health and Safety At Work Regulations
- MI: Malleable Iron, Miles
- MI: Mandatory Investigation
- MI: Myocardial Infarction
- MIC: Methyl Isocyanate
- MIC: Minimum Ignition Current
- MICE: Member of the Institution of Civil Engineers
- MIDAS: Machine Information Display and Automation System
- MIDP: Master Information Delivery Plan
- MIKE: Microphone
- MIN: Minimum
- MIP: Mercury Intrusion Porosimetry
- MIPIM: Le marché international des professionnels de l'immobilier (real estate event)
- MIPPS: Ministerial Interim Planning Policy Statement
- MIPS: Median Index of Public Sector Tender Prices
- MIR: Mirror
- MIS: Management Information Systems
- MIS: Manufacturers, Importers and Suppliers
- MISC: Miscellaneous
- MIStructE: Member of the Institution of Structural Engineers
- MJ: Movement Joint
- MK: Mark
- ML&P: Metal Lath & Plaster
- MLD: Molding
- MLDG: Molding
- MLF: Molded Lead Frame
- MM: Managed motorways
- MM: Millimeter
- mm: Millimetre
- MM-ALR: Managed motorways: all lanes running
- MMB: Membrane
- MMC: Modern Methods of Construction
- MML: Midland Main Line
- MMMF: Man-Made Mineral Fibre
- MMP: Materials Management Plan
- MO: Masonry Opening
- MO: Modus Operandi
- MOCA: 4,4' Methylene-Bis-(2-Chloroaniline)
- MoD: Ministry of Defence
- MOD: Module
- MoE: Means of Escape
- MOL: Metropolitan Open Land
- MONO: Monolithic
- MoT: Ministry of Transport
- MOTO: Memorandum of Terms of Occupancy
- MoU: Memorandum of Understanding
- MOV: Movable
- MP: Major Project
- MP: Member of Parliament
- MP: Metal Acoustal Panel
- MPA: Major Projects Authority
- MPA: Mineral Planning Authority
- MPAN: Meter Point Administration Number, for the electricity supply
- MPC: Maximum Permissible Concentrations
- MPDT: Model Production and Delivery Table
- MPE: Maximum Permissible Exposure
- MPO: Management and Personnel office
- MPPS: macro pervious pavement surface / system
- MPRN: Meter Point Reference Number, for the gas supply
- MPS: Medium Pressure Steam
- MQ: Mines and Quarries
- MR: Mandatory Reporting
- MR: Mop Receptor
- MRA: Mutual Recognition Agreement
- MRD: Metal Roof Deck
- MRF: Material Recycling Facility
- MRHI: Mineworkings Residual Hazard Index
- MRL: Manufacturing Readiness Level
- MRL: Maximum Residue Limit
- MRPQ: Mutual Recognition of Professional Qualifications
- MRT: Mean Radiant Temperature
- MS: Member State (of European Union)
- MS: Mild Steel
- MSA: mineral safeguarding area
- MSCB: Multi-Service Chilled Beams
- MSCP: Multi-Storey Car Park
- MSDS: Material Safety Data Sheet
- MSDS: Material Safety Data Sheet(S)
- MSIV: Main Steam Isolating Valve
- MSLB: Main Steam Line Break
- MSV: Modelling Simulation and Visualisation
- MT: Management Trainee
- MT: Material Throughputs
- MT: Mount, Mounted
- MTA: Made To Assemble
- MTBE: methyl tert-butyl ether
- MTC: Manufacturing Technology Centre
- MTC: Measured Term Contract
- MTD: Mounted
- MTL: Material, Metal
- MTL: Metal
- MTO: Made To Order
- MTR: Motor
- MTS: Made To Stock
- MUC: Maintenance Unitised Cost
- MUL: Mullion
- MULL: Mullion
- MV: Mercury Vapor
- MVD: Model View Definitions
- MVHR: Mechanical Ventilation Heat Recovery
- MW: Microwave
- MW: Minor Works
- MWF: Metalworking Fluid(S)
- MWHC: maximum water holding capacity
- MWK: Millwork
- MWL: Miniature Warning Light
- MWP: Maximum Working Pressure
- MWS: Main Water Supply
- MZ: Middle Zone
- N: Newton
- N: North, Nitrogen
- NABERS: National Australian Built Environment Rating System
- NaCSBA: National Custom & Self Build Association
- NADOR: Notification of Accidents and Dangerous Occurrences Regulations
- NAI: Nature Improvement Areas
- NAP: Napkin
- NAP: National Adaptation Programme
- NAPI: normalised antecedent precipitation index
- NAS: Net Addition to Stock
- NASC: National Access and Scaffolding Confederation
- NASC: National Association of Scaffolding Contractors
- NAT: Natural
- NATL: Natural
- NATLAS: National Testing Laboratory Accreditation Scheme
- NATM: New Austrian Tunnelling Method
- NAWDC: National Association of Waste Disposal Contractors
- NB: “Nota Bene” Latin phrase for “Take Special Note”
- NB: Net Benefits
- NBMP: National Bat Monitoring Programme
- NBR: National Buildings Record
- NBS: National Building Specification
- NC: Noise Criteria
- NC: Normally Closed, Noise Criteria
- NCA: national character area
- NCC: Net Contribution Clause
- NCF: National Contractors Federation
- NCM: National Calculation Methodology (for EPDM)
- NCR: Non-Conformance Report / Non-Conformity Report
- nCRISP: new Construction Research and Innovation Strategy Panel (now the National Platform for the Built Environment)
- NCS: Natural Colour System
- NDA: Non Disclosure Agreement
- NDC: Nationally Determined Contribution
- NDG: National Design Guide
- NDO: Neighbourhood Development Order
- NDP: Neighbourhood Development Plan
- NDPB: Non Departmental Public Body
- NDPB: Non-Departmental Public Body
- NDS: National Delivery Services
- NDT: National Digital Twin
- NDT: Non-Destructive Testing
- NE: Natural England
- NEC: National Electrical Code
- NEC: National Exhibition Centre
- NEC: New Engineering Contract
- NEDB: National Exposure Data Base
- NEED: National Energy Efficiency Data-Framework
- NERRP: National Earthworks Risk Reduction Programme
- NES: Not Elsewhere Specified
- NESC: Network For Evaluating Steel Components
- NEUT: Neutral
- NF: Near Face
- NFA: Net Floor Area
- NFB: National Federation of Builders
- NFC: Natural Fibre Composites
- NFC: Near-Field Communication
- NFCI: National Federation of Clay Industries
- NFDC: National Federation of Demolition Contractors
- NFDC: National Federation of Demolition Contractors Standard Form
- NFE: No Financial Effect
- NFRC: National Federation of Roofing Contractors
- NFRP: Natural Fibre Reinforced Polymer
- NFU: National Farmers Union
- NFWH: Non-freeze Wall Hydrant
- NGL: Natural Gas Liquid(S)
- NGO: Non-Governmental Organisation
- NHBC: National House Building Council
- NHBC: National House-Building Council
- NHL: National Heritage List
- NHPP: National Heritage Protection Plan (English Heritage)
- NHS: National Health Service
- NI/TR: Policy Noise insulation and temporary re-housing policy
- NI: Nickel
- NI: Nominated Inspector
- NIA: National Insulation Association
- NIA: Nature Improvement Area.
- NIA: Net Internal Area
- NIC: Not In Contract
- NIHHS: Notification of Installations Handling Hazardous Substances Regulations
- NIHL: Noise Induced Hearing Loss
- NJCC: National Joint Contracts Committee
- NK: Neck
- NLL: North London Line
- NMA: Non-Material Amendment
- NMR: National Monuments Record
- NMR: Nuclear Magnetic Resonance
- NMT: Non-Metallic
- NNR: national nature reserve
- NNR: National Nature Reserves
- NO: Number
- NO: Number, Normally Open
- NOM: Nominal
- NPA: Notification of Proposed Amendment
- NPC: Net Present Cost
- NPF3: National Planning Framework for Scotland
- NPIP: National Process Improvement Project
- NPK: nitrogen-phosphorous-potassium
- NPO: National Portfolio Organisations
- NPO: Non-Productive Overtime.
- NPO: Non-Profit Organisations.
- NPPF: National Planning Policy Framework
- NPPG: National Planning Practice Guidance website.
