Zkratky

determinedenchiladaUrban and Civil

Nov 25, 2013 (3 years and 4 months ago)

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Tisk:
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determinedenc
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Zkratky


Zkratky jsou vybrány z projektové, zadávací a jiné stavební dokumentace různého druhu (časopisů,
příruček), a to z

britských, amerických a kanadských podkladů. Jsou to zkratky, které jsou
Anglosasovi v

kontextu obvykle jasné,

avšak našim inženýrům působí někdy obtíže.


Většina
zkratek byla získána vlastní excerpcí. Některé jsou převzaty z

jiných seznamů zkratek uváděných
v

severoamerické nebo britské literatuře. Poznamenejme, že zkratky nejsou


až na zkratky
označující velič
iny


nijak standardizovány; proto se vyskytuje týž význam v

různých zkratkových
variantách.

Zkratky jsou řazeny abecedně. Pokud se v

některých zkratkách vyskytuje jiný než alfabetický
symbol (', /, &,
@, #
), nepřihlíží se k

němu. Rozlišují se ale případy,

kdy se vyskytuje v

praxi psaní bez
symbolu a s

vloženým symbolem, např.
AC
,
A/C

Způsob psaní zkratek v

literatuře není jednotný. Pro jednoduchost jsou v

tomto seznamu
všechny zkratky psány velkými písmeny a bez teček, i když se někdy vyskytnou v

malých pí
smenech,
eventuálně s

tečkou. Malá písmena jsou zachována jen tam, jde
-
li o zkratku užívanou pro název
měrné jednotky, popř. ve výjimečných případech (např.
X
-
ing
,
STank
aj.).

Český význam zkratek není uveden, předpokládá se, že uživatel seznamu má k

dispo
zici
vhodný slovník.

Výklad značek je v

americkém pravopisu (tj. vapor, nikoliv vapour), pokud nejde o slovo, které
je v

názvu britské organizace. Označení (UK) znamená, že jde o britský úzus, popř. britské předpisy.
Označení (US) analogicky znamená předpi
sy platné v

USA, popř. severoamerický pravopisný úzus.

Speciální značky

@ at

# number; size

Alfabetické, popř. alfanumerické značky


A


A

aeration

A201

General Conditions of Contract for Construction (US)

AAA

American Arbitration Association

AACE

Association for the Advancement of Cost Engineering

AASHO

American Association of State Highway Officials

AASHTO

American Association of State Highway and
Transportation Officials

AB

anchor bolt
; absorption

ABC

aggregate base course

ABS

acrylonitrile
butadiene styrene

ABT

Association of Building Technicians (UK)

ABV

above

AC

alternating current; acoustical

A/C

air conditioning

ACCA

Association of Chartered Certified Accountants (UK)

ACB

asbestos
-
cement board

Abbreviations


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ACC

access

ACD

automatic closing
device

ACE

Association of Consulting Engineers (US)

ACEC

American Consulting Engineers Council

ACFL

access floor

ACI

American Concrete Institute

ACPA

American Concrete Pavement Association

ACPL

acoustical plaster

ACR

acrylic plastic

ACT

acoustical
tile

AD

access door; area drain
; adsorption

ADD

addendum

ADD'L

additional

ADH

adhesive

ADJ

adjacent

ADJT

adjustable

ADR

alternative dispute resolution

ADS

automatic door seal

ADT

average daily traffic

A&E, A/E, AE

architect and engineer,
architect or engineer

AFF

above finished floor

AG

above grade

AGA

American Galvanizers Association

AGC

Associated General Contractors (US)

AGF

above
-
ground facility; above
-
ground floor

AGG

aggregate

AGL

above ground level

AGVS

automated guided
vehicle system

AHU

air
-
handling unit

AIA

American Institute of Architects

AICE

Associate of the Institute of Civil Engineers (UK)

AIPM

Australian Institute of Project Management

AIR COND

air conditioning

AISC

American Institute of Steel Construction

AISI

American Iron and Steel Institute

AITC

American Institute of Timber Construction

AL

aluminum

ALARP

as low as reasonably practical/possible

ALLOW

allowance

Abbreviations


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ALP

airport layout plan

ALS

American Lumber Standards

ALT

alternate; alteration;
altitude

ALTN

alternate; alteration

AMD

air
-
moving device


AMT

amount

ANC

anchor

ANL

anneal

ANOD

anodized

ANSI

American National Standard Institute

AOD

above ordnance datum

AP

access panel

APA

American Plywood Association; American Planning
Association

APC

acoustical plaster ceiling

APM

architectural project management

APPD

approved

APPROX

approximate

APPX

appendix

APX

approximate

APT

as per today

AR

as rolled; acid resisting

ARBA

American Road Builders Association

ARCH

architect

Arch. & Eng.

