The following words, terms and phrases, when used in this division,
shall have the meanings ascribed to them in this section, except where
the context clearly indicates a different meaning:
1.1 ANSI - American National Standards Institute.
1.2 APPROVED - Means accepted by the District as meeting
an applicable specification stated or cited in this regulation, or
as suitable for the proposed use.
1.3 ASTM - Means American Society for Testing Materials.
1.4 AUXILIARY WATER SUPPLY - Means any water supply on
or available to the premises other than the purveyor's approved
public potable water supply.
1.5 AWWA - Means the American Water Works Association.
1.6 BACKFLOW DRAINAGE - Means a reversal of flow in the
drainage system.
1.7 BACKFLOW - Means the flow of water or other fluids,
mixtures or substances into the distributing pipes of a potable water
supply system from any source other than intended approved source
of supply.
1.8 BACKFLOW PREVENTER -
Means a device or means designed to prevent backflow or back-siphonage.
1. AIR GAP - Means a physical separation sufficient to prevent backflow
between the free-flowing discharge end of the potable water system
and any other system. The term is physically defined as a vertical
distance equal to twice the diameter of the supply side pipe diameter,
but no less than one inch.
2. ATMOSPHERIC VACUUM BREAKER - Means a device which prevents back-siphonage
by creating an atmospheric vent when there is either a negative pressure
or subatmospheric pressure in a water system.
3. BAROMETRIC LOOP - Means a fabricated piping arrangement rising at
least 35 feet at its topmost point above the highest fixture it supplies.
It is utilized in water supply systems to protect against back-siphonage.
4. DOUBLE CHECK VALVE ASSEMBLY - Means an assembly of two independently
operating loaded check valves with tightly closing shut-off valves
on each side of the check valves, plus properly located test cocks
for the testing of each check valve.
5. DOUBLE CHECK VALVE WITH INTERMEDIATE ATMOSPHERIC VENT - Means a device
having two independently operating loaded check valves separated by
an atmospheric vent chamber.
6. HOSE BIBB VACUUM BREAKER - Means a device which is connected to a
hose bibb and which acts as an atmospheric vacuum breaker; not to
be used under constant pressure.
7. PRESSURE VACUUM BREAKER - Means a device containing one or two independently
operated loaded check valves and an independently operated spring-loaded
air inlet valve located on the discharge side of the check valve(s).
The device includes tightly closing shut-off valves on each side of
the check valve(s) and properly located test cocks for the testing
of the check valve(s).
8. REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTER - Means an assembly
consisting of two independently operating loaded check valves with
an automatically operating differential relief valve located between
the two check valves, tightly closing shut-off valves on each side
of the check valves plus properly located test cocks for the testing
of the check valves and the relief valve.
9. RESIDENTIAL DUAL CHECK - Means an assembly of two loaded independently
operating check valves without tightly closing shut-off valves and
test cocks. Generally employed immediately downstream of the water
meter to act as a containment device.
1.9 BACKPRESSURE - Means a condition in which the owner's
system pressure is greater than the supplier's system pressure.
1.10 BACK-SIPHONAGE - Means the flow of water or other
fluids, mixtures or substances into the distribution pipes of a potable
water supply system from any source other than its intended source
caused by the sudden reduction of pressure in the potable water supply
system.
1.11 DISTRICT - Is the trade name of the New Shoreham
Water District.
1.12 BOARD - Means New Shoreham Board of Water Commissioners.
1.13 CROSS-CONNECTION - Means any actual or potential
connection between the public water supply and a source of contamination
or pollution.
1.14 CROSS-CONNECTION PERMIT - Means a document issued
by the water supplier, which allows the use of a backflow preventer.
1.15 CONTAINMENT - Means a method of backflow prevention
which requires a backflow prevention device at the water service entrance
directly after the meter outlet valve and always before the first
tap to any appliance, appurtenance, device, pump, pressure vessel,
apparatus or outlet intended to serve or handle water.
1.16 CONTAMINANT - Means a substance that shall impair
the quality of the water to a degree that it creates a serious health
hazard to the public leading to poisoning or the spread of disease.
1.17 CURB STOP - Means a valve and access box configuration
installed at the property line in conjunction with the extension of
a service line to a property or facility.