- NPS: national plant specification
- NPS: national policy statement
- NPS: Nominal Pipe Size
- NPSE: Noise Policy Statement for England
- NPSE: The Noise Policy Statement for England
- NPV: Net Present Value
- NR: Network Rail
- NR: Noise Reduction
- NRA: National Rivers Authority
- NRAC: National Register of Access Consultants
- NRC: Noise Reduction Coefficient
- NRM: New Rules of Measurement: replacing SMM7
- NRMM: Low emission zone for non-road mobile machinery
- NRP: Non-Removable Pin
- NRS: Non Rising Steam Valve
- NRSWA: New Roads and Street Works Act
- NRV: Non Return Valve
- NS: Near Side
- NS: Net Savings.
- NSB: Nominal Size Bypass
- NSBA: National Self Build Association
- NSCC: National Specialist Contractors Council Contract
- NSCS: National Structural Concrete Specification
- NSF: Net Square Footage
- NSFC: National Natural Science Foundation of China
- NSH: Night Storage Heater
- NSIP: Nationally Significant Infrastructure Project
- NSK: Non Standard Kerb
- NT: National Trust
- NTEM: National Trip End Model
- NTI: New Training Initiative
- NTM: National Transport Model
- NTP: Normal Temperature and Pressure
- NTS: non-technical summary
- NTS: Not to Scale
- NTS: Not To Scale
- NUI: Normally Unattended Installation
- NVC: National Vegetation Classification
- NVQ: National Vocational Qualification
- NVZ: Nitrate Vulnerable Zone
- O TO O: Out to Out
- O&M: Operations and Maintenance (See Building Owner's Manual)
- O/A: On or About
- O: Oxygen
- OA: On or About
- OA: Outside Air, Overall
- OAPF: opportunity area planning framework
- OB: Obscure
- OBC: Outline Business Case
- OBS: Obscure
- Obs: Obsolete/Obsolescent
- OBST: Operational Business Systems Team
- OC: On Center
- OC: On Centre
- OC: Open Crossing
- OCDEA: On Construction Domestic Energy Assessor
- OCR: Opportunity Cost Rent
- OCT: Overseas Countries and Territories
- OD: Ordnance Datum
- OD: Outside Diameter
- ODA: Olympic Delivery Authority
- ODP: Ozone Depletion Potential
- ODS: Ozone Delpleting Substances.
- OECD: Organisation for Economic Cooperation and Development
- OEL: Occupational Exposure Limit
- OELS: Organic Entry Level Stewardship
- OES: Occupational Exposure Standard
- OF: Outside Face
- OF: Overflow
- OFF: Office
- OFGEM: Office of Gas and Electricity Markets
- OFL: Over-Flow alarm
- OFS: Oil Fired Appliance Standard
- OFWAT: Office of Water Services
- OfWAT: The Water Services Regulation Authority
- OGC: Office of Government Commerce (no longer in existence)
- OGC: Open Geospatial Consortium
- OGD: Other Government Departments
- OGSF: Overall Gross Square Footage
- OH&P: Overhead and Profit
- OH: Occupational Health
- OH: Over Head
- OH: Overhead
- OHAC: Occupational Health Advisory Committee
- OHD: Overhead Door
- OHMS: Oval Head Machine Screw
- OHP: Overhead Projector
- OHWS: Oval Head Wood Screw
- OI: Ornamental Iron
- OIL: Open Items List
- OIL: Outstanding Items List
- OIOO: One In One Out
- OIR: Oganisational Information Requirements
- OITO: One In Two Out
- OJEU: Official Journal of the European Union
- OLA: Occupiers' Liability Act
- OLB: Timber Origin and Legality (Origine et Légalité des Bois)
- OLC: Open Level Crossing
- OLE: Object Linking and Embedding
- OLE: overhead line equipment
- OM: Operating & Maintenance (Manual)
- OM: Operations Manager
- OM: Organic Matter
- OML: Ordinary Maternity Leave
- OMM / O&MM Operation & Maintenance Manual
- ONS: Office for National Statistics
- OP: Opaque
- OPA: Output and Performance Analysis
- OPAS: Operational Property Asset System
- OPC – Ordinary Portland Cement
- OPEX: Operational Expenditure
- OPG: Opening
- OPIP: Operational Process Improvement Project
- OPM: Output and Performance Measures
- OPNG: Opening
- OPO: One Person Operated
- OPP H: Opposite Hand
- OPP: Opposite
- OPPI: Owners' Protective Professional Insurance
- OPR: Owner's Project Requirements
- OR: Outside Radius
- ORC: Organic Rankine Cycle
- ORN: Ornamental
- ORR: Office of Rail Regulation
- OS&Y: Outside Screw & Yoke (valve)
- OS: Ordnance Survey
- OSB: Oriented Strand Board
- OSC: Operational Safety Case
- OSD Open Sight Drain
- OSD: Over Site Development
- OSI: Open Systems Interconnection (model)
- OSL: Overhead Slab Level
- OSRPA: Offices Shops and Railway Premises Act
- OTL: Object Type Library
- OUT: Outlet
- OV: Oven
- OVFL: Overflow
- OW: Open Waste
- OZ: Ounce
- OZ: Outer Zone
- P & I: Piping and Instrumentation
- P SL: Pipe Sleeve
- P. LAM: Plastic Laminate
- P: Pitch, Power Panel, Paint
- P: Post
- Pa: Pascal (S.I. Unit of Pressure)
- PA: Planning Authority
- PA: Polyamide (nylon) (electrical fittings, washers, ropes)
- PA: Public Address
- PAC: Procurement Assessment Criteria
- PACE: Property Advisers to the Civil Estate (no longer in existence)
- PADHI: Planning Advice For Developments Near Hazardous Installations
- PADP: Project Supervisor Design Portion
- PAF: Powder Actuated Fasteners
- PAH: Polycyclic Aromatic Hydrocarbon
- PAH: polycyclic aromatic hydrocarbons
- PAH: Polynuclear Aromatic Hydrocarbines
- PALF: Palisade Fence
- PAN: Planning Advice Note
- PAO: Procurement Assessment Options
- PAR: Parallel
- PAR: Planning Application Requirements
- PAR: Polished All-Round
- PARL: Percentage Asset Remaining Life
- PARTN: Partition
- PAS 1192-2: Publicly Available Specification: Specification for information management for the capital/delivery phase of construction projects using building information modelling.
- PAS 91: Publicly Available Specification: Construction prequalification questionnaires
- PAS: Publicly Available Specification
- PASS: Passage, Passenger
- PAT: Portable Appliance Testing
- PAVA: Public Address & Voice Alarm system
- PAYE: Pay As You Earn
- PB STA: Push Button Station
- PB: Payback
- PB: Polybutalene (pipe fittings)
- PB: Pull Box, Push Button, Panic Bar
- PBA: Project Bank Account
- PBB: Polybrominated Biphenyl
- PBD: Particle Board
- PBMT: Preshimmed Butyl Mastic Sealant Tape
- PC: Parish Council
- PC: Personal Computer
- PC: Polycarbonate (anti-vandal glazing)
- PC: Portland Cement
- PC: Practical Completion
- PC: Precast Concrete
- PC: Prime Cost
- PC: Principal Contractor.
- PC: Pull Chain
- PC: Pull Chain, Piece, Precast Concrete
- PCA: Pre-Construction Agreement
- PCA: Public Contractors Association
- PCAH: Polycyclic Aromatic Hydrocarbon
- PCB: Polychlorinated Biphenyl
- PCB: Polychlorinated Biphenyls
- PCB: Printed Circuit Boards
- PCBP's: Polychlorinated Biphenylenes
- PCC: Portland Cement Concrete
- PCC: Professional Conduct Committee
- PCDB: Product Characteristics Database
- PCE: Project Cost Estimate
- PCF: Pounds per cubic foot
- PCF: Project control framework
- PCG: Parent Company Guarantee
- PCI: Pre-Construction Information
- PCM: Phase Change Material
- PCN: Personnel Certification for Non-destructive Testing
- PCP: Precast Concrete Pad
- PCP: Precast Concrete Pavement
- PCP: Precast Concrete Product
- PCP: Provision, Criterion or Practice
- PCPL: Portland Cement Plaster
- PCR: Product Category Rules
- PCSA: Pre-Construction Services Agreement / Pre-Contract Services Agreement
- PCSR: Pre-Construction Safety Report
- Pct: Polychlorinated Triphenyls
- PCT: Pre-Cast Construction Technology
- PCT: Pre-Completion Testing
- PCU: passenger car unit
- PD: (BSI) Published Document
- PD: Permitted Development
- PD: Principal Designer
- PD: Pump Discharge, Plaza Drain
- PDCA: Plan, Do, Check, Act
- PDF: Portable Document Format
- P-DfMA: Platform Approach to Design for Manufacture and Assembly
- PDL: Previously Developed Land
- PDLC: Polymer Dispersed Liquid Crystal
- PDM: post development model
- PDM: Precedence Diagram Method.