architect and engineer

ARCHT'L

architectural

ARCUK

Architect's Registration Board of the United Kingdom

ARCW

arc welding

ARM

adjustable mortgage payment

ARS

asbestos roof shingles

ART

artificial

ARTBA

American Road

and Transportation Builders
Association

AS

automatic sprinkler

ASA

American Standards Association; American Society
of Appraisers

ASAP

as soon as possible

ASB

asbestos

ASC

above suspended ceiling

ASCE

American Society of Civil Engineers

Abbreviations


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ASHRE

American Society of Heating, Refrigeration, and Air
Conditioning Engineers

ASHVE

American Society of Heating and Ventilation
Engineers

ASME

American Society of Mechanical Engineers

ASPH

asphalt

ASR

alkali
-
silica reaction

ASREC

American Society of Real

Estate Counselors

ASTM

American Society for Testing Materials

AT

asphalt tile; acoustical tile

ATC

architectural terra
-
cotta; acoustical tile ceiling

ATTN

attention

ATV

all
-
terrain vehicle

AUTO

automatic

AVG

average

AWI

Architectural Woodwork
Institute (US)

AWS

all
-
wood screws; American Welding Society

AWT

advanced wastewater treatment

AZA

American Zinc Association

B


B

beam; bathroom; basement
; boiler water

BA

bright
-
annealed

BACMI

British Aggregate Construction Materials Industries

BALC

balcony

BANANA

build absolutely nothing anywhere near anybody

B&B

balled and burlapped

BBI

building cost index

BBD

bulletin board

BD

board

BEL

below

BET

between

BEV

beveled

BFP

backflow preventer

BG

Birmingham gauge

BH

borehole; Brinell

hardness

BHP

break horsepower

BI

bodily injury; business interruption
; biological

BIB

bib
-
cock

BIM

building information modeling
; building information
management

Abbreviations


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BIT

bituminous

BJT

bed joint

BL

building line

BLDG

building

BLK

block; black; bulk

BLKG

blocking

BLR

boiler

BLT

built

BM

bench mark; beam; board measure

BMD

bending moment diagram

BOCA

Building Officials and Code Administrators
International (US)

BOD

biochemical oxygen demand; blackout door

BOLT

build
-
operate
-
lease
-
transfer

BOO

build
-
own
-
operate

BOOT

build
-
own
-
operate
-
transfer

BOQ

bill of quantities

BOT

bottom; build
-
operate
-
transfer

BP

blue print; base plate; boiler pressure; back plaster

B&P

balled and platformed

BPL

bearing plate

BR

bedroom; boiler room

BR

bare root

BRC

brace

BRCG

bracing

BRE

Building Research Establishment

BRG

bearing

BRK

brick

BRKT

bracket

brl

barrel

BRZ

bronze

BRZG

brazing

BS

British Standard; both sides

B&S

bell and spigot; beams and stringers

BSC

balanced scorecard

BSCP

British
Standard Code of Practice

BSI

British Standards Institution

BSMT

basement

BSR

building space requirements

BSTD

bastard

Abbreviations


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BSW

Whitworth thread

BTB

bituminous treated base

BthU

British thermal unit

BTU

British thermal unit

BUR

built up roofing

BURSI

Better Understanding of Roofing Systems (US)

BVL

beveled

BVS

best value selection

BW

butt weld; both ways

BWG

Birmingham wire gauge

BWIC

builder's work in connection

BWK

brickwork

BX cable

armored cable

C


C

closet; clock; conductivity; course
;
chemistry

C&G

City and Guilds of London Institute

CA

coarse aggregate

ca.

circa

CAB

cabinet; cement
-
asbestos board

CABO

Council of American Building Officials

CAD

computer
-
aided design, c.
-
a. draughting; cadmium

CADD

computer
-
aided design and
draughting

CAE

computer
-
aided engineering

CAES

compressed
-
air energy storage

CAM

camber

CAP

computer
-
aided planning

CAR

Contractor's All Risk

CB

catch basin

CBR

California bearing ratio

cc

cubic centimeter

CC

copy to

CCI

construction cost index

CCIP

contractor controlled insurance program

CCS

color
-
coated steel

CCTV

closed
-
circuit television

cd

candela

CD

cable duct

CDRG

Construction Disputes Resolution Group

CEDR

Centre for Effective Dispute Resolution

Abbreviations


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CEI

Council of Engineering
Institutions (UK)

CEM

cement

CEM AB

cement
-
asbestos board

CEM FL

cement floor

CEM MORT

cement mortar

CEM PLAS

cement plaster

CEO

chief executive officer

CER

ceramic

CERT

certified

CESMM

Civil Engineering Standard Method of Measurement
(UK)

CF

cube foot; cooling fan

CFA

continuous
-
flight auger

CFL

counterflashing

CFM

cubic feet per minute

CFO

chief financial officer

CFR

composite fiber reinforcement

CFT

cubic foot

CG

corner guard; coarse grain; ceiling grille

CGL

commercial general
liability

CHAM

chamfer

CHBD

chalkboard

CHFD

chamfered

CHIM

chimney

CHT

ceiling height

CI

cast iron; curb inlet; coolant inlet

CIBSE

Chartered Institute of Building Service Engineers
(UK)

