Construction Abbreviations
| 2-PSS: Two-Part Polysulfide Sealant | ||
| 2-PUMS: Two-Part Polyurethane Modified Sealant | ||
| @ At (the rate of) | ||
| & And | ||
| ” Inch; Ditto (which means “same as above”) | ||
| # Number. or Pound | ||
| [circle with diagonal slash through it] Diameter, Round, Phase | ||
| A: Area, Ampere; Acre; Alcove; Compressed Air Line | ||
| AB: Anchor Bolt; Asbestos Board | ||
| ABV: Above | ||
| AC: Air Conditioning, Alternating Current, Acoustical | ||
| ACC: Access | ||
| ACF: Architectural Concrete Finish | ||
| ACFL: Access Floor | ||
| ACI: American Concrete Institute | ||
| ACL: Across the Line | ||
| ACOUST: Acoustical | ||
| ACPL: Acoustical Plaster | ||
| ACR: Acrylic | ||
| ACST: Acoustic | ||
| ACT: Acoustical Tile; Actual | ||
| AD: Access Door, Area Drain | ||
| ADA: Americans with Disabilities Act of 1992 | ||
| ADAAG: Americans with Disabilities Act Architectural Guidelines | ||
| ADD: Addendum; Addition | ||
| ADDL: Additional | ||
| ADH: Adhesive | ||
| ADJ: Adjust, Adjustable, Adjacent | ||
| AF: Above the Floor | ||
| AFF: Above Finished Floor | ||
| AGA: American Gas Association | ||
| AGG: Aggregate | ||
| AGGR: Aggregate | ||
| AIA: American Institute of Architects, American Insurance Association | ||
| AIC: Amperes Interrupting Circuit | ||
| AIEE: American Institute of Electrical Engineers | ||
| AISC: American Institute of Steel Construction | ||
| AL: Aluminum | ||
| ALM: Alarm | ||
| ALT: Alternate, Alteration; Altitude | ||
| ALUM: Aluminum | ||
| ALS: Acrylic Latex Sealant | ||
| AMB: Ambient | ||
| AMP: Ampere, Ampacity | ||
| AMPY: Ampere | ||
| AMT: Amount | ||
| AN: Anode | ||
| ANCH: Anchor, Anchorage | ||
| ANN: Annunciator | ||
| ANOD: Anodized | ||
| ANT: Antenna | ||
| AP: Access Panel | ||
| APPD: Approved | ||
| APPROX: Approximate | ||
| APRVD: Approved | ||
| APT: Apartment | ||
| APX: Approximate | ||
| AR: Acid Resisting | ||
| ARCH: Architect, Architectural | ||
| ARS: Asbestos Roof Shingles | ||
| AS: Acoustic Sealant | ||
| ASB: Asbestos | ||
| ASC: Above Suspended Ceiling | ||
| ASCE: American Society of Civil Engineers | ||
| ASME: American Society of Mechanical Engineers | ||
| ASPH: Asphalt | ||
| ASSEM: Assemble | ||
| ASSOC: Association; Associate | ||
| ASSY: Assembly | ||
| ASTM: American Society for Testing and Materials | ||
| AT: Acoustical Tile; Asphalt Tile | ||
| ATC: Acoustical Tile Ceiling | ||
| ATTEN: Attenuation | ||
| ATM: Automatic Teller Machine; Atmospheric | ||
| AUTH: Authorized | ||
| AUTO: Automatic | ||
| AVG: Average | ||
| AW: Acid Waste | ||
| AWG: American Wire Gauge | ||
| AWM: Automatic Washing Machine | ||
| AWS: American Welding Society | ||
| AWWA: American Water Works Association | ||
| AX: Axis | ||
| B: Boiler, Bathroom, Bidet | ||
| B TO B: Back to Back | ||
| B & B: Balled and Burlapped, Bell and Bell | ||
| B & F: Bell and Flange | ||
| B & S: Bell and Spigot, Brown & Sharp | ||
| B/: Bottom (of) | ||
| BBD: Bulletin Board | ||
| BA: Bulb Angle | ||
| BAL: Balance, Ballast | ||
| BAF: Baffle | ||
| BB: Buffalo Box, Ball Bearing,, Bulletin Board | ||
| BBL: Barrel | ||
| BC: Broom Closet | ||
| BD: Board, Blow Down (pipe) | ||
| BDL: Bundle | ||
| BDY: Boundary | ||
| BDRM: Bedroom | ||
| BEL: Below | ||
| BET: Between | ||
| BETW: Between | ||
| BEV: Bevel | ||
| BF: Board Foot, Back Face, Bottom Face, Both Faces, Boiler Feed | ||
| BG: Bag (e.g., of cement) | ||
| BHP: Brake Horsepower | ||
| BHD: Bulkhead | ||
| BIT: Bituminous | ||
| BJF: Bituminous Joint Filler | ||
| BKR: Breaker | ||
| BL: Base Line, Building Line, Block | ||
| BLDG: Building | ||
| BLK: Block | ||
| BLKG: Blocking | ||
| BLO: Blower | ||
| BLR: Boiler | ||
| BLT: Borrowed Lite, Bullet Tips (Hinges) | ||
| BLT-IN: Built-In | ||
| BM: Beam, Bench Mark | ||
| BMT: Butyl Mastic Tape Sealant | ||
| BN: Bullnose | ||
| BNDG: Bending (re-bars) | ||
| BNT: Bent | ||
| BO: Blow Off | ||
| BOT: Bottom | ||
| BP: Base Plate, Blueprint, Bypass | ||
| BPL: Bearing Plate | ||