- PDO: Permitted Development Order
- PDP: Paneled Door, Painted
- PDP: Personal Development Planning
- PDR: Permitted Development Rights
- PDS: Private Developer Scheme
- PDS: Product Data Sheet
- PDT: Product Data Template
- PE: Photo-Electric
- PE: Polyethylene
- PE: Porcelain Enamel, Professional Engineer
- PED: Pedestal, Pedestrian
- PEDR: Professional Experience and Development Record
- PEFC: Programme for the Endorsement of Forest Certification
- PEP: Project Execution Plan
- PERF: Perforate, Performance
- PERIM: Perimeter
- PERP: Perpendicular
- PE-RT: Polyethylene Raised Temperature
- PERT: Programme Evaluation and Review Technique
- PES: Programmable Electronic Systems
- PEST: Political, Economic, Social, Technological
- PESTLE: Political, Environmental, Social, Technological, Legal, Economic
- PET: Polyethylene Terephthalate
- PF: Phenol-formaldehyde (Bakelite) (electrical fittings, door furniture)
- PF: Picket Fence
- PF2: Private Finance Initiative version 2
- PFA: Pulverised Fuel Ash
- PFC: Parallel Flange Channel (C-channel)
- PFI: Private Finance Initiative
- PFM: (also referred to as PLANET) PLANET Framework Model
- PFN: Prefinished
- PFRA: preliminary flood risk assessment
- PG: Pressure Gauge
- PGI: Protected Geographical Indication
- PH: Phase, Preheat, Phone
- PH: Property Holdings
- PH: Public Health
- PHD: Product Health Declaration
- PHE: Progressive Horizontal Evacuation
- PHI: Passive House Institute
- PHO: Public Health officer
- PHPP: Passive House Planning Package
- PHSA: Planning (Hazardous Substances) Act 1990
- PI: Principal Inspector
- PIA: personal injury accident
- PIA: Proprietary Information Agreement
- PICG: Project investment control group
- PICV: Pressure Independent Control Valves
- PII: Pollutant Ingress Index
- PII: Professional Indemnity Insurance
- PILON: Pay in lieu of notice
- PIM: Package Interface Matrix
- PIM: Project Information Model
- PIMP: percentage impermeability
- PIN: Prior Information Notice (OJEU procedures)
- PIN: Publication Information Notice
- PINS: Planning Inspectorate
- PIP: Project Implementation Plan
- PIR: Passive Infrared (sensor)
- PIR: Polyisocyanurate (insulation)
- PIT: Partners in Technology
- PIV: Pivoted, Post Indicator Valve
- PIX: Project Information eXchange (Protocol)
- PJF: Preformed Joint Filler
- PKG: Parking
- PKWY: Parkway
- PL: Plain Line (track without switches and crossings)
- PL: Plate, Plan, Property Line, Plastic Laminate, Plastic
- PLA: Polylactide / Poly(lactic acid)
- PLA: Port of London Authority
- PLA: Property Litigation Association.
- PLANET: (also referred to as PFM) Planning network transport forecast model
- PLAS LAM: Plastic Laminate
- PLAS: Plaster, Plastic
- PLBE: Principal Load Bearing Element
- PLBG: Plumbing
- PLC: Public Level Crossing
- PLC: Public Limited Company
- PLF: Pounds Per Lineal Foot
- PLG: Plumbing
- PLMBG: Plumbing
- PLPR: Plain Line Pattern Recognition
- PLQ: Plain Language Questions
- PLTF: Platform
- PLUMB: Plumbing
- PLWD: Plywood
- PLYD: Plywood
- PLYWD: Plywood
- PM: Project manager
- PM10: particulate matter (with aerodynamic diameter of less than 10)
- PM2.5: particulate matter (with aerodynamic diameter of less than 2.5)
- PMA: Paintmakers Association (of Great Britain)
- PMBOK: Project Management Body of Knowledge
- PMI: Purchasing Managers Index
- PMMA: Poly(methyl methacrylate) See Acrylic
- PMP: Project Management Plan.
- PMS: Paint Mixing System(s)
- PMV: Predicted Mean Vote (thermal comfort)
- PMV: Pre-Manufactured Value
- PN: Prohibition Notice
- PNEU: Pneumatic
- PNG: Portable Network Graphics
- PNL: Panel
- PNT: Paint
- PNT: Paint/Painted
- PO: Private office
- PO: Purchase Order
- PoaP: Policy on a Page
- PoC: Point of Contraflexure
- POE: Post Occupancy Evaluation
- POE: Power Over Ethernet.
- POG: Planning Oversight Group
- POL: Polish, Polished
- POMI: Principles of Measurement (International)
- PORC: Porcelain
- PORT: Portable
- PORV: Power-Operated Relief Valve
- POS: Planning Officers Society
- POS: Public Open Space
- POT W: Potable Water
- POT: Peak Over a Threshold
- POV: Privately Owned Vehicle
- PoW: Plan of Work
- PP: Plaster, Painted, Power Panel, Precast Panel
- PP: Polypropylene
- PPA: Planning Performance Agreement
- PPC 2000: Standard Form of Contract for Project Partnering
- PPC: Permanent Painted Coatings
- PPC: Pollution Prevention and Control
- PPC: Polyester Powder-Coated (steel/aluminium)
- PPC: Portland Puzzolana Cement
- PPC: Post Practical Completion
- PPC: Project Partnering Contract
- PPD: Percentage People Dissatisfied (thermal comfort)
- PPE: Personal Protective Equipment
- PPG: Planning Policy Guidance
- PPG: Pollution Prevention Guidelines
- PPG: pollution prevention guidelines (Environment Agency)
- PPL: Piling Platform Level
- PPLV: Positively Pressurised Ventilated Lobby
- Ppm: Parts Per Million
- PPM: Planned Preventative Maintenance
- PPM: Public Performance Measure
- PPM: Pump Performance Monitoring (sheets)
- PPP: Public Private Partnership
- PPPP/4Ps: Public-Private Partnership Programme
- PPS: Package Procurement Schedule
- PPS: Planning Policy Statement
- PPV: Peak Particle Velocity
- PPW: Planning Policy Wales
- PQ: Parliamentary Question
- PQP: Project Quality Plan
- PQPSP: Project Quality Plan for Small Projects
- PQQ: Pre-Qualification Questionnaire
- PQS: Professional Quantity Surveyor
- PR: Pair
- PR: Proposed Plan
- PRA: Paint Research Association
- PRA: Probabilistic Risk Analysis / Assessment
- PRC: Precast
- PRCST: Precast
- PRE: Pitting Resistance Equivalent
- PRE: Prefinished
- PRE: public rescue equipment
- PREFAB: Prefabricated
- PRES: Pressure
- PRESS: Pressure
- PRF: Post and Rail Fence
- PRF: Preformed
- PRFMD: Preformed
- PRI: Primary
- PRIME: Private sector Resource Initiative for the Management of the Estate
- PRINCE: PRojects IN Controlled Environments
- PRISM: Policy Responsive Integrated Strategy Model
- PRM: Person with Reduced Mobility
- PRMLD: Premolded
- PRN: Primary Route Network
- PROBE: Post Occupancy Review of Buildings and their Engineering
- PROPWET: Index of proportion of time that soils are wet
- PROT: Protection, Protective
- PRoW: public right of way
- PRS: Pressure Reduction System
- PRS: Private Rented Sector.
- PRS: Property Repayment Scheme
- PRSTR: Prestressed
- PRTN: Partition
- PRV: Pressure Reducing Valve
- PRV: Pressure Relief Valve
- PS: Planning Supervisor
- PS: Plumbing Stack
- PS: Polystyrene (insulation & suspended ceilings)
- PS: Project Sponsor
- PS: Provisional Sum
- PSA: Public Service Agreements
- PSBP: Priority School Building Programme
- PSBP2: Priority School Building Programme: phase 2
- PSBR: Public Sector Borrowing Requirement
- PSC: Personal Services Company
- PSC: Prestressed Concrete
- PSC: Professional Services Contract
- PSC: Public Sector Comparator
- PSCP: Public Sector Partnering Contract
- PSCS: Project Supervisor Construction Stage
- PSD: particle size distribution
- PSDP: Project Supervisor Design Process
- PSDS: Product Safety Data Sheet
- PSF: Pounds per square foot
- PSF: Professional Service Firm
- PSG: Project Steering Group
- Psi: Pounds Per Square Inch
- PSI: Pounds per square inch
- PSI: proportion of sediment-sensitive invertebrates
- PSIG: Pounds per square inch gage
- PSNCR: Public Sector Net Cash Requirement
- PSP: Post/Shoring/Polyethylene
- pSPA: potential Special Protection Area
- PSS: Public Sector Scheme.
