Appendix A - Acronyms

ABS
acrylonitrile butadiene styrene
AHJ
Authority Having Jurisdiction
ASME
American Society of Mechanical Engineers
ASSE
American Society of Sanitary Engineering
AWWA
American Water Works Association
CFDA
Canadian Food and Drugs Act
CPVC
chlorinated polyvinyl chloride
CSA
Canadian Standards Association
DISS
Diameter Index Safety System
DWV
drainage, waste and vent
GHS
Globally Harmonized System of Classification and Labelling of Chemicals
GMAW
Gas Metal Arc Welding
GPS
global positioning system
GTAW
Gas Tungsten Arc Welding
HDPE
high-density polyethylene
ICI
industrial/commercial/institutional
ID
inside diameter
JHA
job hazard analysis
LEED
Leadership in Energy and Environmental Design
LOTO
lock-out and tag-out
LPG
liquefied petroleum gas
MAPP
methylacetylene-propadiene propane
NBC
National Building Code
NFPA
National Fire Protection Association
NPC
National Plumbing Code
OD
outside diameter
PE
polyethylene
PEX
cross-linked polyethylene
PEX-AL-PEX
PEX-Aluminum-PEX
PPE
personal protective equipment
PRV
pressure reducing valve
PVC
polyvinyl chloride
RFI
request for information
RPBP
reduced pressure backflow preventer
SDS
Safety Data Sheets
SMAW
Shielded Metal Arc Welding
TDG
Transportation of Dangerous Goods
TDH
total dynamic head
TDS
total dissolved solids
TSP
trap seal primer
UV
ultraviolet
VFD
variable frequency drive
WC
water column
WHMIS
Workplace Hazardous Materials Information System
WLL
working load limit