| BR: Bedroom, Brick, Brass, Boiler Room Branch | ||
| BRDG: Bridge, Bridging | ||
| BRG: Bearing | ||
| BRK: Brick | ||
| BRKR: Breaker | ||
| BRKT: Bracket | ||
| BRS: Butyl Rubber Sealant, Brass | ||
| BRZ: Bronze | ||
| BRZG: Brazing | ||
| BS: Both Sides, Backset, Bluestone | ||
| BSMT: Basement | ||
| BT: Bathtub, Bolt | ||
| BTR: Better | ||
| BTU: British Thermal Units | ||
| BTUH: British Thermal Units per Hour | ||
| BUR: Built-up Roof | ||
| BUZ: Buzzer | ||
| BV: Butterfly Valve | ||
| BVL: Bevelled | ||
| BW: Both Ways | ||
| BWV: Back Water Valve | ||
| BYP: By Pass | ||
| C: Courses, Curb, Channel, Degrees Celsius, Clock Outlet, Calcimine | ||
| C/C: Center to Center | ||
| C TO C: Center to Center | ||
| CA: Compressed Air | ||
| CAB: Cabinet | ||
| CAD: Cadmium, Computer-Aided Drafting | ||
| CAIS: Caisson | ||
| CAP: Capacity | ||
| CAR: Carpet | ||
| CARP: Carpenter | ||
| CAT: Catalog | ||
| CAV: Cavity | ||
| CB: Catch Basin, Concrete Block, | ||
| Cast Brass, Coal Bin | ||
| CBL: Concrete Block | ||
| CBX: Cast Box Strike | ||
| CC: Cubic Centimeter | ||
| CCT: Circuit | ||
| CCW: Counter Clockwise | ||
| CCTV: Closed Circuit TV | ||
| CD: Cold Drawn, Cadmium | ||
| CDS: Cold Drawn Steel | ||
| CEL: Cellar | ||
| CEM: Cement | ||
| CEM AB: Cement Asbestos Board | ||
| Cem P: Cement Water Paint | ||
| CER: Ceramic | ||
| CF: Cubic Feet | ||
| CFL: Counterflashing | ||
| CFM: Cubic Feet per Minute | ||
| CFS: Cubic Feet per Second | ||
| CFT: Cubic Foot | ||
| CG: Corner Guard | ||
| CH: Coat Hook | ||
| CHB: Chalk Board | ||
| CHR: Chilled Water Return | ||
| CHAM: Chamfer | ||
| CHAN: Channel | ||
| CHBD: Chalkboard | ||
| CHS: Chilled Water Supply | ||
| C.I.: Cast Iron | ||
| CI: Cast Iron | ||
| CIN BL: Cinder Block | ||
| CIP: Cast Iron Pipe, Cast-in-Place | ||
| CIR: Circle, Circular, Circuit | ||
| CIRC: Circumference | ||
| CISP: Cast Iron Soil/sewer Pipe | ||
| CITG: Clear Insulating Tempered Glass | ||
| CJ: Control Joint | ||
| CJF: Cork Joint Filler | ||
| CK: Caulking | ||
| CKT: Circuit | ||
| CL: Centerline, Clearance, Closing, Closure, Class, Closet | ||
| CLG: Ceiling | ||
| CLKG: Caulking | ||
| CLH: Clothes Line Hook | ||
| CLL: Contract Limit Line | ||
| CLO: Closet | ||
| CLP: Clamp | ||
| CLR: Clear | ||
| CLR OPG: Clear Opening | ||
| CLS: Closure | ||
| CM: Circular Mil (1/1000 inch), | ||
| Center Matched | ||
| CMP: Corrugated Metal Pipe | ||
| CMT: Ceramic Mosaic Tile | ||
| CMU: Concrete Masonry Unit | ||
| CMUP: Concrete Masonry Unit Painted | ||
| CND: Condition, Conduit | ||
| CNDS: Condensate | ||
| CNTR: Center, Counter | ||
| CNVR: Conveyor | ||
| COAX: Coaxial | ||
| C.O.: Cased Opening | ||
| CO: Company, Cleanout, Cased Opening, Cut Out | ||
| COD: Cleanout Door | ||
| CO & DP: Cleanout & Deck Plate | ||
| COEF: Coefficient | ||
| COL: Column | ||
| COM: Common | ||
| COMB: Combination, Combustion | ||
| COML: Commercial | ||
| COMM ED: Commonwealth Edison | ||
| COMP: Composition, Compressed | ||
| COMPO: Composition | ||
| COMPT: Compartment | ||
| CON: Construction | ||
| CONC: Concrete | ||
| CONCP: Concrete Painted | ||
| COND: Condenser, Conduit | ||
| CONN: Connection | ||
| CONST: Construction | ||
| CONSTR: Construction | ||
| CONT: Continuous, Continue, Control | ||
| CONTR: Contractor | ||
| CONV: Convector, Convenience | ||
| COP: Copper | ||
| COR: Corner, Corridor | ||
| CORR: Corridor, Corrugate | ||
| COV: Cover | ||
| CP: Cathodic Protection, Clothes Pole, Cesspool | ||
| CPE: Chlorinated Polyethylene | ||
| CPL: Cement Plaster | ||
| CPP: Cement Plaster Painted | ||
| CPR: Copper | ||
| CPT: Carpet | ||
| CR: Chromium (plated), Curtain Rod | ||
| CRPT: Carpet | ||
| CRS: Course, Cold Rolled Steel | ||
| CS: Countersink, Cast Steel, Cast Stone, Commercial Standard | ||
| CSG: Casing | ||
| CSK: Countersink | ||
| CSMT: Casement | ||
| CSN: Caisson | ||
| CSS: Countersunk Screw | ||
| CSTG: Casting | ||
| CT: Ceramic Tile, Cork Tile, | ||
| Cone Tip (hinges) | ||
| CTD: Coated | ||
| CTR: Center, Counter | ||