- PSU: Power Supply Unit
- PSV: Passive Stack Ventilation
- PSYM: Predictive SYstem for Multimetrics
- PT: Paint, Point, Part, Potential Transformer
- PT: Paper towel Dispenser
- PT: Pressure Treated
- PTAC: Packaged Terminal Air Conditioner
- PTAL: Public Transport Accessibility Level
- PTC: Post-Tensioned Concrete
- PTD/R: Combination Paper Towel Dispenser/Receptacle
- PTD: Painted, Paper Towel Dispenser
- PTD: Product Transparency Declaration
- PTE: Pre-Tender Estimate
- PTF: Perfluorocarbon Tracer Gas (air infiltration testing)
- PTF: Printed Electronics, including Polymer Thick Film Circuits
- PTFE: Polytetrafluoroethylene
- PTFE: Polytetrafluoroethylene (Teflon)
- PTM: Patch To Match
- PTM: Project Team Meeting
- PTN: Partition
- PTR: Paper Towel Receptacle
- PTW: Permit To Work
- PU: Planning Unit
- PU: Policy Unit
- PU: Polyurethane
- PU: Public Utility
- PUE: Power Usage Effectiveness
- PUF: Polyurethane Foam
- PUI: Peri-Urban Interface
- PUK: Partnerships UK
- PUR: Polyurethane (foam insulation, paints & coatings)
- PV: Paving
- PV: Photovoltaic
- PV: Present Value
- PVA: Polyvinyl Acetate (latex emulsion) (emulsion paint, bonding agents)
- PVB: Polyvinyl Butyral (laminated glass)
- PVC: Polyvinyl Chloride
- PVC-U: Unplasticated Polyvinyl Chloride
- PVF: Polyvinyl Fluoride (protective film)
- PVF: Polyvinylidene Finish
- PVG: Paving
- PVMT: Pavement
- PVS: Primary Vent Stack
- PVT: Combined Photovoltaic and solar Thermal
- PVT: Private
- PW: Party Wall
- PW: Pass Window
- PWD: Permanent Works Designer
- PWF: Post and Wire Fence
- PWR: Power
- PWR: Pressurised Water Reactor
- PWS: Public Water Supply
- q: Infiltration rate flow rate
- QA: Quality Assurance
- QAAHE: Quality Assurance Agency for Higher Education
- QAC: Quality Assurance Committee
- QbD: Quality by Design
- QBD: Queen's Bench Division
- QC: Quality Control
- QD: Quantum Dot
- QI: Quality Index
- QMED: Median annual flood {with 1 in 2 (50%) annual probability event}
- QMS: Quality Management System
- QMT: Quality Management Toolkit
- QRA: Quantitative / Quantified Risk Assessment
- QS: Quantity Surveyor
- QSPC: Quick-Setting Portland Cement
- QT: Quarry Tile, Quart
- QTO: Quantity Take Off
- QTR: Quarter
- QTY: Quantity
- QUAL: Quality
- QUANGO: Quasi Autonomous Non-Governmental Organisation ( 'arms-length' bodies, to which the government has devolved power)
- QUANT: Quantity
- R & R: Remove & Replace
- R & S: Rod and Shelf
- R&D&i: Research, Development and Innovation
- R&D: Research and Development.
- R&M: Repair and Maintenance.
- R/E: Return / Exhaust
- R: Render
- R: Riser, Radius, Resistance, Relay Panel
- R22: HCFC Refrigerant
- R408A: HCFC Refrigerant
- RA: Return Air, Registered Architect
- RA: Route Availability
- RAB: Resource Accounting and Budgeting
- RAC: Refrigeration and Air-Conditioning
- RACI: Responsible for, Authorize, Contribute to, Informed about
- RAD: Radiator
- RAD: Radius, Radiator
- RADN: Radian
- RAM: Route Asset Manager
- RAMP: Route Asset Management Plan
- RAMS: Risk Assessment Method Statements
- Rats: Remote Access Terminals
- RB: Resilient Bar [British Gypsum]
- RB: Rubber, Rubber Base, Resilient Base
- RBC: Rubber Base (Coved),
- RBD: River Basin District
- RBKC: Royal Borough of Kensington and Chelsea
- RBM: Reinforced Bituminous Membrane (roofing)
- RBP: Relationship-based project procurement
- RBR: Rubber
- RBS: Rubber Base (Straight)
- RBT: Rabbet
- RBU: Relay Base Unit
- RC: Recycled Content
- RC: Reflected Ceiling (plan)
- RC: Reinforced Concrete
- RC: Room Criteria (acoustics)
- RCA: Recycled Crushed Aggregate
- RCBO: Residual-Current Circuit Breaker with Overload Protection
- RCC: Regional control centre
- RCC: Reinforced Cement Concrete
- RCCB: Residual-Current Circuit Breaker
- RCD: Residual Current Device
- RCF: Raised Computer Floor
- RCP: Reflected Ceiling Plan
- RCP: Reflected Ceiling Plan, Reinforced Concrete Pipe
- RCS: Respirable Crystalline Silica
- RD: Roof drain
- RD: Roof Drain, Round, Receptacle Distribution Panel
- RDA: Regional Development Agency (replaced by Local Enterprise Partnerships)
- RDA: Regional Development Assembly
- RDP: Registered Disabled Person
- RDS: Room Data Sheet(s)
- RdSAP: Reduced Data SAP
- RE: Rodding Eye
- REACH: Registration, Evaluation, Authorisation & Restriction of Chemicals
- REBAR: Reinforcing Bar
- REC: Receiver
- REC: river ecosystem class
- RECEP: Receptacle
- RECP: Receptacle
- RED: Reducer
- REF: Refer, Reference, Refrigerator
- ReFH: revitalised flood hydrograph
- REFL: Reflected, Reflector
- REFR: Refrigerate, Refrigerator
- REG: Register, Regular
- REGS: Regulations
- REI: Request for Employer's Instruction
- REINF: Reinforcement, or Reinforce
- REIT: Real Estate Investment Trust
- REJ: Reinforced Elastomeric Joints
- REL: Recommended Exposure Limit
- REM: Remove, Removable
- REP: Real Estate Partnership
- REQ: Require, Required
- REQD: Required
- RES: Resilient
- RESIL: Resilient
- REST: Resistance
- RET: Return, Retaining
- RETG: Retaining
- REV DR: Revolving Door
- REV: Reverse, Revise, Revision
- RF: Radio Frequency
- RF: Roof
- RFC: Request for Change
- RFC: Request for Comments
- RFG: Roofing
- RFI: Request for Information
- RFP: Request for Proposal (also possibly Package or Price)
- RFQ: Request for quote
- RGB: Red Green Blue (LED)
- RGH OPNG:Rough Opening
- RGH: Rough
- RGTR: Register
- RH: Relative Humidity
- RH: Right Hand, Reheat, Relative Humidity
- RHC: Reheat Coil
- RHI: Renewable Heat Incentive
- RHMS: Round Head Machine Screw
- RHPC: Rapid Hardening Portland Cement
- RHR: Right Hand Reverse, Reheater
- RHS: Rectangular Hollow Section
- RHS: Revitalising Health and Safety
- RHS: Right Hand Side
- RHS: River Habitat Survey
- RHWS: Round Head Wood Screw
- RI: Railway Inspectorate
- RIA: Regulatory Impact Assessment
- RIAS: Royal Incorporation of Architects In Scotland
- RIBA: Royal Institute of British Architects
- RICS: Royal Institute of Chartered Surveyors
- RICS: Royal Institution of Chartered Surveyors
- RICT: River Invertebrate Classification Tool
- RIDDOR: Reporting of Injuries, Diseases and Dangerous Occurrences Regulations
- RIGS: regionally important geological and geomorphological site
- RIM: Reservoir Inundation Mapping
- RISKAT: Risk Assessment Tool
- RL: Roof Level
- RM: Repair and Maintenance
- RM: Room
- RMC: Ready Mix Cement
- RMP: Relationship Management Plan
- RMP: Risk Management Plan
- RMS: Root Mean Squared
- RMV: Remove
- RN: Riser Nipple
- RNA – Resource Natural Area
- RNA: Remediation by Natural Attenuation
- RNA: Remote Network Access
- RNA: Retrospective Network Analysis
- RNA: Risk Not Acceptable
- RNCP: Request for Notification for change to Cost & Program
- RNCP: Request for Notification of Cost & Programming Impact
