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Toronto

Transit Commission

CONTRACTA29 1

1 ABBREVIATIONS AND SYMBOLS

Section 1 42 3

ABBREVIATIONS ND SYMBOLS

Page

1 1

The following are typical abbreviations and symbols frequently used in

the

Contrac

Documents.

A

Amperes

C Alternating Current

ACU

Air Conditioning Unit

AFF above finished floor

ARB aluminum rectangular box

AWG American Wire Gauge

BACS Building Automation and Control System

o

degrees Celsius

cc cubic centimetre

cfm

cubic feet per minute

cfs

cubic feet per second

Cl

cast iron

em

centimetre

co

Carbon Monoxide

lw

complete with

cuft cubic feet

cuyd

cubic yards

dB

decibels

db

dry bulb

DC

Direct Current

deg.

degree

dft dry film thickness

dia

diameter

dwg

drawing

DOC

Direct Digital Controller

EMT Electrical Metallic Tubing

Of

degrees Fahrenheit

fig

figure

FMS

Facility Management System

fpm

feet per minute

FRE fibreglass reinforced epoxy

ft feet

F/A

fresh air

g

gram

ga

gauge

gal.

Gallon

GS

galvanized steel

g/m

 

grams per square metre

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Section

1 42 3

ABBREVIATIONS AND SYMBOLS

Page2

h

hour

ha

hectare

hp

horsepower

HPS

High Pressure Sodium

hvac

heating, ventilating and air conditioning

Hz hertz

i.d.

inside diameter

lgph

gallons per hour Imperial)

lgpd

gallons per day Imperial)

in

inch

J

Joule

kg

Kilogram

kg/K

Kilogram per degree Kelvin

kg/m

2

Kilogram per square metre

km

Kilometre

kPa

Kilo pascal

Ksi

Kips per square inch

kW

Kilowatt

kWh

Kilowatt hour

L

Litre

lb

pound

lb/ft

2

pounds per square foot

litres per square metre

Us

litres per second

Lin ft

linear foot

linm

linear metre

L.S.

lump sum

lx

lux

m

metre

m2

square metre

m3

cubic metre

rnA

milliampere

MAU

Make-up Air Unit

max

maximum

MBF

Thousand Board Feet

MCC

Motor Control Centre

MH Maintenance Hole

min

minimum

m

millilitre

m/L

metres per litre

mm

millimetre

MPa

Mega Pascal

m/s

metre per second

Toronto Transit Commission

CONTRACT A29-1

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Toronto Transit

Commission

CONTRACT A29-1

N e ~ o n

Nm e ~ o n metre

NO Nitric Oxide

NPS Nominal Pipe Standard

0 A Outside air

OBC Ontario Building Code

o.c. on centre

o.d. outside diameter

o/h overhead

o.s. and outside screw and yoke

OWSJ Open Web Steel Joist

oz

Pa

P.C.

ph

p

PLC

ppm

psig

pvc

rev

rpm

RTU

S/A

sc

scfm

SP

spec.

sq ft

sqm

ss

t

U

USgpm

v

voc

vtft

w

wb

we

we

ounce

Pascal

Personal Computer

phase

Hydrogen lon Concentration

Programmable Logic Controller

parts per million

pound per square inch gauge

polyvinyl chloride

revision or reverse

revolution per minute

Remote Terminal Unit

Supply air

Structural precast concrete products

standard cubic feet per minute

Specialty precast concrete products

specification

square foot

square metre

stainless steel

tonne

Unit Heater

gallons per minute United States measure)

volt

volatile organic compound

vertical foot

watt

wet bulb

Water Closet

water column

Section 01 42 3

ABBREVIATIONS

AND SYMBOLS

Page3

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Section 1 42 13

ABBREVIATIONS AND SYMBOLS

Page

Yd

YUDC

Yard

York University Development Corporation

END OF SECTION

Toronto Transit

Commission

CONTRACT A29 1