| CTSC: Communications Systems Terminal Cabinet | ||
| CTSK: Countersunk | ||
| CTWT: Counterweight | ||
| CU: Copper, Cubic, Coefficient of Utilization | ||
| CU. FT.: Cubic Feet | ||
| CU. YD.: Cubic Yard | ||
| CUR: Current | ||
| CV: Check Valve | ||
| CW: Clockwise, Cold Water | ||
| CWP: Circulating Water Pump | ||
| CWR: Condensate Waste Return | ||
| CWS: Condensate Waste Supply | ||
| CY: Cubic Yard, Cycle | ||
| CYL: Cylinder | ||
| CYL L: Cylinder Lock | ||
| D: Deep, Depth, Drop, Drain | ||
| D & M: Dressed & Matched | ||
| DA: Double Acting | ||
| DB: Decibel | ||
| DBL: Double | ||
| DBT: Drybulb Temperature | ||
| DC: Direct Current | ||
| DCV: Detector Check Valve | ||
| DD: Driveway Drain, Deck Drain | ||
| DEG: Degree | ||
| DEGC: Degree Celcius | ||
| DEGF: Degree Farenheit | ||
| DEM: Demolish | ||
| DEMO: Demolition | ||
| DEP: Dpressed | ||
| DEPT: Department | ||
| DET: Detail | ||
| DF: Drinking Fountain | ||
| DH: Double Hung | ||
| DIAG: Diagonal | ||
| DIA: Diameter | ||
| DIAM: Diameter | ||
| DIFF: Diffuser | ||
| DIM: Dimension | ||
| DISL: Disposal | ||
| DISP: Dispenser | ||
| DIV: Division | ||
| DL: Dead Load | ||
| DMH: Drop Manhole | ||
| DMT: Demountable | ||
| DN: Down | ||
| DO: Ditto, or Door Opening | ||
| DP: Dampproofing, Dew Point, Distribution Panel | ||
| DPDT: Double Pole Double Throw | ||
| DPST: Double Pole Single Throw | ||
| DPR: Damper | ||
| DR: Door, Drain, Dining Room | ||
| DRBD: Drainboard | ||
| DS: Downspout, Disconnect Switch, Door Switch | ||
| DSP: Dry Standpipe | ||
| DT: Drain Tile | ||
| DTL: Detail | ||
| DVTL: Dovetail | ||
| DW: Dumbwaiter, Distilled Water | ||
| DWG: Drawing | ||
| DWGS: Drawings | ||
| DWL: Dowel | ||
| DWP: Drywall, Painted | ||
| DWR: Drawer | ||
| DS: Downspout | ||
| DSP: Dry Standpipe | ||
| DX: Direct Expansion, Duplex | ||
| E: East, Enamel, Exhaust | ||
| E TO E: End to End | ||
| EA: Each | ||
| EB: Expansion Bolt | ||
| EC: Exposed Construction | ||
| ECC: Eccentric | ||
| ECP: Exposed Construction Painted | ||
| EDR: Equivalent Direct Radiation | ||
| EE: Each End | ||
| EF: Each Face | ||
| EFTS: Expanding Foam Tape Sealant | ||
| EG: Edge Grain | ||
| EIFS: Exterior Insulation and Finish System | ||
| EJ: Expansion Joint | ||
| EJECT: Ejector | ||
| EL: Elevation, Elevator | ||
| ELB: Elbow | ||
| ELEC: Electrical | ||
| ELECT: Electrical | ||
| ELEV: Elevator, Elevation | ||
| ELP: Emergency Lighting Panel | ||
| EM: Emergency | ||
| EMER: Emergency | ||
| ENAM: Enamel | ||
| ENCL: Enclosure | ||
| ENG: Engineer | ||
| ENGR: Engineer | ||
| ENJF: Expanded Neoprene Joint Filler | ||
| ENT: Entrance | ||
| ENTR: Entrance | ||
| EP: Electrical Panelboard, Explosion Proof | ||
| EPDM: Ethylene Propylene Diene Monomer | ||
| EPJF: Expanded Polyethelene Joint Filler | ||
| EQ: Equal | ||
| EQP: Equipment | ||
| EQPT: Equipment | ||
| EQUIP: Equipment | ||
| ERP: Emergency Receptacle Panel | ||
| ESC: Escalator | ||
| EST: Estimate | ||
| EVAP: Evaporator | ||
| EW: Each Way | ||
| EWC: Electric Water Cooler | ||
| EW & C: Electric Wiring and Communication | ||
| EWH: Electric Water Heater | ||
| EX: Exposed Construction, Exit | ||
| EXC: Excavate | ||
| EXCAV: Excavate | ||
| EXEC: Executive | ||
| EXG: Existing | ||
| EXH: Exhaust | ||
| EXH AIR: Exhaust Air | ||
| EXIST: Existing | ||
| EXP: Expansion, Exposed | ||
| EXPN: Expansion | ||
| EXPP: Existing Patched and Painted | ||
| EXS: Extra Strong | ||
| EXT: Exterior, Extinguish | ||
| EXTR: Extrude | ||
| F: Degrees Fahrenheit, Fuse | ||
| F TO F: Face to Face | ||
| FA: Fire Alarm, Fresh Air | ||
| FAB: Fabricate | ||
| FABR: Fabricate | ||
| FACP: Fire Alarm Control Panel | ||
| FAG: Fire Alarm Gong | ||
| FAO: Finish All Over | ||
| FAR: Floor Area Ratio | ||
| FAST: Fastener, Fasten | ||
| FB: Flat Bar, Face Brick, Floor Box | ||
| FBD: Fiberboard | ||
| FBM: Foot Board Measure | ||
| FBP: Fabric Panel | ||
| FBRK: Fire Brick | ||
| FC: File Cabinet, Foot Candle, Fault Current | ||
| FD: Floor drain | ||
| FDC: Fire Department Connection | ||