1.18 CUSTOMER - Means any person, firm, corporation,
government, or governmental division supplied by the District. "Commercial
customer" means any customer who is taxed as commercial by the town.
1.19 DIG SAFE - Means Dig Safe System, Inc., a not-for-profit
corporation, promotes public safety, protects vital utility services
and safeguards against property and environmental damage. It is a
communication network assisting excavators, contractors and property
owners in complying with state law by notifying the appropriate utilities
before digging so that utilities can respond to the work area to identify
the location of underground facilities. (888)-DIG-SAFE.
1.20 DISTRICT - Means the New Shoreham Water District.
1.21 EXCAVATION - Means an operation for the purpose
of movement or removal of earth, rock, or other materials in or on
the ground, or otherwise disturbing the subsurface of the earth, by
the use of powered or mechanized equipment, including but not limited
to digging, blasting, auguring, backfilling, test boring, drilling,
pile driving, grading, plowing in, hammering, pulling in, trenching,
and tunneling; excluding the movement of earth by tools manipulated
only by human or animal power and the tilling of soil for agricultural
purposes.
1.22 FIRE SYSTEM - Means a separate system of water pipes
or mains and their appurtenances installed solely to furnish water
for extinguishing fire.
1.23 FIXTURE ISOLATION - Means a method of backflow prevention
in which a backflow preventer is located to correct a cross-connection
at an in-plant location rather than at a water service entrance.
1.24 FIRE SERVICE CONNECTION - Means a pipe extending
from a main to supply a sprinkler, standpipe yard hydrant or other
fire protection systems.
1.25 GPD - Means gallons per day.
1.26 H.D.P.E. -Means high density polyethylene service
pipe material used in the water industry.
1.27 MAIN OR MAIN PIPE - Means the distribution pipe
from which service connections are made to supply water to customers.
1.28 OSHA - Is the abbreviation for the Occupational
Safety and Health Administration, U.S. Department of Labor. OSHA develops
and enforces federal safety and health regulations for businesses
and industries.
1.29 OWNER - Means any person who has legal title to,
or license to operate or habitat in, a property upon which a cross-connection
inspection is to be made or upon which a cross-connection is present.
1.30 POLLUTANT - Means a foreign substance that, if permitted
to get into the public water system, shall degrade its quality so
as to constitute a moderate hazard, or impair the usefulness or quality
of the water to a degree which does not create an actual hazard to
the public health, but which does adversely and unreasonably affect
such water for domestic use.
1.31 PUBLIC WATER SYSTEM
- Means the water system operated by the District, which provides
the public water for human consumption through pipes or other constructed
conveyances. Such system has at least 15 service connections or regularly
serves at least 25 individuals daily at least 60 days out of the year.
Such term includes:
a. Any collection, treatment, storage and distribution facilities under
control of the operator of such system and is used primarily in connection
with such system; and
b. Any collection or pretreatment storage facilities not under such
control which are used primarily in connection with such system.
1.32 PREMISES, AS USED IN
THIS DIVISION - Shall be restricted to the following:
a. A building under one roof owned or leased by one customer and occupied
as one residence or one place of business.
b. A combination of buildings owned by one customer in one common enclosure,
or occupied by one family, or one corporation or firm, as a residence
or place of business.
c. Each unit of a multiple house or building separated by a solid vertical
partition wall, occupied by one family or one firm, as a residence
or place of business.
d. A building owned by one customer having a number of apartments, offices,
or lofts which are rented to tenants, and using in common one hall
and one or more means of entrance.
1.33 SERVICE PIPE OR SERVICE CONNECTION - Means the pipe
running from the main pipe to the premises of the customer.
1.34 SEASONAL USE - Means any intermittent use, season
after season, at the same premises.
1.35 STANDBY CUSTOMER - Means any premises where a connection
is made from the District's curb stop onto private property as
a secondary water supply, where a primary water supply exists for
the use of that premises.
1.36 WATER SERVICE ENTRANCE - Means that point in the
owner's water system beyond the sanitary control of the water
supplier; generally considered to be the outlet end of the water meter
and always before any unprotected branch.
1.37 WATER SUPERINTENDENT - Means the official, or delegated
representative in charge of the District who is vested with the authority
and responsibility for the implementation of an effective cross-connection
control program and for the enforcement of the provisions of this
division.