- RNG: Renewable Natural Gas (biogas)
- RO: Regional office
- RO: Renewables Obligation
- RO: Rough Opening
- ROB: Rod Out Basin
- ROC: Renewables Obligation Certificate
- ROI: Return on Investment
- RoL: Rights of Light
- Rospa: Royal Society For The Prevention of Accidents
- ROW: Right of Way
- RPA: Risk potential assessment
- RPB: Regional Planning Body
- RPC: Regional Prime Contracts
- RPC: Regulatory Policy Committee
- RPD: Resources and Planning Directorate
- RPE: Respiratory Protective Equipment
- RPG: Registered Park and Garden
- RPM: Revolutions Per Minute
- RPO: Redundancy Payments Office
- RPO: Regulatory Reform (Fire Safety) Order 2005
- RPP: Responsible Purchasing Policy
- RPT: Repeat (like “Ditto”)
- RPZ: root protection zone
- RR: Railroad
- RRC: Reducing Regulation Committee
- RRO: Regulatory Reform Order
- RS: risk score
- RSA: Rolled Steel Angle
- RSB B: Road Sound Barrier Board
- RSCS: Responsible Sourcing Certification Scheme
- RSHI: Rock Slope Hazard Index
- RSI: Repetitive Strain Injury
- RSJ: Rolled Steel Joist
- RSL: Registered Social Landlords
- Rsls: Registered Social Landlords
- RSMD: rolling stock maintenance depot
- RSPB: Royal Society for the Protection of Birds
- RSS: Regional Spatial Strategy
- RSSB: Rail Safety Standards Board
- RSSB: Railway Safety and Standards Board
- RT: Reverberation Time
- RT: Rubber Tile, Right
- RTD: River Terrace Deposits
- RTMC: Regional technology maintenance contractor
- RTN: Return
- RTO: Research & Technology Organisation
- RTPI: Royal Town Planning Institute
- RTR/RR Rubber Tread/Rubber Riser
- RTS: Robotic Total Station
- RTU: Rooftop unit
- Rubberized Bituminous Compound
- RUDI: Resource for Urban Design Information
- RUS: Route Utilisation Strategies
- RV: Rateable Value
- RV: Return Valve
- R-value: thermal Resistance value of a material
- RVS: Reverse Side
- RVT: Rivet
- RVTS: roadside vegetated treatment sites
- RW: Redwood
- RWA: Regional Water Authority
- RWC: Rain Water Conductor
- RWC: Responsible Welding Co-ordinator
- RWD: Redwood
- RWH: Rainwater Harvesting
- RWL: Rain Water Leader
- RWO: Rain Water Outlet
- RWP: Rain Water Pipe
- S & C: Switches and Crossings
- S & T: Signal and Telecommunications
- S and LP: Safety and Loss Prevention
- S&C: Switches and Crossings
- S&M: Surfaced & Matched
- S&S: Stained & Sealed
- S&V: Stain & Varnish
- S&W: Soil and Waste (pipes)
- S/NVQ / SVQ: Scottish Vocational Qualification
- S/O: Set-out
- S/S: Stainless Steel
- S: Section
- s: slope
- S: South, Sealant, Supply, Sink
- S4S: Surfaced 4 Sides
- SA: Secrecy Agreement
- SA: sustainability appraisal
- SAAR: Standard Average Annual Rainfall
- SAB: SuDS Approval Body
- SABE: Strategic Advisory Body On Environment
- SAC: special area of conservation
- SAC: Special Areas of Conservation
- SACT: Suspended Acoustical Tile
- SAF: Service Affecting Failures
- SAF: Site Assessment Forms
- SALV: Salvage
- SAN: Sanitary
- SAP: Safety Assessment Principles
- SAP: Safety Assurance Principles
- SAP: Social Action Programme
- SAP: Standard Assessment Procedure
- SAP: Suspended Access Platform
- SB / IMP: Security Breach / Incident Management Plan
- SB: Setting Basin, Splash Block
- SB: Steel Batten [British Gypsum]
- SBC/AQ: With Approx Quantities
- SBC/Q: With Quantities
- SBC/XQ: Without Quantities
- SBC: Standard Building Contract
- SBCC: Scottish Building Contract Committee
- SBD: Secured by Design
- SBEM: Simplified Building Energy Model
- SBI.: I site of biological importance: Grade I
- SBI.: II site of biological importance: Grade II
- SBI: site of biological importance/site of borough importance
- SBP: Strategic Business Plan
- SBP: Sustainable Building Product
- SBP: Sustainable Buildings Philosophy
- SBS: Sick Building Syndrome
- SC: Safety Case
- SC: Sky Component
- SC: Solid Core, Short Circuit, Self Closing, Sill Cock
- SC: Spacer Clip
- SC: Starter Channel
- SC: Stop Cock
- SC: Sub Consultant
- SCA: SubContract Administrator
- SCBA: Self Contained Breathing Apparatus
- SCC: Safety Case Co-Ordinator
- SCC: Scheme for Construction Contracts
- SCC: Situations Co-Ordination Centre
- SCC: Stress-Corrosion Cracking
- SCD: Seat Cover Dispenser
- SCE: Safety Critical Element
- SCFT: Structural Clay Facing Tile
- SCH: Schedule
- SCHAM: Safety Case Handling and Assessment Manual
- SCHED: Schedule
- SCI: Site of Community Importance
- SCI: Statement of Community Involvement.
- SCIEP: Supply Chain Information Execution Plan (BIM)
- SCL: Sprayed Concrete Lining
- SCM: Supply Chain Management
- SCMI: Structures Condition Marking Index
- SCoP: Seasonal Coefficient of Performance
- SCOSS: Standing Committee On Structural Safety
- SCR: Safety Case Regulations
- SCR: Screen
- SCUP: Scupper
- SCWD: Solid Core Wood
- SD: Smoke Detector
- SD: Soap dispenser
- SD: Soap Dispenser
- SDA: Service Delivery Agreement
- SDG: Sustainable Development Goal
- SDK: Software Development Kit
- SDLT: Stamp Duty Land Tax
- SDS: Safety Data Sheet
- SDU: Sanitary Disposal Unit
- SE: Services Engineer
- SE: Social Enterprise
- SE: Societas Europaea
- SE: Structural Engineer
- SE: Systems Engineering
- SEAL: Sealant
- SEC: Second, Section, Secondary, Security System
- SECG: Specialist Engineering Contractors Group
- SECT: Section
- SECY: Secretary
- SED: Sewage Ejector Discharge
- SED: special engineering difficulties
- SEDBUK: Seasonal Efficiency of Domestic Boilers in the UK
- SEEBP: South East England Biodiversity Partnership
- SEER: Seasonal Energy Efficiency Ratio
- SEL: Select
- SELECT: Electrical Contractors Association of Scotland
- SELV: Safety Extra Low Voltage
- SEM: Scanning Electron Microscopy
- SEPA: Scottish Environmental Protection Agency
- SER: Senior Executive Responsible
- SERV: Service
- SEV: Sewage Ejector Vent
- SEV: Sex Entertainment Venue
- SevEx: Severity and Extent
- SF: Square Foot
- SF: Square Footage
- SF: Strip Footing
- SFA: Standard Form of Agreement / Appointment
- SFAIRP: So Far As Is Reasonably Practicable
- SFCA: Standard Form of Cost Analysis
- SFGL: Safety Glass
- SFM: Sustainable Forest Management
- SFQP: Short Form Quality Plan
- SFRA: Strategic Flood Risk Assessment
- SFRS: Scottish Fire and Rescue Service
- SFS: Steel Framing System
- SGAR: Stage gate assessment review
- SGEI: Services of General Economic Interest
- SGG: Structural Glazing Gasket
- SGHWR: Steam Generating Heavy Water Reactor
- SGS: Silicone Glazing Sealant
- SGSA: Supply of Goods and Services Act 1982
- SGV: Soil Guideline Values
- SH: Shelf, Sheet, Shower
- SHAD: Safety & Health Awareness Day
- SHE: Safety, Health & Environment (Rules)
- SHEQ: Safety, Health, Environment and Quality (Management/ Report)
- SHEVS: Smoke, Heat, Exhaust and Ventilation Systems
- SHGC: Solar Heat Gain Coefficient.