| FDN: Foundation | ||
| FDTN: Foundation | ||
| FE: Fire Extinguisher | ||
| FEC: Fire Extinguisher Cabinet | ||
| FF: Far Face, Finished Floor, Factory Finish | ||
| FFE: Finished Floor Elevation | ||
| FF&E: Fixtures, Furnishings & Equipment | ||
| FFL: Finished Floor Line | ||
| FGL: Fiberglass | ||
| FGR: Fiberglass reinforced | ||
| 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 | ||
| FIL: Fillet | ||
| FIN: Finish, finished | ||
| FITG: Fitting | ||
| FIX: Fixture | ||
| FIXT: Fixture | ||
| FL: Floor, Fire Line | ||
| FLASH: Flashing | ||
| FLG: Flooring | ||
| FLEX: Flexible | ||
| FLG: Flange, Flashing, Flooring | ||
| FLR: Floor | ||
| FLUOR: Fluorescent | ||
| FLX: Flexible | ||
| FM: Fire Main, Factory Mutual Company | ||
| FND: Feminine Napkin Dispenser, Foundation | ||
| FO: Finished Opening | ||
| FOB: Free On Board | ||
| FOC: Face of Concrete | ||
| FOF: Face of Finish | ||
| FOS: Face of Studs | ||
| FP: Fireproof | ||
| FPL: Fireplace | ||
| FPM: Feet per minute | ||
| FPRF: Fireproof | ||
| FPS: Feet per Second | ||
| FR: Frame, Front, Fire Riser | ||
| FRG: Forged | ||
| FRM: Frame | ||
| FRPF: Fireproof | ||
| FRT: Fire Retardant | ||
| FS: Full Size, Far Side, Federal Standards, Fused Switch, Floor Sink | ||
| FSCW: Flush Solid Core Wood | ||
| FT: Foot, Feet, Fully Tempered | ||
| FTG: Footing, Fitting | ||
| FUR: Furred | ||
| FURN: Furnish, Furniture | ||
| FURR: Furring | ||
| FUT: Future | ||
| FVC: Fire Valve Cabinet | ||
| G: Gas, Girder, Gutter, Gram | ||
| GA: Gauge, Gage | ||
| GAGE: Gauge | ||
| GAL: Gallon | ||
| GALV: Galvanized | ||
| GB: Grab Bar, Glass Block, Gypsum Board | ||
| GC: General Contractor | ||
| GCMU: Glazed Concrete Masonry Unit | ||
| GD: Guard, Grade, Gutter Drain | ||
| GEN: General, Generator | ||
| GENL: General | ||
| GF: Ground Face | ||
| GFCI: Ground Fault Circuit Interrupted | ||
| GFI: Ground Fault Interrupted | ||
| GFRC: Glass Fiber Reinforced Concrete | ||
| GI: Galvanized Iron | ||
| GKT: Gasket | ||
| GL: Glass | ||
| GL BLK: Glass Block | ||
| GLB: Glass Block | ||
| GLVA: Globe Valve | ||
| GLZ: Glaze | ||
| GMU: Glazed Masonry Unit | ||
| GND: Ground | ||
| GOVT: Government | ||
| GP: Galvanized Pipe | ||
| GPDW: Gypsum Drywall | ||
| GPH: Gallons Per Hour | ||
| GPL: Gypsum Lath | ||
| GPM: Gallons Per Minute | ||
| GPP: Gypsum Plaster Painted | ||
| GPPL: Gypsum Plaster | ||
| GPS: Gallons Per Second | ||
| GR: Grade, Grille, Granite | ||
| GRAN: Granular, Granite | ||
| GRND: Ground | ||
| GRTG: Grating | ||
| GSS: Galvanized Sheet Steel | ||
| GSU: Glazed Structural Unit | ||
| GT: Grout | ||
| GV: Galvanized | ||
| GVA: Gate Valve | ||
| GVL: Gravel | ||
| GYP: Gypsum | ||
| GYP BD: Gypsum Board | ||
| H: High | ||
| HA: Hectare | ||
| HB: Hose Bib | ||
| HBD: Hardboard | ||
| HC: Hollow Core, Handicapped (better called Accessible”) | ||
| HCT: Hollow Clay Tile | ||
| HD: Head, Heavy Duty | ||
| HDCP: Handicapped (better called “Accessible”) | ||
| HDN: Harden | ||
| HDR: Header | ||
| HDW: Hardware | ||
| HDWD: Hardwood | ||
| HDWE: Hardware | ||
| HEX: Hexagonal | ||
| HGR: Hanger | ||
| HGT: Height | ||
| HH: Handhole | ||
| HHMB: Hex Head Machine Bolt | ||
| HID: High Intensity Discharge | ||
| HK: Hook or Hooks | ||
| HKD: Hooked (re-bars) | ||
| HL: Hydrant Line | ||
| HM: Hollow Metal | ||
| HMP: Hollow Metal, Painted | ||
| HNCG: Hollow Neoprene Compression Gasket | ||
| HOR: Horizontal | ||
| HORIZ: Horizontal | ||
| HOSP: Hospital | ||
| HP: High Point, High Pressure, Horse Power | ||
| HPS: High Pressure Sodium, High Pressure Steam | ||
| HR: Hour | ||
| HRS: Hot Rolled Steel, Hours | ||
| HS: Heat Strengthened | ||
| HSG: Housing | ||
| HT: Height, Heat, High Tension Duct | ||
| HTG: Heating | ||
| HTR: Heater | ||
| HTW: High Temperature Water | ||
| HV: High Voltage | ||
| HVAC: Heating, Ventilating & Air Conditioning | ||
| HVY: Heavy | ||
| HW: Hot Water, Heavy Wall | ||
| HWC: Hot Water Circulating, Heavy Wall Conduit | ||
| HWD: Hardwood | ||
| HWH: Hot Water Heater | ||