CIF

capital investment folio

CII

Construction Industry
Institute

CIP

cast
-
iron pipe

CIPC

cast
-
in
-
place concrete

CIR

circle; circuit

CIRC

circumference

CIOB

Chartered Institute of Building

CIRIA

Construction Industry Research and Information
Association

CISC

Canadian Institute of Steel Construction

CITB

Construction Industry Training Board (UK)

CJ


cooling jacket

Abbreviations


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CJT

control joint

CK

caulk

CL

center line; cross
-
linked

CLG

ceiling

CLKG

caulking

CLL

contract limit line

CLO

closet

CLR

clear

CLS

closure

CL W GL

clear wire glass

CM

centimeter

C/M

concrete masonry

CMP

corrugated metal pipe

CMT

ceramic mosaic tile

CMU

concrete masonry unit

CMV

continuous mechanical ventilation

CND

conduit

CNE

combined negative earth

CO

change order; cut
-
out; coolant
; cleaning opening;
coagulation

COD

cash on

delivery; collect on delivery

COL

column

COMB

combination

COMP

compaction; compression; component; composition

COMPF

composition flooring

COMPO

composition

COMPR

composition roofing

COMPT

compartment

CONC

concrete

CONC C

concrete ceiling

CONS

construction

CONST

construction

CONT

continuous

CONT'D

continued

CONTR

contract; contractor

CONT W

continuous window

COORD

coordinate

COP

coping

COR B

corner bead

CORGI

Confederation for Registration of Gas Installers

Abbreviations


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CORR

corrugated

cp

candlepower

CP

code of practice; cesspool

CPA

critical path analysis

CPF

contract price fluctuations

CPI

consumer price index

CPM

critical path method

CPR

copper

CPS

critical path scheduling

CPT

carpet

CQC

construction quality control

CR

cold
-
rolled; ceiling register; chromium

CRB

certified residential broker

CRG

cross grain

CRM

construction risk management

CRS

course; certified residential specialist; cold
-
rolled
steel; cationic rapid setting

CRSI

Concrete Reinforcing Steel Institute

(US)

CS

caulking seam; cast stone; countersink; Concrete
Society (UK)

C/S

counter
-
sunk

CSA

Canadian Standards Association

CSBE

community small business enterprises

CSF

condensed silica fume

CSG

casing

CSI

Construction Specification Institute (US)

CSK

countersink

CSMT

casement

CSP

corrugated steel pipe

CSPI

Corrugated Steel Pipe Institute (Canada)

CSSBI

Canadian Sheet Steel Building Institute

CST

cast stone

CT

ceramic tile

CTB

cement
-
treated base

CTD

coated

c. to c.

center to center

CTR

counter; center

Cts.

cents

CTSK

countersunk screw

cu

cubic

Abbreviations


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CW

cold water;
cooling water;
clockwise

CX

connection

cy

cubic yard

CYD

cubic yard

CYL L

cylinder lock

D


D

drain
; disti
l
lation

DA

day, days; doubleacting

DAD

double
-
acting door

DAE

dispute adjudication expert

DAS

defect action sheet

D/B

design
-
build

DBA

doing business as

DBE

Disadvantaged Business Enterprise (US)

DBIA

Design
-
Build Institute of America

DBO

design, build
, and operate

DBOM

design
-
build
-
operate
-
maintain

DC

direct

current
; direct cost

D&C

design and construction

DCF

discounted cash flow

DCQI

Design & Construction Quality Institute (US)

DDT

deduct

DEG

degree

DEM

demolish

DEP

depressed

DF

drinking fountain; degree of freedom
; disinfection

DFT

dry
-
film
thickness

DGA

dense
-
graded aggregate

DH

double hung

DHI

Door and Hardware Institute (US)

DHW

domestic hot water

DI

deionization

DIA

diameter

DIAG

diagonal; diagram

DIAM

diameter

DIM

dimension

DIS

disability

DIV

division

DL

dead load

Abbreviations


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DMT

demountable

DN

down

DO

ditto

DOE

Department of Energy (US)

DOT

Department of Transportation

DOZ

dozen

DP

dampproofing; dew point

DPR

damper; dispenser

DPC

dampproof course

DR

door; dining room; dressing room; drain

DRB

drainboard; dispute review
board

DRG

drawing

DRN

drain; drainage

DRWL

dry wall

DS

downspout; drop siding

D/S

downstreams; drop siding

DSGN

design

DSW

door switch

DT

drain tile; drum trap

DTA

dovetail anchor

DTL

detail

DTS

dovetail anchor slot

DU

disposal unit

DUP

duplicate

DW

dumbwaiter

DWG

drawing

DWR

drawer

DWV

drain, waste, and vent

E


E

earth; east
; water engineering
; equipment

Ea

each (ve sloupci jednotek

= "ks")

EA

exhaust air

EAF

environmental assessment form

EAR

Erection All Risk

E and OE

errors
and omissions expected

EB

elastomeric bearing; expansion bolt

ECC

earth continuity conductor

ED

electrodialysis

EER

energy
-
efficiency ratio

Abbreviations


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EEI

Electrical Engineers Institute (US)

EF

each face

EIC

engineer in charge

EIS

environmental impact
statement

EJ

expansion joint

EJCDC

?