- SHMA: Strategic Houding Market Assessment.
- SHR: Shower
- SHS: Square Hollow Section
- SHT: Sheet
- SHTH: Sheathing
- SHTHG: Sheathing
- SHW: Specification for Highway Works
- SHWR: Shower
- SI: Le Système International d'Unités (The International System of Units)
- SI: Statutory Instrument
- SI: Systeme Internationale
- SIC: Standard Industrial Classification
- SID: Scope Interface Drawings
- SIG: Signal
- SIG: Super Insulated Glazing
- SIL: strategic industrial land
- SIM: Similar
- SIM: Structural Information Model
- Simply Supported
- SINC: site of importance for nature conservation
- SINCS: Sites of Importance for Nature Conservation
- SIP: Site Inspection Programme
- SIPs: Structural Insulated Panel system
- SIR: Specialist Inspection Report
- SIT: Strategic Infrastructure Tariff
- SJS: Silicone Joint Sealant
- SK: Sink
- SKL: Skylight
- SL: Siamese Line
- SL: Sill Level
- SL: Sky Light
- SL: Soffit Level
- SLA: Service Level Agreement
- SLA: special landscape area
- SLAM: Stop Look Assess Manage
- SLI: site of local importance
- SLINC: site of local importance for nature conservation
- SLOT: Slotted
- SLS: Serviceability Limit State / Service Limit State
- SLV: Sleeve
- SM: Site Manager
- SMART: Simple Multi-Attribute Rating Technique (value management)
- SMART: Specific, Measurable, Achievable, Realistic and Timebound
- SMC: Scheduled Monument Consent
- SMD LED: Surface-Mounted LED -
- SMD: soil moisture deficit
- SME: Small and Medium-Sized Enterprises
- SME's: Small and Medium Enterprises
- SMI: Site of Metropolitan Importance
- SMINC: Site of Metropolitan Importance for Nature Conservation
- SMM: Standard Method of Measurement
- SMM7: Standard Method of Measurement, 7th Edition
- SMP: Standard Method and Procedure
- SMP: Statutory Maternity Leave
- SMR: Scope and Methodology Report
- SMR: Senior Management Review
- SMR: Sites and Monuments Record
- SMS: Safety Management System
- SMT: Surface-Mount Technology
- SNA: Security Needs Assessment
- SNCI: Site of Nature Conservation Interest
- SND: Sanitary Napkin Dispenser
- SNGG: Sponge Neoprene Glazing Gasket
- SNICS: Sites of Nature Conservation Importance
- SNP: Satin Nickel Plated
- SNR: Sanitary Napkin Receptacle
- SNT: Sealant
- SNTB: Sub National Transport Body
- SO: Set Out
- SOA: Schedule of Accommodation
- SoFA: Statement of Funds Available
- SOI: Sustainability-Oriented Innovation
- SOL: Setting-Out Line
- SOL: Shortage Occupation List
- SOM: soil organic matter
- SOP: Setting-Out Point
- SOP: Summary of Proposals
- Sops: Standard Operating Procedures
- SoS: Secretary of State
- SOU: Separate Operational Units
- SoW: Scope of Works
- SoW: Summary of Works
- SP / ST: Sole proprietorship/sole trader
- SP: Shaver Point
- SP: Soil Pipe
- SP: Soil Pipe, Standpipe, Soundproof, Single Pole
- SPA: special protection area
- SPA: Special Protection Areas
- SPAB: Society for the Protection of Ancient Buildings
- SPC: Spacer
- SPC: Special Practice Consultant
- SPC: Special Purpose Company
- SPD: Strategic Planning and Development
- SPD: Sump Pump Discharge
- SPD: Supplementary Planning Document
- SPDT: Single Pole Double Throw
- SPDT: Single Pole Double Throw Switch
- SPE: Special Purpose Entity (company)
- SPEC: Specification
- SPEC: Specification, Specifications
- SPECS: Specifications
- SPG: Supplementary Planning Guidance
- SPI: Serious Professional Incompetence
- SPI: Single Project Insurance
- SPI: site pollution index
- SPK: Speaker
- SPL: Sound Pressure Level
- SPL: Special
- SPLR: Sprinkler
- SPM: Sprinkler Main
- SPP: Scottish Planning Policy
- SPP: Skim Coat Plaster Painted
- SPPI: Single Project Professional Indemnity insurance
- SPR: Standard percentage runoff
- SPRHOST: Standard percentage runoff derived using the HOST soil classification
- SPS: Stone Paving Slabs
- SPST: Single Pole Single Throw
- SPST: Single Pole Single Throw Switch
- SPT: Standard Penetration Test
- SPV: Special Purpose Vehicle / Special Project(s) Vehicle
- SPZ: source protection zone
- SQ: Square
- SQA: Suitably Qualified Acoustician
- SQL: Structured Query Language
- SQUIRE: Service Quality Inspection Regime
- SR: Stage Review
- SRA: Strategic Rail Authority
- SRC: Sulphate Resisting Cement
- SRHRV: Single Room Heat Recovery Ventilator
- SRM: Safety Risk Model
- SRN: Strategic Road Network
- SRO: Senior Responsible Owner
- SRPC: Sulphate-Resisting Portland Cement
- SRS: Strategic Route Section
- SRSCR: Safety Representatives and Safety Committees Regulations 1977
- Ss: Sections
- SS: Stainless Steel
- SS: Stainless Steel, Set Screw, Soil Stack, Service Sink, Slop Sink
- SS: Stereo Speaker
- SSD: Sub-soil Drain
- SS-DS: Schedule of Design Services
- SSG: Structurally Silicone Glazed
- SSGS: Silicone Structural Glazing Sealant
- SSHI: Soil Slope Hazard Index
- SSIP: Safety Schemes in Procurement
- SSK: Service Sink
- SSL: Structural Slab Level: the level at the top of the concrete slab
- SSL: Structure Surface Level
- SSME: Senior Structure Maintenance Engineer
- SSoS: Single Source of Truth
- SSoW: Safe System of Work
- SSPC: Super-Sulphated Portland Cement
- SS-RS: Schedule of Role Specifications
- SSS: Silicone Sanitary Sealant
- SSSI: Site of Specific Scientific Interest
- SSSO: Single Switched Socket Outlet
- SST: Stainless Steel
- SSTL: Stainless Steel
- ST W: Storm Water
- ST: Solar Thermal
- ST: Straight, Storm Water
- STA: Station
- STAGE: Safety Targeted Assessment via Gateway Evaluation
- STATS: various companies and agencies with legal rights to carry out certain development and highways works: e.g. utilities, telecoms and Network Rail
- STC: Sound Transmission Class
- STD: Standard
- STEEP: Socio-cultural, Technological, Economic, Environmental, Political
- STEEPLE: Social, Technological, Economic, Ethical, Political, Legislative, Environmental
- STEL: Short Term Exposure Limit
- STEM: Science, Technology, Engineering and Mathematics
- STEP: Sustainable Technologies Evaluation Program
- STEPS: Strategic Transfer of the Estate to the Private Sector
- STG: Storage, Seating
- STGG: Structural Glazing Gasket
- STGR: Stagger
- STIFF: Stiffener
- STK: Stack
- STL: Steel
- STM: Steam
- STO: Storage
- STOR: Storage
- STP: Standard Temperature & Pressure, Standpipe
- STP: Station Travel Plan
- STR: Straight (re-bars), Strainer, Structural, Starter
- STRL: Structural
- STRT: Straight
- STRUC: Structural
- STRUCT: Structural
- STRUCT: Structure
- STWY: Stairway
- SUCT: Suction
- SuDS: sustainable drainage system
- SUDS: Sustainable Urban Drainage Systems
- SUPP: Supplementary, Supplement
- SUPT: Superintendent
- SUR: Surface
- SUSP: Suspended, Suspend
- SV: Safety Relief Valve
- SV: Safety Valve
- SVOC: Semi-Volatile Organic Compound
- SVP: Soil Vent Pipe
- SW: Self Weight
- SW: Small Works
- SW: Stone Wall
- SW: Switch
- SWBD: Switchboard
- SWC: surface water crossing
- SWGR: Switchgear
- SWH: Solar Water Heating
- SWI: Solid Wall Insulation
- SWL: Safe Working Load
- SWL: Sound Power Level
- SWM: surface water management
- SWMP: Site Waste Management Plan
- SWOT: Swot Analysis: “Strenghts, Weaknesses, Opportunities, Threats”
- SWP: Safe Working Pressure
- SWSC: Short Wave Shading Coefficient
- SXZ: Point layer providing 1D-2D link within TUFLOW
- SY: Square Yard
- SYM: Symmetrical
- SYN: Synthetic
- SYS: System
- T&B: Top and Bottom
- T&G: Tongue & Groove
- T&G: Tongued and Grooved
- T&M: Taps and Mixers
- T&M: Time and Materials
- T&P: Temperature & Pressure Relief Valve
- T/: Top
- T: Tonne(s)
- T: Tread, Thermostat, Tee
- TA: Technical Advisor
- TA: To Above
- TA: To Above (services)
- TA: transport assessment
- TABS: Thermal Active Building System / Thermo Active Building System
- TAC: Task / Ambient Conditioning
- TAG: Technical Advisory Group
- TAN: Tangent
- TAN: Technical Advice Note
- TB: Tie Beam
- TB: To Below
- TB: Towel Bar
- TBA: To Be Arranged / Approved
- TBC: To Be Confirmed
- TBM: Temporary Bench Mark
- TBM: Temporary BenchMark
- TBM: Tunnel Boring Machine.