| HWR: Hot Water Recirculating Return | ||
| HWS: Hot Water Supply | ||
| HWY: Highway | ||
| HYD: Hydraulic | ||
| HYDRO: Hydrostatic | ||
| HZ: Hertz (Cycles Per Second) | ||
| I: Iron, Current (electrical) | ||
| IBV: Indicating Butterfly Valve | ||
| IC: Interrupting Capacity | ||
| ID: Inside Diameter | ||
| IE: Invert Elevation | ||
| ILK: Interlock | ||
| IMH: Inlet Manhole | ||
| IN: Inch | ||
| INC: Incandescent | ||
| INCAND: Incandescent | ||
| INCIN: Incinerator | ||
| INCL: Incline, Include | ||
| INCR: Increase | ||
| INFO: Information | ||
| INS: Insulate, Insulation | ||
| INSP: Inspect | ||
| INSTL: Install | ||
| INSUL: Insulation | ||
| INT: Interior, Internal | ||
| INTERM: Intermediate | ||
| INTM: Intermediate | ||
| INV: Invert | ||
| IP: Iron Pipe | ||
| IPS: Iron Pipe Size | ||
| IW: Indirect Waste | ||
| J: Joist | ||
| J-BOX: Junction Box | ||
| JAN: Janitor | ||
| JB: Junction Box | ||
| JC: Janitor’s Closet | ||
| JCT: Junction | ||
| JF: Joint Filler | ||
| JST: Joist | ||
| JT: Joint | ||
| K: Kilopound (1000 pounds), Kelvin (temperature) | ||
| KAL: Kalamein | ||
| KCP: Keene’s Cement Plaster | ||
| KG: Kilogram | ||
| KIP: Kilopound (1000 pounds) | ||
| KIT: Kitchen | ||
| KM: Kilometer | ||
| KO: Knockout | ||
| KP: Kickplate | ||
| KPL: Kickplate | ||
| KS: Kitchen Sink | ||
| KVA: Kilovolt-Ampere | ||
| KW: Kilowatt | ||
| KWH: Kilowatt Hour | ||
| KWHR: Kilowatt Hour | ||
| L: Angle, Left, Length, Lighting Panel, Long, Line | ||
| LA: Landscape Architect, Lightning Arrester | ||
| LAB: Laboratory, Labor | ||
| LAD: Ladder | ||
| LAM: Laminate, Laminated | ||
| LAT: Lateral | ||
| LAV: Lavatory | ||
| LB: Pound (weight), Lag Bolt | ||
| LBL: Label | ||
| LBR: Lumber | ||
| LC: Light Control, Lead Covered | ||
| LCD: Liquid Crystal Diode | ||
| LCL: Linen Closet | ||
| LCM: Lead Coated Metal | ||
| LD: Leader Drain | ||
| LH: Left Hand | ||
| LIB: Library | ||
| LIBR: Library | ||
| LIN: Linear | ||
| LINO: Linoleum | ||
| LIQ: Liquid | ||
| LKR: Locker | ||
| LL: Live Load | ||
| LMS: Limestone | ||
| LN: Length | ||
| LNDG: Landing | ||
| LNTL: Lintel | ||
| LOC: Locate | ||
| LOCS: Locations | ||
| LP: Low Point, Low Pressure, Lighting Panel, Light Proof | ||
| LPS: Low Pressure Sodium, Low Pressure Steam | ||
| LR: Living Room | ||
| LS: Limestone, Loud Speaker | ||
| LT: Light, Low Tension Duct, Laundry Tray | ||
| LTG: Lighting | ||
| LTL: Lintel | ||
| LT WT: Lightweight | ||
| LV: Low Voltage | ||
| LVR: Louver | ||
| LW: Light Weight | ||
| LWC: Light Weight Concrete | ||
| LWDP: Louvered Wood Door, Painted | ||
| M: Meter, Motor, Thousand (brick), Bending Moment | ||
| MACH: Machine | ||
| MAINT: Maintenance | ||
| MAN; Manual | ||
| MAR: Marble | ||
| MARB: Marble | ||
| MAS: Masonry | ||
| MAT: Material | ||
| MATL: Material | ||
| MAX: Maximum | ||
| MB: Mail Box, Machine Bolt, Mop Basin | ||
| MC: Medicine Cabinet, Mineral Core | ||
| MCC: Motor Control Center | ||
| MCM: Thousand Circular Mils (electrical wire size) | ||
| ME: Mechanical Engineer | ||
| MECH: Mechanical | ||
| MED: Medium | ||
| MED CAB: Medicine Cabinet | ||
| MEMB: Membrane | ||
| MERC: Mercury Vapor | ||
| MET: Metal | ||
| MEZZ: Mezzanine | ||
| MFD: Manufactured, Metal Floor Deck | ||
| MFG: Manufacturer, Manufacturing | ||
| MFR: Manufacture, Manufacturer | ||
| MH: Manhole | ||
| MI: Malleable Iron, Miles | ||
| MIKE: Microphone | ||
| MIN: Minimum | ||
| MIR: Mirror | ||
| MISC: Miscellaneous | ||
| MK: Mark | ||
| ML&P: Metal Lath & Plaster | ||
| MLD: Molding | ||
| MLDG: Molding | ||
| MM: Millimeter | ||
| MMB: Membrane | ||
| MO: Masonry Opening | ||
| MOD: Module | ||
| MONO: Monolithic | ||
| MOV: Movable | ||
| MP: Metal Acoustal Panel | ||
| MPS: Medium Pressure Steam | ||
| MR: Mop Receptor | ||
| MRD: Metal Roof Deck | ||
| MT: Mount, Mounted | ||
| MTD: Mounted | ||
| MTL: Material, Metal | ||
| MTR: Motor | ||
| MUL: Mullion | ||
| MULL: Mullion | ||
| MV: Mercury Vapor | ||
| MWP: Maximum Working Pressure | ||
| MWK: Millwork | ||