EL

elevation; elastomeric laminated

ELCB

earth
-
leakage circuit
-
breaker

ELEC

electric

ELEV

elevator

EM

end
-
matched; expanded metal

EMER

emergency

EMT

electrical metallic tubing

ENC

enclose

ENG/GEN

energy
generator

ENR

Engineering News Record (US)

EOE

equal opportunity employer

EP

electrical panelboard; elastomeric plain

EPA

Environmental Protection Agency (US)

EPC

engineer, procure, and construct

(or: contract)

EPS

expanded polystyrene

EQ

equal;
equation

EQP

equipment

EQUIP

equipment

EQUIPT

equipment

ESC

escalator

EST

estimate; estimated

EVT

equiviscous temperature

EWC

electric water cooler

EXC, EXCA

excavate

EXCAV, EXCAVN

excavation

EXG

existing

EXH

exhaust

EXIST

existing

EXMP

expanded metal plate

EXP

exposed

EXP BT

expansion bolt

EXS

extra strong

EXT

exterior; extension

Abbreviations


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F


F

fan
; filtration

FA

fire alarm; fresh air

FAI

fresh
-
air intake

FAS

fasten

FB

face brick

FBD

fiberboard

FBO

furnished by others

FBRK

fire
brick

FCEC

Federation of Civil Engineering Contractors

FD

floor drain; forced draught

FDB

force
-
draught blower

FDC

fire
-
department connection

FDN

foundation

FE

fire extinguisher; fire escape

FEC

fire extinguisher cabinet

FEM

fixed
-
end moment;
finite element method

FF

factory finish

FFE

finished floor elevation
; furniture, fixtures and
equipment

FFL

finished floor level; finished floor line

FG

finished grade; finished ground; fine grain

FGL

finished ground level; fiberglass

FH

fire hose; f
lat head

FHA

Federal Housing Administration (US)

FHC

fire
-
hose cabinet

FHMS

flat head machine screw

FHY

fire hydrant

FI

field inlet

F&I

furnish and install

FIN

finish

FJT

flush joint

FL

floor; floor line; flashing

FLCO

floor cleanout

FLG

flashing; flooring; flange

fl. oz.

fluid ounce

FLR

floor

FLT

flight

Abbreviations


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FLUR

fluorescent

FLX

flexible

FM

flanged to mechanical; fixed
-
end moment

FMT

flush metal threshold

FN

fence

FND

foundation

FNDS

foundations

FOB

free on board

FOC

face of
concrete

FOF

face of finish

FOM

face of masonry

FOS

face of studs; factor of safety

FOUNDS

foundations

FP

fireproof; flameproof

FPA

Fire Protection Association (UK)

FPL

fireplace; floor plate

fpm

feet per minute

FPRF

fireproof

FR

family room;
frame

FRA

fresh air

FRC

fiber reinforced concrete; fire resistant coating

FRG

forged

FRIBA

Fellow of the Royal Institute of British Architects

FRS

fire research station

FRT

fire
-
retardant

FS
, F/S

full size
; filtration/separation

ft

foot; feet

FTG

footing; fitting

FV

front view

FUR

furred

FUT

future

FV

future value

FW

fire wall; flash welding; feed water

FWD

forward

FWK

formwork; falsework

G


G

girder

GA

gauge; general arrangement

GAC

granular activated carbon

Abbreviations


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GAI

general agreement of
indemnity

gal

gallon

GB

grab bar; glass block

GBGs

Good Building Guides

GC

general conditions; general contract; general
contractor; government contract; general construction

GCMU

glazed concrete masonry units

GD

grade

GEM

growing equity mortgage

GF

ground face

GI

galvanized iron

GKT

gasket

GL

glass; glazing; glazed finish

GLB

glass block

GLF

glass fiber

GLULAM

glue laminated

GM

grade marked

GMAW

gas metal arc welding

GO

general order

GP

general provisions; galvanized pipe

GPPL

gypsum
plaster

GPM

graduated payment mortgage

gpm

gallons per minute

GPS

Global Positioning System

GPT

gypsum tile

GR

grade

GRC

glass
-
reinforced concrete; glassfiber
-
reinforced
cement

GRG

glassfiber
-
reinforced gypsum

GRN

granite

GRP

glass reinforced plastic; glassfiber reinforced
polyester, fiberglass

GSA

General Services Administration (US)

