Audel Questions and Answers for Plumbers' Examinations
Chapter One
Basic Plumbing Installation
Principles
The majority of state plumbing codes and licensing examinations are
designed to establish environmental sanitation and safety through
properly designed supervision that will ensure properly installed
and maintained plumbing systems. Details of plumbing construction
vary, but the basic sanitary and safety principles are the same.
The desired and required results (to protect the health of people)
are similar regardless of locality. These basic principles require that
all plumbing in public and private buildings intended for human
occupation or use be installed so as to protect the health, welfare,
and safety of the occupants and the public.
These basic principles include the following:
Buildings intended for human occupancy or use will be provided
with a supply of pure and wholesome water with connections
not subjected to the hazards of backflow or back
siphonage and not connected to unsafe water supplies. If there
is a public water main available, an individual connection to
the public water main shall be made.
Buildings with plumbing fixtures and d ... read full excerpt from AudelTM Questions and Answers for Plumbers' Examinations, All New 4th Edition ebook