| N: North, Nitrogen | ||
| NAP: Napkin | ||
| NAT: Natural | ||
| NATL: Natural | ||
| NB: “Nota Bene” Latin phrase for “Take Special Note” | ||
| NC: Normally Closed, Noise Criteria | ||
| NEC: National Electrical Code | ||
| NEUT: Neutral | ||
| NF: Near Face | ||
| NFWH: Non-freeze Wall Hydrant | ||
| NI: Nickel | ||
| NIC: Not In Contract | ||
| NK: Neck | ||
| NMT: Non-Metallic | ||
| NO: Number, Normally Open | ||
| NOM: Nominal | ||
| NR: Noise Reduction | ||
| NRC: Noise Reduction Coefficient | ||
| NRP: Non-Removable Pin | ||
| NRS: Non Rising Steam Valve | ||
| NS: Near Side | ||
| NTS: Not To Scale | ||
| O: Oxygen | ||
| O TO O: Out to Out | ||
| OA: Outside Air, Overall | ||
| OB: Obscure | ||
| OBS: Obscure | ||
| OC: On Center | ||
| OD: Outside Diameter | ||
| OF: Outside Face | ||
| OFF: Office | ||
| OH: Overhead | ||
| OHD: Overhead Door | ||
| OHMS: Oval Head Machine Screw | ||
| OHWS: Oval Head Wood Screw | ||
| OI: Ornamental Iron | ||
| OP: Opaque | ||
| OPG: Opening | ||
| OPNG: Opening | ||
| OPP: Opposite | ||
| OPP H: Opposite Hand | ||
| OR: Outside Radius | ||
| ORN: Ornamental | ||
| OSD Open Sight Drain | ||
| OS&Y: Outside Screw & Yoke (valve) | ||
| OUT: Outlet | ||
| OVFL: Overflow | ||
| OW: Open Waste | ||
| OZ: Ounce | ||
| P: Pitch, Power Panel, Paint | ||
| P. LAM: Plastic Laminate | ||
| P SL: Pipe Sleeve | ||
| PA: Public Address | ||
| PAF: Powder Actuated Fasteners | ||
| PAR: Parallel | ||
| PARTN: Partition | ||
| PASS: Passage, Passenger | ||
| PB: Pull Box, Push Button, Panic Bar | ||
| PBD: Particle Board | ||
| PBMT: Preshimmed Butyl Mastic Sealant Tape | ||
| PB STA: Push Button Station | ||
| PC: Pull Chain, Piece, Precast Concrete | ||
| PCF: Pounds per cubic foot | ||
| PCPL: Portland Cement Plaster | ||
| PD: Pump Discharge, Plaza Drain | ||
| PDP: Paneled Door, Painted | ||
| PE: Porcelain Enamel, Professional Engineer | ||
| PED: Pedestal, Pedestrian | ||
| PERF: Perforate, Performance | ||
| PERIM: Perimeter | ||
| PERP: Perpendicular | ||
| PFN: Prefinished | ||
| PG: Pressure Gauge | ||
| PH: Phase, Preheat, Phone | ||
| PIV: Pivoted, Post Indicator Valve | ||
| PJF: Preformed Joint Filler | ||
| PKG: Parking | ||
| PKWY: Parkway | ||
| PL: Plate, Plan, Property Line, Plastic Laminate, Plastic | ||
| PLAS: Plaster, Plastic | ||
| PLAS LAM: Plastic Laminate | ||
| PLBG: Plumbing | ||
| PLF: Pounds Per Lineal Foot | ||
| PLG: Plumbing | ||
| PLMBG: Plumbing | ||
| PLTF: Platform | ||
| PLWD: Plywood | ||
| PLYWD: Plywood | ||
| PLUMB: Plumbing | ||
| PNEU: Pneumatic | ||
| PNL: Panel | ||
| PNT: Paint | ||
| POL: Polish, Polished | ||
| PORC: Porcelain | ||
| PORT: Portable | ||
| POT W: Potable Water | ||
| PP: Plaster, Painted, Power Panel, Precast Panel | ||
| PR: Pair | ||
| PRC: Precast | ||
| PRCST: Precast | ||
| PRE: Prefinished | ||
| PREFAB: Prefabricated | ||
| PRES: Pressure | ||
| PRESS: Pressure | ||
| PRF: Preformed | ||
| PRFMD: Preformed | ||
| PRI: Primary | ||
| PRMLD: Premolded | ||
| PROT: Protection, Protective | ||
| PRSTR: Prestressed | ||
| PRTN: Partition | ||
| PRV: Pressure Reducing Valve | ||
| PS: Plumbing Stack | ||
| PSC: Prestressed Concrete | ||
| PSF: Pounds per square foot | ||
| PSI: Pounds per square inch | ||
| PSIG: Pounds per square inch gage | ||
| PT: Paint, Point, Part, Potential Transformer | ||
| PTC: Post-Tensioned Concrete | ||
| PTD: Painted, Paper Towel Dispenser | ||
| PTD/R: Combination Paper Towel Dispenser/Receptacle | ||
| PTN: Partition | ||
| PTR: Paper Towel Receptacle | ||
| PV: Paving | ||
| PVC: Polyvinyl Chloride | ||
| PVF: Polyvinylidene Finish | ||
| PVG: Paving | ||
| PVMT: Pavement | ||
| PVT: Private | ||
| PW: Pass Window | ||
| PWR: Power | ||
| QUAL: Quality | ||
| QUANT: Quantity | ||
| QT: Quarry Tile, Quart | ||
| QTR: Quarter | ||
| QTY: Quantity | ||
| R: Riser, Radius, Resistance, Relay Panel | ||
| R & S: Rod and Shelf | ||
| RA: Return Air, Registered Architect | ||
| RAD: Radius, Radiator | ||
| RADN: Radian | ||