GSS

galvanized steel sheet

GST

glazed structural tile

GT

grout; grease trap; glazed tile

GTAW

gas tungsten arc welding

GV

galvanized

GVL

gravel

GYP

gypsum

Abbreviations


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H


H

hydrology

HA

housing authority

HASP

health and safety plan

HB

hose bib; half bat

HBC

high
-
breaking capacity

HBD

hardboard

HC

hollow core

HD

heavy duty; high density; head

HDR

header

HDW

hardware

HE

heat exchanger

HES

high early
-
strength cement

HF

hot finished

HFRS

high float rapid setting

HGT

height

HH

handhold

HI

heat input

HJT

head joint

HK

hook

HM

hollow metal

HOR

horizontal

hp

horse power

HPHW

high
-
pressure hot
-
water

HPT

high point

hr

hour

HR

hot
rolled

HSC

high strength cement

HSE

house; Health and Safety Executive (UK)

HSR

high speed rail

HT

height; high tensile; heat treated

HTG

heating

HTS

high tensile strength

HUD

Department of Housing and Urban Development (US)

HVAC

heating,
ventilating, and air conditioning

HVY

heavy

HWD

hardwood

HWH

hot water heater

HWY

highway

Abbreviations


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HX

hexagonal

HYD

hydraulic

HYS

high yield steel

I


IABSE

International Association for Bridge and Structural
Engineering

IB

I
-
beam

IC

indirect cost

ICE

Institution of Civil Engineers (UK)

ICBO

International Conference of Building Officials

ICC

International Chamber of Commerce

ICI

International Commission on Illumination

ICIA

International Credit and Insurance Association

ICRI

International Concrete
Repair Institute

ID

inside diameter, internal diameter

IDP

integrated project delivery

IEE

Institution of Electrical Engineers (UK)

IEEE

Institute of Electrical and Electronic Engineers (US)

IF

inside face

III

Institute of the Ironworking Industry
(US)

ILK

interlock

IMPG

impregnate

in

inch

INC

including; incorporated

INCIN

incinerator

INCL

included

INR

impact noise rating

INS

insulation; insurance

INSC

insulating concrete

INSF

insulating fill

INSPEC

inspection

INT

interior; interior
adhesive; internal; intake

INTM

intermediate

INV, INVT

invert

IP

information paper

IPMA

International Project Management Association

IPS

iron pipe size; inside pipe size

IR

inside radius

IRR

internal revenue rate

Abbreviations


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I/S

inside

ISRM

International
Society For Rock Mechanics

ISSMFE

International Society for Soil Mechanics and
Foundation Engineering

ISSMGE

International Society for Soil Mechanics and
Geotechnical Engineering

IST

inside trim

IStructE

Institution of Structural Engineers (UK)

ITA

International Tunneling Association

IWEM

Institution of Water and Environmental Management

IX

ion exchange

J


J

joist

JB

junction box

JC

janitor's closet

JCT

junction

JCTN

junction

JF

joint filler

JT

joint

JUNC

junction

K


K

kitchen; key;
kilopound

KB

knee brace

KCPL

Keene's cement plaster

KIT

kitchen

KO

knockout

KP

kickplate

KS

kitchen sink

Kt

knot

KPL

kickplate

L


L

live; length; left
; labor

LA

lightning arrester

LAB

laboratory

LAD

liquidated and ascertained damages; ladder

LAM

laminated

LAN

local area network

LAT

lateral; latitude

LAV

lavatory

Abbreviations


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LB

lag bolt

LBE

Local Business Enterprise (US)

LBL

label

LC

light control

LCC

life cycle costs

LCL

light center length

LD

low density

LDG

landing

LECA

light
-
expanded clay
aggregate

LF

linear foot

LG

length; long

LGSEA

Light Gage Steel Engineers Association (US)

LH

left hand

LIC

license

lin. ft.

linear foot

LJT

longitudinal joint tie

LL

live load

LLF

light
-
loss factor

LM

lime mortar

LMR

lift machine room

LMS

lime

stone

LNG

lining

LO

lifting operations

LP

light proof; lime putty; low pressure

L&P

lath and plaster

LPC

Loss prevention Council (UK)

LPG

liquefied petroleum gas

LPHW

low pressure hot water

LPT

low point

LR

living room

LS, L/S


lump sum

LS

left

side; lead shield; licensed surveyor

LSC

lightweight structural concrete

LT

left; laundry trail; light

LTL

lintel

LVR

louver

LW

lightweight

LWC

lightweight concrete

LWIC

lightweight insulating concrete

Abbreviations


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M


M

motor; meter; bending moment; modular
ratio;
medium; media
; material

MAC

macadam

MAN

manual

MAS

masonry

MATL, MAT'L

material

MATLS

materials

MAX

maximum

MB

machine bolt

MBE

Minority Business Enterprise

mbf

thousand board feet (1000x12"x12"x1")

MBMA

Metal Building

Manufacturers Association (US)

MBR

member

MC

moisture content; medium
-
curing cutback; metal
-
clad;
medicine cabinet

MCA

Metal Construction Association (US)