- TC: Top of Curb, Terracotta
- TC: Town council
- TCA: Transforming Construction Alliance
- TCB: Tension Control Bolt
- TCC: Technology and Construction Court
- TCLO: Telephone Closet
- TCMI: Tunnel Condition Marking Index
- TCPA: Town and Country Planning Association
- TCPSA: Town and Country Planning (Scotland) Act 1972
- TCQ: Time Cost Quality
- TCS: Terne Coated Stainless Steel
- TD: Trench Drain
- Tdb: Dry Bulb Temperature
- TDD: Tubular Daylight Devices (see daylight systems)
- TDS: Tenancy Deposit Scheme
- TDS: Total Dissolved Solids
- TEAM: Technically Evaluated Advisory Materials
- TEL CL: Telephone Closet
- TEL: Telephone
- TEMP: Temporary, Tempered, Temperature
- TEN: Temporary Event Notice
- TEN: Tenant
- TER: Target Emission Rate (see emission rates)
- TER: Terrazzo
- TERM: Terminal
- TERR: Terrazzo
- TET: Total Energy Transmittance
- TFA: Total Floor Area.
- TFC: Tapered Flange Channel
- TFEE: Target Fabric Energy Efficiency
- TFL: Thermally Fused Laminate
- tg: Globe Temperature.
- TG: Tongue and Groove
- TGL: Toggle
- TGWU: Transport and General Workers Union
- TGWU: Transport and General Workers' Union
- TH: Thermostat
- THI: Townscape Heritage Initiative
- THK: Thick
- THK: Thick, Thickness
- THKNS: Thickness
- THR: Threshold
- THRESH: Threshold
- THRM: Thermal
- THRMST: Thermostat
- THRU: Through
- TIA: Telecommunications Industry Association
- TIDP: Task Information Delivery Plan
- TIF: Tax Incremental Financing
- TIG: Tungsten Inert Gas
- TIM: Transparent Insulation Materials
- TIStructE: Technician of the Institution of Structural Engineers
- TKBD: Tackboard
- TL: Twist Lock (receptacle)
- TLT: Toilet
- TLTV: Timber Traceability & Traceability Verification
- TM: Traffic Management
- TMC: Total Material Consumption
- TMCSD: European Temporary or Mobile Construction Sites Directive
- TME: Track Maintenance Engineer
- TMICE: Technician Member of the Institution of Civil Engineers
- TMP: Thermal Mass Parameter
- TMR: Total Material Requirements
- TMV: Thermostatic Mixer Valve
- TO: Top of
- TOB: Top of Beam
- TOC: Top of Concrete
- TOC: total organic carbon
- TOC: Train Operating Company
- ToE: Terms (and Conditions) of Engagement
- TOF: Top of Footing
- TOL: Tolerance
- TOS: Top of Steel / Slab
- TOW: Top of Wall
- TOX: Toxicological Reports
- Tp(0): Time to peak of the instantaneous unit hydrograph
- TP: Thermoplastic
- TP: Toilet Paper Dispenser
- TP: Top of Pavement
- TP: Trial Pit
- TPD: Toilet paper Dispenser
- TPH: Toilet Paper Holder
- TPH: total petroleum hydrocarbon
- TPI: Tender Price Indices
- TPO: Thermoplastic Olefin
- TPO: Tree Preservation Order
- TPP: Timber Procurement Policy
- TPTN: Toilet Partition
- TQ: Technical Query
- TQ: Total Quality
- TR: Technology Readiness
- TR: Tread, Transom
- TRaCCA: Tomorrow's Railway and Climate Change Adaptation
- TRANS: Transformer, Translucent
- TRANSEC: TRANsport SECurity regulator
- TRAV: Travertine
- TRD: Tread
- TRM: Technical Reference Manual
- TRO: Traffic Regulation Order
- TRV: Thermostatic Radiator Valve
- TS: Time Switch
- TSA: Tenant Services Authority (now absorbed into Homes England)
- TSC: Term Services Contract
- TSC: Total Shading Coefficient.
- T-Sheet: Technical Reference Sheet
- TSL: Top of Slab
- TSR: time series rainfall
- TSS: total suspended solids
- TST: Top of Steel
- TSTAT: Thermostat
- TT: Terrazzo Tile, Traffic Topping
- TTC: Telephone Terminal Closet
- TTO: Temporary Traffic Order
- TTRO: Temporary Traffic Regulation Order
- TTWA: Travel To Work Area
- TU: Trade Union
- TUC: Trades Union Congress
- TUFLOW: Two-dimensional hydraulic modelling software built by BMT WBM
- TUPE: The Transfer of Undertakings (Protection of Employment) Regulations 1981
- TV: Television
- TVOC: Total Volatile Organic Compound (levels)
- TW: Thames Water
- TW: Top of Wall, Thin Wall (conduit), Tempered Water
- TWA: Time Waited Average
- TWA: Time-Weighted Average
- TWAO: Transport and Works Act order
- Twb: Wet Bulb Temperature
- TWC: Temporary Works Co-ordinator
- TWI: Training Within Industry
- TWR: Travelling Wave Reactor
- TWS: Temporary Works Supervisor
- TXV: Thermal Expansion Valve
- TYP: Typical
- TZ: Terrazzo
- U/S: Underside
- UA: Unit of Account
- UAD: Urban Archaeological Databases
- UB: Universal Beam
- UBC: Uniform Building Code
- UC: Undercut
- UC: Universal Column
- UCATT: Union of Construction, Allied Trades and Technicians
- UCC: Universal Copyright Convention
- UCITS: Undertakings for Collective Investment in Transferable Securities
- UCO: Town and Country (Use Classes) Order
- UCO: Use Classes Order
- UCTA: Unfair Contract Terms Act
- UCWI: urban catchment wetness index
- UDC: Universal Decimal Classification
- UDC: Urban District Council
- UDI: Useful Daylight Illuminance
- UDL: Uniformly Distributed Load
- UDP: Unitary Development Plan
- UEL: Upper Exposure Limit
- UF: Under Floor
- UF: Urea Formaldehyde
- UFAD: Underfloor Air Distribution
- UFAS: Unwanted Fire Alarm Signal
- UfH: Underfloor Heating
- UFS: Universal Frame System
- UH: Unit Heater
- UHI / UHIE: Urban Heat Island Effect
- UHPC: Ultra High-Performance Concrete / Ultra high performance fibre concrete.
