Appendix A – Acronyms

ABS

acrylonitrile butadiene styrene

ACR

air-conditioning and refrigeration

AHJ

authority having jurisdiction

ANSI

American National Standards Institute

API

American Petroleum Institute

ASME

American Society of Mechanical Engineers

ASTM

American Society of Testing and Materials

AWS

American Welding Society

BIM

Building Information Management

CAD

computer-aided design

CFC

chlorofluorocarbon

CPVC

chlorinated polyvinyl chloride

CRN

Canadian Registration Number

CSA

Canadian Standards Association

CWB

Canadian Welding Bureau

DISS

diameter index safety system

DWV

drain, waste and vent

DX

direct exchange

FLRA

field level risk assessments

FRP

fibreglass reinforced plastic

GA

general arrangement

GFRP

glass fibreglass reinforced plastic

GMAW

gas metal arc welding

GRE

glass reinforced epoxy

GSHP

ground source heat pump

GTAW

gas tungsten arc welding

HCFC

hydrofluorocarbon

HDPE

high density polyethylene

HRV

heat recovery ventilators

HVACR

heating, ventilation and air conditioning and refrigeration

ICI

industrial, commercial and institutional

JSA

job safety analysis

LEED

Leadership in Energy and Environmental Design

LDPE

low density polyethylene

LWCO

low water cut-offs

MAPP

methylacetylene-propadiene propane

MDPE

medium density polyethylene

MIG

metal inert gas

MSDS

Material Safety Data Sheet

MSS

Manufacturers Standardization Society

NDE

non-destructive examination

OH&S

Occupational Health and Safety

P&ID

process and instrumentation drawings

PE-PP

polyethylene-polypropylene

PEX

cross linked polyethylene

PPE

personal protective equipment

PVC

polyvinyl chloride

QA/QC

quality assurance and quality control

RFI

Request for Information

SMAW

shielded metal arc welding

SPA

safety plan of action

SWL

safe working load

TIG

tungsten inert gas

WHMIS

Workplace Hazardous Materials Information System

WPS

welding procedures specifications