MDF

medium
-
density fiberboard

M&E

mechanical and electrical

MECH

mechanical

MED

medium

MEP

mechanical, electrical, plumbing

MER

mechanical equipment room

MET

metal

MF

melamine
-
formaldehyde

MFD

metal floor deck

MFR

manufacturer

MFRGS

manufacturer's general specification

MGR

manager

MH, M/H

manhole
; manhour

MHS

manhours

MI

malleable iron

MICC

mineral
-
insulated copper
-
covered

MIL

military specification

MIR

mirror

MISC

miscellaneous; miscellanies

MIX

mixture

MK

market; mark; master key

ML

material list

MLD

molding

Abbreviations


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MLDG

molding

MLW

mean low water

MM

millimeter

MMB

membrane

MN

main

MO

masonry opening

Mo.

month

MOAT

Methods of Assessment and Testing

MOD

modular; model

MODER

moderate

MOV

movable

MR

mop receptor; multi
-
rotational

MRB

marble

MRD

metal roof deck

MRT

mean radiant temperature

MS

mild steel

MSDS

material
safety data sheet

MSL

mean sea level

MT

mounted

MTFR

metal furring

MTHR

metal threshold

MTL

material

muf

melamine
-
urea formaldehyde

MULL

mullion

MURK

manual for uniform record keeping

M/WBE

minority or women businesses enterprises

MWK

millwork

N


N

north; neutral

NA

neutral axis

NAAMM

National Association of Architectural Metal
Manufacturers (US)

NAHB

National Association of Home Builders of the United
States

NASBP

National Association of Surety Bond Producers (US)

NAT

natural

NBR

nitril
-
butadiene rubber

NBS

National Bureau of Standards (US); National Building
Specification

NC

noise criteria

Abbreviations


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NCCA

National Coil Coaters Association (US)

NCCER

National Center for Construction Education and
Research

NCM

non
-
corrosive metal

NCSPA

Nationa
l Corrugated Steel Pipe Association (US)

NDT

non
-
destructive testing

NE

not exceeding

NEG

negative

NEM

National Electrical Manufacturers Association

NEC

National Electrical Code (US)

NF

nanofiltration

NFPA

National Fire Protection Association (US)

NHBC

National House
-
Building Council (UK)

NI

nickel

NIC

not in contract

NIOSH

National Institute of Occupational Safety and Health
(US)

NL

nailable

NM cable

nonmetallic sheathed cable

NMC cable

nonmetallic corrosion
-
resistant cable

NMT

nonmetallic

NOM

nominal

NPL

nipple

NPS

nominal pipe size

NPV

net present value

NR

noise rating; noise reduction

NRC

noise reduction coefficient

NRCA

National Roofing Contractors' Association (US)

NT

net

NTS

not true scale, not to scale

NVQ

National Vocational

Qualifications

NTWT

net weight

NW

no
-
weathering exposure

O


O

other

OA

overall

O/A

on approval

OAI

outside
-
air intake

OBS

obscure; obsolete

OC

on center

Abbreviations


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OCIP

owner controlled insurance program

OD

outside diameter

ODB

operate
-
design
-
build

OFF

office

OG

on grade; ogee

OGL

Original Ground Level

O/H

overhead

OHMS

oval head machine screw

OHWS

oval head wood screw

OJ

open
-
web joist

OP

opaque

OPC

ordinary Portland cement

OPG

opening

OPH

opposite hand

OPP

opposite

OPS

opposite surface

ORIG

original

OQ

ordinary quality

OS

Ordnance Survey (UK)

OSB

oriented strand board

OSHA

Occupational Health and Safety Administration

OT

overtime

OVH

overhead

OVHD

overhead

OW

observation well

P


P

pull chain; P
-
trap; pressure; pole; purity

PA

public address; polyamide

PABX

private automatic branch exchange

PAR

parallel; planed all round

PAV'T

pavement

PB

panic bar

PBAC

polystyrene bead aggregate concrete

PBD

particle board

PBS

prefabricated bituminous surfacing; planed both sides

PBX

private branch exchange

PC

precast; prime cost; polycarbonate; prestressed
concrete;

Portland cement

PCA

Portland Cement Association (US)

Abbreviations


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PCC

Portland cement concrete; precast concrete

PCF

pounds per cubic foot

PCI

Precast/Prestressed Concrete Institu
te (US)

PCRW

prestressed concrete reactor vessel

PD

paid

PE

polyethylene; plain end; porcelain enamel;
Professional Engineer; permanent easement

PED

pedestal

PERF

perforated

PERI

perimeter

PERT

Project Evaluation and Review Technique

PF

phenol
formaldehyde

PFA

pulverized fuel ash

PFB

prefabricated

PFD

preferred

PFF

price fluctuation factor

PFL

pounds per lineal foot

PFN

prefinished

PG

plate glass

PI

plasticity index

PIARC

Permanent International Association of Road
Congresses

PIV

post
-
indicator value

PK

parking

PL

pile; plate; plug; power line; pipeline; public liability;
pedestal lavatory; property line