| RB: Rubber, Rubber Base, Resilient Base | ||
| RBC: Rubber Base (Coved), | ||
| Rubberized Bituminous Compound | ||
| RBS: Rubber Base (Straight) | ||
| RBT: Rabbet | ||
| RCF: Raised Computer Floor | ||
| RCP: Reflected Ceiling Plan, Reinforced Concrete Pipe | ||
| RD: Roof Drain, Round, Receptacle Distribution Panel | ||
| REBAR: Reinforcing Bar | ||
| REC: Receiver | ||
| RECEP: Receptacle | ||
| RECP: Receptacle | ||
| RED: Reducer | ||
| REF: Refer, Reference, Refrigerator | ||
| REFL: Reflected, Reflector | ||
| REFR: Refrigerate, Refrigerator | ||
| REG: Register, Regular | ||
| REINF: Reinforcement, or Reinforce | ||
| REM: Remove, Removable | ||
| REQ: Require, Required | ||
| REQD: Required | ||
| RES: Resilient | ||
| RESIL: Resilient | ||
| REST: Resistance | ||
| RET: Return, Retaining | ||
| RETG: Retaining | ||
| REV: Reverse, Revise, Revision | ||
| REV DR: Revolving Door | ||
| RF: Roof | ||
| RG: Radio Guide | ||
| RFG: Roofing | ||
| RGTR: Register | ||
| RGH: Rough | ||
| RGH OPNG:Rough Opening | ||
| RH: Right Hand, Reheat, Relative Humidity | ||
| RHC: Reheat Coil | ||
| RHMS: Round Head Machine Screw | ||
| RHR: Right Hand Reverse, Reheater | ||
| RHWS: Round Head Wood Screw | ||
| RM: Room | ||
| RMS: Root Mean Squared | ||
| RMV: Remove | ||
| RN: Riser Nipple | ||
| RO: Rough Opening | ||
| ROB: Rod Out Basin | ||
| ROW: Right of Way | ||
| RPM: Revolutions Per Minute | ||
| RPT: Repeat (like “Ditto”) | ||
| RR: Railroad | ||
| RT: Rubber Tile, Right | ||
| RTR/RR Rubber Tread/Rubber Riser | ||
| RVS: Reverse Side | ||
| RVT: Rivet | ||
| RW: Redwood | ||
| RWC: Rain Water Conductor | ||
| RWD: Redwood | ||
| RWL: Rain Water Leader | ||
| S: South, Sealant, Supply, Sink | ||
| S4S: Surfaced 4 Sides | ||
| S&M: Surfaced & Matched | ||
| S&S: Stained & Sealed | ||
| S&V: Stain & Varnish | ||
| SACT: Suspended Acoustical Tile | ||
| SALV: Salvage | ||
| SAN: Sanitary | ||
| SB: Setting Basin, Splash Block | ||
| SC: Solid Core, Short Circuit, Self Closing, Sill Cock | ||
| SCD: Seat Cover Dispenser | ||
| SCFT: Structural Clay Facing Tile | ||
| SCH: Schedule | ||
| SCHED: Schedule | ||
| SCR: Screen | ||
| SCUP: Scupper | ||
| SCWD: Solid Core Wood | ||
| SD: Soap Dispenser | ||
| SE: Structural Engineer | ||
| SEAL: Sealant | ||
| SEC: Second, Section, Secondary, Security System | ||
| SECT: Section | ||
| SECY: Secretary | ||
| SED: Sewage Ejector Discharge | ||
| SEL: Select | ||
| SERV: Service | ||
| SEV: Sewage Ejector Vent | ||
| SF: Square Foot | ||
| SFGL: Safety Glass | ||
| SGG: Structural Glazing Gasket | ||
| SGS: Silicone Glazing Sealant | ||
| SH: Shelf, Sheet, Shower | ||
| SHR: Shower | ||
| SHT: Sheet | ||
| SHTH: Sheathing | ||
| SHTHG: Sheathing | ||
| SHWR: Shower | ||
| SIG: Signal | ||
| SIM: Similar | ||
| SJS: Silicone Joint Sealant | ||
| SK: Sink | ||
| SKL: Skylight | ||
| SL: Siamese Line | ||
| SLOT: Slotted | ||
| SLV: Sleeve | ||
| SND: Sanitary Napkin Dispenser | ||
| SNGG: Sponge Neoprene Glazing Gasket | ||
| SNR: Sanitary Napkin Receptacle | ||
| SNT: Sealant | ||
| SP: Soil Pipe, Standpipe, Soundproof, Single Pole | ||
| SPC: Spacer | ||
| SPD: Sump Pump Discharge | ||
| SPDT: Single Pole Double Throw | ||
| SPEC: Specification, Specifications | ||
| SPECS: Specifications | ||
| SPK: Speaker | ||
| SPL: Special | ||
| SPLR: Sprinkler | ||
| SPM: Sprinkler Main | ||
| SPP: Skim Coat Plaster Painted | ||
| SPST: Single Pole Single Throw | ||
| SQ: Square | ||
| SS: Stainless Steel, Set Screw, Soil Stack, Service Sink, Slop Sink | ||
| SSD: Sub-soil Drain | ||
| SSGS: Silicone Structural Glazing Sealant | ||
| SSK: Service Sink | ||
| SSS: Silicone Sanitary Sealant | ||
| SST: Stainless Steel | ||
| ST: Straight, Storm Water | ||
| STA: Station | ||
| STC: Sound Transmission Class | ||
| STD: Standard | ||
| 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 | ||
| STR: Straight (re-bars), Strainer, Structural, Starter | ||
| STRL: Structural | ||
| STRT: Straight | ||
| STRUC: Structural | ||
| STRUCT: Structural | ||