- UK: United Kingdom
- UKAPIS: United Kingdom Air Pollution Information System
- UKAS: United Kingdom Accreditation Service
- UKCCRA: United Kingdom Climate Change Risk Assessment
- UKCG: UK Contractors Group
- UKCIP: United Kingdom Climate Impacts Programme
- UKCP: UK Climate Projections
- UKCP09: United Kingdom Climate Projections 2009
- UK-GBC: UK Green Building Council
- UKTA: UK Thermography Association
- UKWIR: UK Water Industry Research
- UL: Underwriters' Laboratories
- UL: Upper Level
- ULS: Ultimate Limit State
- UNEX: Unexcavated
- UNEXC: Unexcavated
- UNF: Unfinished
- UNFCCC: United Nations Framework Convention on Climate Change
- UNFIN: Unfinished
- Uniclass: Unified Classification for the Construction Industry
- UNO: Unless Noted Otherwise
- UON: Unless Otherwise Noted
- UP: Unpainted
- UP: Unsaturated Polyester (paint, powder coatings, & bituminous felt)
- UPC: Unacceptable Professional Conduct
- UPF: Uranium Processing Facility
- UPS: Uninterrupted Power Supply
- uPVC: Unplasticated Polyvinyl Chloride (rainwater, soil & waste pipes, & roof sheeting)
- UR: Urinal
- URBAN: Flood Studies Report index of fractional urban extent
- URBEXT1990: FEH index of fractional urban extent
- URBEXT2000: Revised index of urban extent, measured differently from URBEXT1990
- URF: User Related Function
- US: metric units of R-value
- US: Ultimate State
- USF: Usable Square Feet / Footage
- USFB: Ultra Shallow Floor Beam
- USG: United States Gauge, United States Gypsum Company
- USP: Unique Selling Point
- USS: United States Standard
- UST: Underground Storage Tank
- UT: Utility
- UTCCR: Unfair Terms in Consumer Contracts Regulations
- UTL: Unable To Lift
- UTL: Utility
- UTS: Ultimate Tensile Strength
- UV: Ultra Violet
- U-value: energy efficiency value of a material
- UWC: User Worked Crossing
- UWED: Use of Work Equipment Directive (EC)
- UWFS: Unwanted Fire Signal
- UXO: Unexploded Ordnance
- V/A: Visual Aid
- V: Volt, Valve, Vinyl, Vent, Ventilator
- VA: Value Analysis
- VA: Virtual Assistant
- VA: Volt Ampere
- VAC: Vacuum
- VACBR: Vacuum Breaker
- VAR: Varnish, Varies
- VAT: Value Added Tax
- VAT: Vinyl Asbestos Tile
- VAV: Variable Air Volume
- VAWT: Vertical Axis Wind Turbine
- VB: Vapor Barrier, Valve Box, Vinyl Base, Vacuum Breaker
- VBC: Vinyl Base (Coved)
- VBS: Vinyl Base (Straight)
- VC: Varnished Cambric
- VCD: Volume Control Damper
- VCL: Vapour Control Layer
- VCM: Vinyl Chloride Monomer
- VCP: Vitrified Clay Pipe
- VCP: Volume Change Potential (of ground clays)
- VCT: Vinyl Composition Tile
- VDU: Visual Display Unit
- VE: Value Engineering
- VEH: Vibration Energy Harvesters
- VENT: Ventilate, Ventilator
- VERT: Vertical
- VEST: Vestibule
- VET: Vocational Education and Training
- VF: Vinyl Fabric
- VFD: Variable Frequency Drive
- VFGT: Vinyl Foam Glazing Tape
- VFM/VfM: Value for Money
- VHR: Ventilation Heat Recovery
- VIF: Verify In Field
- VIF: Verify In the Field
- VIN: Vinyl
- VIT: Vitreous
- VLT: Vault
- VM: Value Management
- VMU: Vehicle Maintenance Unit
- VMU: Vertical Mixed Use
- VMU: Visual Mock-Up
- VNMS: Variable Wall Mining System
- VNR: Veneer
- VO: Variation Order
- VOC: Volatile Organic Compound
- VOL: Volume
- VP: Vacant Possession
- VP: Vapor Proof, Vent Pipe
- VP: Vent pipe
- VPA: Voluntary Partnership Agreement
- VPC: Veterinary Products Committee
- VPN: Virtual Private Network
- VPT: Vibration Panel Technology
- VR: Vapor Retarder, Vacuum Return, Vertical Riser
- VRF: Variable Refrigerant Flow
- VRM: Vermiculite
- VRMP: Value and Risk Management Protocol
- VRV: Variable Refrigerant Volume (condenser unit)
- VS: Vent Stack
- VSC: Voluntary Safety Cases
- VSD: Variable Speed Drive
- VST: Vicat Softening Temperature
- VT: Vinyl Tile
- VTG: Variable Transmission Glazing
- VTR: Vent Through Roof
- VWC: Vinyl Wall Covering
- VWF: Vibration White Finger
- W&M: Washburn & Moen Gauge
- W/: With
- W/O: Without
- W/W: Weight For Weight
- W: West, Width, Wide, Watt, Waste, Water, Water Main
- WA: Water Authority
- WAG: Welsh Assembly Government
- WAHR: Work At Height Regulations (2005)
- WAINS: Wainscot
- WAP: Wireless Access Point.
- WB: Welded Beam
- WB: Wet Bulb
- WB: Wood Base
- WBGT: Wet Bulb Globe Temperature
- WBP (ply): Water & Boil Proof (ply)
- WBP: Weather & Boil Proof
- WBS: Wood Burning Stove
- WBS: Work Breakdown Structure (NRM2)
- WC: Soil wetness class
- WC: Water Closet
- WC: Watercloset
- WC: Week Commencing
- WC: Welded Column
- WC: Wetness Class
- WCA: Wildlife and Countryside Act
- WCML: West Coast Main Line
- WCS: water cycle strategy(ies)
- WD: Wood
- WD: Working Drawing
- WDA: Writing Down Allowances (See Business Premises Renovation Allowance (BPRA))
- WDP: Wood, Painted
- WDSS: Wood, Stained & Sealed
- WDW: Window
- WE: Work Experience
- WebTAG: Web Transport Analysis Guidance
- WEC: Work of Engineering Construction
- WEL: Workplace Exposure Limits (See COSHH)
- WeLHAM: West London Highway Assessment Model
- WEMS: Wireless Energy Management Systems.
- WER: Window Energy Rating
- WF: Wide Flange (structural steel)
- WFD: Water Framework Directive
- WFS: Water Flow Switch
- WG: Wired Glass
- WG: Working Group
- WGCG: Warwickshire Geological Conservation Group
- WGL: Wire-Glass
- WH: Water Heater, Wall Hung, Wall Hydrant
- WHB: Wash Hand Basin
- WHCS: Welsh Housing Condition Survey
- WHO: World Health Organisation
- WHQS: Welsh Housing quality Standards
- WI: Work Instruction
- WI: Wrought Iron
- WID: Waste Incineration Directive
- WIMD: Welsh Index of Multiple Deprivation
- WIN: Window
- WIP: Work in Progress
- WIR: Walk In Robe
- WISER: Wellbeing: Improving Satisfaction of End users in Refurbishment
- WL: Wall Light
- WL: Water Level
- WLC: Whole Life Carbon
- WLC: Whole Life Costing / Cost
- WLR: Weekly Law Reports
- WM: Washing Machine
- WM: Wire Mesh, Water Meter
- WMF: Wire Mesh Fence
- WMIA: Woodworking Machinery Importers' Association
- WML: Wireless Markup Language
- WMS: Warehouse Management System
- WO: Welsh office
- WP: Waste Pipe
- WP: Waterproof, Working Point, Working Pressure, Weatherproof
- WP: Without prejudice
- WP: Word Processing
- WPC: Wood Plastic Composite
- WPF: Wooden Panel Fence
- WPQR: Welding Procedure Qualification Record
- WPR: Waterproofing
- WPS: Welding Procedure Specification
- WPT: Working Point
- WPZ: Water Protection Zone
- WR: Water Resistant, Water Repellant, Waste Receptacle
- WRA – Working Rule Agreement.
- WRA: Waste Regulation Authority
- WRAP: Waste & Resources Action Programme
- WRAP: Winter rainfall acceptance potential
- WRAS: Water Regulations Advisory Scheme
- WRD: Wardrobe
- WRRS: Work-Related Road Safety
- WRSTP: Weatherstripping
- WS: Weatherstripping, Water Stop
- WSCT: Wainscot
- WSHP: Water Source Heat Pump
- WSI: Written Scheme of Investigation
- WSN: Wireless Sensor Node
- WSUD: water sensitive urban design
- WT: Weight, Water Table, Watertight
- WTL: Water Technology List (see ECA Water Scheme)
- WVNR: Wood Veneer
- WVP: Waste Vent Pipe
- WW: Window Wall
- WWF: Welded Wire Fabric
- WWM Regs: The Woodworking Machines Regulations
- WWREA: Wire and Wire Rope Employers Association
- X HVY: Extra Heavy
- X STR: Extra Strong
- xBIM: eXtensible Building Information Modelling
- XCF: eXperimental Computing Facility
- XH: Extra Heavy
- XPS: Extruded Polystyrene
- XRD: X-Ray Diffraction
- YD: Yard
- YP: Young Person
- YR: Year
- YTS: Youth Training Scheme
- ZOI: Zone of Influence
- ZOPA: Zone of possible agreement
- ZTV: zone of theoretical visibility
Discussion