PLA

project labor agreement

PLAM

plastic laminate

PLAS

plaster

PLG

piling

PLLC

professional limited liability company

PLMB

plumbing

PLYWD

plywood

PM

project manager

PMMA

polymethyl methacrylate

PNEU

pneumatic

PNL

panel

PNT

painted; paint

PO

purchase order

POT

hollow block

Abbreviations


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PP

polypropylene; pumps and plumbing

PP
-
AC

airconditioning power panel

PPGL

polished plate

glass

PQC

pavement quality concrete

PR

pair

PRCST

precast

PREFAB

prefabricated

PRF

preformed

PROF

profit

PROJ

project

PS

provisional sum; polystyrene

P&S

plans and specifications

PSA

Property Service Agency (UK); Portland Cement
Association (US)

PSC

prestressed concrete

PSE

plane and square edged

PSF

pound per square foot

PSI

pound per square inch

PT

point; part

PTC

post
-
tensioned concrete

PTD

paper towel dispenser

PTFE

polytetrafluorethylene (Teflon)

PTN

partition

PTR

paper towel
receptor

PU

polyurethane

PUD

planned unit development

PV

paving; present value

PVA

polyvinyl acetate

PVAC

polyvinyl acetate

PVB

polyvinyl butyral

PVC

polyvinyl chloride; pigment volume concentration

PVF

polyvinyl fluoride

PVMNT

pavement

PWD

plywood

PWK

pipework

Q


QA

quality assurance

QBS

quality based selection

QC

quality control

Abbreviations


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QM

quality management

QR

quarter round

QS

quantity surveyor

QT

quarry tile

QTY

quantity

R


R

radius; right; riser; range outlet

RAB

return air; rabbet
(rebate)

RAD

radiator; radius

RAP

reclaimed asphalt pavement

RB

rubber base; Rockwell hardness

RBL

rubble stone

RBM

reinforced brick masonry

RBT

rabbet (rebate); rubber tile

RC

reinforced concrete; rapid
-
curing cutback

R/C

reinforced concrete

RCCP

reinforced concrete culvert pipe; roller
-
compacted
concrete

RCP

reinforced concrete pipe; rust
-
converting primer

RD

roof drain; road

RE

resident engineer; round
-
edged; reinforced

REC

receivable

REC'D

received

RECP

receptacle

REF

reference;
refrigerator

REFR

refractory; refrigerator

REG

register; regular

REINF

reinforcing

REM

remove; removable

REP

repair

REPL

replace

REQ'D

required

RES

resilient

RES

resident

RET

return

RET'D

returned

REV

revision; revised

REX

round
-
edged

RF

roof; reinforcement; resorcinol
-
formaldehyde

Abbreviations


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RFG

roofing

RFI

request for information; request for installation; ready
for inspection

RFL

reflected

RFH

roof hatch

RFM

reinforcement

RFP

request for proposal

RFQ

request for qualification

RFTR

rafter

RH

relative humidity; right hand; Rockwell hardness

RHC

rapid
-
hardening concrete

RHTR

reheater

RIBA

Royal Institute of British Architects

RICS

Royal Institute of Chartered Surveyors

RIEI

Roofing Industry Education Institute (US)

RL

railing

RM

room

RO

rough opening; reverse osmosis

ROW

right of way

RPC

reactive powder concrete

rpm

revolutions per minute

RQD

rock quality designation

RQP

request for proposal

RR

railroad; rural route

RS

rapid setting

RSJ

rolled steel joist

RT

right; raintight

RTC

Regional Transportation Commission (US)

RVS

reverse

RVT

rivet

RW

raw water; rain water

R/W

right of way; random width

RWC

rainwater conductor

RWLB

Rule We Live By

RWP

rainwater pipe

S


S

south; switch; S
-
trap; suction; side; seamless; water
softening

SAA

Surety Association of America

SAF

safety

Abbreviations


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SAN

sanitary

sb

stilb

SC

solid core; suspended ceiling

SCH

schedule

SCP

soil control procedure

SCT

structural clay tile

SD

storm drain

SDI

Steel Deck Institute (US); Steel Door Institute (US)

SDMH

storm drain manhole

SE

sawn
-
edged

SEAA

Steel Erectors Association of America

SEC

section

SECED

Society for Earthquake and Civil Engineering
Mechanics (UK)

SEQR

State Environmental Quality Review Act (US, NY)

SF

square foot

SF

shear force

SFA

sintered pulverized
-
fuel ash

SFD

shear force diagram

SFGL

safety glass

SFU

supply fixture unit

SG

sheet glass

SGD

sliding glass door

SH

shelf; sheet; shower; single
-
hung

SHO

shoring

SHT

sheet

SHTH

sheathing

SI

shrinkage ratio

SIM

similar

SIO

Surety Information Office (US)

SJI

Steel Joist Institute (US)

SK

sketch

SKL

skylight

SL

sleeve; snow load; shrinkage limit

SMH

sanitary manhole

SMM

Standard Method of Measurement

SNT

sealant

SO

supplied only

SON

sodium
-
vapor lamp

SOQ

statement of

qualification

Abbreviations


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SOV

shut
-
off valve

SP

soundproof; soil pipe; standpipe; static pressure

SPC

spacer; stage payment chart

SPEC

specification

SPFA

Steel Plate Fabricators Association (US)