| ST W: Storm Water | ||
| STWY: Stairway | ||
| SUCT: Suction | ||
| SUPP: Supplementary, Supplement | ||
| SUPT: Superintendent | ||
| SUR: Surface | ||
| SUSP: Suspended, Suspend | ||
| SV: Safety Relief Valve | ||
| SW: Switch | ||
| SWBD: Switchboard | ||
| SWGR: Switchgear | ||
| SY: Square Yard | ||
| SYM: Symmetrical | ||
| SYN: Synthetic | ||
| SYS: System | ||
| T: Tread, Thermostat, Tee | ||
| T/: Top | ||
| T&B: Top and Bottom | ||
| T&G: Tongue & Groove | ||
| T&P: Temperature & Pressure Relief Valve | ||
| TAN: Tangent | ||
| TB: Towel Bar | ||
| TC: Top of Curb, Terracotta | ||
| TCLO: Telephone Closet | ||
| TCS: Terne Coated Stainless Steel | ||
| TD: Trench Drain | ||
| TEL: Telephone | ||
| TEL CL: Telephone Closet | ||
| TEMP: Temporary, Tempered, Temperature | ||
| TEN: Tenant | ||
| TER: Terrazzo | ||
| TERR: Terrazzo | ||
| TERM: Terminal | ||
| TGL: Toggle | ||
| TH: Thermostat | ||
| THK: Thick, Thickness | ||
| THKNS: Thickness | ||
| THR: Threshold | ||
| THRESH: Threshold | ||
| THRM: Thermal | ||
| THRMST: Thermostat | ||
| THRU: Through | ||
| TKBD: Tackboard | ||
| TL: Twist Lock (receptacle) | ||
| TLT: Toilet | ||
| TOL: Tolerance | ||
| TP: Top of Pavement | ||
| TPD: Toilet paper Dispenser | ||
| TPH: Toilet Paper Holder | ||
| TPTN: Toilet Partition | ||
| TR: Tread, Transom | ||
| TRANS: Transformer, Translucent | ||
| TRAV: Travertine | ||
| TRD: Tread | ||
| TS: Time Switch | ||
| TSL: Top of Slab | ||
| TST: Top of Steel | ||
| TSTAT: Thermostat | ||
| TT: Terrazzo Tile, Traffic Topping | ||
| TTC: Telephone Terminal Closet | ||
| TV: Television | ||
| TW: Top of Wall, Thin Wall (conduit), Tempered Water | ||
| TYP: Typical | ||
| TZ: Terrazzo | ||
| UC: Undercut | ||
| UH: Unit Heater | ||
| UL: Underwriters’ Laboratories | ||
| UNEX: Unexcavated | ||
| UNEXC: Unexcavated | ||
| UNF: Unfinished | ||
| UNFIN: Unfinished | ||
| UNO: Unless Noted Otherwise | ||
| UON: Unless Otherwise Noted | ||
| UP: Unpainted | ||
| UR: Urinal | ||
| USG: United States Gauge, United States Gypsum Company | ||
| USS: United States Standard | ||
| UT: Utility | ||
| V: Volt, Valve, Vinyl, Vent, Ventilator | ||
| VA: Volt Ampere | ||
| VAC: Vacuum | ||
| VACBR: Vacuum Breaker | ||
| VAR: Varnish, Varies | ||
| VAT: Vinyl Asbestos Tile | ||
| VB: Vapor Barrier, Valve Box, Vinyl Base, Vacuum Breaker | ||
| VBC: Vinyl Base (Coved) | ||
| VBS: Vinyl Base (Straight) | ||
| VC: Varnished Cambric | ||
| VCP: Vitrified Clay Pipe | ||
| VCT: Vinyl Composition Tile | ||
| VENT: Ventilate, Ventilator | ||
| VERT: Vertical | ||
| VEST: Vestibule | ||
| VF: Vinyl Fabric | ||
| VFGT: Vinyl Foam Glazing Tape | ||
| VIF: Verify In the Field | ||
| VIN: Vinyl | ||
| VIT: Vitreous | ||
| VLT: Vault | ||
| VNR: Veneer | ||
| VOL: Volume | ||
| VP: Vapor Proof, Vent Pipe | ||
| VR: Vapor Retarder, Vacuum Return, Vertical Riser | ||
| VRM: Vermiculite | ||
| VS: Vent Stack | ||
| VT: Vinyl Tile | ||
| VTR: Vent Through Roof | ||
| VWC: Vinyl Wall Covering | ||
| W: West, Width, Wide, Watt, Waste, Water, Water Main | ||
| W/: With | ||
| W/O: Without | ||
| W&M: Washburn & Moen Gauge | ||
| WAINS: Wainscot | ||
| WB: Wood Base | ||
| WC: Watercloset | ||
| WD: Wood | ||
| WDP: Wood, Painted | ||
| WDSS: Wood, Stained & Sealed | ||
| WDW: Window | ||
| WF: Wide Flange (structural steel) | ||
| WFS: Water Flow Switch | ||
| WG: Wired Glass | ||
| WGL: Wire-Glass | ||
| WH: Water Heater, Wall Hung, Wall Hydrant | ||
| WI: Wrought Iron | ||
| WIN: Window | ||
| WM: Wire Mesh, Water Meter | ||
| WP: Waterproof, Working Point, Working Pressure, Weatherproof | ||
| WPR: Waterproofing | ||
| WPT: Working Point | ||
| WR: Water Resistant, Water Repellant, Waste Receptacle | ||
| WRSTP: Weatherstripping | ||
| WS: Weatherstripping, Water Stop | ||
| WSCT: Wainscot | ||
| WT: Weight, Water Table, Watertight | ||
| WVNR: Wood Veneer | ||
| WW: Window Wall | ||
| WWF: Welded Wire Fabric | ||
| XH: Extra Heavy | ||
| X HVY: Extra Heavy | ||
| X STR: Extra Strong | ||
| YD: Yard | ||
| YR: Year | ||