SPK

speaker

SPL

special

SPT

standard penetration test

SQ

square; selected quality

square

100 sqft (in roofing trades)

SR

stress relieved; shrinkage ratio; steel rocker

SRA

stress
-
relief annealed

SRC

sulfate resistant cement

SRI

Steel Recycling Institute (US)

SS

steel sliding; stair stringer

S/S

stainless
steel

SSK

service sink

SSPC

Steel Structures Painting Council (US)

SSQ

special selected quality

SST

stainless steel

ST

steel; street

STA

station

STank

Steel Tank Institute (US)

STC

sound transmission class

STD

standard

STG

seating; storage

STK

stock

STL

steel

STO

storage

STPG

stepping

STR

storage; structure

STRUC

structure

STube

Steel Tube Institute of North America

STW

storm water

SUB

substitute

SUBS

substantial

SUP

supply

SUR

surface

SURV

surveying

Abbreviations


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SUS

suspended

SW

switch

S/W

spot
-
welded

SWG

standard wire gage

SWP

weatherproof switch

SY

square yard

SYM

symmetrical

SYN

synthetic

SYS

system

T


T

tee; tread; thermostat

TB

towel bar; through bolt

TBA

to be agreed

TBM

tunnel boring machine

TC

terra cotta; cold tar;
tin
-
clad

TE

temporary easement; totally enclosed

TEL

telephone

T&G

tongue and groove

TGVJ

tongued, grooved, and V
-
jointed

TH

hot tar

THERMO

thermostat

THK

thickness; thick

THR

threshold

THRU

through

TKBD

tackboard

TKS

tackstrip

TMD

timed

TO

temporary occupancy

TOL

tolerance

TP

threadless pipe

TPD

toilet paper dispenser

TPTN

toilet partition

TPL

third party liability

TR

transom; tie rod

TRADA

Timber Research and Development Association

TRRL

Transport and Road Research Laboratory

TSL

top of slab

TST

top of steel

TUB

tubing

Abbreviations


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TV

television

TYP

typical

TW

top of wall

TYP

typical

TZ

terrazzo

U


UB

universal beam

UBC

Uniform Building Code (US)

UC

undercut; universal column

UCATT

Union

of Construction, Allied Trades and Technicians
(UK)

UCC

Uniform Commercial Law (US)

UCL

Uniform Commercial Law

UE

unedged

UF


UF

underground feeder; ultrafiltration; urea formaldehyde

UL

Underwriters Laboratories (US)

U/M, UM

unit of measure

UNF

unfinished

UP

unsaturated polyester

UPS

uninterruptible power supply

UR

urinal

U/S

upstream; underside

USG

United States gage

UV

ultraviolet

V


VAP

vapor

VAT

varnish; vinyl
-
asbestos tile

VAT

value added tax; vinyl asbestos tile

VAV

variable air
volume

VB

vapor barrier; vinyl base

VCP

vitrified clay pipe

VDU

visual display unit

VENT

ventilate

VERT

vertical

VF

vinyl fabric

VG

vertical grain

VI

variation instruction

VIN

vinyl

Abbreviations


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VIT

vitreous

VJ

v
-
joint

VNR

veneer

VOC

volatile organic
compound

VOL

volume

VP

vent pipe

vpm

vibrations per minute

VPT

vinyl plastic pipe

VRM

vermiculite

VS

vapor seal; vent stack

VT

vinyl tile

W


W

west; width; wide

w/...

with ...

WA

water analysis

WB

wood base; welded base

WBE

Women Business
Enterprise

WBF

weather and boilproof

WC

water closet

W/C

water
-
cement ratio

WD

wood; wind direction; well drilling

WG

water gauge; wired glass

WF

wide flange; wind force

WG

wire gage

WH

water heater; wall hung

WHB

wheel bumper

WHSE

warehouse

WI

water inlet; wrought iron; Welding Institute

WIN

window

wk

week

WK

work

WKG

working

WL

wind load; warning light

WM

wire mesh

WO

without

WP

waterproofing; working place; weatherproof outlet

WPB

weatherproof adhesive

WPC

white Portland cement

WPT

working point

Abbreviations


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WR

water repellent; wash room

WRI

Wire Reinforcement Institute (US)

WRT

wrought

WS

water stop; water supply

WSCT

wainscot

WSP

water supply point

WT

weight; watertight; water tank; water tower

WTW

wall
-
to
-
wall

WV

water valve; wind
velocity

W/V

weight
-
to
-
volume ratio

WVT

water vapor transmission

WW

waste water

WWF

welded wire fabric

X


X

extension; crossing (US)

XHVY

extra
-
heavy

X
-
ing

crossing (US)

XL

extra
-
large

XLPE

cross
-
linked polyethylene

XPM

expanded
-
metal mesh

XSECT

cross section

XSTR

extra
-
strong

Y


yd

yard

YP

yield point

YS

yield strength

YTD

year
-
to
-
date

Z


ZED

Z
-
section